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公开(公告)号：US08925499B2
公开(公告)日：2015-01-06
申请号：US13650641
申请日：2012-10-12
Applicant: GM Global Technology Operations LLC
Inventor： Luca Borgia , Carmine Pezzella
CPC classification number: F01P7/16 , G05D23/022 , G05D23/1333
Abstract: A wax-type thermostat for the cooling system of an internal combustion engine (ICE) is provided. The cooling system includes a radiator and a coolant loop circuit linking the radiator to the internal combustion engine, and having a by-pass conduit. The thermostat includes a thermostat body with a radiator inlet, an ICE inlet, via the by-pass conduit, and an ICE outlet. The thermostat further includes a piston integral to a closure element that opens or close a thermostat internal pathway connecting the radiator inlet to the ICE outlet, and a wax chamber thermally connected to the coolant within the thermostat body. The thermostat includes a first spring to return the closure element towards its closing position, and means for moving the piston when a volume variation in the wax occurs.
Abstract translation: 提供了一种用于内燃机（ICE）的冷却系统的蜡型恒温器。 冷却系统包括散热器和将散热器连接到内燃机并具有旁路管道的冷却剂回路电路。 恒温器包括具有散热器入口，ICE入口，通过旁路管道和ICE出口的恒温器本体。 恒温器还包括与封闭元件成一体的活塞，该活塞打开或关闭将散热器入口连接到ICE出口的恒温器内部路径，以及与恒温器主体内的冷却剂热连接的蜡室。 恒温器包括第一弹簧以将封闭元件朝向其关闭位置返回，以及当蜡发生体积变化时使活塞移动的装置。
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2.发明授权公开(公告)号：US08651069B2
公开(公告)日：2014-02-18
申请号：US13626694
申请日：2012-09-25
Applicant: GM Global Technology Operations LLC
Inventor： Luca Borgia , Carmine Pezzella
IPC: F01P7/02
CPC classification number: F01P7/167 , G05D23/1333
Abstract: A wax-type thermostat for the cooling system of an internal combustion engine (ICE) provided with a radiator and a coolant loop circuit linking the radiator to the ICE, and a by-pass conduit. The thermostat comprises a thermostat body with one inlet from the radiator, one inlet from the ICE, and one outlet to the ICE. The thermostat further comprises a closure element integral to a first piston that closes or opens a thermostat internal pathway running from the inlet from the radiator to the outlet to the ICE, a main wax chamber thermally connected to the coolant within the thermostat body, and a spring to return the closure element towards its closing position. Also provided is a first means for moving the first piston when a volume variation in the wax occurs.
Abstract translation: 一种用于内燃机（ICE）的冷却系统的蜡型恒温器，其具有散热器和将散热器连接到ICE的冷却剂回路电路以及旁路管道。 恒温器包括恒温器体，其具有来自散热器的一个入口，来自ICE的一个入口和一个到ICE的出口。 恒温器还包括与第一活塞一体的闭合元件，其关闭或打开从散热器到出口到ICE的入口的恒温器内部通路，热连接到恒温器主体内的冷却剂的主蜡室，以及 弹簧将闭合元件返回到其关闭位置。 还提供了当蜡发生体积变化时移动第一活塞的第一装置。
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3.发明申请公开(公告)号：US20190120153A1
公开(公告)日：2019-04-25
申请号：US15790620
申请日：2017-10-23
Applicant: GM Global Technology Operations LLC
Inventor： Luca Borgia , Giovanni Basso , Michele Meloni
Abstract: A system and method to perform bypass actuation detection includes alternating control of a bypass valve within an exhaust gas recirculation (EGR) system of a vehicle to direct flow of gas through a cooler module or a bypass module within the EGR system. The method also includes determining a position of an EGR valve that directs the gas into the EGR system, and verifying operation of the bypass valve based on the position of the EGR valve.
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4.发明授权公开(公告)号：US10247119B1
公开(公告)日：2019-04-02
申请号：US15790620
申请日：2017-10-23
Applicant: GM Global Technology Operations LLC
Inventor： Luca Borgia , Giovanni Basso , Michele Meloni
Abstract: A system and method to perform bypass actuation detection includes alternating control of a bypass valve within an exhaust gas recirculation (EGR) system of a vehicle to direct flow of gas through a cooler module or a bypass module within the EGR system. The method also includes determining a position of an EGR valve that directs the gas into the EGR system, and verifying operation of the bypass valve based on the position of the EGR valve.
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