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公开(公告)号：US11745120B2
公开(公告)日：2023-09-05
申请号：US17187293
申请日：2021-02-26
发明人： Marco Elkenkamp , Zion Maffeo
CPC分类号： B01D19/0042 , F01P3/00
摘要： Methods and apparatus for de-gasification of vehicle cooling system using a coolant bottle are disclosed. The coolant bottle may include a coolant entrance port configured to be in fluid communication with the vehicle cooling system, and a coolant egress port configured to be in fluid communication with the vehicle cooling system. The coolant egress port is directly connected to the vehicle cooling system. The coolant bottle may further include a plurality of baffle plates placed to divide an interior of the coolant bottle into a plurality of coolant channels. Each baffle plate may include a plurality of apertures configured to provide fluid communication between the plurality of coolant channels.
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公开(公告)号：US11492953B1
公开(公告)日：2022-11-08
申请号：US17522438
申请日：2021-11-09
申请人： Caterpillar Inc.
摘要： Apparatuses and methods are disclosed including heat exchanger for an internal combustion engine. The heat exchanger can include a main body, a manifold and one or more outlet ports. The main body can have an inlet and an outlet to receive/pass a coolant on a first side thereof. The main body can have a fluid inlet and fluid outlet configured to receive a fluid. The main body can pass the fluid in a heat exchange relationship with the coolant. The manifold can be coupled to the main body on a second side. The manifold can be in fluid communication with a main coolant outlet passage to receive a portion of the coolant from the main body. The one or more outlet ports can be fluidly connected to the manifold and passing the portion of the coolant to one or more engine auxiliary systems.
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公开(公告)号：US20220195911A1
公开(公告)日：2022-06-23
申请号：US17552589
申请日：2021-12-16
摘要： An internal combustion system includes a control device having an accumulated amount of time measuring unit that measures an accumulated amount of time by measuring an amount of time when the temperature of the coolant measured by a temperature sensor is equal to or higher than a defined temperature and accumulating the amount of time measured, an exchange determination unit that determines that the coolant needs to be exchanged when the measured accumulated amount of time reaches or exceeds an upper-limit accumulated amount of time, and an upper-limit amount of time setting unit that sets the upper-limit accumulated amount of time for determination by the determination unit in accordance with the type of metal forming the flow channel where the coolant flows.
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公开(公告)号：US11365670B2
公开(公告)日：2022-06-21
申请号：US16584673
申请日：2019-09-26
发明人： Gene Neal , Kennieth Neal
IPC分类号： F01P3/20 , F01P3/00 , F01M1/10 , F01M5/02 , F01M5/00 , F01M11/03 , F01P5/10 , F01P11/12 , F01P11/08
摘要： A method of modifying the oil cooling system of a diesel engine includes the steps of removing the original equipment liquid-to-liquid heat exchanger and installing a manifold having a configuration adapted to match the mounting configuration of the oil passages of the original equipment liquid-to-liquid heat exchanger. The manifold has an oil outlet port directed to a remotely mounted oil cooler. The manifold also has a water passage having a configuration that is adapted to match the mounting configuration of the water passages of the original equipment liquid-to-liquid heat exchanger. The water passage causes the entirety of the flow of water to be discharged back to the water cooling system of the engine where it is circulated by the water pump through the water cooling passages in the engine.
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公开(公告)号：US11261780B2
公开(公告)日：2022-03-01
申请号：US16659628
申请日：2019-10-22
申请人： KUBOTA Corporation
IPC分类号： F01P3/12 , F01P11/08 , F02B39/14 , F02D41/00 , F01P3/02 , F02B39/00 , F02M35/10 , F01P3/00 , F02B39/16
摘要： There is provided an engine equipped with a supercharger that suppresses heat deterioration of engine oil. The engine equipped with a supercharger includes a supercharger; an oil supply passage that supplies engine oil to a shaft bearing part of the supercharger; an oil discharge passage that discharges the engine oil from the shaft bearing part of the supercharger; and a water-cooling-type oil cooler. The water-cooling-type oil cooler is provided in the oil discharge passage, and the engine oil discharged from the shaft bearing part of the supercharger is cooled by the engine cooling water that passes the water-cooling-type oil cooler. The engine cooling water is desirably supplied from the cylinder jacket to the water-cooling-type oil cooler.
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公开(公告)号：US11255344B2
公开(公告)日：2022-02-22
申请号：US16881402
申请日：2020-05-22
申请人： Frideco AG
摘要： A pump device, in particular an immersible pump device, includes at least one heat exchanger unit which is in at least one operation state configured for a heat exchange between a cooling fluid and a liquid that is to be pumped and which includes at least one cooling duct and at least one shaft receptacle having an axial direction, wherein a cross section surface area of the cooling duct changes by maximally 200% at least over a major portion of a course of the cooling duct.
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公开(公告)号：US11248564B2
公开(公告)日：2022-02-15
申请号：US16964028
申请日：2018-01-26
申请人： Carrier Corporation
发明人： Loic Renault
摘要： A governing system of an engine coolant control system in which first and second portions of coolant are pumped from an engine to a regulator and back to the engine and from the engine to a radiator and back to the engine, respectively, is provided. The governing system includes a temperature sensor of the engine to sense coolant temperatures, an ambient temperature sensor of the radiator to sense ambient temperatures, a heating element disposed to heat the first portion of the coolant at one of a location upstream from the regulator and the regulator, a valve operably disposed along a section of piping through which the first portion of the coolant flows from the engine to the regulator and a controller which controls operations of the heating element and the valve in accordance with the readings of the temperature sensor of the engine and the ambient temperature sensor.
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公开(公告)号：US11248515B2
公开(公告)日：2022-02-15
申请号：US16530862
申请日：2019-08-02
发明人： Abhijit Eknath Patil
摘要： Systems are provided for a piston cooling jet system for cooling a piston of a locomotive engine. In one example, a piston cooling jet system includes a feed body hydraulically coupled to an oil reservoir and a pair of piston cooling tubes extending radially outwards, in opposite directions, from the feed body. The tubes may have showerhead outlet features at one end for uniformly spraying oil onto inlets of a piston oil gallery housed in the piston.
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公开(公告)号：US11085347B2
公开(公告)日：2021-08-10
申请号：US16786666
申请日：2020-02-10
发明人： Hardy Naumann , Asmus Carstensen , Artur Semke
摘要： A drive unit for a motor vehicle that includes an internal combustion engine, which has a combustion engine and an exhaust gas line, via which exhaust gas can be removed from the combustion engine. A cyclic process device is provided for converting the thermal energy of the exhaust gas into mechanical work in a thermodynamic cyclic process, wherein a working medium with respect to its direction of flow flows through a first heat exchange device, in which a heat transfer from the exhaust gas to the working medium takes place, then flows through an expansion device, in which an expansion of the working medium and thereby the generation of the mechanical work take place, and then flows through a second heat exchange device, in which a heat transfer from the working medium to a cooling medium takes place.
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公开(公告)号：US11078866B1
公开(公告)日：2021-08-03
申请号：US17138416
申请日：2020-12-30
发明人： Yoshihisa Nou , Osamu Aoki , Yuji Harada , Kenji Uchida , Xiyao Ge
摘要： A combustion-chamber structure of an engine comprises a combustion chamber which is partitioned by a cylinder block, a cylinder head, and a piston. The piston includes a piston body having an upper surface facing the combustion chamber, a heat-insulation layer provided at least in a central area, in a radial direction, of the upper surface and having smaller heat conductivity than the piston body, a heat-barrier layer provided to cover the upper surface and having smaller heat conductivity than the piston body and the heat-insulation layer, and a heat-diffusion layer provided between the heat-insulation layer and the heat-barrier layer and having larger heat conductivity than the heat-insulation layer and the heat-barrier layer. The heat-diffusion layer comprises a side end edge and an extension portion which contact with the piston body.
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