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公开(公告)号：US10704494B2
公开(公告)日：2020-07-07
申请号：US16021675
申请日：2018-06-28
发明人： Toshio Murata , Koji Ichikawa
摘要： A heat recovery structure includes a pipe portion, a heat exchanging portion and an actuator. The pipe portion is inclined such that a side face of the pipe portion faces a diagonally lower side, and is configured such that exhaust gas from an engine circulates through the pipe portion. The heat exchanging portion is configured to communicate with the pipe portion and to perform heat-exchange between a heat medium and the exhaust gas flowing into the heat exchanging portion from the pipe portion such that the exhaust gas thus subjected to the heat-exchange with the heat medium flows out to the pipe portion. The actuator is configured to operate a selector valve configured to switch between a state where the exhaust gas circulates through the pipe portion and a state where the exhaust gas circulates through the heat exchanging portion.
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公开(公告)号：US20190301386A1
公开(公告)日：2019-10-03
申请号：US16361916
申请日：2019-03-22
发明人： Toshio Murata , Yuuichi Kaido , Keiichi Koshin , Masahiro Shirai , Koji Ichikawa
摘要： An exhaust heat recovery structure includes a first pipe through which exhaust gas from an engine flows; a second pipe that branches from the first pipe, the second pipe including a heat exchanger that implements heat exchange with the exhaust gas; and an opening and closing valve provided at the first pipe, the opening and closing valve adjusting flow amounts of the exhaust gas flowing into the second pipe, wherein the first pipe includes a first pipe body and a second pipe body that, are adjacent in a flow direction of the exhaust gas, and a join portion between the first pipe body and the second pipe body is provided along a circumferential direction of the first pipe.
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公开(公告)号：US20190113283A1
公开(公告)日：2019-04-18
申请号：US16160367
申请日：2018-10-15
发明人： Yoshihiro Koga , Toshio Murata
摘要： A heat exchanger includes a peripheral wall having a polygonal tube shape and partition walls that divide an inside of the peripheral wall into first cells and second cells, the first cells and the second cells extending in an axial direction of the peripheral wall. Ends of each of the first cells in the axial direction are sealed and adjacent ones of the first cells are in communication with one another so that the first cells constitute a first passage having a U-shaped cross section perpendicular to the axial direction. The first passage includes an inflow port and an outflow port that are open in the same surface of the peripheral wall. Each of the second cells constitutes a second passage including an inflow port and an outflow port provided respectively at ends of each of the second cells in the axial direction.
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公开(公告)号：US10077703B2
公开(公告)日：2018-09-18
申请号：US15209347
申请日：2016-07-13
发明人： Toshio Murata , Masakazu Shinkai , Takeshi Oya
CPC分类号： F01N5/02 , F01N3/0205 , F01N3/04 , F01N3/10 , F01N2230/04 , F01N2240/02 , F01N2530/18 , Y02A50/2322 , Y02T10/16 , Y02T10/20
摘要： An exhaust heat recovery device structure that includes: an exhaust heat recovery device main body that is disposed at an inner side of a floor tunnel formed at a vehicle transverse direction central portion of a floor panel, the exhaust heat recovery device main body carrying out heat exchange between cooling water and gas that is generated at an internal combustion engine of a vehicle; and a metal pipe that extends-out from the exhaust heat recovery device main body, the metal pipe being connected to one end of a resin hose whose another end is connected to the internal combustion engine, the connected portion that connects the metal pipe with the resin hose being provided to the metal pipe further toward a vehicle lower side than the exhaust heat recovery device main body, is provided.
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公开(公告)号：US10054026B2
公开(公告)日：2018-08-21
申请号：US15150697
申请日：2016-05-10
发明人： Toshio Murata , Tadashi Nakagawa
CPC分类号： F01N5/02 , F01N3/2889 , F01N2240/02 , F01N2240/36 , F01N2410/03 , F01N2410/06 , Y02T10/16
摘要： There is provided an exhaust heat recovery structure that may suppress boiling of coolant in a heat exchanger. The exhaust heat recovery structure includes a first pipe, a second pipe, a valve and a thermostat. Exhaust gas from an engine flows in the first pipe. The second pipe branches from the first pipe and a heat exchanger that exchanges heat between the coolant and exhaust gas is provided at the second pipe. The valve is provided at the first pipe or the second pipe. The valve adjusts a flow amount of exhaust gas flowing into the second pipe by opening and closing. The thermostat is equipped with a heat-sensing portion that is disposed inside the heat exchanger. When the temperature of the heat-sensing portion is high, the thermostat opens or closes the valve to reduce the flow amount of exhaust gas flowing into the second pipe.
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公开(公告)号：US10723199B2
公开(公告)日：2020-07-28
申请号：US15763503
申请日：2016-09-06
发明人： Yoshiki Kato , Masayuki Takeuchi , Keigo Sato , Koji Miura , Norihiko Enomoto , Kengo Sugimura , Ariel Marasigan , Ikuo Ozawa , Nobuharu Kakehashi , Yoshikazu Shinpo , Yoichi Onishi , Toshio Murata
摘要： A vehicular heat management device includes a first heat source, a second heat source, a heater core, a first heat medium pathway, a second heat medium pathway, a heater core pathway, a switching portion, and a control unit. The first heat source is provided in the first heat medium pathway, and the second heat source is provided in the second heat medium pathway. The heater core is provided in the heater core pathway. The switching portion switches between flowing connection and flowing disconnection. The control unit performs at least one of a switching control and a second heat source control when a temperature of the heat medium of the heater core pathway is at or above a predetermined temperature. In the switching control, the switching portion connects the second heat medium pathway to the heater core pathway. In the second heat source control, the second heat source generates heat.
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公开(公告)号：US10400662B2
公开(公告)日：2019-09-03
申请号：US15763850
申请日：2016-09-06
发明人： Norihiko Enomoto , Yoshiki Kato , Masayuki Takeuchi , Koji Miura , Keigo Sato , Kengo Sugimura , Nobuharu Kakehashi , Ikuo Ozawa , Ariel Marasigan , Yoshikazu Shinpo , Yoichi Onishi , Toshio Murata
IPC分类号： F01P7/16 , F01P3/20 , F02M26/23 , F01N5/02 , F01P3/18 , F01P5/10 , F01P11/02 , F01P5/12 , F01P7/14 , F02G5/02
摘要： A vehicular heat management device includes a first heat source, a second heat source, a first heat generator, a second heat generator, a heat generator pathway, a first heat source pathway, a second heat source pathway, and a switching portion. The first heat source and the second heat source heat a heat medium. The first heat generator generates heat according to operation. The second heat generator generates heat according to operation. The first heat generator and the second heat generator are provided in the heat generator pathway. The first heat generator is provided in the first heat generator pathway. The second heat generator is provided in the second heat generator pathway. The switching portion switches between a condition where the heat generator pathway is in flowing communication with the first heat generator pathway and a condition where the heat generator pathway is in flowing communication with the second heat generator pathway.
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公开(公告)号：US10280823B2
公开(公告)日：2019-05-07
申请号：US15213955
申请日：2016-07-19
发明人： Toshio Murata , Tadashi Nakagawa
摘要： The present disclosure provides an engine control device including: an adjustment section that adjusts a flow amount per unit time of exhaust gas from an engine; and a control section that, in a case in which a temperature below freezing point is detected by a temperature detection section that detects an external air temperature or an intake air temperature, a preceding engine operation duration is shorter than a first duration, and a value in a predetermined range in which water in an exhaust pipe can be drained by the flow amount being raised by a certain amount is detected by a value detection section that detects a value representing an acceleration, an accelerator opening or an engine rotation speed, controls the adjustment section so as to raise the flow amount by the certain amount until a second duration has passed from starting of the engine.
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公开(公告)号：US10982580B2
公开(公告)日：2021-04-20
申请号：US16012130
申请日：2018-06-19
发明人： Toshio Murata
摘要： In an exhaust heat recovery structure, a heat exchange portion (a tubular part) is configured such that a height of a lower inner surface is lowered from an inlet toward an outlet. Hence, when exhaust gas is condensed and condensed water is thereby generated inside the heat exchange portion (the tubular part), the condensed water flows from the inlet side toward the outlet side where the lower inner surface is lowered, and is then discharged to a piping part. Accordingly, the condensed water is unlikely to be collected inside the heat exchange portion.
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公开(公告)号：US10006328B2
公开(公告)日：2018-06-26
申请号：US14882912
申请日：2015-10-14
发明人： Takeshi Oya , Toshio Murata , Takato Ishihata
CPC分类号： F01N3/043 , F01N3/02 , F01N3/10 , F01N5/02 , F01N13/009 , F01N2240/02 , Y02A50/2322 , Y02T10/16 , Y02T10/20
摘要： An exhaust heat recovery device structure includes: an exhaust pipe; a catalytic converter that is connected to the exhaust pipe; an exhaust heat recovery device that is disposed further toward a vehicle rear side than the catalytic converter, and is disposed at an inner side of a floor tunnel that is formed at a vehicle floor portion, and a water pipe of cooling water is connected to a vehicle transverse direction one side of the exhaust heat recovery device, and the exhaust heat recovery device carries out heat exchange between the cooling water and the gas; and a connecting pipe that, at the inner side of the floor tunnel, connects the catalytic converter and the exhaust heat recovery device, and that is bent or curved toward the vehicle transverse direction one side with respect to a vehicle front side.
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