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1. 发明授权

US10481043B2 Method for small leak testing of an evaporative emissions system 有权
公开(公告)号：US10481043B2
公开(公告)日：2019-11-19
申请号：US15702397
申请日：2017-09-12
申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC
发明人： Todd W Nelson
IPC分类号： F02M25/08 , F02M33/04 , G01M15/04 , G01M3/26
摘要： A method for small leak testing of an evaporative emissions system includes monitoring a vacuum pressure level of the evaporation emissions system with the engine on and actuating a canister vent valve to regulate the vacuum pressure level to a predetermined minimum vacuum pressure level. Upon turning the engine off, the canister vent valve and a canister purge valve are closed to seal the evaporative emissions system. Next, the vacuum pressure level is recorded over a predetermined time period after turning off the engine and a fault code is set when the vacuum pressure level becomes less than the predetermined minimum vacuum pressure level.

2. 发明授权

US09822719B2 Systems and methods for fuel vapor canister purge 有权
公开(公告)号：US09822719B2
公开(公告)日：2017-11-21
申请号：US15064811
申请日：2016-03-09
申请人： Ford Global Technologies, LLC
发明人： Aed M. Dudar , Donald Ignasiak , Dennis Seung-Man Yang , Russell Randall Pearce , Mark W. Peters , Niels Christopher Kragh
IPC分类号： F02M33/04 , F02D41/00 , F02M25/08 , F02D41/14 , F02M35/10
CPC分类号： F02M35/10222 , F02D41/0032 , F02D41/0045 , F02D41/1456 , F02M25/0836 , F02M25/0854 , F02M25/089
摘要： Methods and systems are provided for controlling the purging of a fuel vapor canister coupled to a vehicle fuel tank, configured for capturing and storing vapors emanating from the tank. In one example, two canister purge valves are coupled in series in a fuel vapor conduit between the fuel vapor canister and engine intake, one at the intake manifold and one at the fuel vapor canister, such that fine control over the introduction of fuel vapors into the engine is maintained via the purge valve at the intake manifold, while thorough purging of the fuel vapor canister may be regulated via the purge valve at the fuel vapor canister. In this way, fuel vapors in the fuel vapor canister may be effectively purged to intake, thus reducing the potential for undesired evaporative emissions.

3. 发明授权

US09797348B2 Evaporative emissions system and method for a stop/start vehicle 有权
公开(公告)号：US09797348B2
公开(公告)日：2017-10-24
申请号：US14468144
申请日：2014-08-25
申请人： Ford Global Technologies, LLC
发明人： Aed M. Dudar
IPC分类号： F02M33/04 , F02M25/08
CPC分类号： F02M25/089 , F02M25/0809 , F02M25/0836
摘要： Systems and methods for diagnosing individual components of an evaporative emissions system are presented. In one example, fuel vapor flow may be a basis for determining whether or not selected emission system components may be degraded. Further, fuel tank pressure may be another basis for determining component whether or not selected emissions system components may be degraded.

4. 发明授权

US09611820B2 Intake structure for internal combustion engine 有权
公开(公告)号：US09611820B2
公开(公告)日：2017-04-04
申请号：US14662135
申请日：2015-03-18
申请人： YAMABIKO CORPORATION
发明人： Hiroki Mutoh , Masayoshi Miyamoto
IPC分类号： F02M35/02 , F02M35/10 , F02M35/04 , F02M17/34 , F02M33/04
CPC分类号： F02M35/10078 , F02M17/34 , F02M33/04 , F02M35/044 , F02M35/10144 , F02M35/1017 , F02M35/1019 , F02M35/10196 , F02M35/10262 , Y02T10/146
摘要： The intake structure for an internal combustion engine includes: a collision surface configured to face an inlet of a carburetor; a deflecting surface configured to deflect a blowback flow, which is to diffuse after colliding against the collision surface, in one direction along the collision surface; a receiving surface configured to receive the blowback flow deflected by the deflecting surface; and a fuel-accumulating surface formed below the collision surface. A first clearance between an air-guiding direction distal end of the deflecting surface and the receiving surface is brought into communication to a downstream side of a filter of an air cleaner in a fresh-air intake direction so as to act as a main intake passage for fresh air.

5. 发明授权

US09382879B2 Fuel evaporative gas emission suppression system 有权
标题翻译：燃料蒸发气体排放抑制系统
公开(公告)号：US09382879B2
公开(公告)日：2016-07-05
申请号：US14527192
申请日：2014-10-29
申请人： MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
发明人： Hideo Matsunaga , Hitoshi Kamura
IPC分类号： F02M33/04 , F02M25/08
CPC分类号： F02M25/0836 , F02M25/0818 , F02M25/089
摘要： If a pressure deviation ΔP (amount of pressure decrease) after a first predetermined time period T1 has elapsed since a bypass valve (canister opening/closing valve) is controlled from an opened to closed state by actuating a negative pressure pump when the engine is stopped and a purge valve is opened is less than a first predetermined pressure P1, it is determined that the bypass valve is in an open sticking state, and if the pressure deviation ΔP is not less than the first predetermined pressure P1, it is determined that the bypass valve is not in an open sticking state. Moreover, a pressure deviation ΔP after a second predetermined time T2 has elapsed since the bypass valve is subsequently controlled to be opened decreases by not less than a second predetermined pressure P2, it is determined that the bypass valve 37 is not in a closed sticking state.
摘要翻译：如果在从第一预定时间段T1开始经过了第一预定时间段T1之后的压力偏差＆Dgr; P（压力降低量），从旁路阀（罐开启/关闭阀）通过在发动机停止并且打开排气阀小于第一预定压力P1时，确定旁通阀处于打开粘贴状态，并且如果压力偏差Dgr; P不小于第一预定压力P1，则确定旁通阀不处于开放的粘附状态。此外，从旁通阀随后控制打开经过第二预定时间T2以后的压力偏差Dgr; P减小不小于第二预定压力P2，确定旁通阀37不处于闭合状态坚持状态

6. 发明授权

US09188087B2 Ejector flow rate computation for gas constituent sensor compensation 有权
标题翻译：气体成分传感器补偿的喷射器流量计算
公开(公告)号：US09188087B2
公开(公告)日：2015-11-17
申请号：US13789369
申请日：2013-03-07
申请人： Ford Global Technologies, LLC
发明人： Gopichandra Surnilla , Ross Dykstra Pursifull
IPC分类号： F02M25/07 , F02M33/04 , F02B37/12 , F02M25/08 , F02D41/00 , F02D41/14
CPC分类号： F02M25/07 , F02B37/127 , F02D41/0032 , F02D41/0072 , F02D41/144 , F02D41/1454 , F02D2200/0406 , F02D2200/0414 , F02M25/0836 , F02M25/089 , F02M26/07 , F02M26/46 , F02M26/47 , F02M33/04 , Y02T10/121 , Y02T10/47
摘要： Methods and systems are provided for computing the flow rate at a suction port of an ejector arranged in series with an outlet of an engine system such as a fuel vapor purge system during certain conditions. In one example, the need for a sensor at an ejector suction port may be reduced by adjusting exhaust gas recirculation based on a flow rate at the ejector suction port, the flow rate based on a flow characteristic of the ejector and a flow characteristic of an engine system. The flow rate and a reductant concentration of gases from the engine system may then be used as a basis for compensation of a diluent concentration measurement taken by a gas constituent sensor arranged downstream of the ejector outlet in an engine intake passage, e.g. to improve adjustment of exhaust gas recirculation based on the compensated diluent concentration measurement.
摘要翻译：提供的方法和系统用于计算在特定条件下与诸如燃料蒸气吹扫系统的发动机系统的出口串联布置的喷射器的吸入口处的流量。在一个示例中，可以通过基于喷射器吸入口处的流量调节废气再循环，基于喷射器的流动特性的流量和流量特性来减少在喷射器吸入口处对传感器的需要发动机系统。然后可以将来自发动机系统的气体的流速和还原剂浓度用作补偿由发动机进气通道中的喷射器出口下游的气体成分传感器所采取的稀释剂浓度测量的基础，例如。基于补偿的稀释剂浓度测量来改善废气再循环的调节。

7. 发明授权

US09027343B2 Approach for supplying vacuum via a supercharger 有权
标题翻译：通过增压器提供真空的方法
公开(公告)号：US09027343B2
公开(公告)日：2015-05-12
申请号：US13517818
申请日：2012-06-14
申请人： Ross Dykstra Pursifull
发明人： Ross Dykstra Pursifull
IPC分类号： F02B33/44 , F02D23/00 , F02M33/04 , F02B33/00 , F02B37/04 , F02B37/12 , F02D9/02 , F04F5/20 , F04F5/52 , F02B33/34 , F02B37/16 , F02B37/18 , F02B39/04 , F02D41/00 , F02D41/02
CPC分类号： F02B37/04 , F02B33/34 , F02B37/12 , F02B37/127 , F02B37/16 , F02B37/18 , F02B39/04 , F02B2037/125 , F02D9/02 , F02D23/00 , F02D41/0007 , F02D41/003 , F02D41/0065 , F02D41/021 , F02D2250/08 , F02D2250/41 , F04F5/20 , F04F5/52 , Y02T10/144
摘要： A method for supplying vacuum in an engine is disclosed. The method includes controlling a throttle valve positioned upstream of a supercharger arranged in series with and upstream of a turbocharger to draw a fluid from a vacuum line positioned intermediate the throttle valve and a supercharger inlet.
摘要翻译：公开了一种在发动机中提供真空的方法。该方法包括控制位于增压器上游的节流阀，所述增压器与涡轮增压器串联和上游设置，以从位于节流阀之间的真空管线和增压器入口抽取流体。

8. 发明授权

US08894735B2 Intake device for engine 有权
标题翻译：发动机进气装置
公开(公告)号：US08894735B2
公开(公告)日：2014-11-25
申请号：US13650615
申请日：2012-10-12
申请人： Yamabiko Corporation
发明人： Takahiro Yamazaki , Ken Shirai , Hisato Osawa , Yuji Numakunai
IPC分类号： F02M7/12 , F02M29/04 , F02M35/10 , F02M33/04 , F02M17/34 , F02M1/02
CPC分类号： F02M35/10196 , F02M1/02 , F02M17/34 , F02M29/04 , F02M33/04 , F02M35/1017 , F02M35/1019 , Y02T10/126 , Y10S55/28
摘要： The intake device for an engine includes a carburetor section and an air cleaner section. The carburetor section includes a body having an intake passage which has an opening communicating with the air cleaner section and a choke valve being a butterfly valve having a plate-like valve body. The air cleaner section includes an air filter, an air-flow chamber provided between the air filter and the intake passage, and a reverse-flow restriction surface provided within the air-flow chamber. The air cleaner section further includes a plate-like partition extending from a location near an air-cleaner side periphery of the valve body of the choke valve in the full-open position to a location near the reverse-flow restriction surface so as to continue the periphery.
摘要翻译：发动机的进气装置包括化油器部分和空气滤清器部分。化油器部分包括具有进气通道的主体，该进气通道具有与空气滤清器部分连通的开口和具有板状阀体的蝶阀的阻流阀。空气滤清器部分包括空气过滤器，设置在空气过滤器和进气通道之间的空气流动室以及设置在气流室内的逆流限制表面。空气滤清器部分还包括一个板状分隔板，该板状隔板从处于完全打开位置的阻流阀阀体的空气滤清器侧周边的位置延伸到靠近逆流限制表面的位置，以便继续周边。

9. 发明申请

US20140116399A1 METHOD AND SYSTEM FOR FUEL VAPOR MANAGEMENT 有权
标题翻译：燃料蒸汽管理方法与系统
公开(公告)号：US20140116399A1
公开(公告)日：2014-05-01
申请号：US13660884
申请日：2012-10-25
申请人： FORD GLOBAL TECHNOLOGIES, LLC
发明人： Joseph Norman Ulrey , Ross Dykstra Pursifull
IPC分类号： F02M33/04
CPC分类号： F02B37/164 , F01M13/022 , F01M2013/027 , F02M25/08 , Y02T10/144
摘要： Methods and systems are provided for shared handling of fuel vapor purge and crankcase ventilation in an engine system. Fuel vapors from each of a canister and a crankcase are drawn into an intake manifold in a common direction during both boosted and non-boosted engine operating conditions using vacuum drawn at various aspirators. Compressor bypass flow through a first aspirator is used to enhance vacuum produced during boosted conditions while throttle bypass flow through a second aspirator is used to enhance vacuum produced during non-boosted conditions.
摘要翻译：方法和系统被提供用于共享处理发动机系统中的燃料蒸气吹扫和曲轴箱通风。在增压和非增压发动机运行条件下，使用在各种吸气器处抽取的真空，将来自罐和曲轴箱中的每一个的燃料蒸汽在共同的方向被吸入进气歧管中。压缩机旁路通过第一吸气器的流动被用于增强在增压条件下产生的真空，同时通过第二吸气器的节气门旁通流被用于增强非增压条件下产生的真空。

10. 发明申请

US20140026866A1 METHOD AND SYSTEM FOR FUEL SYSTEM CONTROL 有权
标题翻译：燃油系统控制方法与系统
公开(公告)号：US20140026866A1
公开(公告)日：2014-01-30
申请号：US13559455
申请日：2012-07-26
申请人： Kenneth L. Pifher , Mark W. Peters
发明人： Kenneth L. Pifher , Mark W. Peters
IPC分类号： F02M33/04 , F17D1/16
CPC分类号： F02D41/0035 , B60K15/01 , B60K15/035 , B60W20/00 , B60Y2200/92 , F02D41/0032 , F02D41/004 , F02M25/0836 , F02M33/02 , Y10T137/0396
摘要： Methods and systems are provided for controlling a fuel system in a hybrid vehicle. Before canister purging is stopped by closing a purge valve, a canister vent valve is closed to hold fuel tank vacuum. Then, during a subsequent canister purge, the purge valve is opened before opening the vent valve, allowing canister purge to initiate under fuel tank vacuum conditions.
摘要翻译：提供了用于控制混合动力车辆中的燃料系统的方法和系统。在通过关闭排气阀来停止清洗罐之前，关闭一个罐排气阀以保持油箱真空。然后，在随后的清洗过程中，打开排气阀之前打开吹扫阀，允许在燃料箱真空条件下进行清洗。

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