WO2013180283A1 - Dispositif de mise en température pour moteur - Google Patents

Dispositif de mise en température pour moteur Download PDF

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Publication number
WO2013180283A1
WO2013180283A1 PCT/JP2013/065225 JP2013065225W WO2013180283A1 WO 2013180283 A1 WO2013180283 A1 WO 2013180283A1 JP 2013065225 W JP2013065225 W JP 2013065225W WO 2013180283 A1 WO2013180283 A1 WO 2013180283A1
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WO
WIPO (PCT)
Prior art keywords
cooling water
flow path
exhaust
heat exchange
exhaust passage
Prior art date
Application number
PCT/JP2013/065225
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English (en)
Japanese (ja)
Inventor
俊貴 民部
進作 山口
Original Assignee
いすゞ自動車株式会社
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Filing date
Publication date
Application filed by いすゞ自動車株式会社 filed Critical いすゞ自動車株式会社
Publication of WO2013180283A1 publication Critical patent/WO2013180283A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N19/00—Starting aids for combustion engines, not otherwise provided for
    • F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
    • F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
    • F02N19/10—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of engine coolants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/02—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
    • F01N2410/03—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device in case of low temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2037/00—Controlling
    • F01P2037/02—Controlling starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2060/00—Cooling circuits using auxiliaries
    • F01P2060/16—Outlet manifold
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the present invention relates to an engine warm-up device, and more particularly to an engine warm-up device that recovers waste heat and heats cooling water.
  • JP 2004-301061 A Japanese Patent Laid-Open No. 11-13471
  • the present invention has been made in view of these points, and an object of the present invention is to provide an engine warm-up device that can effectively improve fuel efficiency while promoting warm-up.
  • a warming-up device for an engine of the present invention is provided in an exhaust passage of the engine, and a heat exchange passage for exchanging heat between exhaust flowing through the exhaust passage and circulating coolant.
  • a first cooling water passage formed in the cylinder block of the engine and for flowing cooling water through the cylinder block, a cooling water outlet portion of the heat exchange passage, and a cooling water inlet portion of the first cooling water passage
  • a second cooling water channel connecting the first cooling water channel, a third cooling water channel connecting the cooling water outlet of the first cooling water channel and the cooling water inlet of the heat exchange channel, and the second And a pump for pumping the cooling water provided in the cooling water passage or the third cooling water passage.
  • a flow for switching an exhaust flow path provided at a branch exhaust passage formed by branching from an exhaust passage upstream of the heat exchange flow path and the exhaust passage and the branched exhaust passage.
  • a flow path switching valve, and the flow path switching valve opens the exhaust flow path when the temperature of the cooling water heated in the heat exchange flow path is equal to or lower than a predetermined upper limit threshold value that prevents boiling of the cooling water.
  • the exhaust passage provided with the heat exchange flow path is switched to the branch exhaust passage when the temperature of the cooling water heated in the heat exchange flow path becomes higher than the upper limit threshold. It may be.
  • an exhaust purification catalyst for purifying exhaust gas may be provided in the exhaust passage, and the heat exchange flow path may be provided in an exhaust passage downstream of the exhaust purification catalyst.
  • the engine warm-up device of the present invention it is possible to effectively improve fuel efficiency while promoting warm-up.
  • FIG. 1 It is a typical whole lineblock diagram showing the warming-up device of the engine concerning one embodiment of the present invention.
  • (a) is a diagram illustrating an exhaust flow path when the exhaust flow path switching valve is turned on, and (b) is an exhaust flow when the exhaust flow path switching valve is turned off. It is a figure explaining a path.
  • (a) is a diagram illustrating a cooling water circuit at the start of warming up
  • (b) is a diagram illustrating a cooling water circuit at the time of continuing warming up
  • (c) is when warming up is completed. It is a figure explaining the cooling water circuit.
  • It is a flowchart which shows the control content which concerns on one Embodiment of this invention.
  • It is a typical whole block diagram which shows the warming-up apparatus of the engine which concerns on other embodiment of this invention.
  • an oxidation catalyst Diesel ⁇ ⁇ ⁇ ⁇ Oxidation Catalyst: hereinafter referred to as DOC) 12, diesel particulates, A filter (Diesel Particulate Filter, hereinafter referred to as DPF) 13 and a selective reduction catalyst (hereinafter referred to as SCR) 14 are provided.
  • DOC oxidation catalyst
  • DPF Diesel Particulate Filter
  • SCR selective reduction catalyst
  • DOC12 generates the NO 2 to oxidize NO in the exhaust, to NO in the exhaust to increase the proportion of NO 2, functions to raise the denitration efficiency by SCR 14.
  • the DPF 13 collects particulate matter (hereinafter referred to as PM) in the exhaust gas, and when the collected amount of PM exceeds a predetermined amount, regeneration is performed by removing the accumulated PM by incineration.
  • the regeneration of the DPF 13 is performed by supplying unburned fuel to the DOC 12 on the upstream side of the exhaust by post-injection and increasing the exhaust temperature by heat due to oxidation.
  • the SCR 14 adsorbs ammonia generated from urea water sprayed in the exhaust passage 11 by a urea water injector (not shown) and reduces and purifies NOx from the exhaust gas passing through the adsorbed ammonia.
  • the warm-up device 20 includes a heat exchange exhaust passage 11a, a branch exhaust passage 11b, an exhaust passage switching valve 21, a waste heat recovery heat exchange passage 22, an upstream cooling water passage 23, and a cylinder block.
  • a flow path 24, a water pump 32, a downstream cooling water flow path 25, a radiator flow path 26, a bypass flow path 27, a cooling water temperature sensor 35, and an electronic control unit (hereinafter referred to as ECU) 40 are provided. ing.
  • the cylinder block flow path 24 is the first cooling water flow path of the present invention
  • the upstream cooling water flow path 23 is the second cooling water flow path of the present invention
  • the downstream cooling water flow path 25 is the present invention. This corresponds to the third cooling water flow path.
  • the heat exchange exhaust passage 11a is formed in the exhaust passage 11 on the exhaust downstream side of the SCR 14 and a silencer (not shown). In the heat exchange exhaust passage 11a, a waste heat recovery heat exchange passage 22 described later in detail is interposed.
  • the branch exhaust passage 11b is branched from the exhaust passage 11 located between the SCR 14 and the waste heat recovery heat exchange passage 22.
  • the branch exhaust passage 11b and the heat exchange exhaust passage 11a also function as a tail pipe that discharges the exhaust to the outside.
  • the exhaust passage switching valve 21 is, for example, a known butterfly valve, and is provided at a branch portion between the heat exchange exhaust passage 11a and the branch exhaust passage 11b.
  • the exhaust flow path switching valve 21 When the exhaust flow path switching valve 21 is turned on in response to an instruction signal input from the ECU 40, the upstream end of the branch exhaust passage 11b is closed. That is, the exhaust gas from the SCR 14 flows into the heat exchange exhaust passage 11a and is released to the outside air (see FIG. 2A).
  • the exhaust flow path switching valve 21 is turned OFF in response to an instruction signal input from the ECU 40, the upstream end of the heat exchange exhaust passage 11a is closed. That is, the exhaust gas from the SCR 14 flows into the branch exhaust passage 11b and is released to the outside air (see FIG. 2B).
  • the waste heat recovery heat exchange flow path 22 performs heat exchange between the cooling water flowing through the flow path and the exhaust gas flowing through the heat exchange exhaust passage 11a, and is disposed in the heat exchange exhaust passage 11a. It is formed to meander.
  • the waste heat recovery heat exchange flow path 22 is provided on the exhaust downstream side of the SCR 14, so that the SCR 14 becomes lower than the catalyst activation temperature due to a decrease in exhaust temperature due to waste heat recovery. Can be prevented.
  • the upstream cooling water flow path 23 supplies the cooling water whose temperature has been raised by heat exchange with the exhaust gas in the waste heat recovery heat exchange flow path 22 to the in-cylinder block flow path 24. Therefore, the upstream side cooling water flow path 23 is connected at its upstream end to the cooling water outlet of the heat exchange flow path 22 for waste heat recovery, and the downstream end is connected to the cooling water inlet of the flow path 24 in the cylinder block. Connected to the department.
  • the in-cylinder block flow path 24 circulates cooling water flowing from the upstream cooling water flow path 23 through a water jacket (not shown), and is formed in the cylinder block of the engine 10.
  • the water pump 32 pumps and supplies cooling water, and is provided adjacent to the cooling water inlet of the in-cylinder block flow path 24.
  • the water pump 32 is driven by power transmitted from a crankshaft (not shown) of the engine 10.
  • the downstream cooling water flow path 25 allows the cooling water that has flowed through the cylinder block flow path 24 to flow into the heat exchange flow path 22 for waste heat recovery. Therefore, the downstream side cooling water passage 25 is connected at its upstream end to the cooling water outlet portion of the in-cylinder block passage 24 and at the downstream end thereof to the cooling water inlet of the heat exchange passage 22 for waste heat recovery. Connected to the department.
  • the radiator flow path 26 allows cooling water to flow into the radiator 31 that performs heat exchange between the cooling water and the outside air, and connects the upstream side of the downstream cooling water path 25 and the downstream side of the upstream cooling water path 23.
  • a known thermostat 33 is provided at a branch portion between the radiator flow path 26 and the downstream-side cooling water flow path 25. The thermostat 33 opens when the cooling water temperature reaches 65 ° C. or higher, and switches the cooling water flow path from the downstream cooling water flow path 25 to the radiator flow path 26.
  • the bypass flow path 27 bypasses the cooling water flow path from the radiator 31 and communicates the upstream side and the downstream side of the radiator flow path 26 with respect to the radiator 31.
  • a known thermostat 34 is provided at a branch portion between the bypass flow path 27 and the radiator flow path 26. The thermostat 34 opens when the cooling water temperature reaches 87 ° C. or higher, and switches the cooling water flow path from the bypass flow path 27 to the radiator flow path 26.
  • the cooling water when the cooling water temperature is less than 65 ° C., the cooling water is the waste heat recovery heat exchange flow path 22 to the upstream cooling water flow path 23 to the cylinder block internal flow path 24 to the downstream cooling water flow path 25. It circulates through the cooling water circuit at the time of the warming-up start comprised by (refer Fig.3 (a)).
  • the cooling water flows to the radiator block upstream from the downstream cooling water passage 25 to the thermostat 34 upstream from the in-cylinder block passage 24 to the thermostat 33. It is composed of a radiator flow path 26 on the downstream side of the junction with the passage 26 to the bypass flow path 27 to the bypass flow path 27 to an upstream side cooling water flow path 23 on the downstream side of the junction with the radiator flow path 26. Circulates through the cooling water circuit when the warm-up continues (see FIG. 3B).
  • the cooling water merges with the cylinder block internal flow path 24 to the downstream cooling water flow path 25 upstream of the thermostat 33 to the radiator flow path 26 to the radiator flow path 26. It circulates in the cooling water circuit at the time of completion of warm-up constituted by the upstream side cooling water flow path 23 on the downstream side of the section (see FIG. 3C).
  • the cooling water temperature sensor 35 detects the temperature of the cooling water heated by the heat exchange with the exhaust gas, and is provided in the upstream cooling water passage 23 adjacent to the cooling water outlet portion of the heat exchange passage 22 for waste heat recovery. Is provided. Coolant temperature T CO detected by the coolant temperature sensor 35 is inputted to the electrically connected ECU 40.
  • the ECU 40 performs various controls such as fuel injection of the engine 10, and includes a known CPU, ROM, RAM, input port, output port, and the like. In order to perform these various controls, output signals of various sensors are input to the ECU 40.
  • ECU 40 depending on the coolant temperature T CO detected by the coolant temperature sensor 35, and controls the exhaust flow switching valve 21. More specifically, the ECU 40 stores a temperature (for example, 80 ° C.) that prevents boiling of the cooling water as the cooling water temperature upper limit threshold T LIM1 . ECU40, the cooling water temperature T CO input from coolant temperature sensor 35 when the cooling water temperature upper threshold T LIM1 following inputs an instruction signal to the ON exhaust flow switching valve 21. That is, the upstream end of the branch exhaust passage 11b is closed, and the exhaust flows into the heat exchange exhaust passage 11a (see FIG. 2A).
  • a temperature for example, 80 ° C.
  • cooling water temperature T CO input from coolant temperature sensor 35 is more than the cooling water temperature upper threshold T LIM1
  • ECU 40 inputs an instruction signal to the OFF exhaust flow switching valve 21. That is, the upstream end of the heat exchange exhaust passage 11a is closed, and the exhaust flows into the branch exhaust passage 11b (see FIG. 2B).
  • step (hereinafter, step is simply referred to as S) 100 the water pump 32 is driven by starting the engine 10, and an instruction signal for turning on the exhaust flow path switching valve 21 is input from the ECU 40. That is, the temperature of the cooling water is raised by heat exchange with the exhaust gas in the waste heat recovery heat exchange flow path 22, and the raised cooling water is transferred to the cylinder block flow path 24 via the upstream side cooling water flow path 23. Then, the engine 10 is warmed up by waste heat recovery. At this time, the cooling water circulates through a cooling water circuit (see FIG. 3A) at the start of warm-up that bypasses the radiator flow path 26 and the bypass flow path 27.
  • a cooling water circuit see FIG. 3A
  • the thermostat 33 is opened in S110. That is, the cooling water circulates through the cooling water circuit (see FIG. 3B) during the warming-up that bypasses the radiator 30 and the waste heat recovery heat exchange passage 22.
  • the thermostat 34 opens in S140. That is, the cooling water circulates through the cooling water circuit (see FIG. 3C) at the time of completion of warming that bypasses the bypass flow path 31 and flows through the radiator 30, and this control is returned.
  • cooling water is bypassed from the radiator and the engine speed is set high to promote warm-up.
  • the cooling water is effectively heated by heat exchange with the exhaust gas in the waste heat recovery heat exchange passage 22 without increasing the engine speed during the warm-up operation. To promote warm-up.
  • the warming-up device 20 of the present embodiment it is possible to efficiently heat the cooling water by waste heat recovery and complete warming up early without increasing the engine speed, and during warming-up operation.
  • the fuel consumption can be effectively improved.
  • the waste heat recovery heat exchange passage 22 for performing heat exchange between the cooling water and the exhaust is provided on the exhaust downstream side of the SCR 14.
  • the exhaust gas (NOx emission) is effectively prevented from deteriorating by avoiding the SCR 14 from lowering than the catalyst activation temperature due to a decrease in exhaust temperature due to waste heat recovery. can do.
  • the exhaust passage is switched from the heat exchange exhaust passage 11a to the branch exhaust passage 11b, and the heat of the exhaust and the cooling water is changed. The exchange is stopped.
  • the warm-up device 20 of the present embodiment it is possible to reliably avoid the cooling water from being heated more than necessary due to waste heat recovery and boiling.
  • heat exchange exhaust passage 11a and the branch exhaust passage 11b have been described as being formed in the exhaust passage 11 on the exhaust downstream side of the silencer, they may be formed immediately downstream of the SCR 14, and the catalyst heater If provided, it may be formed on the exhaust upstream side of the SCR 14.
  • an electric pump 38 may be provided in the downstream cooling water passage 25 and an electromagnetic clutch 39 capable of connecting / disconnecting the power transmitted from the engine 10 to the water pump 32 may be provided.
  • the electromagnetic clutch 39 is disengaged during the warm-up operation to stop the driving of the water pump 32, and if the cooling water is pumped only by the electric pump 38, the engine load is reduced and the fuel efficiency during the warm-up operation is reduced. This can be further improved.
  • the engine 10 is not limited to a diesel engine, and may be a gasoline engine or the like.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

L'invention porte sur un dispositif de mise en température pour un moteur, qui favorise la mise en température et améliore efficacement le rendement en carburant. Le dispositif de mise en température pour un moteur est disposé dans le passage d'échappement (11) du moteur (10) et comprend : un trajet d'écoulement à échange de chaleur pour la récupération de chaleur perdue (32), qui échange de la chaleur entre l'air d'échappement et l'eau de refroidissement ; un trajet d'écoulement interne de bloc-cylindres (24) formé dans le bloc-cylindres du moteur (10) et qui fait circuler l'eau de refroidissement à l'intérieur du bloc-cylindres ; un trajet d'écoulement d'eau de refroidissement côté amont (23) qui relie une partie de sortie d'eau de refroidissement du trajet d'écoulement à échange de chaleur pour la récupération de chaleur perdue (22) et une partie d'entrée d'eau de refroidissement du trajet d'écoulement interne de bloc-cylindres (24) ; un trajet d'écoulement d'eau de refroidissement côté aval (25) qui relie une partie de sortie d'eau de refroidissement du trajet d'écoulement interne de bloc-cylindres (24) et une partie d'entrée d'eau de refroidissement du trajet d'écoulement à échange de chaleur pour la récupération de chaleur perdue (22) ; et une pompe à eau (32) montée dans le trajet d'écoulement d'eau de refroidissement côté amont (23) et qui fournit sous pression l'eau de refroidissement.
PCT/JP2013/065225 2012-06-01 2013-05-31 Dispositif de mise en température pour moteur WO2013180283A1 (fr)

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JP2012126042A JP6056201B2 (ja) 2012-06-01 2012-06-01 エンジンの暖機装置
JP2012-126042 2012-06-01

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CN104763502A (zh) * 2015-03-08 2015-07-08 北京工业大学 一种车用吸附器进气温度控制系统
CN106968863A (zh) * 2017-02-16 2017-07-21 浙江吉利汽车研究院有限公司 一种发动机冷却液加热系统
CN109611183A (zh) * 2019-02-20 2019-04-12 兰州工业学院 一种汽车尾气回收利用装置
CN111765029A (zh) * 2020-05-25 2020-10-13 中国第一汽车股份有限公司 一种冷却液预热和余热回收装置及车辆
EP3770397A4 (fr) * 2018-03-19 2021-01-27 Nissan Motor Co., Ltd. Procédé de commande de moteur à combustion interne et dispositif de commande de moteur à combustion interne

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JP2009270522A (ja) * 2008-05-09 2009-11-19 Calsonic Kansei Corp 廃熱回収装置

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JP2008175125A (ja) * 2007-01-18 2008-07-31 Toyota Motor Corp 内燃機関の排気熱回収装置
JP2008231942A (ja) * 2007-03-16 2008-10-02 Toyota Motor Corp 内燃機関の冷却装置
JP2009270522A (ja) * 2008-05-09 2009-11-19 Calsonic Kansei Corp 廃熱回収装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104763502A (zh) * 2015-03-08 2015-07-08 北京工业大学 一种车用吸附器进气温度控制系统
CN106968863A (zh) * 2017-02-16 2017-07-21 浙江吉利汽车研究院有限公司 一种发动机冷却液加热系统
EP3770397A4 (fr) * 2018-03-19 2021-01-27 Nissan Motor Co., Ltd. Procédé de commande de moteur à combustion interne et dispositif de commande de moteur à combustion interne
US11092058B1 (en) 2018-03-19 2021-08-17 Nissan Motor Co., Ltd. Internal combustion engine control method and internal combustion engine control device
CN109611183A (zh) * 2019-02-20 2019-04-12 兰州工业学院 一种汽车尾气回收利用装置
CN109611183B (zh) * 2019-02-20 2024-03-12 兰州工业学院 一种汽车尾气回收利用装置
CN111765029A (zh) * 2020-05-25 2020-10-13 中国第一汽车股份有限公司 一种冷却液预热和余热回收装置及车辆
CN111765029B (zh) * 2020-05-25 2022-02-15 中国第一汽车股份有限公司 一种冷却液预热和余热回收装置及车辆

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