Patents Examined by Ruben Picon-Feliciano
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Patent number: 11624440Abstract: The disclosure concerns a seal, in particular a rod seal for sealing an axially movable rod in a guide cylinder, in particular a piston seal for a pneumatically, electrically or hydraulically driven coating agent pump for pumping coating agent, having an annular sealing element for sealingly resting on a circumferential surface of an axially movable rod, and having at least one elastic annular pretensioning element, the annular pretensioning element surrounding the annular sealing element radially on the outside and pretensioning it radially to the inside. The disclosure provides an annular seal base body which externally surrounds and holds the sealing element and the pretensioning element. In addition, the disclosure also comprises an inverted variant in which the seal is arranged in an annular groove in a lateral surface of a piston and lies sealingly against the cylinder running surface.Type: GrantFiled: January 8, 2019Date of Patent: April 11, 2023Assignee: Dürr Systems AGInventors: Herbert Martin, Martin Stiegler, Hannes Mayer, Ralf Schäfer
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Patent number: 11619161Abstract: A control system that uses an algorithm to control the fan speed in a cooling system for an engine is disclosed. The algorithm is adapted to maintain a cooling medium at a set temperature instead of an operating temperature range of the cooling medium. The algorithm is also adapted to maintain a cooling medium at a set temperature and to build a cooling safety margin in response to an engine output torque percentage that is below an output torque percentage setpoint.Type: GrantFiled: May 9, 2018Date of Patent: April 4, 2023Assignee: APPLIED INDUSTRIAL TECHNOLOGIES, INC.Inventor: Wenling Babbitt
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Patent number: 11614020Abstract: A control system that uses an algorithm to control the fan speed in a cooling system for an engine is disclosed. The algorithm is adapted to maintain a cooling medium at a set temperature instead of an operating temperature range of the cooling medium. The algorithm is also adapted to maintain a cooling medium at a set temperature and to build a cooling safety margin in response to an engine output torque percentage that is below an output torque percentage setpoint.Type: GrantFiled: November 19, 2019Date of Patent: March 28, 2023Assignee: APPLIED INDUSTRIAL TECHNOLGIES, INC.Inventor: Wenling Babbitt
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Patent number: 11613174Abstract: An apparatus is provided for purging fuel evaporation gas in a fuel system. The apparatus increases an amount of fuel evaporation gas that is desorbed from a canister during driving of an engine, and thus prevents fuel evaporation gas adsorbed to the canister from being discharged to the atmosphere.Type: GrantFiled: December 21, 2020Date of Patent: March 28, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Seong Cheol Cho, Sung Won Lee
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Patent number: 11608777Abstract: Improvements to an engine comprise an air compressor cylinder with a piston, a combustion chamber cylinder with a piston. An engine has added an expansion chamber cylinder with a piston. Pistons each have a connecting rod and connecting rod head and associated parts adapted for reciprocating motion via combustion products, and a transmission associated with the engine. Improvements are to the piston seals, ignition assembly, valve shape and stem/rocker, valve operating mechanism, construction of head, heat management/heat shield, connecting rod/piston rotator, engine balancing, fuel pump placement, and a machining process.Type: GrantFiled: January 11, 2020Date of Patent: March 21, 2023Inventor: John A. Devine
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Patent number: 11608793Abstract: A controller for a hybrid electric vehicle including an internal combustion engine is provided. The internal combustion engine includes a filter arranged in an exhaust passage collect particulate matter from exhaust gas. The controller executes a first deceleration control process, a second deceleration control process, and a selection process. The first deceleration control process uses a fuel cutoff process when deceleration of the hybrid electric vehicle is required. The second deceleration control process does not use the fuel cutoff process when deceleration of the hybrid electric vehicle is required. The selection process selects execution of the second deceleration control process when a PM deposition amount is greater than or equal to a threshold value and selects execution of the first deceleration control process when the PM deposition amount is less than the threshold value.Type: GrantFiled: April 1, 2022Date of Patent: March 21, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Suguru Kumazawa, Koichiro Muta
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Patent number: 11603088Abstract: A control system for a hybrid vehicle configured to reduce electricity consumption by a motor in a condition where a maximum output torque of an engine is restricted. A controller is configured to: calculate a current maximum torque of the engine when increasing a speed of the engine to achieve an acceleration demand; determine whether the current maximum torque of the engine is less than an inertia torque required to increase the speed of the engine; and adjust the reaction torque of the first motor to a value less than a predetermined value, if the current maximum torque of the engine is less than the inertia torque required to increase the speed of the engine.Type: GrantFiled: January 22, 2021Date of Patent: March 14, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Masakazu Tabata
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Patent number: 11597253Abstract: A blower having a motor mount, in particular for a blower of an air-conditioning system of a motor vehicle, the blower having a blower housing, in which an electric motor is held with the aid of the motor mount, an impeller being furthermore drivably disposed in the blower housing on a shaft of the electric motor, the impeller having a side oriented toward the electric motor, and the motor mount having a first surface oriented toward the impeller, a gap being formed between the impeller and the first surface, the first surface having a plurality of first projecting elements, which protect on the outer circumference of the surface in the direction of the impeller.Type: GrantFiled: September 24, 2019Date of Patent: March 7, 2023Assignee: MAHLE International GmbHInventor: Norman Schaake
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Patent number: 11598254Abstract: Systems are disclosed for providing a work vehicle with a mounted auxiliary power source. The control system of the auxiliary power source may be connected to a communication network of the work vehicle to receive data from various systems of the work vehicle and control and power various systems of the work vehicle.Type: GrantFiled: April 28, 2020Date of Patent: March 7, 2023Assignee: Illinois Tool Works Inc.Inventor: Nathan Joe Jochman
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Patent number: 11572812Abstract: The present disclosure relates to a device for lubricating an internal combustion engine having a crankshaft, which is connected to at least one connecting rod. The device has at least one first flow limiter, in particular a restrictor, for reducing a lubricating fluid flow of a lubricating fluid stream passed to the at least one first flow limiter. The device has a plurality of crankshaft bearings for the rotatable support of the crankshaft, wherein the plurality of crankshaft bearings is provided in fluid communication downstream of the at least one first flow limiter. The device has at least one big end bearing for the rotatable support of the at least one connecting rod, wherein the at least one big end bearing is provided in fluid communication downstream of at least one crankshaft bearing of the plurality of crankshaft bearings.Type: GrantFiled: August 1, 2018Date of Patent: February 7, 2023Assignee: MAN TRUCK & BUS AGInventors: Thomas Malischewski, Dominik Renner
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Patent number: 11572852Abstract: An engine includes a cylinder, a piston reciprocable within the cylinder in response to the combustion of a mixture of air and fuel, and a venturi having a throat. The venturi is positioned to draw in air and direct the air and fuel to the cylinder. A fuel inlet is positioned to direct gaseous fuel into the throat, a valve is coupled to the fuel inlet, and an engine control module operable to control the valve and the fuel flow into the throat.Type: GrantFiled: January 12, 2015Date of Patent: February 7, 2023Assignee: Briggs & Stratton, LLCInventor: Michael Pitcel
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Patent number: 11572844Abstract: A method for stopping an engine within a desired crankshaft angular range is disclosed. In one example, the method may take no control actions if it is determined that the engine will stop within the desired crankshaft angular range. However, if it is determined that the engine may stop outside of the desired crankshaft angular range, expansion combustion may be initiated in a cylinder so that the engine stops in a desired crankshaft angular range.Type: GrantFiled: February 24, 2020Date of Patent: February 7, 2023Assignee: Ford Global Technologies, LLCInventors: Jeffrey Allen Doering, Chris Paul Glugla, Imtiaz Ali
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Patent number: 11566529Abstract: A turbomachinery component with a surface that includes a bounded wear coat, the component includes: a body; a contact surface defined by the body; a recess extending into the body and communicating with the contact surface; and a wear coat positioned in the recess.Type: GrantFiled: August 22, 2017Date of Patent: January 31, 2023Assignee: GENERAL ELECTRIC COMPANYInventors: Shawn Patrick Duffen, Donald Brett DeSander, Victor Hugo Silva Correia
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Patent number: 11560867Abstract: A first tubular portion forms a part of a fuel flow passage therein. A first joint surface is formed in one end surface of the first tubular portion. A first inner diameter enlarged portion is formed on a side opposite to the first joint surface. A second tubular portion forms a part of the fuel flow passage therein. A second joint surface is formed in one end surface of the second tubular portion and joined to the first joint surface. A second inner diameter enlarged portion is formed on a side opposite to the second joint surface. A welded portion is formed in an annular shape to extend radially inward from the radially outside of the first joint surface and the second joint surface by welding the first tubular portion and the second tubular portion.Type: GrantFiled: August 10, 2021Date of Patent: January 24, 2023Assignee: DENSO CORPORATIONInventor: Tetsuya Yoshimura
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Patent number: 11555426Abstract: In an internal combustion engine, an oil return passage extending from a breather chamber can be formed without increasing the number of component parts and without increasing the size of the internal combustion engine. The internal combustion engine (1) comprises an engine block (30) defining a cylinder (2); a case member (19) fastened to a lower part of the engine block to define a crank chamber jointly with the engine block; a bearing member (50) fastened to the engine block in the crank chamber to rotatably support a crankshaft; a breather chamber (113) defined in the engine block; an inlet passage (112) formed in the engine block to communicate the crank chamber with the breather chamber; a connection pipe (114) communicating the breather chamber with an intake device; and an oil return passage (150) formed at least in the bearing member, and extending from a bottom part of the breather chamber to an oil return port (147) opening at an outer surface of the bearing member.Type: GrantFiled: December 11, 2017Date of Patent: January 17, 2023Assignee: HONDA MOTOR CO., LTD.Inventor: Shohei Kono
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Patent number: 11549765Abstract: A coolant circuit for a drive device. It includes a first coolant sub-circuit and a second coolant sub-circuit, in each of which a device to be temperature-controlled is arranged and which are fluidically connected to one another via at least one connecting valve, wherein at least one coolant pump is provided in each of the two coolant sub-circuits, which is designed in at least one of the coolant sub-circuits as a fluid pump having variable delivery direction. The disclosure furthermore relates to a method for operating a coolant circuit for a drive device.Type: GrantFiled: June 24, 2020Date of Patent: January 10, 2023Assignee: AUDI AGInventor: Thomas Hoffmann
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Patent number: 11548627Abstract: A method of forming a balanced rotor blade assembly includes measuring a weight of a plurality of sub-components of the rotor blade assembly excluding a core. A configuration of a core of the rotor blade assembly is determined. In combination, the core and the plurality of sub-components achieve a target weight distribution and moment. The core is then fabricated and assembled with the plurality of sub-components to form a rotor blade sub-assembly.Type: GrantFiled: August 4, 2017Date of Patent: January 10, 2023Assignee: SIKORSKY AIRCRAFT CORPORATIONInventors: Eric Cotton, Aaron Daniels
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Patent number: 11542887Abstract: A cylinder head for an internal combustion engine with at least one cylinder has a cooling duct system which has a coolant inlet side and a coolant outlet side, a combustion chamber section, two coolant-inlet-side gas ducts, two coolant-outlet-side gas ducts and two adjacent component openings, such as a spark plug opening and an injection nozzle opening. The cylinder head has an annular wall section provided between the component openings, on the one hand, and the gas ducts, on the other hand. The cooling duct system has a web cooling duct which runs into the annular wall section, extends between the coolant-inlet-side gas ducts and has an upper wall. The upper wall has a guiding surface which is directed obliquely downwards in the region of the annular wall section in order to deflect coolant in the direction of the combustion chamber section.Type: GrantFiled: February 19, 2019Date of Patent: January 3, 2023Assignee: Bayerische Motoren Werke AktiengesellschaftInventor: Istvan Toth
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Patent number: 11536170Abstract: A crankshaft bearing structure is provided, in which a crankshaft includes a first crank journal and a second crank journal, and a crank pin disposed therebetween. First upper-and-lower journal bearings and second upper-and-lower journal bearings are attached to the respective crank journals, and each upper bearing includes an oil hole connected to an oil passage to supply oil to between the crank journal and the journal bearings. An in-shaft oil passage is formed in the crankshaft to draw oil from an outer circumferential surface of the second crank journal to an outer circumferential surface of the crank pin. The second upper journal bearing has, on an inner circumferential surface thereof, a circumferential groove connected to the oil hole. The oil is supplied to between the first upper-and-lower journal bearings and the first crank journal, only through a passage passing through the oil hole of the first upper journal bearing.Type: GrantFiled: January 31, 2022Date of Patent: December 27, 2022Assignee: Mazda Motor CorporationInventors: Hirotaka Tamari, Shigeru Wada, Yukio Misaki, Koji Kumagai, Tatsunori Sasaki, Takahiro Onda
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Patent number: 11512713Abstract: An assembly for the compressor stator of a turbomachine. The assembly comprises: a shroud, in various instances an inner shroud, that is axially divided into two parts; a pocket formed in the shroud; a bearing located in the pocket; and an orientable vane pivotably mounted in the bearing about a pivot axis. The shroud comprises an axial interface separating the parts that is axially offset from the pivot axis of the orientable vane. The invention also provides a process for assembling the assembly.Type: GrantFiled: August 18, 2017Date of Patent: November 29, 2022Assignee: SAFRAN AERO BOOSTERS SAInventor: Morgan Vyvey