CN101349187A - Engine thermostat having bypass pressure-dampening fluid passage - Google Patents
Engine thermostat having bypass pressure-dampening fluid passage Download PDFInfo
- Publication number
- CN101349187A CN101349187A CNA2008100858159A CN200810085815A CN101349187A CN 101349187 A CN101349187 A CN 101349187A CN A2008100858159 A CNA2008100858159 A CN A2008100858159A CN 200810085815 A CN200810085815 A CN 200810085815A CN 101349187 A CN101349187 A CN 101349187A
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- Prior art keywords
- bypass valve
- temperature
- valve plate
- plate
- valve seat
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- 239000012530 fluid Substances 0.000 title claims abstract description 27
- 230000010349 pulsation Effects 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims 3
- 239000000659 freezing mixture Substances 0.000 description 20
- 238000001816 cooling Methods 0.000 description 4
- 239000012809 cooling fluid Substances 0.000 description 4
- 239000006187 pill Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006263 metalation reaction Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
-
- 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
- G05D23/02—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature
- G05D23/021—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature the sensing element being a non-metallic solid, e.g. elastomer, paste
- G05D23/022—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature the sensing element being a non-metallic solid, e.g. elastomer, paste the sensing element being placed within a regulating fluid flow
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
A thermostat assembly ( 200 ) includes an actuator portion ( 106 ) having a sealed container ( 126 ) with an arm ( 108 ) protruding therefrom. A retainer plate ( 118 ) connects the thermostat assembly ( 200 ) to an engine component ( 104 ). A bypass valve plate ( 228 ) is arranged to sealably engage a bypass valve seat ( 134 ) that is formed in another component ( 102 ). The bypass valve plate ( 228 ) includes a body portion ( 402 ) having a central opening ( 408 ) and an outer periphery, an inner rim ( 406 ) surrounds the central opening ( 408 ), an outer rim ( 404 ) surrounds the outer periphery, and a plurality of openings ( 230 ) are formed in the body portion ( 402 ). The plurality of openings ( 230 ) is adjacent to an interface between the body portion ( 402 ) and the outer rim ( 404 ), such that a bypass pressure-dampening fluid passage is defined through the plurality of openings ( 230 ) in the bypass valve plate ( 228 ).
Description
Technical field
The present invention relates to internal-combustion engine, include but not limited to have the control that thermostatic engine-cooling system flows.
Background technique
Internal-combustion engine has the cooling system related with it, and this cooling system moves away heat from engine structure.These cooling systems generally include thermal actuation device or temperature-adjusting device, and these devices can determine that cooling fluid flows into motor or radiator according to the temperature of cool stream.
Typical engine temperature controlling device is the three-way valve with an inlet and two outlets.Its first port is with acting on the moving inlet of chilled fluid flow.Its second port as first outlet guides cooling fluid to flow directly into motor when lower temperature is opened in cool stream., make chilled fluid flow bypass motor and pass radiator when opening as second its 3rd port that exports, the place is cooled at radiator, then return engine.Opening of thermal actuator control valve, this valve control cooling fluid flows into first and/or second outlet.Thermal actuator (normally shifting the material on the bar when heating and expansion onto) is immersed in the chilled fluid flow of inflow in thermostatic ingress.
When motor moved with the high engine speed state, the cooling fluid flow rate increased.During the transition stage of temperature-adjusting device position, the flow rate of this increase produces unstability usually.The result of the hydrofoil effect on the normally thermostatic flat board of these unstability, these flat boards are used for fluid-blocking second and the 3rd port.These unstability make panel vibration or " fiercelying attack " against its valve seat usually, therefore cause the infringement to valve seat.
Summary of the invention
Temperature-controlled package comprises the actuation part with seal container, and container has from its outstanding arm.Retaining plate is connected to engine components with temperature-controlled package.The bypass valve plate sealably cooperates with the bypass valve seat, and the bypass valve seat is formed on first engine components.The bypass valve plate comprises body portion with central opening and outer perimeter, around the inside rim of central opening, around the exterior rim of outer perimeter and be formed on a plurality of openings on the body portion.Layout setting between a plurality of opening adjacent body parts and the exterior rim makes to limit the bypass pressure-dampening fluid passage by a plurality of openings on the bypass valve plate.
Description of drawings
Fig. 1 is mounted in the sectional view of the temperature-controlled package between first and second engine components.
Fig. 2 and Fig. 3 are an embodiment the sectional views with temperature-controlled package of improved bypass valve plate.
Fig. 4 and Fig. 5 are the profile diagrams of different stereograms of the improved bypass valve plate of temperature-controlled package shown in Fig. 2.
Fig. 6 and Fig. 7 are another embodiment's the sectional views with temperature-controlled package of improved bypass valve plate and bypass valve seat structure.
Fig. 8 and Fig. 9 are another embodiment's the sectional views with temperature-controlled package of improved bypass valve plate and bypass valve seat structure.
Embodiment
Equipment and method by providing the improved bypass flow circulation road with pressure decay characteristics to reduce the effect of chilled fluid flow excess temperature controlling device unstability have hereinafter been described, especially during the transition stage of operation.
The sectional view that is installed in the known temperature controlling device 100 between first parts 102 and second parts 104 in the internal-combustion engine has been shown among Fig. 1.Temperature-adjusting device 100 comprises thermal actuation assembly 106.Thermal actuation assembly 106 comprises the arm 108 that can extend when heating.Arm 108 passes sealing and is attached to the cap 110 of container 112 consistently.Container 112 accommodates " wax-wrapped pill " 114 that melts and expand under temperature increase state.Temperature adjusting plate 115 portion is within it partly gone up with actuating assembly 106 and is cooperated, and has the Sealing 116 that is molded on its exterior section.Retaining plate 118 centers on the part of actuating assembly 106 and is arranged in the groove 120 of second parts 104.
First spring 122 is arranged between temperature adjusting plate 115 and the holder 118.First spring 122 pushes away holder 118 with temperature adjusting plate 144.Than under the cold state, the power of first spring 122 is used to keep the installation position of holder 118 in groove 120, and also temperature adjusting plate 115 pushings is resisted against on the outlet port 124 that is formed in second parts 104.
During operation, freezing mixture flows to into temperature-adjusting device 100.Freezing mixture stream, or enter temperature-adjusting device 100 from the freezing mixture of motor supply by inlet opening 136 more specifically.When freezing mixture stream has lower temperature, or when being lower than about 190 °F (88 ℃), wax-wrapped pill 114 major parts in the actuating assembly are solids, and arm 108 is against the supporting member 138 that is formed in second parts 104, and bypass valve plate 128 from bypass valve seat 134 outstanding from.Therefore, the freezing mixture stream that enters by inlet opening 136 flows out temperature-adjusting device 100 through bypass valve plate 128 and by bypass path or the freezing mixture return path 140 that is formed in first parts 102, and this bypass path or freezing mixture return path 140 directly turn back in the motor freezing mixture stream.
When the freezing mixture stream that enters by inlet opening 136 warmer, or when having the temperature that is higher than about 190 (88 ℃), wax-wrapped pill 114 fusing and thermal expansions in container 112.The expansion of wax-wrapped pill 114 causes that arm 108 extends out from container 112, and pushing is against supporting member 138.The extension of arm 108 makes temperature adjusting plate 115 move apart 122 compressions of outlet port 124, the first springs, and bypass valve plate 128 is shifted to bypass valve seat 134.Under warm situation, continue running, bypass valve plate 128 is placed on the bypass valve seat 134.In this case, the freezing mixture that enters inlet opening 136 fails to be convened for lack of a quorum and flows into the actuation chamber 142 of temperature-adjusting device 100, and flows out temperature-adjusting device by radiator outlet opening 144.The freezing mixture of inflow radiator exit opening 144 fails to be convened for lack of a quorum and is passing radiator (not shown) return engine afterwards.
There is shown embodiment of improved temperature-adjusting device 200 and detailed amplification view shown in Figure 3 at the broken section of Fig. 2.Temperature-adjusting device 200 has much feature and the member similar to temperature-adjusting device 100, for simplicity, uses identical label to represent public member.Temperature-adjusting device 200 has inlet opening 136, bypass exit opening 140 and radiator outlet opening 144.Temperature-adjusting device 200 has improved bypass valve plate 228.Bypass valve plate 228 is connected to bypass valve holder 126, and function is substantially similar to bypass valve plate 128 shown in Figure 1, but has a plurality of openings 230 that form along its whole circumference, and a plurality of openings 230 equate to central axis 232 distances.
At temperature-adjusting device 200 run durations, especially during the transition stage of warm freezing mixture stream, bypass valve plate 228 is pushed to described bypass valve seat 134.In the temperature-adjusting device 100 of Fig. 1, when bypass valve plate 128 is pushed into groove 132 but is not placed on the bypass valve seat 134 as yet, produce the pressure pulsation effect, this causes the vibration of bypass valve plate 128.This vibration can cause the various faults of bypass valve plate 128, holder 126 through certain hour, and generally speaking can cause the disabler of temperature-adjusting device 100.Can use improved bypass valve plate 228 advantageously to avoid this vibration.Opening 230 is used to discharge the pressure reduction that strides across bypass valve plate 228 that causes vibration, and eliminates vibration effectively and compare the life-span that can increase temperature-adjusting device 200 with the working life of temperature-adjusting device 100.
Fig. 3 and 4 shows the profile diagram of two different stereograms of improved bypass valve plate 228.Bypass valve plate 228 comprises body portion 402.Body 402 is smooth basically and is dish type.Exterior rim 404 is along its outer perimeter around body portion 402, and inside rim 406 is around the central opening 408 of body portion 402.Exterior rim 404 and inside rim 406 advantageously provide structural rigidity for body portion 402.The outer perimeter of adjacent body part 402 has a plurality of openings 230 near the layout setting between body portion 402 and the exterior rim 404.Body portion 402, inside rim 404, exterior rim 406, central opening 408 and a plurality of opening 230 can be advantageously form when a punching press of sheet metal and cutting operation simultaneously.
At the run duration of temperature-adjusting device 200, at inlet opening 136, pass a plurality of openings 230, pass between bypass valve plate 228 and the bypass valve seat 134 the zone and out to freezing mixture return passage 140 between form pressure decay passage.Advantageously pressure decay passage is the most effective to eliminating pressure pulsation, this pulsation otherwise can cause the vibration of bypass valve plate when bypass valve plate 228 carries out the transition to closed position and be closed to and almost be placed on the bypass valve seat 134.
There is shown another embodiment of the temperature-adjusting device 600 with bypass pressure-dampening fluid passage at analysing and observe of Fig. 6 and Fig. 7.Temperature-adjusting device 600 has a lot of and temperature-adjusting device 100 similar feature and members, for simplicity, uses identical label to represent the member that has.Temperature-adjusting device 600 has inlet opening 136, bypass exit opening 140 and radiator outlet opening 144.Temperature-adjusting device 600 has improved bypass valve plate 628 and improved bypass valve seat 634.Bypass valve plate 628 is connected to bypass valve holder 126, and function is substantially similar to the bypass shown in Fig. 1 and sends out valve plate 128.This bypass valve plate 628 has improved side surface 630.This side surface 630 has the tapered profiles of most of projection, and is arranged to cooperate with improved bypass valve seat 634, and bypass valve seat 634 is formed on first engine components 632 of the opening of freezing mixture return passage 140.In this embodiment, bypass valve seat 634 has the recessed basically taper that the protruding taper with the side surface 630 of bypass valve plate 628 is complementary.
At the run duration of temperature-adjusting device 600, especially at the transition period of warm freezing mixture stream, bypass valve plate 628 is pushed to described valve seat 634.Use improved bypass valve plate 628 can advantageously avoid the above-mentioned vibration that is used for temperature-adjusting device 100 among Fig. 1.Tapered side surface 630F is used to discharge the pressure reduction that causes vibration and cross over bypass valve plate 638, and eliminates vibration effectively and compare the working life that can increase temperature-adjusting device 600 with the working life of temperature-adjusting device 100.
In this embodiment, at inlet opening 136, form pressure decay passage by the passage 636 between bypass valve plate 628 and the bypass valve seat 634 and between out to freezing mixture return passage 140.Bypass valve plate 628 near and during near bypass valve seat 634, in passage 636, form uniform flow region around the whole circumference of bypass valve plate 628.Uniform flow region helps to improve the efficient that freezing mixture flows therein in the passage 636, and advantageously the most effective to eliminating pressure pulsation, this pulsation otherwise can when bypass valve 628 carries out the transition to closed position and be closed to and almost be placed on the bypass valve seat 634, cause the bypass valve vibration.
The sectional view of Fig. 8 and Fig. 9 shows another embodiment of the temperature-adjusting device 800 with bypass pressure-dampening fluid passage.Temperature-adjusting device 800 has a lot of and temperature-adjusting device 100 similar feature and members, for for simplicity, uses identical label to represent the member that has.Temperature-adjusting device 800 has inlet opening 136, bypass exit opening 140 and radiator outlet opening 144.Temperature-adjusting device 800 has improved bypass valve plate 828 and improved bypass valve seat 834.Bypass valve plate 828 is connected to bypass valve holder 126, and function is substantially similar to the bypass valve plate 128 shown in Fig. 1.
At the run duration of temperature-adjusting device 800, and especially during the transition stage of warm freezing mixture stream, bypass valve plate 828 is pressed towards described bypass valve seat 834.Can use improved bypass valve plate 828 advantageously to avoid the above-mentioned vibration of temperature-adjusting device shown in Fig. 1 100.Tapered side surface 830 is used to discharge the pressure reduction that strides across bypass valve plate 828 that causes vibration, and eliminates vibration effectively and compare the life-span that can increase temperature-adjusting device 800 with the working life of temperature-adjusting device 100.
In this embodiment, at inlet opening 136, form pressure decay passage by the passage 836 between bypass valve plate 828 and the bypass valve seat 834 and between out to freezing mixture return passage 140.Bypass valve plate 828 near and during near bypass valve seat 834, passage 836 in, form highly turbulent flow region around the whole circumference of bypass valve plate 828.Being used for flow region that fluid passes passage 836 upsets any pressure wave by the turbulent flow that is produced with near the boundary current state the sharp transitions on seat or border 834 and destroys and cross over any pressure reduction that bypass valve plate 828 exists.Advantageously should structure the most effective to eliminating pressure pulsation, this pulsation otherwise can when bypass valve 828 carries out the transition to closed position and be closed to and almost be placed on the bypass valve seat 834, cause the bypass valve vibration.
The present invention can be presented as other concrete form and not deviate from its spirit and inner characteristic.Will be understood that described embodiment is only nonrestrictive for illustrative in every respect.Therefore scope of the present invention is by appended claims but not above-mentioned specification is pointed.All will be included in its scope in coordinate implication of claims and all changes in the scope.
Claims (15)
1. temperature-controlled package, described temperature-controlled package can be assemblied between first engine components and second engine components, comprising:
Actuation part, this actuation part comprises:
Seal container, described seal container have from the outstanding arm of described seal container, and described seal container accommodates the material that expands under temperature increase condition,
Retaining plate, described retaining plate can be connected to described temperature-controlled package described second engine components, and
The bypass valve holder;
Temperature adjusting plate, described temperature adjusting plate is connected to described actuation part, wherein said temperature adjusting plate be arranged to sealably be formed on described second engine components on the radiator outlet seat cooperate;
Bypass valve plate, described bypass valve plate are connected on the described bypass valve holder, wherein said bypass valve plate be arranged to sealably be formed on described first engine components on the bypass valve seat cooperate, described bypass valve plate comprises:
Body portion, described body portion has central opening and outer perimeter,
Inside rim, described inside rim centers on described central opening,
Exterior rim, described exterior rim centers on described outer perimeter, and
A plurality of openings, described a plurality of openings are formed on the described body portion, and the layout setting between contiguous described body portion and the described exterior rim;
Wherein limit the bypass pressure-dampening fluid passage by a plurality of openings on the described bypass valve plate.
2. temperature-controlled package as claimed in claim 1 is characterized in that, also comprises described first engine components and described second engine components.
3. temperature-controlled package as claimed in claim 2, it is characterized in that, the described bypass valve seat that is formed on described first engine components is smooth basically and centers on the exit opening that is formed on described first engine components, and wherein said bypass pressure-dampening fluid passage comprises the zone between described bypass valve plate and the described bypass valve seat.
4. temperature-controlled package as claimed in claim 1 is characterized in that, also comprises the spring between the described body portion that is arranged on described bypass valve holder and described bypass valve plate.
5. temperature-controlled package as claimed in claim 1 is characterized in that, also comprises the spring that is arranged between described retaining plate and the described temperature adjusting plate.
6. temperature-controlled package as claimed in claim 1 is characterized in that, the described material in the described seal container is a wax.
7. internal-combustion engine comprises:
First parts, described first parts have the exit opening that is formed on wherein;
Second parts, described second parts have the radiator that is communicated with actuator cavity and maintenance groove fluid and return opening, wherein said radiator returns opening, described actuator cavity and described maintenance groove and is formed on described second parts, and the inlet opening that wherein is communicated with described actuator cavity fluid is limited between described first engine components and described second engine components;
Temperature-controlled package comprises:
Actuating assembly, described actuating assembly are arranged in the described actuator cavity,
Retaining plate, described retaining plate is connected to described actuating assembly, and wherein said retaining plate to small part is arranged in the described maintenance groove,
Temperature control valve (TCV), described temperature control valve (TCV) is operably connected to described actuating assembly,
The bypass valve holder, described bypass valve holder is operably connected to described actuator, and the bypass valve plate, and described bypass valve plate operationally links with described bypass valve holder,
Wherein said bypass valve has side surface, and wherein side surface has the taper of projection basically;
Wherein first engine components form the bypass valve seat that is communicated with described exit opening fluid, wherein said bypass valve seat is arranged to sealably cooperate with described bypass valve plate, and wherein, from described inlet opening, the described side surface that passes described bypass valve plate and the path between the described bypass valve seat and pass described exit opening and limit the pressure-dampening fluid passage.
8. internal-combustion engine as claimed in claim 7 is characterized in that, described bypass valve seat has recessed basically taper, and described recessed tapered arrangement becomes and the described protruding taper of described side surface is complementary.
9. internal-combustion engine as claimed in claim 7 is characterized in that, described bypass valve seat is the edge around described exit opening, and described edge placement becomes to contact with described side surface line when described bypass valve plate current body seals described exit opening.
10. method that is used to make thermostatic hydrodynamic pressure attenuate pulsations may further comprise the steps:
Make fluid flow into described temperature-adjusting device by the inlet opening;
When hanging down, the temperature of described fluid make fluid stream flow into exit opening by temperature adjusting plate and Sealing are cooperated hermetically;
When the temperature of described fluid is higher,, bypass valve plate and bypass valve seat make fluid stream flow to the radiator outlet opening by being cooperated hermetically;
When the temperature of described fluid is between described lower temperature and described higher temperature, make fluid stream flow to described radiator outlet opening and described exit opening;
In described fluid temperature (F.T.) near described hotter temperature and described bypass valve plate during near described bypass valve seat, pressure pulsation decay stream is set between described bypass valve plate and described bypass valve seat, and makes at least a portion of described fluid stream pass described pressure pulsation decay stream.
11. method as claimed in claim 10 is characterized in that, and is further comprising the steps of: make at least a portion of described fluid stream pass a plurality of openings that are formed on the described bypass valve plate, wherein said a plurality of openings are parts of described attenuate pulsations stream.
12. method as claimed in claim 10 is characterized in that, described pressure pulsation decay stream is limited to the protruding conical surface on the side surface that is formed on described bypass valve plate and has between the described bypass valve seat of recessed taper.
13. method as claimed in claim 10 is characterized in that, described pressure pulsation decay stream is limited to the protruding conical surface on the side surface that is formed on described bypass valve plate and has between the described bypass valve seat of sharp edges transition.
14. method as claimed in claim 10 is characterized in that, described high temperature is any temperature that is higher than about 190 (88 ℃).
15. method as claimed in claim 10 is characterized in that, described low temperature is any temperature that is lower than about 190 (88 ℃).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/687,115 | 2007-03-16 | ||
| US11/687,115 US20080223316A1 (en) | 2007-03-16 | 2007-03-16 | Engine thermostat having bypass pressure-dampening fluid passage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101349187A true CN101349187A (en) | 2009-01-21 |
Family
ID=39761382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100858159A Pending CN101349187A (en) | 2007-03-16 | 2008-03-14 | Engine thermostat having bypass pressure-dampening fluid passage |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20080223316A1 (en) |
| CN (1) | CN101349187A (en) |
| BR (1) | BRPI0800607A (en) |
| CA (1) | CA2624521A1 (en) |
| MX (1) | MX2008003804A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979610A (en) * | 2012-12-07 | 2013-03-20 | 奇瑞汽车股份有限公司 | Thermostat seat |
| CN104912647A (en) * | 2014-03-10 | 2015-09-16 | 伊利诺斯工具制品有限公司 | Failure remedying device and internal combustion engine cooling system with same |
| CN105626841A (en) * | 2014-11-21 | 2016-06-01 | 现代自动车株式会社 | Oil cooler for vehicle having bypass valve operated by temperature of working fluid |
| CN105899779A (en) * | 2014-01-09 | 2016-08-24 | 韦内特公司 | Thermostatic valve |
| CN110552776A (en) * | 2018-06-01 | 2019-12-10 | 卡特彼勒公司 | Temperature regulator with integrated casing, thermostatic valve and valve seat |
| CN111183278A (en) * | 2017-09-26 | 2020-05-19 | 科派特汽车配件工贸联合股份公司 | Thermostat assembly with improved bypass control |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008056247B4 (en) * | 2008-11-06 | 2010-09-09 | Itw Automotive Products Gmbh | Thermostat valve assembly and cooling system for a motor vehicle |
| US20110100325A1 (en) * | 2009-11-02 | 2011-05-05 | International Engine Intellectual Property Company, Llc | Three-way throttle valve |
| US20130334328A1 (en) * | 2011-02-08 | 2013-12-19 | Caltherm Corporation | Dual-valve thermostat |
| US9133952B2 (en) * | 2011-04-01 | 2015-09-15 | Rostra Vernatherm LLC | Thermostatic bypass valve with a unique valve seat |
| EP2602684B1 (en) * | 2011-12-08 | 2019-02-20 | Honeywell Technologies Sarl | Regulation valve |
| JP5912523B2 (en) * | 2011-12-28 | 2016-04-27 | 日本サーモスタット株式会社 | Fluid control valve |
| US9289573B2 (en) * | 2012-12-28 | 2016-03-22 | Covidien Lp | Ventilator pressure oscillation filter |
| CN104675503B (en) * | 2013-11-28 | 2018-01-19 | 北汽福田汽车股份有限公司 | A kind of assembly of thermostat and car engine cooling system register |
| GB2529130A (en) * | 2014-04-22 | 2016-02-17 | Kohler Mira Ltd | Thermostats |
| US9810339B2 (en) * | 2015-02-10 | 2017-11-07 | Oetiker Ny, Inc. | Single axis thermal relief valve |
| US10302208B2 (en) * | 2016-12-05 | 2019-05-28 | Rostra Vernatherm, Llc | Control valve with external relief bias member |
| JP6910155B2 (en) * | 2017-02-07 | 2021-07-28 | 本田技研工業株式会社 | Internal combustion engine cooling structure |
| US10724811B2 (en) | 2018-12-03 | 2020-07-28 | Hamilton Sundstrand Corporation | Thermal wax bypass valve utilizing boot with wax separators |
| KR20200099377A (en) * | 2019-02-14 | 2020-08-24 | 현대자동차주식회사 | Thermostat for an engine cooling system |
| US10989100B1 (en) * | 2020-03-27 | 2021-04-27 | Thomas Kubsch | Engine cooling system and thermostat thermal actuator with a degassing two-stage piston |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2017759A1 (en) * | 1970-04-14 | 1971-10-28 | Daimler Benz Ag | Thermostat-controlled valve, in particular for motors and engines for motor vehicles |
| DE3138368C2 (en) * | 1981-09-26 | 1983-07-28 | Daimler-Benz Ag, 7000 Stuttgart | "Thermostatically controlled valve in the cooling circuit of liquid-cooled internal combustion engines" |
| US4453668A (en) * | 1982-11-10 | 1984-06-12 | Caltherm Corporation | Fail-safe thermostatic valve |
| DE19725222A1 (en) * | 1997-06-15 | 1998-12-17 | Behr Thermot Tronik Gmbh & Co | Thermostat valve for coolant circuit of IC engine |
| KR20030067942A (en) * | 2002-02-09 | 2003-08-19 | 현대자동차주식회사 | Electronic thermostat using variable control system |
-
2007
- 2007-03-16 US US11/687,115 patent/US20080223316A1/en not_active Abandoned
-
2008
- 2008-03-07 CA CA002624521A patent/CA2624521A1/en not_active Abandoned
- 2008-03-14 CN CNA2008100858159A patent/CN101349187A/en active Pending
- 2008-03-17 BR BRPI0800607-5A patent/BRPI0800607A/en not_active IP Right Cessation
- 2008-03-18 MX MX2008003804A patent/MX2008003804A/en not_active Application Discontinuation
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979610A (en) * | 2012-12-07 | 2013-03-20 | 奇瑞汽车股份有限公司 | Thermostat seat |
| CN102979610B (en) * | 2012-12-07 | 2016-09-14 | 奇瑞汽车股份有限公司 | Thermostat base |
| CN105899779A (en) * | 2014-01-09 | 2016-08-24 | 韦内特公司 | Thermostatic valve |
| CN105899779B (en) * | 2014-01-09 | 2018-09-04 | 韦内特公司 | Thermostatic valve |
| US10408117B2 (en) | 2014-01-09 | 2019-09-10 | Vernet | Thermostatic valve |
| CN104912647A (en) * | 2014-03-10 | 2015-09-16 | 伊利诺斯工具制品有限公司 | Failure remedying device and internal combustion engine cooling system with same |
| CN104912647B (en) * | 2014-03-10 | 2019-11-05 | 伊利诺斯工具制品有限公司 | Failure saves device and saves the internal-combustion engine cooling system of device with failure |
| CN105626841A (en) * | 2014-11-21 | 2016-06-01 | 现代自动车株式会社 | Oil cooler for vehicle having bypass valve operated by temperature of working fluid |
| CN105626841B (en) * | 2014-11-21 | 2020-07-14 | 现代自动车株式会社 | Oil cooler for vehicle having bypass valve operated by temperature of working fluid |
| CN111183278A (en) * | 2017-09-26 | 2020-05-19 | 科派特汽车配件工贸联合股份公司 | Thermostat assembly with improved bypass control |
| CN111183278B (en) * | 2017-09-26 | 2022-08-09 | 科派特汽车配件工贸联合股份公司 | Thermostat assembly with improved bypass control |
| CN110552776A (en) * | 2018-06-01 | 2019-12-10 | 卡特彼勒公司 | Temperature regulator with integrated casing, thermostatic valve and valve seat |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0800607A (en) | 2008-11-04 |
| US20080223316A1 (en) | 2008-09-18 |
| CA2624521A1 (en) | 2008-09-16 |
| MX2008003804A (en) | 2009-02-27 |
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Open date: 20090121 |