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公开(公告)号：US20190211719A1
公开(公告)日：2019-07-11
申请号：US16332494
申请日：2017-10-05
申请人： Camcon Auto Limited
发明人： Roger Stone
CPC分类号： F01L9/04 , F01L1/185 , F01L2009/0411 , F01L2009/0432 , F01L2009/0446 , F01L2105/00
摘要： A rotary electromagnetic actuator includes a biasing assembly for applying a torque to its rotor. Such an actuator may be used to operate a poppet valve of an internal combustion engine. The biasing assembly is moveable between a first configuration and a second configuration, wherein the biasing assembly stores a higher amount of potential energy in its second configuration than in its first configuration. The apparatus includes a latching mechanism for selectively latching the biasing assembly in its second configuration.
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公开(公告)号：US20190048761A1
公开(公告)日：2019-02-14
申请号：US15713028
申请日：2017-09-22
申请人： MOTONIC CORPORATION
发明人： Wan Jae JEON , Soo Hyun HWANG , Jong Wung PARK , Jun Min PARK , Chan Wung PARK , Dong Hyeong LEE
CPC分类号： F01L1/22 , F01L1/18 , F01L1/181 , F01L1/267 , F01L9/04 , F01L13/0005 , F01L13/0036 , F01L2001/186 , F01L2013/001 , F01L2105/00 , F02D13/06
摘要： Provided is a variable valve lift actuator of an engine, which includes: a first body rotating; a second body; a driving module; and a return spring, wherein an entire portion or a partial front end of the driving module is inserted into a rear end of the second body, the lift degree of the valve is variably controlled in two stages of a high-speed mode and a low-speed mode based on an operating condition of the engine, and when only the high-speed cam is installed on the camshaft, the driving pin is operated in a low-speed and low-load state of the engine to separate the first body from the second body so as to deactivate a cylinder.
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公开(公告)号：US20180334932A1
公开(公告)日：2018-11-22
申请号：US15595984
申请日：2017-05-16
CPC分类号： F01L1/34409 , F01L1/352 , F01L9/04
摘要： A camshaft phaser, including: a stator to receive rotational torque from an engine and including a radially inwardly facing surface and a slot in the radially inwardly facing surface; a rotor to non-rotatably connect to a camshaft, to be connected to an electric motor and including a first radially outwardly extending protrusion; and a spring non-rotatably connected to the stator and including a first portion disposed in the slot. The electric motor is arranged to rotate the rotor with respect to the stator. In a first circumferential position of the rotor with respect to the stator: no portion of the spring is disposed in the indent; and a second portion of the spring extends radially inwardly past the radially inwardly facing surface. In a second circumferential position of the rotor with respect to the stator, the second portion of the spring is disposed in the indent.
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公开(公告)号：US09970332B2
公开(公告)日：2018-05-15
申请号：US14921231
申请日：2015-10-23
IPC分类号： F01L1/34 , F01L9/02 , F01L9/04 , H03K17/68 , F01L1/047 , F02D41/22 , F02D41/20 , F01L1/053 , F01L13/00 , H03K17/687 , F02D41/00
CPC分类号： F01L1/34 , F01L1/047 , F01L1/053 , F01L9/02 , F01L9/026 , F01L9/04 , F01L13/0036 , F01L2013/0052 , F01L2013/101 , F01L2201/00 , F01L2800/11 , F02D41/20 , F02D41/221 , F02D2041/001 , F02D2041/2093 , H03K17/6871 , Y02T10/142 , Y02T10/40
摘要： An engine control module includes at least one high side driver connected to at least one intake camshaft actuator and at least one exhaust camshaft actuator. A plurality of low side drivers is connected to the at least one intake camshaft actuator and the at least one exhaust camshaft actuator. A sliding camshaft control module selectively actuates the at least one high side driver and the plurality of low side drivers based on a status associated with the at least one intake camshaft actuator and/or the at least one exhaust camshaft actuator.
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公开(公告)号：US20180058343A1
公开(公告)日：2018-03-01
申请号：US15558024
申请日：2015-03-13
发明人： Yongsheng HE , David J. CLEARY , Paul M. NAJT , Jim LIU , David SUN , Bin ZHU
CPC分类号： F02D13/0226 , F01L1/08 , F01L1/18 , F01L1/185 , F01L1/20 , F01L9/04 , F01L13/0063 , F01L2105/00 , F02B37/04 , F02D13/02 , F02D23/02 , Y02T10/144 , Y02T10/18
摘要： An internal combustion engine includes a cylinder block that defines a cylinder and a cylinder head mounted to the cylinder block. A reciprocating piston is arranged inside the cylinder for compressing an air and fuel mixture at a geometric compression ratio of at least 10:1. A crankshaft is arranged in the cylinder block and rotated by the piston. An intake valve is operatively connected to the cylinder head and controls delivery of air to the cylinder for combustion therein. A mechanism provides a constant peak lift of the intake valve over an angle of rotation of the crankshaft that is at least 5 degrees, i.e., an extended dwell at peak lift. A multi-stage boosting system having first and second gas compressors is selectively controlled to pressurize air that is received from the ambient for delivery to the cylinder. A vehicle having such an engine is also disclosed.
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公开(公告)号：US09850832B2
公开(公告)日：2017-12-26
申请号：US14860421
申请日：2015-09-21
发明人： Aed M. Dudar
IPC分类号： F02D41/00 , F02D43/00 , F02D41/24 , F02D41/26 , F02D41/02 , F01N3/20 , F01N3/10 , F01N3/021 , F01L9/04 , F02M25/08 , B60W20/16 , B60W10/06 , B60W10/08 , F02D41/04
CPC分类号： F02D41/0035 , B60W10/06 , B60W10/08 , B60W20/16 , F01L9/04 , F01L2009/0411 , F01L2009/0421 , F01N3/021 , F01N3/101 , F01N3/103 , F01N3/2013 , F02D41/0032 , F02D41/0045 , F02D41/024 , F02D41/042 , F02D41/2406 , F02D41/26 , F02D2041/001 , F02D2200/0802 , F02M25/0809 , Y10S903/905 , Y10S903/93
摘要： Methods and systems are provided for performing fuel vapor canister purging operations during engine off conditions. In one example, a method may include, responsive to an indication of breakthrough of vapors from a fuel vapor canister during engine-off conditions, configuring a first cylinder with both intake and exhaust valves open, opening a canister purge valve, and applying air pressure to the vapor canister such that desorbed canister vapors may be routed to an exhaust catalyst, the exhaust catalyst temperature maintained above a light off temperature. In this way, during engine-off conditions, including conditions wherein a vehicle is powered solely by battery, bleedthrough emissions may be reliably reduced by purging the vapor canister to the exhaust catalyst without requiring turning on the engine.
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公开(公告)号：US09664103B2
公开(公告)日：2017-05-30
申请号：US14821717
申请日：2015-08-08
申请人： John E Wacholtz, Jr.
发明人： John E Wacholtz, Jr.
CPC分类号： F02B25/145 , F01L9/04 , F02B75/02 , F02B2075/025 , F02M25/10
摘要： A true two-stroke (power and exhaust) internal combustion piston engine combining direct injection of all combustion and working fluid elements with exhaust valve(s) that open early during the power stroke if cylinder pressure falls below exhaust manifold pressure, will operate efficiently from power levels produced by conventional four-stroke engines of a fraction of the displacement of the two-stroke engine to power levels attainable by conventional four-stroke engines of twice the two-stroke engine displacement. No additional external systems will be required to enhance performance or control emissions, as all such enhancements are equivalent to control of the combustion and working fluid components. The magnitude of the combustion charge determines the power, and the makeup of the combustion components determine exhaust emissions. Any implementation of the true two-stroke engine will have the further advantages of requiring only half the cylinders (space and weight) and an equivalent reduction in required support systems. No intake valve train, no intake filter or manifolds, no catalytic converter or exhaust gas recirculation will be required. Some implementations may eliminate other support systems entirely (starter, cooling, exhaust valve train, etc.)
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公开(公告)号：US09653200B2
公开(公告)日：2017-05-16
申请号：US14684481
申请日：2015-04-13
申请人： DENSO CORPORATION
发明人： Atsushi Ito , Toshio Nishimura , Takeshi Akiyoshi
CPC分类号： H01F7/1844 , F01L9/04 , F02D41/20 , F02D2041/2058 , H01F7/1805 , H01F2007/1888
摘要： An electromagnetic-valve controller includes a control switch, a control portion regulating a supply current supplied to the electromagnetic valve by controlling a drive of the control switch and controlling to open or close the electromagnetic valve, and a current detection portion detecting the supply current. The control portion controls the drive of the control switch based on a detection result of the current detection portion. The control portion controls the drive of the control switch by using a first pulse signal having a duty ratio that is variable, in a closed period. The control portion controls the drive of the control switch by using a second pulse signal maintaining the supply current to be constant so as to maintain the electromagnetic valve to be in the fully closed state, in a closed-state maintaining period.
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公开(公告)号：US20170082043A1
公开(公告)日：2017-03-23
申请号：US14860421
申请日：2015-09-21
发明人： Aed M. Dudar
IPC分类号： F02D41/00 , F02D41/24 , F02D41/26 , F02D41/02 , F01N3/20 , B60W10/08 , F01N3/021 , F01L9/04 , F02M25/08 , B60W20/16 , B60W10/06 , F02D41/04 , F01N3/10
CPC分类号： F02D41/0035 , B60W10/06 , B60W10/08 , B60W20/16 , F01L9/04 , F01L2009/0411 , F01L2009/0421 , F01N3/021 , F01N3/101 , F01N3/103 , F01N3/2013 , F02D41/0032 , F02D41/0045 , F02D41/024 , F02D41/042 , F02D41/2406 , F02D41/26 , F02D2041/001 , F02D2200/0802 , F02M25/0809 , Y10S903/905 , Y10S903/93
摘要： Methods and systems are provided for performing fuel vapor canister purging operations during engine off conditions. In one example, a method may include, responsive to an indication of breakthrough of vapors from a fuel vapor canister during engine-off conditions, configuring a first cylinder with both intake and exhaust valves open, opening a canister purge valve, and applying air pressure to the vapor canister such that desorbed canister vapors may be routed to an exhaust catalyst, the exhaust catalyst temperature maintained above a light off temperature. In this way, during engine-off conditions, including conditions wherein a vehicle is powered solely by battery, bleedthrough emissions may be reliably reduced by purging the vapor canister to the exhaust catalyst without requiring turning on the engine.
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公开(公告)号：US09523294B2
公开(公告)日：2016-12-20
申请号：US14522179
申请日：2014-10-23
发明人： Jin Hee Cho
CPC分类号： F01L9/04 , F01L2009/0401 , F01L2009/0413 , F01L2009/0432
摘要： A valve driving device using a piezoelectric actuator includes a piezoelectric body of which a volume expands according to a voltage applied thereto. A displacement increase housing amplifies the volume expansion of the piezoelectric body. A swing arm is connected to the displacement increase housing and operated to drive an engine valve according to the amplified expansion of the piezoelectric body.
摘要翻译： 使用压电致动器的阀驱动装置包括其体积根据施加到其上的电压而膨胀的压电体。 位移增加的壳体放大了压电体的体积膨胀。 摆臂连接到排量增加壳体，并根据压电体的放大膨胀来操作以驱动发动机气门。
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