WO2003095810A1 - Thermostat a commande electronique - Google Patents
Thermostat a commande electronique Download PDFInfo
- Publication number
- WO2003095810A1 WO2003095810A1 PCT/JP2003/002957 JP0302957W WO03095810A1 WO 2003095810 A1 WO2003095810 A1 WO 2003095810A1 JP 0302957 W JP0302957 W JP 0302957W WO 03095810 A1 WO03095810 A1 WO 03095810A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cooling water
- temperature
- thermostat
- housing
- temperature sensing
- Prior art date
Links
Classifications
-
- 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
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/167—Controlling of coolant flow the coolant being liquid by thermostatic control by adjusting the pre-set temperature according to engine parameters, e.g. engine load, engine speed
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/01—Control of temperature without auxiliary power
- G05D23/13—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures
- G05D23/1306—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids
- G05D23/132—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element
- G05D23/1333—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element measuring the temperature of incoming fluid
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
-
- 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
- F01P2070/00—Details
- F01P2070/04—Details using electrical heating elements
Definitions
- the present invention relates to an engine cooling system that circulates cooling water for cooling an internal combustion engine (hereinafter, referred to as an engine) used in an automobile or the like with a heat exchanger (hereinafter, referred to as a radiator). It relates to an electronic control thermostat used for arbitrarily variable control.
- an engine cooling system that circulates cooling water for cooling an internal combustion engine (hereinafter, referred to as an engine) used in an automobile or the like with a heat exchanger (hereinafter, referred to as a radiator). It relates to an electronic control thermostat used for arbitrarily variable control.
- a water-cooled cooling system using a radiator is generally used to cool it.
- a thermostat using a thermal expansion body that adjusts the amount of cooling water circulated to the radiator side or a valve unit that is electrically controlled so that the temperature of the cooling water introduced into the engine can be controlled Is used.
- a thermostat using the above-mentioned thermal expansion body or a control valve such as a valve unit that is electrically controlled is interposed in a part of the cooling water passage, for example, the inlet or outlet side of the engine, and the cooling water temperature is low.
- the control valve When the control valve is closed, the cooling water is circulated through the bypass passage without passing through the radiator, and when the cooling water temperature becomes high, the control valve is opened to circulate the cooling water through the radiator.
- the temperature of the cooling water can be controlled to a required state.
- the above-described thermostat includes a sensor case that has a built-in thermal expansion body that expands and contracts in response to a change in the temperature of cooling water facing the circulation flow path of the cooling system.
- the valve has the function of opening and closing the valve body by the volume change accompanying the above, and maintaining the cooling water at a predetermined temperature.
- FIG. 10 shows an example of a conventional thermostat device.
- the thermostat device 1A includes a thermostat operating portion 30 which is a driving portion of a valve element in valve housings 31 and 32 formed of two members.
- the thermostat operating portion 30 is fixed to the valve housing 32, and the first valve body 33 and the second valve body 35 are operated by an operating piston (not shown) provided in the thermostat operating portion 30. (Bypass valve) to selectively connect and disconnect the main passage 34 and the bypass passage 36.
- the housing 37 of the thermostat operating portion 30 is held by a holder 39, and the holder 39 surrounds the end of the housing 37 opposite to the side on which the operating bisten projects in a cap shape. are doing.
- the cap-shaped holder 39 is supported by the valve housing 32.
- the first valve body 33 is provided with a central region having a pot-like cross section, and a thermostat operating portion 30 is disposed at the central portion. In this central region, when the first valve body 33 is in the closed position, the main passage 34 is shut off together with the holder 39.
- a bolt 38 is provided on the axial extension of an operating piston (not shown) of the thermostat operating section 30, and a second valve element 35 (bypass) is provided on the bonolet 38 by a sliding guide. Valve) is installed to open and close the bypass passage 36.
- the second valve body 35 (bypass valve) is urged by the panel member 41.
- the first valve element 33 is urged by a panel member 40, and the panel member 40 is supported by the valve housing 31.
- the cooling water flowing from the radiator outlet side through the sleeve 42 passes through the main passage 34 and from the sleeve 43 to the engine inlet side.
- the coolant is circulated, or the cooling water from the engine outlet side flows in from the bypass passage 36 and is circulated and supplied from the sleeve 43 to the engine inlet side.
- the cooling water flowing from the radiator outlet side has a low temperature, so that the wax in the housing 37 is in a contracted state.
- the passage 34 is shut off, and the second valve body 35 (bypass valve) opens the bypass passage 36. Therefore, the cooling water flowing from the bypass passage 36 is directly returned to the engine inlet side via the sleeve 43.
- the cooling water reaches a predetermined temperature after the operation of the machine, the wax in the housing 37 expands due to this temperature, and the working piston (not shown) of the thermostat working part 30 is extended.
- a means for heating 44 is provided in the housing 37, and the means for heating 44 is made to protrude from the valve housing 32 so that the heating element is heated.
- the means for heating 44 is made to protrude from the valve housing 32 so that the heating element is heated.
- children 45 are connected.
- the cooling water from the engine outlet side and the cooling water from the radiator outlet may be mixed in the vicinity of the housing 37 to cause a hunting phenomenon. If this phenomenon occurs, the temperature of the cooling water flowing into the engine inlet will not be stable, making it difficult to improve fuel efficiency and to immediately warm the cooling water. As measures to prevent this, it was necessary to devise the structure of the valve housing 32 to mix cooling water immediately before the housing 37, which is a temperature sensing part, and to install a flow straightening plate called a baffle plate.
- the thermostat device 1A when the thermostat device 1A is disposed as an entrance control, the cooling water flowing from the engine may be sensed, which may cause a malfunction such as an ochute.
- the applicant of the present invention has proposed Japanese Patent Application Laid-Open No. 2001-313173, etc., and in this prior example, the first valve body and the second valve body have been proposed.
- the temperature sensing part of the thermo element for operating the main shaft that controls the opening and closing of the body touches only the cooling water from the engine outlet side and does not directly contact the cooling water from the radiator outlet side to sense the temperature
- a heating element is mounted on the temperature sensing portion, and the heating element of the heating element is controlled to open and close the first valve body and the second valve body.
- thermoelement since the thermoelement is not disposed in the housing, the flow resistance of the cooling water inside the housing can be reduced, and the cooling water is mixed just before the housing, which is a temperature sensing part. This has the advantage of improving the structure of the valve housing and eliminating the need to install a flow straightening plate.
- the heating element is adapted to various driving conditions of an automobile.
- the following inconveniences were encountered in configuring an electronically controlled thermostat capable of arbitrarily variably controlling the temperature of the engine cooling water by controlling the operation accordingly.
- thermo-element is made of a resin member so as not to be affected by the temperature of the cooling water from the radiator which may affect the variable control performance of the cooling water temperature by electronic control. It covers with the aim of the heat insulation effect.
- the valve is opened without detecting this, and cooling water that is colder than necessary is supplied to the engine. Therefore, there is a concern that the engine may be damaged, leading to malfunction of the mission.
- a temperature sensor that can detect the temperature of the cooling water from the radiator outlet side should be provided, and the detected value can be electronically controlled as a parameter, but the number of parts increases and the cost increases. Becomes
- the present invention has been made in view of such circumstances, and its purpose is to achieve immediate heating of the cooling water even when the engine is started, to improve fuel efficiency, and to further improve the cooling water.
- electronic control can be operated properly and reliably according to operating conditions including the temperature of cooling water from the radiator outlet side, and has a simple structure and is inexpensive. The purpose is to obtain a thermostat. Disclosure of the invention
- the electronic control thermostat is used in an engine cooling water temperature control system that arbitrarily controls the cooling water temperature according to the state of the engine.
- a thermo element having a piston for opening and closing a first valve body and a second valve body for switching a flow path of cooling water by sensing a temperature of the cooling water in a housing;
- An element guide member for holding the thermoelement in the housing; and an element guide member configured to be separated from a flow path through which cooling water flows on the outlet side of the radiator by the element guide member, and the element temperature sensing portion is provided.
- a temperature-sensing chamber disposed facing the radiator outlet from the flow path; The heat transfer means for transmitting the heat to the temperature sensing part is provided.
- the electronic control thermostat according to the present invention (the invention according to claim 2) is the electronic control thermostat according to claim 1, wherein a hole or a cutout is formed in a part of an element guide member as the heat transfer means.
- the cooling water circulation part formed by doing so is provided.
- the electronic control thermostat according to the present invention (the invention according to claim 3) is the electronic control thermostat according to claim 1, wherein the element guide member is made of a material having excellent heat conductivity as the heat transfer means. It is characterized by having been formed.
- An electronic control thermostat according to the present invention is the electronic control thermostat according to claim 1, 2, or 3, wherein the element temperature-sensing section is externally controlled. A heating element is mounted.
- the temperature of the cooling water on the outlet side of the radiator is controlled with respect to the element temperature sensing portion in the temperature-sensitive chamber which is isolated from the flow path of the cooling water on the outlet side of the radiator inside the housing.
- a sensor and control unit required to detect the temperature at the radiator outlet side is not required, and the radiator outlet
- the temperature of the cooling water on the side is appropriately and reliably sensed by the temperature sensing part of the thermoelement, and the conditions can be added to the operation of the thermoelement. Therefore, the variable temperature control of the cooling water as the electronic control thermostat can be appropriately performed, and the structure for configuring the thermostat can be simplified, and the cost can be reduced.
- FIG. 1 is a longitudinal sectional view showing a first embodiment of an electronic control thermostat according to the present invention, and showing a cross section of a main part (a line II in FIG. 5).
- FIG. 2 is a vertical cross-sectional view showing a state where the cross section is taken at a position different from that of FIG. 1 (line II-II in FIG. 5).
- FIG. 3 shows an element guide member which is a feature of the present invention, wherein (a) is a cross-sectional view of a main part, (b) is a bottom view thereof, and (c) is a view showing a modification thereof.
- FIG. 4 is a schematic side view showing a first embodiment of the thermostat device according to the present invention.
- FIG. 5 is a schematic plan view of the thermostat device of FIG.
- FIG. 6 shows a second embodiment of the thermostat device according to the present invention, and is a longitudinal sectional view corresponding to FIG.
- FIG. 7 shows a second embodiment, and is a longitudinal sectional view corresponding to FIG.
- FIG. 8 is a sectional view of a port-type thermostat device having a conventional bypass structure.
- an electronic control thermostat 1 has a housing 10 of a main body integrally formed of a resin material such as a heat-resistant plastic, and a sensor provided inside an element 4 for sensing a cooling fluid. It is composed of a valve drive unit 20 that opens and closes the main valve element (first valve element) 11 and the bottom bypass valve element (second valve element) 18 by expansion of wax (not shown) that is a warm part. .
- a valve drive unit 20 that opens and closes the main valve element (first valve element) 11 and the bottom bypass valve element (second valve element) 18 by expansion of wax (not shown) that is a warm part.
- the housing 10 of the electronically controlled thermostat 1 is injection-molded with a resin material such as a heat-resistant plastic which can sufficiently withstand the temperature of the cooling water at a high temperature as described above. It is also possible to use metal for some applications.
- the housing 10 includes a bypass sleeve 12 for allowing cooling water from the engine outlet side to flow directly into the thermostat device 1 when the engine is started, and a thermostat device for cooling water from the radiator outlet side after the engine is warmed up. Cooling from the sub-flow path 8 and the radiator outlet side for allowing the cooling water flowing from the main sleeve 5 to flow into the engine 1 and the cooling water flowing from the bypass sleeve 1 2 and coming into contact with a part of the temperature sensing part of the element 4 to the engine A main passage 3 (see Fig. 2) is formed to allow water to flow to the engine inlet side.
- valve drive unit 20 Inside the housing 10, there is an engine outlet flowing through the bypass sleeve 12.
- An inverted-concave element storage portion is formed so as to be able to hold the element 4 itself so that the cooling water on the mouth side comes into contact with only a part of the temperature sensing portion of the element 4. This part becomes the temperature sensing room where the element temperature sensing part is located.
- a connector connecting portion 13 for supplying power to the heating element 14 for forcibly heating the element 4 is formed on an outer portion of the housing 10.
- the valve drive unit 20 is connected to the element 4 of the mechanism for extending the biston 9 by expanding the wax contained therein by sensing the temperature of the cooling water on the engine outlet side and the tip of the biston 9.
- the main shaft 7 includes a main valve body 11 as a first valve body supported by the main shaft 7 and a bypass valve body 18 as a second valve body.
- a disc-shaped frame 16 is fixed between the main valve body 11 and the bypass valve body 18 of the main shaft 7, and a main valve body 11 is provided between the frame 16 and the main valve body 11. Energizing main spring 15 is fixed.
- a bypass spring 17 is fixed to the main shaft 7 at a position below the frame 16 so as to bias the bypass valve 18.
- a jiggle valve 19 is arranged at an appropriate position of the main valve body 11 and plays a role of bleeding air when cooling water is injected.
- a heating element 14 is attached to a portion of the head of the element 4 that does not come into contact with the cooling water.
- the heating element 14 When the heating element 14 is applied to the heating element 4, the heating element 14 generates heat, and the element 4 generates heat.
- Heat can be generated irrespective of the temperature, as a result, the valve drive unit 20 can be controlled, and an output signal from an ECU (not shown) according to the operating condition of the engine can be used, for example, when the engine load increases, the cooling water temperature If the pressure rises, the engine itself can be controlled, such as opening the valve sooner or increasing the lift more than usual to cool the engine.
- the heating element 4 includes a nichrome heater, a PTC element, a Peltier element, and the like, but can be selected depending on the application. In particular, when a Bertier element is used, the operation opposite to the above-described effect, that is, the element can be cooled, and the control range of the thermostat can be widened.
- the element 4 that expands and contracts the piston 9 isolates the temperature sensing chamber in the housing 10 from the main flow path 3 where the temperature sensing part of the element 4 in which the cooling water from the engine outlet side is introduced from the bypass sleeve 12 faces. It is held by the element guide member 25 provided at the position.
- the element guide member 25 includes a flange for attachment to the housing 10 and a sleeve portion for covering the body of the element 4, and the cooling water from the radiator outlet side introduced into the main flow path 3. Ensure that temperature does not have an excessive temperature effect on element 4.
- the structure of this element guide member 25 is modified to improve the temperature effect of the cooling water on the radiator outlet side. Moderately acts on the temperature-sensitive part of element 4, and the temperature The cooling water temperature can be controlled in consideration of the temperature at the radiator outlet side.
- variable control of the cooling water temperature as the thermostat 1 can be controlled in consideration of the cooling water temperature at the outlet of the radiator, and the control can be performed using a special water temperature sensor. This can be done without providing a control unit.
- the element guide member 25 is provided with a plurality of communication holes 25a in the mounting flange to the housing 10 so that the element guide member 25 can be provided from the radiator outlet side. It is recommended that an appropriate amount of cooling water can be led to the temperature sensing part of element 4.
- the communication hole 25a may be a long groove as shown in FIG. 3 (c), and there may be modified examples such as providing a clearance passage between the flange of the guide member 25 and the housing 10. Conceivable.
- the effect of heat transfer can be achieved by sensing the temperature in the temperature sensing section, and the element guide member 25 has excellent heat conductivity.
- the element guide member 25 has excellent heat conductivity.
- an appropriate configuration may be adopted such that the temperature of the cooling water on the outlet side of the radiator acts appropriately on the temperature sensing portion of the element 4.
- the cooling water flowing out from the engine outlet side flows into the thermostat 1 from the bypass sleeve 12 of the housing 10 of the electronically controlled thermostat 1.
- the cooling water flowing into the thermostat 1 comes into contact with the temperature sensing part of the element 4 and then flows directly into the engine via the sub flow path 8.
- the cooling water flowing out from the engine outlet side also flows into the radiator, and the cooling water from the radiator also flows into the thermostat 1 from the main sleeve 5.
- bypass valve element 18 supported on the end of the main shaft 4 blocks the bypass flow path as the main shaft 7 extends.
- the inflow of cooling water from a part of the engine through the bypass sleeve 12 is performed as it is because of the temperature sensitivity of the thermoelement.
- the thermostat 1 In the operation of the thermostat 1 as described above, when the temperature of the cooling water from the outlet of the radiator is in a low temperature state, the state is changed to the communication hole 25 a provided in the element guide member 25 and other heat. The temperature is sensed in the temperature sensing part by the transmission means, whereby the thermal expansion body inside the element 4 contracts, and the valve body is appropriately controlled. Therefore, there is no problem when the cooling water at the outlet of the radiator is colder than necessary. It becomes.
- FIG. 6 and FIG. 7 show a second embodiment of the present invention.
- a second housing 27 is provided below the housing 10 separately from the housing 10, and the housing 27 is provided with cooling water from the engine outlet side or the engine outlet side.
- a mixing chamber 28 for mixing the cooling water with the cooling water from the radiator, and a main flow path 29 for flowing out of the mixing chamber 28 to a cooling water main passage into the engine are formed. It has a structure, which simplifies the internal structure of the device and makes the whole unit a unit, but other configurations are the same as those described in the above embodiment, and detailed description is omitted here. I do.
- the present invention is not limited to the structure described in the above embodiment, and it goes without saying that the shape, structure, and the like of each part in the electronic control thermostat 1 can be appropriately modified and changed.
- the means for appropriately transmitting the cooling water temperature from the radiator outlet side to the temperature sensing part of the thermoelement 4 is not limited to the above-described example, and an appropriate method can be considered. In short, it should be set appropriately according to the relationship between the arrangement position of the thermoelement 4 and the flow path of the cooling water at the outlet of the radiator.
- the element temperature sensing section in the temperature sensing chamber which is isolated from the flow path through which the cooling water flows on the outlet side of the radiator inside the housing.
- the heat transfer means for directly or indirectly transmitting the cooling water temperature at the radiator outlet side is provided, in order to variably control the flow and flow rate of the cooling water, it is necessary to detect the radiator outlet side temperature This eliminates the need for a sensor and control unit, which is necessary for the radiator.
- the temperature of the cooling water at the outlet of the radiator can be appropriately and reliably sensed by the temperature sensing unit of the thermoelement, and that condition can be added to the operation of the thermoelement.
- variable temperature control of the cooling water as the electronically controlled thermostat can be appropriately and reliably performed, and the structure of the configuration can be simplified, and the cost can be reduced. There are advantages.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Temperature-Responsive Valves (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/484,165 US6966278B2 (en) | 2002-05-10 | 2003-03-12 | Electronically controlled thermostat |
CA002459581A CA2459581A1 (en) | 2002-05-10 | 2003-03-12 | Electronically controlled thermostat |
EP03708568A EP1505272A4 (en) | 2002-05-10 | 2003-03-12 | THERMOSTAT WITH ELECTRONIC CONTROL |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002135080A JP2003328753A (ja) | 2002-05-10 | 2002-05-10 | 電子制御サーモスタット |
JP2002-135080 | 2002-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003095810A1 true WO2003095810A1 (fr) | 2003-11-20 |
Family
ID=29416734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/002957 WO2003095810A1 (fr) | 2002-05-10 | 2003-03-12 | Thermostat a commande electronique |
Country Status (5)
Country | Link |
---|---|
US (1) | US6966278B2 (ja) |
EP (1) | EP1505272A4 (ja) |
JP (1) | JP2003328753A (ja) |
CA (1) | CA2459581A1 (ja) |
WO (1) | WO2003095810A1 (ja) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0310120D0 (en) * | 2003-05-02 | 2003-06-04 | Ford Global Tech Llc | Engine cooling systems |
FR2876763B1 (fr) * | 2004-10-18 | 2008-04-25 | Vernet Sa Sa | Vanne thermostatique pour un circuit de fluide, moteur thermique associe a un circuit de refroidissement comportant une telle vanne, et procede de fabrication d'une telle vanne |
US7725238B2 (en) * | 2004-11-19 | 2010-05-25 | Perkins Michael T | System and method for smart system control for flowing fluid conditioners |
JP4571897B2 (ja) * | 2005-09-30 | 2010-10-27 | 株式会社小松製作所 | Egrクーラの冷却水回路 |
FR2896319B1 (fr) * | 2006-01-17 | 2010-09-03 | Vernet | Thermostat de regulation d'un fluide et procede de fabrication d'un tel thermostat |
JP2008095918A (ja) * | 2006-10-16 | 2008-04-24 | Yamaha Marine Co Ltd | サーモエレメント及びこのサーモエレメントを用いたサーモスタット装置 |
JP5154205B2 (ja) * | 2007-11-27 | 2013-02-27 | 富士精工株式会社 | 熱応動弁装置及び当該装置を利用した蓄熱システム |
US8360634B2 (en) * | 2008-07-07 | 2013-01-29 | Obidi T Yomi | Normal-to-flow thermostat design |
JP4998537B2 (ja) * | 2009-10-15 | 2012-08-15 | トヨタ自動車株式会社 | 車両の冷却装置 |
EP2314902A3 (en) * | 2009-10-21 | 2012-04-25 | Aisin Seiki Kabushiki Kaisha | Fluid control valve |
JP5509813B2 (ja) * | 2009-11-26 | 2014-06-04 | アイシン精機株式会社 | 流体制御弁 |
JP5039803B2 (ja) * | 2010-03-04 | 2012-10-03 | 日本サーモスタット株式会社 | 内燃機関の冷却装置 |
CN102812220B (zh) | 2010-04-19 | 2015-11-25 | 爱信精机株式会社 | 车辆冷却剂控制阀 |
JP5574180B2 (ja) * | 2010-11-02 | 2014-08-20 | アイシン精機株式会社 | 流体制御弁 |
WO2012060188A1 (ja) | 2010-11-02 | 2012-05-10 | アイシン精機株式会社 | 流体制御弁 |
CN102146836A (zh) * | 2011-02-22 | 2011-08-10 | 重庆长安汽车股份有限公司 | 一种发动机冷却系统的调温器座总成 |
SE535781C2 (sv) * | 2011-04-29 | 2012-12-18 | Scania Cv Ab | Kylsystem för kylning av en förbränningsmotor |
JP5578373B2 (ja) | 2011-11-04 | 2014-08-27 | アイシン精機株式会社 | 車両用冷却液制御弁 |
KR101875622B1 (ko) * | 2012-08-09 | 2018-07-06 | 현대자동차 주식회사 | 탄성부재를 구비한 써모스탯 |
KR101875625B1 (ko) * | 2012-10-08 | 2018-07-06 | 현대자동차 주식회사 | 써모스탯 |
EP3094841B1 (fr) * | 2014-01-15 | 2019-06-05 | Renault S.A.S. | Dispositif à thermostat pour système de refroidissement de véhicule automobile, système de refroidissement équipé d'un tel dispositif à thermostat et procédé de commande d'un module de chauffage |
JP6274984B2 (ja) * | 2014-06-25 | 2018-02-07 | 日本サーモスタット株式会社 | サーモスタットバルブ |
DE102015117827A1 (de) * | 2015-10-20 | 2017-04-20 | Hengst Se & Co. Kg | Thermostatventil eines Kühlsystems einer Brennkraftmaschine |
JP6996346B2 (ja) * | 2018-03-02 | 2022-01-17 | トヨタ自動車株式会社 | 内燃機関の冷却システム |
WO2018164285A1 (ja) * | 2018-03-28 | 2018-09-13 | 株式会社小松製作所 | エンジン冷却装置、及びエンジンシステム |
FR3086989B1 (fr) * | 2018-10-05 | 2020-10-23 | Novares France | Vanne thermostatique et vehicule comprenant cette vanne |
JP7035955B2 (ja) * | 2018-10-19 | 2022-03-15 | トヨタ自動車株式会社 | サーモスタット及び冷却水の通路構造 |
CN111206981A (zh) * | 2018-11-21 | 2020-05-29 | 福特全球技术公司 | 用于冷却散热器布置的控制阀 |
CN111255556B (zh) * | 2018-12-03 | 2021-12-28 | 沃尔沃汽车公司 | 用于控制冷却液流动路径的节温器 |
JP2024062559A (ja) * | 2022-10-25 | 2024-05-10 | 日本サーモスタット株式会社 | 温調装置 |
Citations (2)
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JPS5618018A (en) * | 1979-07-19 | 1981-02-20 | Nissan Motor Co Ltd | Cooling water temperature controller |
WO2001083961A1 (fr) | 2000-04-28 | 2001-11-08 | Nippon Thermostat Co., Ltd. | Dispositif a thermostat |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1111215B1 (de) * | 1999-12-21 | 2004-09-08 | Ford Global Technologies, Inc. | Thermostateinheit für einen Kühlkreislauf |
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2002
- 2002-05-10 JP JP2002135080A patent/JP2003328753A/ja active Pending
-
2003
- 2003-03-12 CA CA002459581A patent/CA2459581A1/en not_active Abandoned
- 2003-03-12 EP EP03708568A patent/EP1505272A4/en not_active Withdrawn
- 2003-03-12 WO PCT/JP2003/002957 patent/WO2003095810A1/ja active Application Filing
- 2003-03-12 US US10/484,165 patent/US6966278B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5618018A (en) * | 1979-07-19 | 1981-02-20 | Nissan Motor Co Ltd | Cooling water temperature controller |
WO2001083961A1 (fr) | 2000-04-28 | 2001-11-08 | Nippon Thermostat Co., Ltd. | Dispositif a thermostat |
Non-Patent Citations (1)
Title |
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See also references of EP1505272A4 |
Also Published As
Publication number | Publication date |
---|---|
CA2459581A1 (en) | 2003-11-20 |
EP1505272A1 (en) | 2005-02-09 |
EP1505272A4 (en) | 2009-12-30 |
US20040163612A1 (en) | 2004-08-26 |
JP2003328753A (ja) | 2003-11-19 |
US6966278B2 (en) | 2005-11-22 |
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