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公开(公告)号：US20240102427A1
公开(公告)日：2024-03-28
申请号：US18534627
申请日：2023-12-09
CPC分类号： F02D41/024 , F02B19/12 , F02D13/0249 , F02D41/008 , F02P5/1504
摘要： A method of heating a catalytic converter of an internal combustion engine, wherein the method comprises the steps of: igniting the gas charge in one of the cylinders in a range from 10° CA before ignition top dead center to 20° CA after ignition top dead center; and opening the exhaust valve of the cylinder exhaust of the cylinder in a range from 30° CA to 55° CA after ignition top dead center. The method allows the catalytic converter of the internal combustion engine to quickly reach operating temperature and thus contributes to the reduction of pollutant emissions. An internal combustion engine is also provided that is designed to carry out the method of the invention for heating a catalytic converter.
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公开(公告)号：US20180238244A1
公开(公告)日：2018-08-23
申请号：US15556267
申请日：2016-03-30
发明人： Satoshi YABU , Masaaki KANEKO
CPC分类号： F02D13/0249 , F01L1/3442 , F01L1/352 , F01L1/356 , F01L2001/0537 , F01L2001/3443 , F01L2001/34483 , F01L2250/02 , F01L2800/00 , F01L2820/032 , F01L2820/041 , F01L2820/042 , F02D13/02 , F02D13/0261 , F02D2200/1002 , F02D2200/101 , Y02T10/18
摘要： A control unit for an internal combustion engine is configured for suppressing knocking phenomenon with reduction of overlap, while maintaining an opening timing of an exhaust valve at the time of low-rotation, high-load state. A valve opening/closing timing control apparatus includes a phase adjustment mechanism configured to vary a relative rotational phase between a driving side rotary body rotatable in synchronism with a crankshaft of the internal combustion engine and a driven side rotary body rotatable together with an exhaust cam shaft. After an opening timing of the exhaust valve, an advancing operation is effected for displacing the relative rotational phase in the advancing direction relative to the opening timing.
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公开(公告)号：US20180171908A1
公开(公告)日：2018-06-21
申请号：US15382532
申请日：2016-12-16
CPC分类号： F02D41/0077 , F01N13/107 , F02D13/0249 , F02D41/26 , F02M26/52
摘要： Methods and systems are provided for operating a split exhaust engine system that provides blowthrough air and exhaust gas recirculation to an intake passage via a first exhaust manifold and exhaust gas to an exhaust passage via a second exhaust manifold. In one example, a first set of exhaust valves coupled to the first exhaust manifold may be operated at a different timing than a second set of exhaust valves coupled to the second exhaust manifold. Further, a position of a first valve positioned in a first passage coupled between the intake passage and the first exhaust manifold and/or a timing of the first set of exhaust valves may be diagnosed based on an output of a pressure sensor positioned in the first exhaust manifold.
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公开(公告)号：US09988953B2
公开(公告)日：2018-06-05
申请号：US15275814
申请日：2016-09-26
发明人： Toru Kisaichi
CPC分类号： F01L13/08 , F01L1/053 , F01L1/181 , F01L1/26 , F01L1/267 , F01L13/085 , F01L2001/0535 , F01L2013/108 , F02B75/16 , F02D13/0249 , F02D13/0273
摘要： An internal combustion engine for increasing the freedom of the layout of a rocker arm wherein the rocker arm is lighter. The internal combustion engine includes a camshaft having a first exhaust cam and a second exhaust cam, a first exhaust valve, and a second exhaust valve. The internal combustion engine further includes a first rocker arm for actuating the first exhaust valve to open and close, a second rocker arm for actuating the second exhaust valve to open and close, and a decompression mechanism for lifting the first rocker arm in a valve opening direction at the timing of a compression stroke initiated by the internal combustion engine. The first rocker arm and the second rocker arm are provided with an angular movement transmitter for transmitting a turning force produced by a decompression operator in the valve opening direction from the first rocker arm to the second rocker arm.
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公开(公告)号：US20180030884A1
公开(公告)日：2018-02-01
申请号：US15662263
申请日：2017-07-27
申请人： Honda Motor Co.,Ltd.
发明人： Tadashi KUROTANI , Takashi OTOBE , Masaki UENO , Masaki SUZUKI
CPC分类号： F02B37/14 , F02B37/10 , F02B2037/122 , F02D13/0215 , F02D13/0219 , F02D13/0249 , F02D41/0007 , F02D41/006 , F02D2250/34 , F02M26/01 , F02M26/04 , Y02T10/144 , Y02T10/18 , Y02T10/47
摘要： Provided is a control device of an internal combustion engine for suppressing variation in the internal EGR amount among cylinders and improving the merchantability. A control device 1 of an internal combustion engine 3 has an ECU 2, wherein the internal combustion engine 3 includes an electric turbocharger 5 and first to fourth cylinders #1 to #4. The ECU 2 sets a target rotation change amount DN#i for a turbine 5b of the electric turbocharger 5 corresponding to each cylinder according to the operation state of the internal combustion engine 3 (Step 35), and controls a TC motor 5c of the electric turbocharger 5 in a control period, which includes an exhaust stroke in one combustion cycle of each cylinder, to match the target rotation change amount DN#i (Step 23).
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公开(公告)号：US09879621B2
公开(公告)日：2018-01-30
申请号：US15070545
申请日：2016-03-15
发明人： Chris Paul Glugla
IPC分类号： F02D41/00 , F02P5/15 , F02D41/14 , F02M25/08 , F16H63/46 , F16H61/14 , F02D41/22 , F02D29/02 , F02P5/152 , F02D35/02 , F02D13/02 , F02M35/10 , F02M26/06 , F02P5/04
CPC分类号： F02D41/0032 , F02D13/0207 , F02D13/0249 , F02D29/02 , F02D35/027 , F02D41/004 , F02D41/0077 , F02D41/1498 , F02D41/22 , F02D2200/025 , F02D2200/0406 , F02D2200/101 , F02D2200/50 , F02D2200/701 , F02D2200/702 , F02M25/0854 , F02M26/06 , F02M35/10222 , F02M35/10229 , F02P5/045 , F02P5/1504 , F02P5/152 , F16H59/66 , F16H61/0213 , F16H61/143 , F16H63/46 , F16H63/50 , F16H2061/0015 , F16H2061/0232 , F16H2061/0234 , F16H2061/145 , Y02T10/46 , Y02T10/47
摘要： Methods and systems are provided for regulating engine operating parameters such as exhaust gas recirculation (EGR) based on road roughness conditions. Based on increased road roughness estimation, EGR flow rate may be opportunistically raised, enabling NVH associated with elevated EGR levels to be masked by NVH associated with rough road conditions. In addition, purging of fuel vapors from a canister or a crankcase to the engine may be increased while transmission shift schedules may be advanced so as to complete the shift during the rough road condition.
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公开(公告)号：US20170314493A1
公开(公告)日：2017-11-02
申请号：US15499405
申请日：2017-04-27
发明人： Keiji YOEDA , lsao MATSUMOTO
CPC分类号： F02D41/221 , F01N13/107 , F01N2240/36 , F02B37/02 , F02B37/025 , F02B37/183 , F02B2039/162 , F02D13/0215 , F02D13/0249 , F02D13/0261 , F02D37/02 , F02D41/0007 , F02D41/1448 , F02D41/38 , F02D2041/001 , F02D2041/389 , Y02T10/144 , Y02T10/18
摘要： An internal combustion engine includes a twin entry type turbocharger with which a first exhaust passage and a second exhaust passage respectively communicate individually, a communication path that causes the first exhaust passage and the second exhaust passage to communicate with each other, a communication valve that opens and closes the communication path, an abnormality diagnosis device that diagnoses presence or absence of abnormality of the communication valve, a variable valve timing mechanism capable of changing a period of valve overlap of the engine, and a control device. When it is determined that abnormality of a valve closure failure of the communication valve is present, the control device operates the mechanism to reduce the valve overlap in an operating state in which the communication valve is closed, more than in a case where it is determined that abnormality of a valve closure failure of the communication valve is absent.
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8.发明申请公开(公告)号：US20170234243A1
公开(公告)日：2017-08-17
申请号：US15333973
申请日：2016-10-25
发明人： In Sang RYU , Kyoung Pyo HA , You Sang SON , Kiyoung KWON
CPC分类号： F02D13/0207 , F01L1/40 , F01L2800/10 , F02D13/0234 , F02D13/0238 , F02D13/0249 , F02D13/0261 , F02D41/0007 , F02D41/0235 , F02D41/1498 , F02D41/26 , F02D2041/001 , F02D2041/002 , F02D2200/1002 , F02D2200/101 , Y02T10/144
摘要： The method for controlling valve timing of an engine includes: classifying control regions; applying a maximum duration to an intake valve and a long duration to an exhaust valve in a first control region; advancing Intake Valve Closing timing, applying the long duration to the exhaust valve, and maintaining a maximum valve overlap in a second control region; applying the long duration to the exhaust valve and advancing the IVC timing and Exhaust Valve Closing timing in a third control region; applying a short duration to the exhaust valve and controlling the EVC timing in a fourth control region; controlling a throttle valve, applying the short duration to the exhaust valve, and retarding Exhaust Valve Opening timing in a fifth control region; and controlling the throttle valve and the EVC timing, applying the long duration to the exhaust valve, advancing the EVO timing in a sixth control region.
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公开(公告)号：US20170184037A1
公开(公告)日：2017-06-29
申请号：US15355067
申请日：2016-11-18
发明人： Mitsuo KADOTA
CPC分类号： F02D13/0249 , B60T13/46 , B60T17/02 , F02D13/0261 , F02D13/0265 , F02D13/04 , F02D23/00 , F02D29/02 , F02D35/02 , F02D41/123 , F02D2250/41
摘要： A vehicle includes a turbocharger, an exhaust-side variable valve, a vacuum servo device, an exhaust-side negative pressure hose, an exhaust-side check valve, a negative pressure supply valve, and circuitry. The exhaust-side negative pressure hose connects the vacuum servo device and a negative pressure extracting portion disposed in the exhaust passage. The exhaust-side check valve is disposed in the exhaust-side negative pressure hose to permit a gas flow only from the vacuum servo device to the exhaust passage. The negative pressure supply valve is provided in the exhaust-side negative pressure hose to open and close the exhaust-side negative pressure hose. The circuitry configured to control the exhaust-side variable valve to delay the valve timing with respect to an exhaust top dead center so as to generate negative pressure in the exhaust passage and to open the negative pressure supply valve while the negative pressure is generated in the exhaust passage.
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公开(公告)号：US09683496B2
公开(公告)日：2017-06-20
申请号：US14468971
申请日：2014-08-26
发明人： Susumu Kojima
CPC分类号： F02D37/02 , F02D13/0249 , F02D41/042 , F02N19/005 , F02N99/006 , F02N2300/2006
摘要： A control apparatus for an internal combustion engine that can be a four-cycle engine including cylinders into which fuel is directly injected, the control apparatus includes an electronic control unit. The electronic control unit is configured to execute a fuel injection and an ignition for the cylinder in an expansion stroke on a condition that a stop of the piston in any one of the cylinders at vicinity of a top dead center after a compression stroke is predicted when the electronic control unit is configured to stop the fuel injection and the ignition for the internal combustion engine upon fulfillment of a predetermined stop condition.
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