Patents Examined by Bradley T King
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Patent number: 11548343Abstract: An adapter piece may be employed to connect a damper tube and an air spring piston in a non-positive manner. The adapter piece may comprise a spring region. The adapter piece may also include a first ring region and a second ring region, and the spring region may be positioned between the first ring region and the second ring region. Further, an air spring damper system may utilize the spring region of such an adapter piece to connect a damper tube and an air spring piston in a non-positive connection. The damper tube may include a bulge with a supporting element positioned on the bulge. The adapter piece may lie on the supporting element.Type: GrantFiled: May 7, 2019Date of Patent: January 10, 2023Assignees: THYSSENKRUPP BILSTEIN GMBH, THYSSENKRUPP AGInventors: Lars Fischbach, Manuel Gross
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Patent number: 11535218Abstract: A braking apparatus of a vehicle including: a brake pedal position detector configured to detect a position of a brake pedal; a piston displacement detector configured to detect a displacement of a piston installed in a main master cylinder; a rear wheel circuit pressure detector configured to detect pressure supplied to a rear wheel circuit; a front wheel circuit pressure detector configured to detect pressure supplied to a front wheel circuit; a motor driver configured to drive a motor to move the piston; and a controller configured to receive the position of the brake pedal, the displacement of the piston, rear wheel circuit pressure and front wheel circuit pressure, determine a fail of a circuit isolation valve, and perform fail safe driving by operating the motor driver and a normal operating valve to supply pressure to only one of the rear wheel circuit and the front wheel circuit.Type: GrantFiled: December 31, 2019Date of Patent: December 27, 2022Assignee: Hyundai Mobis Co., Ltd.Inventor: Jee Sang Lee
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Patent number: 11535221Abstract: A brake device for a vehicle including: a master cylinder unit configured to generate hydraulic pressure by pressing of a pedal; a reservoir connected to the master cylinder unit and configured to store oil; a driving unit operated by movement of the pedal and configured to receive electric energy through a plurality of batteries to supply rotation power; a hydraulic generation unit configured to rotate by receiving the rotation power of the driving unit and generate hydraulic pressure by rotation of a plurality of rotors; wheel cylinder units configured to receive the hydraulic pressure generated by the hydraulic generation unit and constrain rotation of wheels; and a control unit configured to detect whether the driving unit normally operates and control an operation of the driving unit to supply the hydraulic generation unit with the rotation power in an event of abnormal operation of the driving unit.Type: GrantFiled: June 12, 2020Date of Patent: December 27, 2022Assignee: Hyundai Mobis Co., Ltd.Inventor: Jae Woo Jung
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Patent number: 11535223Abstract: A method is provided to check for presence of gas bubbles in an electronically slip-controllable motor vehicle brake system that includes brake circuits to which wheel brakes are connected, a pressure generator to charge the brake circuits with a brake pressure, and sensors to detect an actuating signal of the pressure generator and measure the brake pressures in the brake circuits. Disturbances are recognized by ascertaining from the signal a setpoint value for a brake pressure to be obtained and comparing it to an actual value of the brake pressure or by determining that an actual volume of the pressurizing medium displaced into the brake circuits, ascertainable from the signal, is greater than a limiting value that is determined for a setpoint value for the pressurizing-medium volume to be displaced into the brake circuits in order to generate the actual value of the brake pressure.Type: GrantFiled: December 5, 2019Date of Patent: December 27, 2022Assignee: Robert Bosch GmbHInventors: Benjamin Heinz, Lukas Schweizer, Michael Reichert, Michael Robert Ippolito
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Patent number: 11535216Abstract: An electrohydraulic actuator assembly for use in a brake-by-wire hydraulic brake system. The electrohydraulic actuator assembly includes a pair of electrohydraulic actuator EHA units. One EHA unit provides fluid to front brakes and the other EHA unit provides fluid to rear brakes. Each EHA unit includes an electric motor, a reduction gear unit, a pair of magnetorheological clutches, and a pair of fluid pumps. The system further including an ECU that actuates the electric motor and controls engagement of the clutches to cause the fluid pump to pump brake fluid to at least one of the front and rear brakes. The system further includes a regeneration system for providing supplemental electricity to the electric motors.Type: GrantFiled: May 14, 2018Date of Patent: December 27, 2022Assignee: MAGNA INTERNATIONAL INC.Inventors: Frank Gabbianelli, Todd Deaville, Matthew Williamson, Benjamin Saltsman, Warren Young, Timothy Reaburn
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Patent number: 11530729Abstract: A damping force variable shock absorber of the present disclosure is disclosed. The damping force variable shock absorber includes a cylinder having an inner tube and an outer tube filled with a fluid, a housing coupled to a lower end of a piston rod located inside of the inner tube and forming a connection passage therein, a magnet member provided inside the housing, a plunger moving by magnetic force of the magnet member, a first piston valve coupled to the outside of the housing to divide a compression chamber from a rebound chamber, and a second piston valve provided in the housing, wherein the connection passage is provided such that at least a part of the fluid flowing toward the first piston valve is bypassed to the second piston valve side by the opening and closing of the plunger.Type: GrantFiled: August 6, 2019Date of Patent: December 20, 2022Assignee: HL MANDO CORPORATIONInventor: Namho Kim
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Patent number: 11518250Abstract: An electro-hydraulic braking system includes a main casing. A hydraulic unit brake master cylinder is provided in the main casing. An outer end of a piston rod of the brake master cylinder is connected to an output top rod. Another end of the output top rod is provided with an input rod. The input rod is slidably connected in the main casing along only a length direction of the input rod, and another end of the input rod is provided with a push rod that is configured to transmit a brake pedal force. The main casing is further provided therein with a reset member configured to push the push rod away from the brake master cylinder to reset and a displacement sensor configured to sense a displacement of the push rod. The input rod and the output top rod include a spacing state and an abutment state.Type: GrantFiled: January 31, 2022Date of Patent: December 6, 2022Assignee: GLOBAL TECHNOLOGY CO., LTD.Inventors: Xun Li, Zhaoyong Liu, Qindong Gu
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Patent number: 11518361Abstract: Provided is an electric braking device wherein a friction member is pressed, via a piston driven by an electric motor, against a rotary member that rotates integrally with a vehicle wheel, thus generating a braking force on the vehicle wheel. The electric braking device is provided with: a controller for controlling the electric motor; a rotation angle sensor for detecting a rotation angle of the electric motor; and a return mechanism for applying a return force to a piston in a direction away from the rotary member. Furthermore, the controller executes a proper/improper determination to determine whether the return mechanism is operating properly on the basis of a change in the rotation angle after conduction of electricity to the electric motor is stopped.Type: GrantFiled: November 7, 2017Date of Patent: December 6, 2022Assignee: ADVICS CO., LTD.Inventors: Shun Tsukamoto, Shinichiro Yukoku
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Patent number: 11511721Abstract: An electric hollow-shaft motor having a hollow shaft which is able to be driven in rotation, and a detection device which is configured to detect the rotational position of the hollow shaft, wherein the detection device includes a magnet which is arranged on the hollow shaft, and a fixed magnetic field sensor which is arranged within the hollow shaft, wherein the magnetic field sensor is configured to detect a magnetic field generated by the magnet.Type: GrantFiled: September 14, 2018Date of Patent: November 29, 2022Inventors: Peter Stauder, Nam Anh Dinh, Tom Kaufmann, Thomas Knopik, Jens Habig
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Patent number: 11511723Abstract: An electric booster for a vehicle including: a disc holder accommodating a reaction disc, a screw nut rotated in conjunction with an operation of a motor, a screw bolt linearly moved in conjunction with a rotation of the screw nut, a boosting block disposed between the reaction disc and the screw bolt, and contacting a radially outer portion of the reaction disc when the screw bolt moves, a pedal rod contacting a radially central portion of the reaction disc through the screw bolt and the boosting block, a disc holder pressing hole connected to the screw bolt, and disposed to face the disc holder, and a first breakage prevention gap part formed between the disc holder and the disc holder pressing hole.Type: GrantFiled: July 21, 2020Date of Patent: November 29, 2022Assignee: Hyundai Mobis Co., Ltd.Inventor: Seung Hyun Yun
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Patent number: 11505221Abstract: A floating caliper brake device for a railroad vehicle includes: a support pin that is supported by a cylindrical portion of a support frame in such a manner as to be slidable in a direction X; a caliper; a first and second brake shoe; a pressurizing device that moves the first brake shoe back and forth; an elastic member that is expandable and contractible in the direction X; a stopper member that is immovable relatively to the cylindrical portion in the direction X; and a moving member that is frictionally engaged with the support pin so as to be slidable in the direction X.Type: GrantFiled: May 22, 2018Date of Patent: November 22, 2022Assignees: NIPPON STEEL CORPORATION, CENTRAL JAPAN RAILWAY COMPANYInventors: Kousuke Sakaguchi, Kazuaki Fujita, Masanori Sawada, Hironori Yokota, Tomohiro Otsuka, Jun Asano, Masashi Sekiya, Seiji Kanamori
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Patent number: 11499601Abstract: A damper assembly with a bypass for a vehicle comprises a pressure cylinder with a piston and piston rod for limiting the flow rate of damping fluid as it passes from a first to a second side of said piston. A bypass provides fluid pathway between the first and second sides of the piston separately from the flow rate limitation. In one aspect, the bypass is remotely controllable from a passenger compartment of the vehicle. In another aspect, the bypass is remotely controllable based upon one or more variable parameters associated with the vehicle.Type: GrantFiled: October 10, 2019Date of Patent: November 15, 2022Assignee: Fox Factory, Inc.Inventor: John Marking
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Patent number: 11491961Abstract: A braking system with a brake pump are described. The brake pump may have a first and a second delivery circuit fluidically connectable to at least a first and a second braking device. The first delivery circuit may have an indirect stage fluidically connectable to the first braking device and a direct stage intercepted by a first control valve, fluidically connectable alternately to a braking simulator and to the at least one second braking device. The second delivery circuit may be intercepted by the first control valve so as to actuate the second braking device alternately to the direct stage of the first delivery circuit.Type: GrantFiled: April 26, 2018Date of Patent: November 8, 2022Assignee: Freni Brembo S.p.A.Inventors: Roberto Arienti, Andrea Odoni, Massimo Gualandris, Carlo Cantoni
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Patent number: 11492103Abstract: A brake assembly may comprise a brake stack including a plurality of rotors and a plurality of stators. A piston assembly may be configured to apply a force to the brake stack. A brake control valve may be mounted to the piston assembly and fluidly coupled to a fluid inlet of the piston assembly.Type: GrantFiled: April 8, 2019Date of Patent: November 8, 2022Assignee: Goodrich CorporationInventor: Tyler Arsenault
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Patent number: 11486460Abstract: A work vehicle includes a frame, an axle, a cab supported by the frame, a first tuned mass damper assembly, and a second tuned mass damper assembly. The frame includes a first longitudinal frame member and a second longitudinal frame member. The first longitudinal frame member has a first rear end, and the second longitudinal frame member has a second rear end. The second longitudinal frame member extends parallel to the first longitudinal frame member. The axle extends perpendicular to the first and second longitudinal frame members. The cab is disposed on a side of the first and second longitudinal frame members opposite the axle. The first tuned mass damper assembly is mounted on the first longitudinal frame member between the first rear end and the cab. The second tuned mass damper is mounted on the second longitudinal frame member between the second rear end and the cab.Type: GrantFiled: August 27, 2019Date of Patent: November 1, 2022Assignee: DEERE & COMPANYInventors: Anthony T. DeSalvo, Michael B. Gill, Aaron Booms, William H. Kirkpatrick, Patrick Murphy, Patrick Bagby, Aaron Lock
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Patent number: 11485392Abstract: An eddy-current rail brake device includes a row of magnets, a supporting member, a case, and a lifting device. The row of magnets includes a plurality of permanent magnets that are arranged in a traveling direction of a railroad car. To the supporting member, the row of magnets is mounted. The supporting member has magnetism. The case houses the row of magnets and the supporting member and includes a bottom portion that faces the row of magnets and is non-magnetic. The lifting device raises and lowers the supporting member inside the case while the row of magnets is kept facing the bottom portion. The eddy-current rail brake device can prevent or reduce adhesion of a foreign object and can be reduced in size in a right-left direction.Type: GrantFiled: July 24, 2019Date of Patent: November 1, 2022Assignee: NIPPON STEEL CORPORATIONInventors: Shotaro Kadokawa, Kenji Imanishi, Hiroshi Nogami
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Patent number: 11485338Abstract: This electric braking device is provided with: an electric motor MTR that, in accordance with an operation amount Bpa of a braking operation member BP, generates a pressing force Fba, being a force pressing a friction member MSB against a rotary member KTB that rotates integrally with a wheel WHL of the vehicle; and a circuit board KBN to which a processor MPR and a bridge circuit BRG are mounted. The device is further provided with a rotation angle sensor MKA for detecting the rotation angle Mka of the electric motor, and drives the electric motor MTR on the basis of the rotation angle Mka. An end face Mmk of the rotation angle sensor MKA is fixed so as to be in contact with the circuit board KBN. The device is further provided with a pressing force sensor FBA for detecting the pressing force Fba, and drives the electric motor MTR on the basis of the pressing force Fba. An end face Mfb of the pressing force sensor FBA is fixed so as to be in contact with the circuit board KBN.Type: GrantFiled: July 23, 2020Date of Patent: November 1, 2022Assignee: ADVICS CO., LTD.Inventors: Yoshiyuki Yasui, Tomonori Katsuyama
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Patent number: 11480224Abstract: A dust retainer for a brake system comprising a retainer receptacle mounted integrally to one or more components of the brake assembly, wherein the retainer receptacle comprises a drum have first and second open ends, one open end being secured to a component of the brake system and the other open end being closed by a dust retainer cap, the drum defining a space within which a brake disk of the brake system is located, in use, wherein removal of the dust retainer cap allows the brake disk to be removed from the open end of the retainer drum, and a removable drawer integrated in the drum. A fastening means to removably secure brake components to each other is also disclosed.Type: GrantFiled: August 9, 2018Date of Patent: October 25, 2022Assignee: RATIER-FIGEAC SASInventor: Bertrand Prouzet
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Patent number: 11472387Abstract: A brake system for a motor vehicle with at least four hydraulically activated wheel brakes, including for each of the wheel brakes an electrically activated first wheel valve which is designed to be open when de-energized and an electrically activated second wheel valve which is designed to be closed when de-energized, a first electrically activated pressure source, which is connected to the first wheel valves via a first brake supply line, a second electrically activated pressure source, and a pressure medium reservoir vessel which is, in particular, at atmospheric pressure, wherein the second electrically activated pressure source is connected to the second wheel valves via a second brake supply line, and a method for operating said brake system.Type: GrantFiled: October 22, 2018Date of Patent: October 18, 2022Inventors: Robert Grimm, Jochen Zimmermann, Christian Courth, Jochen Beuss
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Patent number: 11472392Abstract: A method for operating a brake system for motor vehicles, comprising a master brake cylinder actuable by a brake pedal, an electrically controllable pressure provision device, a pressure medium reservoir tank, from which the master brake cylinder and the pressure provision device are supplied with pressure medium, and at least two hydraulically actuable wheel brakes and at least one electrically actuable inlet valve per wheel brake, wherein the wheel brakes are actuable either by the master brake cylinder or by the pressure provision device, the pressure medium reservoir tank is monitored by a device for determining a level of the pressure medium, wherein the wheel brakes are divided into at least one first wheel brake group and one second wheel brake group, and wherein the inlet valves of the first wheel brake group are closed when the determined level falls below a first limit value (s1).Type: GrantFiled: May 28, 2020Date of Patent: October 18, 2022Assignee: CONTINENTAL AUTOMOTIVE SYSTEMS, INC.Inventor: Harald Biller