Separate And Simultaneous Control Patents (Class 303/9.61)
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Patent number: 11897440Abstract: A controllable actuator unit (1) having an electronic connecting device (AN). The actuator device (1) is connectable to a drive axle of an electrically operated vehicle (2), such that a braking or locking effect for a rotary movement of the drive axle can be produced. The actuator device (1) is controllable by a control device (SE) via the electronic connecting device (AN).Type: GrantFiled: June 26, 2019Date of Patent: February 13, 2024Assignee: Robert Bosch GmbHInventors: Thomas Friedrich, Heinz-Bernd Haiser
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Patent number: 11617982Abstract: An arrangement for a utility vehicle includes at least one air dryer unit and a regulating unit, wherein the air dryer unit and the regulating unit are designed in each case as separate units. The air dryer unit has at least one air dryer module, in particular an air dryer cartridge, at least one discharge valve and at least one control line for the pneumatic control of the discharge valve. At least one connecting line is provided in the air dryer unit with connection to the air dryer module. The connecting line leads directly to a consumer non-return valve for the air dryer unit, which is arranged outside of the air dryer unit, wherein the connecting line can be used at least partially bi-directionally and/or can be or is connected to a bi-directionally usable line section.Type: GrantFiled: December 4, 2018Date of Patent: April 4, 2023Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbHInventors: Karsten Schnittger, Christian Kuhlen, Fabian Griesser, Andreas Leinung
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Patent number: 11440520Abstract: The invention relates to an electropneumatic brake system (1) for a commercial vehicle. The brake system (1) comprises brake control modules (8) by which it is possible to generate a brake pressure for service brake cylinders (6) which can be associated with single vehicle wheels or vehicle wheels of a vehicle axle. According to the invention there is a redundant compressed air supply of the brake control modules (8) by connecting the brake control modules (8) both to a compressed air reservoir (41, 42) as well as to a backup compressed air reservoir (43).Type: GrantFiled: August 6, 2020Date of Patent: September 13, 2022Assignee: Haldex Brake Products AktiebolagInventor: Siegfried Heer
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Patent number: 11299136Abstract: A redundancy module for a pneumatic braking system of a vehicle, in particular a commercial vehicle, with spring brakes on at least one axle, includes: a parking brake pressure port for receiving a parking brake pressure; a spring brake port for providing a spring brake pressure; a redundancy pressure port for receiving a redundancy pressure; and a piston assembly, with a reverse piston having a parking brake pressure control surface, a spring brake control surface, and a redundancy pressure control surface. The parking brake pressure acting on the parking brake pressure control surface causes a control of the spring brake pressure in a same direction. The redundancy pressure acting on the redundancy pressure control surface causes an inverse control of the spring brake pressure.Type: GrantFiled: October 1, 2019Date of Patent: April 12, 2022Assignee: ZF CV SYSTEMS EUROPE BVInventor: Julian Van Thiel
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Patent number: 11052892Abstract: An electronically controllable pneumatic brake system. The brake system includes at least two brake circuits, wherein a first of the at least two brake circuits is allocated an electrically and pneumatically controllable control valve and a second of the at least two brake circuits is allocated an electrically controllable parking brake valve in order to predetermine braking pressures so as to actuate wheel brakes of the respective brake circuit. The brake system further includes a first control unit configured to electrically actuate the electrically and pneumatically controllable control valve in dependence upon a vehicle desired deceleration and a second control unit configured to electrically control the parking brake valve in dependence upon the vehicle desired deceleration that is requested in an automated manner. In addition, the brake system includes at least one bypass valve to which a control valve is allocated.Type: GrantFiled: March 13, 2017Date of Patent: July 6, 2021Assignee: ZF CV SYSTEMS EUROPE BVInventors: Thomas Dieckmann, Robert Otremba, Oliver Wulf
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Patent number: 9457778Abstract: A braking device for agricultural machines includes a body which supports in a sliding way at least two thrust elements operatively connectable to relative valves for the braking of a right wheel and a left wheel of a vehicle and associable with respective braking pedals operable by an operator, the thrust elements being mobile along a sliding direction between an idle configuration and a maximum braking configuration. The device includes at least a connection element having at least two connection areas, each being associated in a rotating way with a relative thrust element to connect them reciprocally and to allow the independent operation of the braking pedals, and abutment elements suitable for contacting the connection element during the translation of both the thrust elements to limit their forward movement towards the maximum braking configuration, the connection element and the abutment elements being reciprocally mobile along the sliding direction.Type: GrantFiled: September 22, 2014Date of Patent: October 4, 2016Assignee: STUDIO TECNICO 6 M S.R.L.Inventors: Eronne Mamei, Enrico Mamei, Andrea Mamei
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Patent number: 9434437Abstract: A cover for a hydraulic master cylinder. The cover includes an interface configured to sealingly engage with a master cylinder body to jointly define a hydraulic fluid reservoir. An electronic display unit is positioned at least partially within the cover and viewable from outside the cover.Type: GrantFiled: July 13, 2010Date of Patent: September 6, 2016Assignee: Harley-Davidson Motor Company Group, LLCInventors: Matthew J. Van Dyke, Benjamin P. Davis, Jeffary R. Sonnentag
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Patent number: 9296399Abstract: A method controls a compressed-air braking device of a rail vehicle in the case of automatic, quick, or emergency braking, said compressed-air braking device having a controlled electropneumatic braking device having brake pressure control, an uncontrolled brake pressure control device for producing an uncontrolled brake pressure, and at least one pneumatic brake actuator. In response to a signal to trigger automatic, quick, or emergency braking, the controlled electropneumatic braking device and the uncontrolled brake pressure control device are activated simultaneously and a first value for the brake pressure produced by the controlled electropneumatic braking device or a first value for a pilot control pressure representing the brake pressure and a second value for the brake pressure produced by the uncontrolled brake pressure control device or a second value for a pilot control pressure representing the brake pressure are compared with each other.Type: GrantFiled: May 24, 2013Date of Patent: March 29, 2016Assignee: KNORR-BREMSE SYSTEME FUR SCHIENENFAHRZEUGE GMBHInventors: Stefan Aurich, Torsten Grunwald, Alexander Seidenschwang
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Patent number: 9216720Abstract: A system, apparatus and method provide emergency differential braking for effecting braked steering of an aircraft. A brake input device is provided that not only allows for emergency and parking brake functions, but also enables differential braking. The brake input device (e.g., a parking and/or emergency brake lever, pedal, handle, etc.) can be used in a brake system including a brake system control unit (BSCU), one or more electro-mechanical actuator controllers (EMACs) and a brake assembly including one or more electrical actuators. Each EMAC is electrically coupled to one or more of the actuators so as to provide electrical power for driving the actuators. Each EMAC is also communicatively coupled to the BSCU so as to receive braking data therefrom. In an emergency, the input device sends braking signals directly to the brake actuators.Type: GrantFiled: April 30, 2009Date of Patent: December 22, 2015Assignee: Goodrich CorporationInventor: Eric D. Cahill
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Patent number: 9132817Abstract: A hydraulic brake system includes: a hydraulic pressure source provided for a vehicle, and including a hydraulic-pressure generating device and a reservoir; a plurality of hydraulic brakes provided for respective wheels of the vehicle, and configured to restrain rotations of the respective wheels; and a control valve device including at least one hydraulic-pressure control valve group disposed between the hydraulic-pressure generating device and at least one of brake cylinders of the hydraulic brakes and/or between the reservoir and the at least one of the brake cylinders. Each of the at least one hydraulic-pressure control valve group includes (a) at least one ON/OFF control valve and (b) at least one linear control valve that are disposed in parallel with each other.Type: GrantFiled: September 22, 2014Date of Patent: September 15, 2015Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masayasu Ohkubo, Yoshito Tanaka, Hiroshi Nakaoka, Takayuki Yamamoto, Tetsuya Miyazaki
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Publication number: 20150123459Abstract: A brake fluid pressure control unit for a vehicle comprises: a hydraulic block that includes a housing containing an internal channel for a first system and an internal channel for a second system, which individually allow communication with a wheel cylinder for a first wheel and a wheel cylinder for a second wheel respectively, and also containing a detected hydraulic pressure inlet hole leading to a pressure receiving part of a pressure sensor. A first hole included in the internal channel for the first system and a second hole included in the internal channel for the second system can selectively be connected to the detected hydraulic pressure inlet hole by machining such that the depth of either the first hole or the second hole is made greater than the other.Type: ApplicationFiled: April 26, 2013Publication date: May 7, 2015Applicant: ADVICS CO., LTD.Inventor: Tsuyoshi Otake
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Publication number: 20150084400Abstract: A braking device for agricultural machines includes a body which supports in a sliding way at least two thrust elements operatively connectable to relative valves for the braking of a right wheel and a left wheel of a vehicle and associable with respective braking pedals operable by an operator, the thrust elements being mobile along a sliding direction between an idle configuration and a maximum braking configuration. The device includes at least a connection element having at least two connection areas, each being associated in a rotating way with a relative thrust element to connect them reciprocally and to allow the independent operation of the braking pedals, and abutment elements suitable for contacting the connection element during the translation of both the thrust elements to limit their forward movement towards the maximum braking configuration, the connection element and the abutment elements being reciprocally mobile along the sliding direction.Type: ApplicationFiled: September 22, 2014Publication date: March 26, 2015Applicant: STUDIO TECNICO 6 M S.r.l.Inventors: Eronne MAMEI, Enrico MAMEI, Andrea MAMEI
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Patent number: 8979216Abstract: A vehicle power braking system has separate left and right brakes (11, 12) operable from a source of pressurized fluid (13) via relay valve means (16) controlled by separate left and right brake operating pedals (14, 15) to provide steering assistance during a turn. The relay valve means delivers a brake operating pressure proportional to the depression of the associated brake operating pedal to separate left and right shift valves (17, 18), each shift valve being connected with its respective operating pedal (14, 15) by a respective pilot line (19, 20) so that when each pedal is operated the associated shift valve is opened by the respective pilot line pressure to supply the proportional pressure from the relay valve means to the respective brake (11, 12).Type: GrantFiled: November 29, 2010Date of Patent: March 17, 2015Assignee: AGCO GmbHInventors: Martin Brenninger, Klaus Brugger, Hans-Peter Zeiler
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Patent number: 8918261Abstract: Various embodiments provide braking systems and methods for a motor vehicle. One braking system includes a primary braking system, a speed sensor, a brake pedal, a parking brake, and a processor coupled to the parking brake and the primary braking system. The processor is configured to engage the primary braking system when the parking brake is activated and the motor vehicle is traveling at a speed at least equal to a pre-determined speed.Type: GrantFiled: October 5, 2009Date of Patent: December 23, 2014Assignee: GM Global Technology Operations LLCInventors: Adam Busack, Eric E. Krueger
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Patent number: 8899695Abstract: In a brake-by-wire vehicle brake system that uses a solenoid shut-off valve (24a, 24b), the electric power supplied to the solenoid (33) of the solenoid shut-off valve is controlled so as to decelerate a movement of a plunger (31, 32) of the valve as the plunger reaches a point immediately adjacent to a terminal point thereof. Thereby, a highly responsive property can be achieved while the noises that are generated by the plunger striking a stopper (36) or a valve seat (34) can be minimized. When actuating the plunger in the valve closing direction, the solenoid may receive electric power at a first level, a second level lower than the first level and a third level intermediate between the first and second levels in that order.Type: GrantFiled: December 9, 2011Date of Patent: December 2, 2014Assignee: Honda Motor Co., Ltd.Inventors: Kentarou Tanaka, Kunimichi Hatano, Arata Inoue, Hidetoshi Kobori
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Patent number: 8888197Abstract: A brake system including: (a) a manual hydraulic pressure source; (b) a power hydraulic pressure source; (c) a high pressure generator for generating high pressure, by utilizing pressure of the power hydraulic pressure source; (d) a common passage to which first and second brake cylinders and the high pressure generator are connected; (e) a high-pressure-generator cut-off valve disposed between the common passage and the high pressure generator; (f) a first manual-pressure-source passage connecting a first individual passage and the manual hydraulic pressure source; (g) a first manual-pressure-source cut-off valve provided in the first manual-pressure-source passage; (h) a first valve provided between the second brake cylinder and a connected portion of the first individual passage which is connected to the first manual-pressure-source passage; and (i) a pressure-supply control device for controlling supply of pressure to the brake cylinders, by controlling the high-pressure-generator cut-off valve, first valType: GrantFiled: February 2, 2010Date of Patent: November 18, 2014Assignee: Toyota Jidosha Kabushiki KaishaInventors: Tetsuya Miyazaki, Takayuki Yamamoto
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Patent number: 8820855Abstract: A braking system for farm tractors and similar vehicles, has a differential braking system and a hydraulic system for the braking assistance forming a system unit (H) which includes two circuit branches (H1,H2), each circuit branch operating the braking with respect to one side of the vehicle. To the system unit are applied, through connection interfaces (36,37), two control units (C1,C2), each control unit including an electrovalve (20) and a distributor (24) operated by the electrovalve, each distributor controlling the operation of the system unit (H) with respect to one of the circuit branches, and each electrovalve being singularly controlled by an electronic control circuit (EL) provided with sensors of the main vehicle parameters, such as a sensor (V) of the vehicle speed, sensors (R) of the speed of singular wheels, sensors (P) of the positions of the braking pedals and a sensor (A) of the position of the accelerator pedal.Type: GrantFiled: July 12, 2010Date of Patent: September 2, 2014Assignee: VHIT S.p.A. UnipersonaleInventor: Leonardo Cadaddu
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Patent number: 8814279Abstract: A vehicle brake system includes: brakes provided for respective right-side wheel, left-side wheel, front wheel and rear wheel of a vehicle, and configured to restrain rotations of the respective wheels by activations of brake actuators of the brakes; and at least two energy sources independent from each other and configured to supply energy to the brake actuators. A first brake line includes (a) a first energy source as one of the at least two energy sources and (b) one of the brake actuators provided for the front wheel and activatable by the energy supplied from the first energy source. A second brake line includes (c) a second energy source as one of the at least two energy sources and (d) three of the brake actuators provided for the respective right-side, left-side and rear wheels and activatable by the energy supplied from the second energy source.Type: GrantFiled: October 14, 2009Date of Patent: August 26, 2014Assignee: Toyota Jidosha Kabushiki KaishaInventors: Yoshihide Sekiya, Yutaka Ohnuma, Siro Monzaki
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Patent number: 8727365Abstract: A tractor braking system (10) having independent brake circuits (L,R) for each of a left and a right wheel is provided. Each circuit is activated by a respective brake pedal (16,17). The system comprises a releasable locking mechanism (25) to lock the two pedals together and sensors (50) to detect depression of the respective pedals (16,17). In response to a detection of only one pedal being depressed, warning means are provided to indicate to a driver that the pedals are in an unlocked state. A sensing of simultaneous depression of the pedals may be used to indicate that the pedals are in a locked state.Type: GrantFiled: December 10, 2009Date of Patent: May 20, 2014Assignee: AGCO GmbHInventor: Johann Epple
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Patent number: 8708430Abstract: A pneumatic vehicle brake system includes first and second groups of wheel brakes belonging, respectively, to first and second brake circuits having first and second compressed air storage tanks for providing first and second stored pressures. At least one first circuit brake cylinder is a combined spring-store/diaphragm cylinder with a spring store part for providing a parking brake and a diaphragm part for providing a service brake. If the first circuit fails, the spring store part is deaerated to engage the parking brake. A pressure sensor for measuring the first stored pressure is connected to a control unit that controls a modulator for aerating and deaerating the spring store part. The control unit generates a signal for an electrically actuatable modulator solenoid valve if the value measured by the sensor falls below a minimum value, such that the spring store part can be aerated and deaerated via the valve.Type: GrantFiled: July 5, 2007Date of Patent: April 29, 2014Assignee: WABCO GmbHInventors: Uwe Bensch, Jörg Helmer, Bernd-Joachim Kiel, Hartmut Rosendahl
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Patent number: 8708427Abstract: A hydraulic pressure brake unit includes a power hydraulic pressure source able to generate, by a supply of power, a high hydraulic independent of a brake operation by a driver; a field system which connects the power hydraulic pressure source with both first and second wheel cylinders, regulates the hydraulic pressure of operating fluid from the power hydraulic pressure source, and applies a common hydraulic pressure to both the first and second wheel cylinders; a separator valve provided so as to be able to cut off the supply of operating fluid to the second wheel cylinder via the first system; and a second system which connects the second wheel cylinder with the power hydraulic pressure source such that operating fluid can be supplied front the power hydraulic pressure source to the second wheel cylinder regardless of weather the separator valve is open or closed.Type: GrantFiled: December 29, 2006Date of Patent: April 29, 2014Assignee: Toyota Jidosha Kabushiki KaishaInventor: Eiji Nakamura
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Patent number: 8696070Abstract: A hydraulic braking valve having an inlet orifice intended to be connected to a pressure supply, an outlet orifice intended to be connected to a braking unit, a leak orifice intended to be connected to a tank, a power distributor adapted so as to connect the inlet orifice to the outlet orifice in a braking configuration, and a leak orifice to the outlet orifice in a rest configuration. The power distributor is driven by two independently driven calibrators.Type: GrantFiled: December 15, 2011Date of Patent: April 15, 2014Assignee: Poclain Hydraulics IndustrieInventors: Dominique Costaz, Fabien Roger
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Patent number: 8651588Abstract: An electro-pneumatic brake control device is provided for controlling the parking brake of a vehicle having compressed-air-actuated brake cylinders, at least one of which is a spring brake cylinder with a spring store part. Valve devices place the brake control device into various operating states. In a first operating state, the valve devices are at least partially supplied with current and switched such that a compressed air line to the spring store part of the spring brake cylinder is aerated. In a second state, the valve devices are at least partially supplied with current and switched such that the compressed air line is deaerated. In a third state, which can be activated in the event of failure of the electrical energy supply of the brake control device, the valve devices are switched to a currentless state such that the compressed air line is automatically deaerated in throttled manner.Type: GrantFiled: October 20, 2006Date of Patent: February 18, 2014Assignee: WABCO GmbHInventors: Uwe Bensch, Henning Förster, Bernd-Joachim Kiel, Wilfried Menze, Hartmut Rosendahl, Otmar Struwe
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Publication number: 20130187353Abstract: A brake system for a mobile machine is disclosed. The brake system may have a first brake associated with a first traction device of the mobile machine, and a second brake associated with a second traction device of the mobile machine. The brake system may also have an operator input device movable through a range from a neutral position to a maximum displaced position to generate a signal indicative of a desire to brake the mobile machine, and a controller in communication with the operator input device. The controller may be configured to activate only the first brake based on the signal when the operator input device has been displaced to a position less than a threshold position within the range, and to activate both the first and second brakes based on the signal when the operator input device has been displaced to a position greater than the threshold position.Type: ApplicationFiled: January 23, 2012Publication date: July 25, 2013Inventors: Erwin Mock, John J. Kaufman, Dylan C. Hayden, Scott D. Vollmer
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Publication number: 20130175852Abstract: A device for controlling braking in vehicles with two braking pedals (PS, PD), such as farm tractors, earthmovers and the like, comprises a body (30) in which there are formed: a pair of master cylinders (12S, 12D) with an associated brake booster (13S, 13D); a duct (18) for balancing braking of the rear wheels; seats (4, 5, 6) for a pair of balancing valves (14), a trailer brake valve (15) and a valve (16) for disabling braking of the front wheels; as well as passages (36, 46, 47, 62, 72) for transmitting a control pressure from the master cylinders to the valves and from the valves to outlets from the device (1) connected to the braking systems of the wheels of the vehicle and of a trailer, if any.Type: ApplicationFiled: September 14, 2011Publication date: July 11, 2013Applicant: VHIT S.P.A.Inventor: Leonardo Cadeddu
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Publication number: 20130127239Abstract: A vehicle power braking system has separate left and right brakes (11, 12) operable from a source of pressurised fluid (13) via relay valve means (16) controlled by separate left and right brake operating pedals (14, 15) to provide steering assistance during a turn.Type: ApplicationFiled: November 29, 2010Publication date: May 23, 2013Applicant: AGCO GmbHInventors: Martin Brenninger, Klaus Brugger, Hans-Peter Zeiler
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Patent number: 8352142Abstract: A brake control apparatus includes: a master cylinder; a wheel cylinder; a hydraulic pressure source; a control valve arranged to increase or reduce the pressure of the wheel cylinder; an outside gate valve arranged to connect or disconnect between the master cylinder and the wheel cylinder; a brake operation sensing section configured to sense a driver's brake operation; and a control unit configured to control the hydraulic pressure source, the control valve, and the outside gate valve, to perform an automatic-brake pressure-increasing control to control the outside gate valve in a valve closing direction, to drive the hydraulic pressure source, and thereby to increase the pressure of the wheel cylinder in accordance with a vehicle condition, and to increase a driving quantity of the hydraulic pressure source when the brake operation is sensed during the automatic-brake pressure-increasing control.Type: GrantFiled: June 18, 2009Date of Patent: January 8, 2013Assignee: Hitachi, Ltd.Inventor: Shinichiro Nishida
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Patent number: 8322799Abstract: A brake system, in particular a dual circuit brake system, for a motor vehicle, includes brakes which can be activated by a brake pedal operatively connected to a brake servo. Each brake engages one wheel. The brake system is designed such that a brake servo is assigned to each brake of at least one brake circuit, and the brake servos can be activated by the brake pedal.Type: GrantFiled: October 22, 2009Date of Patent: December 4, 2012Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbHInventors: Robert Trimpe, Johann Baumgartner, Robert Gruber, Aleksandar Pericevic, Stephan Pitzing, Steffen Geissler
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Patent number: 8292051Abstract: A valve intended to disconnect, in specific circumstances, the braking of the front wheels, and/or of a trailer whose braking system is connected through a trailer braking valve, for the braking system of a farm tractor or similar vehicle which includes two master cylinders, operated by two separate braking pedals, directly controlling the braking of the rear wheels, and controlling the braking of the front wheels and/or the braking device of the trailer through the disconnection valve. The disconnection valve includes a body, first and second inlet connections connected to the two master cylinders, and a delivery connection connected to a braking circuit of the front wheels and/or to the trailer brake valve. The valve body has a bore wherein is installed one movable piston subjected to the action of pressure applied to the first inlet connection.Type: GrantFiled: May 10, 2007Date of Patent: October 23, 2012Assignee: VHIT S.p.A.Inventors: Leonardo Cadeddu, Luigi Alberti
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Patent number: 8177306Abstract: A braking system for a vehicle having two pairs of wheels, has two master cylinders operating as pumps, wherein each master cylinder is operated by its own brake pedal and controls the braking on one rear wheel, as well as on the front wheels through a valve for the disconnection of the front vehicle braking. Each master cylinder is of the tandem type including two sections, the first section controlling the braking of the front wheels through the valve, whereas the second section controls the braking of that rear wheel, being a part of the pair of rear wheels, which is associated with the master cylinder. The first sections of both master cylinders are supplied by a first oil reservoir and the second sections of both master cylinders are supplied by a second oil reservoir at least partially independent from the first oil reservoir.Type: GrantFiled: March 20, 2006Date of Patent: May 15, 2012Assignee: VHIT S.p.A.Inventors: Leonardo Cadeddu, Luigi Alberti
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Publication number: 20120111678Abstract: The invention concerns a master cylinder assembly (10, 110) for balancing the braking of a couple of wheels (LBW, RBW) of a vehicle. Each master cylinder (12) has a hollow body (14), a piston (15) and a chamber (16) suitable for containing a fluid having a primary control pressure depending on a driving force applied on the piston (15) and intended to be transmitted to a utilising device (LBB, RBB). The assembly further includes a balancing duct (58) into which the chambers (16) come out, and a plurality of normally closed balancing valves (60).Type: ApplicationFiled: July 13, 2010Publication date: May 10, 2012Applicant: VHIT S.P.A.Inventors: Luigi Alberti, Leonardo Cadeddu
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Patent number: 8167381Abstract: A brake fluid pressure control device for a bar handle vehicle has a front wheel brake system which imparts a braking force to a front wheel and a rear wheel brake system which imparts a braking force to a rear wheel. At least one of the brake systems has a master cylinder which generates brake fluid pressure in accordance with an operation amount of a brake operation element, first and second wheel cylinders both of which impart the brake force on one of the front and rear wheels, a first hydraulic path which communicates the master cylinder with the first wheel cylinder, a second hydraulic path which is branched from the first hydraulic path and connected to the second wheel cylinder and a boosting unit which boosts the brake fluid pressure in the second wheel cylinder without boosting the brake fluid pressure in the first wheel cylinder.Type: GrantFiled: February 9, 2009Date of Patent: May 1, 2012Assignee: Nissin Kogyo Co., Ltd.Inventors: Motoyasu Nakamura, Takayuki Hamanaka
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Patent number: 8147006Abstract: An anti-skid brake control system for a multi-wheeled vehicle includes both a paired function and an individual function. The paired function controls the wheels of the vehicle in unison. The individual function controls the wheels of the vehicle individually. A paired/individual logic circuit alternatively activates and deactivates the paired function and the individual function. A method for controlling the skid of a vehicle utilizing a paired function and a individual function is also provided.Type: GrantFiled: July 7, 2010Date of Patent: April 3, 2012Assignee: Hydro-Aire, Inc., a Subsidiary of Crane Co.Inventors: Harris K. Butler, III, Scott A. Brittian
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Publication number: 20120062023Abstract: A brake fluid pressure electrically generated by a slave cylinder (23) in accordance with an operation amount by a brake pedal (12) is supplied via a VSA system (24) to wheel cylinders (16, 17; 20, 21) provided respectively for wheels. This enables smooth braking by the wheel cylinders (16, 17; 20, 21) by using a brake fluid pressure pressurized by the slave cylinder (23) and including little pulsation. When the VSA system (24) is to individually control the brake fluid pressures supplied respectively to the wheel cylinders (16, 17; 20, 21) to control vehicle behavior, the slave cylinder (23) generates a brake fluid pressure corresponding to a total of the brake fluid pressures required for the wheel cylinders (16, 17; 20, 21). This configuration allows the slave cylinder (23) to generate a brake fluid pressure in just proportion.Type: ApplicationFiled: April 14, 2010Publication date: March 15, 2012Applicant: HONDA MOTOR CO., LTD.Inventors: Naoto Ohkubo, Takashi Nishioka
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Publication number: 20120062022Abstract: This invention discloses a hydraulic braking system (1) for a vehicle comprising: two pressure supply means (2, 3), two rear braking means (4, 5) and one front braking means (6), said hydraulic system (1) being characterised in that it comprises a rear inlet distributor (12), a front inlet distributor (13), a first brake distributor (10) and a second brake distributor (11), defining a standby configuration, three braking configurations pressurising: a first rear brake, a second rear brake, the two rear brakes and the front brake respectively, pressure for the front axle braking means (6) being applied through the front inlet distributor (13), the first brake distributor (10) and the second brake distributor (11).Type: ApplicationFiled: September 13, 2011Publication date: March 15, 2012Inventors: Jean A. Heren, Romain Gostomski, Dominique P. Costaz, Fablen A. Roger
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Publication number: 20110291471Abstract: A tractor braking system (10) having independent brake circuits (L,R) for each of a left and a right wheel is provided. Each circuit is activated by a respective brake pedal (16,17). The system comprises a releasable locking mechanism (25) to lock the two pedals together and sensors (50) to detect depression of the respective pedals (16,17). In response to a detection of only one pedal being depressed, warning means are provided to indicate to a driver that the pedals are in an unlocked state. A sensing of simultaneous depression of the pedals may be used to indicate that the pedals are in a locked state.Type: ApplicationFiled: December 10, 2009Publication date: December 1, 2011Applicant: AGCO GMBHInventor: Johann Epple
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Patent number: 8042882Abstract: A braking system for a combined tractor-trailer assembly wherein a leading trailer is coupled to a towing tractor and a trailing trailer is coupled to the leading trailer. All of the wheels of the trailers are provided with brakes which may be applied and released in response to the operation of a brake control pedal operated by a driver in the tractor. The brakes also may be applied to the trailing trailer whenever the latter is parked. The brakes of the trailing trailer normally are maintained in applied condition by a spring assisted mechanism when such trailer is parked. Such mechanism normally is disabled by pressurized fluid when the trailer is in service and the pressured fluid is accessible via a valve which simultaneously enables the parking brakes and service brakes simultaneously to be coupled to and uncoupled from the pressure fluid system.Type: GrantFiled: October 5, 2007Date of Patent: October 25, 2011Inventor: Duane R. Lalone
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Patent number: 7971941Abstract: In a dual-circuit hydraulic motorcycle brake system with two hand or foot-operated master cylinders, at the commencement of the pump operation in one of the brake circuits, the change-over valve (20) and/or the separating valve (19) of that brake circuit assume a switching position in which the pressure which can be generated by the pump (9) is prevented from causing a reactive effect on the associated hand-operated or foot-operated master brake cylinder (7, 13). To this end, the separating valve (19) in the brake line may be switched to a closed or throttling position, while the change-over valve (20) in the suction path is closed. Alternatively, both the change-over valve (20) and the separating valve (19) can be opened at the same time so that the pump conveys brake fluid in a circle.Type: GrantFiled: December 12, 2006Date of Patent: July 5, 2011Assignee: Continental Teves AG & Co. oHGInventors: Alfred Eckert, Oliver Hoffman
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Publication number: 20110133544Abstract: A coupling device (10) is used in a brake system of a motor vehicle with handlebar steering and having a hand-operated valve, a foot-operated valve, a front-wheel brake device and a rear-wheel brake device. The coupling device has a housing, a port (30) for the hand-operated valve, a brake cylinder section (15) for the front wheel brake, a brake piston (22) which is arranged in the brake cylinder section (15), and a port (20) for the front-wheel brake. The coupling device (10) has a port (40) for the foot-operated valve and a coupling piston (42) which is arranged between the brake cylinder section (15) and the port (40) for the foot-operated valve. The effective area, which acts for a hydraulic transmission of force, of the coupling piston (42) is smaller on the side facing toward the brake cylinder section (15) than on the side facing toward the port (40) for the foot-operated valve. The coupling piston (42) is arranged in a differential cylinder.Type: ApplicationFiled: January 25, 2011Publication date: June 9, 2011Inventor: Michael Ruopp
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Patent number: 7942482Abstract: What is disclosed is a brake system for a mobile machine, e.g., for a wheel loader, comprising two hydraulic circuits to each of which at least one respective wheel brake cylinder is associated. Control of the wheel brake cylinders is effected through a brake valve arrangement which, in accordance with the invention, is formed by two brake valves each realized with a hydraulic pilot control, wherein the braking pressure at the one brake valve is reported via a control line into a pilot control chamber of the other brake valve.Type: GrantFiled: February 27, 2004Date of Patent: May 17, 2011Assignee: Bosch Rexroth AGInventor: Hubertus Mies
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Publication number: 20110089752Abstract: An electronically controlled brake apparatus (10) for tractors. The apparatus (10) having:—devices (11, 12, 13a, 13b, 15, C1, C2) for producing and distributing compressed fluid;—a device (14) for braking and steer-by-braking (SBF) the tractor; and—compressed-fluid modulating devices (18, 19, 24, 25) for activating tractor brakes (21, 23, 27, 29). The modulating devices (18, 19, 24, 25) are connected electrically to a brake-control electronic central control unit (CNT). And the apparatus (10) also has a device (DS) for supplying high-pressure fluid to the rear modulating devices (24, 25) and selecting the maximum pressure of the fluid supply to the rear modulating devices (24, 25), depending on the function to be performed.Type: ApplicationFiled: February 11, 2009Publication date: April 21, 2011Applicant: CNH ITALIA SPAInventors: Salvatore Frediani, Enrico Sedoni, Francesco Canuto
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Patent number: 7909414Abstract: A hydraulic circuit includes a spring applied-pressure released brake, a hydraulic motor, and a control in fluid communication with the brake and the motor. The control is operative between a first position and a second position. When in the first position the brake receives pressure from a first brake pressure source. When in the second position the brake receives pressure from a second pressure source and the motor is short circuited in relation to a motor pressure source. The control can be automatically reset upon pressurization of the hydraulic circuit.Type: GrantFiled: March 10, 2006Date of Patent: March 22, 2011Assignee: White Drive Products, Inc.Inventor: Richard Daigre
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Publication number: 20110062774Abstract: The invention relates to a pneumatically operated brake system (30) for a vehicle. Said brake system (30) has a first compressed air line (4), in which compressed air having a controllable service brake pressure can be provided. Membrane parts (6) of brake cylinders (8) can be ventilated by means of said service brake pressure for a service brake function of said vehicle. Said brake system (30) further has a parking brake device (76) comprising a second compressed air line (12). Compressed air can be provided-in said second compressed air line (12) by means of said parking brake device (76) at a parking brake pressure that can be activated in an electro-pneumatic manner. Spring brake parts (22) of the brake cylinders (8) can be ventilated by compressed air having said service brake pressure in order to provide a parking brake function of said vehicle.Type: ApplicationFiled: December 19, 2008Publication date: March 17, 2011Inventors: Uwe Bensch, Bernd- Joachim Kiel, Wilfried Menze, Hartmut Rosendahl
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Patent number: 7866761Abstract: A braking system for vehicles, including at least one first brake circuit, and at least one second brake circuit, in which the at least one first brake circuit and the at least one second brake circuit each have an electrical control circuit, which respectively has an electronic control unit and its own power supply device, and brake actuating devices which are activatable by the electronic control units, at least one of the brake actuating devices being activatable by more than one of the electronic control units, in which the brake circuits are electrically activatable via a foot brake valve, and the foot brake valve has two electrical braking transmitter devices which are each connected to the electronic control units so that they are DC-isolated.Type: GrantFiled: May 6, 2004Date of Patent: January 11, 2011Assignee: Knorr-Bremse Systeme fur Nutzfahrzeuge GmbHInventors: Eduard Gerum, Walter Broch, Bence Csák, László Gianone
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Patent number: 7841671Abstract: To enhance a brake feel of a motorcycle adopting a combined brake system. In a braking device for adjusting hydraulic pressure supplied to a brake caliper at a rear wheel according to hydraulic pressure at a front wheel produced by a brake operation at the front wheel of a motorcycle, a pattern for adjusting a brake caliper pressure at the rear wheel is different between a case when a temporal increasing rate of master cylinder pressure at the front wheel is equal to or exceeds a predetermined value and a case when the temporal increasing rate is below the predetermined value. Further, to provide a braking device for a motorcycle wherein a variation of a vertical load of a rear wheel when a brake is applied at a front wheel is inhibited.Type: GrantFiled: December 20, 2005Date of Patent: November 30, 2010Assignee: Honda Motor Co., Ltd.Inventors: Masanobu Nakayama, Kazuya Takenouchi, Kazuhiko Tani
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Publication number: 20100289324Abstract: A braking system for farm tractors and similar vehicles, has a differential braking system and a hydraulic system for the braking assistance forming a system unit (H) which includes two circuit branches (H1,H2), each circuit branch operating the braking with respect to one side of the vehicle. To the system unit are applied, through connection interfaces (36,37), two control units (C1,C2), each control unit including an electrovalve (20) and a distributor (24) operated by the electrovalve, each distributor controlling the operation of the system unit (H) with respect to one of the circuit branches, and each electrovalve being singularly controlled by an electronic control circuit (EL) provided with sensors of the main vehicle parameters, such as a sensor (V) of the vehicle speed, sensors (R) of the speed of singular wheels, sensors (P) of the positions of the braking pedals and a sensor (A) of the position of the accelerator pedal.Type: ApplicationFiled: January 12, 2009Publication date: November 18, 2010Applicant: VHIT S.P.A. UNIPERSONALEInventor: Leonardo Cadaddu
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Publication number: 20100283314Abstract: An occupant support 30 includes a frame 32, at least one rolling element 44 enabling the frame to be rolled from an origin to a destination and a brake command generator 60 adapted to generate a brake command 62. An electromachine 66 produces an output 68 in response to the brake command for decelerating the rolling element.Type: ApplicationFiled: May 6, 2009Publication date: November 11, 2010Inventors: David P Lubbers, David A Albersmeyer, Gregory A Meyer, Jerome E Reckelhoff, Dale J Struewing
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Publication number: 20100194186Abstract: In a system and method for controlling a distributed power rail vehicle consist, each of at least one powered rail vehicle in the rail vehicle consist is designated for operation as a remote trail. Based on the designation, a respective brake pipe valve of each of the at least one powered rail vehicle is automatically operated to a cut-out mode. Upon initiation of a service, an emergency, and/or a penalty brake application in the rail vehicle consist, the respective brake pipe valve of each of the at least one the powered rail vehicle is automatically operated to a cut-in mode. Upon completion of the service, emergency, and/or penalty brake application in the rail vehicle consist, the respective brake pipe valve of each of the at least one powered rail vehicle is automatically operated back to the cut-out mode.Type: ApplicationFiled: January 15, 2010Publication date: August 5, 2010Inventors: Eugene A. Smith, Derek Kevin Woo, Robert Palanti
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Patent number: 7695074Abstract: The present invention generally relates to braking systems for all-terrain vehicles. More particularly, the present invention relates to hand and foot actuated braking control systems for all-terrain vehicles.Type: GrantFiled: May 26, 2006Date of Patent: April 13, 2010Assignee: Polaris Industries, Inc.Inventor: Harry Pongo
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Patent number: 7690734Abstract: The present invention provides a method and apparatus for brake steering a tracked vehicle such as, for example, a military tank. More precisely, the present invention provides independent control of a left brake and a right brake to create a track speed differential and thereby turn the vehicle. The apparatus of the present invention preferably includes a controller, a plurality of circuit selector actuators operatively connected to the controller, and a plurality of brake apply actuators operatively connected to the controller. A plurality of valves are disposed in fluid communication with the plurality of circuit selector actuators. The left brake is in fluid communication with one of the plurality of brake apply actuators, and the right brake is in fluid communication with another of the plurality of brake apply actuators.Type: GrantFiled: January 17, 2006Date of Patent: April 6, 2010Assignee: GM Global Technology Operations, Inc.Inventor: Clifford H. Oehme