CA1195965A - Automotive thermostatic fluid control valve device - Google Patents
Automotive thermostatic fluid control valve deviceInfo
- Publication number
- CA1195965A CA1195965A CA000414557A CA414557A CA1195965A CA 1195965 A CA1195965 A CA 1195965A CA 000414557 A CA000414557 A CA 000414557A CA 414557 A CA414557 A CA 414557A CA 1195965 A CA1195965 A CA 1195965A
- Authority
- CA
- Canada
- Prior art keywords
- frame member
- valve seat
- leg portions
- engagement
- ring portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- 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
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
Abstract of the Disclosure A thermally responsive fluid control valve device which is particularly adapted to be mounted in the coolant system of an automotive type engine . The thermally responsive fluid control valve device includes a frame member which consists of two sheet metal members attached together.
The frame member includes integral engagement portions which are adapted to engage surfaces within the coolant system for positioning the fluid control valve device within the coolant system.
The frame member includes integral engagement portions which are adapted to engage surfaces within the coolant system for positioning the fluid control valve device within the coolant system.
Description
Docket 2648 AUTOMOTIV~ THr~ rlo~TAlrlc F]JUII) C~N'rK()L VALV~ DEVICE
The cooling ~y~em~ of ~any automotive engin~
are of the by-pas~ type, in which coolant fluid which flows to ~he valve device from an upstrea~n conduit is directed to flow in either or both of two down~trea~ conduil:~. In S such a ~ystem, coolant fluid is con~tantly circula~ing during opera~ion of the engine, and a cherma11y re~;ponsive va1ve device con~ro1s flow of the fluid to the do~stream conduits.
It is an object of this invention to provide a thermo~tatic fluid control valve which is adap~ed ~o be mounted 10 within a by-pass type coolant ~y~tem of an automotive engin~.
It is anothèr object of thi~ invention to ~rovide such a ~hermo~tatic fluid control valve which can be constructed at relatively low costs.
A thermostatic fluid control valve device or~ this invention comprl~e~ a two piece frame structùre which is preferab1y constructed of ~heet metal material. One of the frame members includes an annular stationary valve ~eat portion forming a fluid por~ therethrough, with an integral bridge extenclin~ over ~he fluid port. The second frame member includes a ring portion and a pluraliLy of , :
Docket 264~ 5 ~ ~ ~
leg por~$on~ and a plurality ol foot portions, all integral.
A ~ovable clo4ure memb~r i~ ~ngageable with the valve seat p~rtion of the fir~t frame member ~o close th~ fluid port. A thermally r~sponsive actuator member is operably joined Lo the closure member for movement ther~of. The fr~me ~ruc~re i8 adapted to be flrmly positioned between two eng~ement ~urfaces within a fluid conduit within which the thermo8tatlc valve device is moun~ed.
Brief Description of the Views of the Drawin~s FIG. 1 i~ a perspective view, with parts broken away and ~hown in section, of a thermostatic valv~ device of thl~ inventlon.
FIG. 2 1~ an exploded perspective view of the thermostatic valve devlce of FIG. 1.
FIG. 3 is a sectional view, drawn vn ~ larger ~cale than FIGS. 1 and 2, ~howing the thermos~atic valve device of FIGS. 1 a~d 2 moun~ed within a portion of a conduit of a co.oling sy~tem of ~n automo~ive engine. This view ~hows the clo~ure member of the thermostatic valve ~0 device in one po8i~ion of opera~ion.
FIG. 4 i~ a sectional view, simllar to FIG.
3, but ~howing ~he clos~re member of Lhe thermostatic valve devlce in another position of operation.
De~ailed De~cription of the Invention ~5 A ~hermostatic fluid con~rol valve device 8 of ~hls lnventlon, ~8 ~hown in the drawlng~, includes ~n upper fr~me member 10, whlch is preferably ba~lcally -3~
Docket ~648 ~ ~ 5 ~ ~ 5 Qf 8h~et metal materi~l, and includes an annular valve ~eat portion 12, which f~rm~ a 10w pas~age therethrvugh and an integral bridge portion 14 which éxtends over the f 1DW pa~ sage .
A lower frame member 20 i~ also preferably of ~heet me~al material and has ~ pair of spaced-apart leg portlons 24, integrally joined at the lower part~ ~hereof by a ring portion 28. The upper part~ of the leg portion~
24 are shown a~ having laterally extending wings 30. The upper ends of the leg por~ions 2~ éxte~d through opening~
36 in ~he annular valYe ~eat portion 12 of the upper frame member 10 and are b~nt ov~r or attached in any sui~able m~nner to ~he annular valve seat portion 12 to secure thQ lower fr~me member 2~ to the upper frame memb~r 10.
The wings 30 of the le~ portion~ 24 engage the lower surface .
of the annular valve ~eat portivn 1.2 of the upper frame m~mber 10. Thu~, the lower frame member 20 i~ rigidly attached to the upper frame member 110.
Subs~antially confined within the upper frame ~ ~mber 10 and the lower frame member 20 is ~ thermally re~pon~ive actua~or device 38. The thermally re~pon31ve ~CtuaLor device 38 include~ a rigid con~alner 40, provided wlth ther~ally re~ponsi~e exp~n~ive material therein, ~uch a~ wa~ or the like, and an actustor rod 42. The ~5 therm~lly responsive actllator device 38 i~ preferably o the type dl~elo~ed in Uni~ed States Patents 2,806,375 and 2~80$,376. Howeve~, other ~ypes of ac-Luator devices may ~180 be ~tisfactory.
~, _ Docket 2648 1~ ~ S9 ~ 5 The lower portion vf the ri~id cont~iner 40 is encompa~ed by the ring portion 2~ of the lower frame member 20. The upper portion of the rigid container 40 i8 attached to a closur~ member 50. The clo~ure member 50 is preferably of sheet meLal material. A coil ~pring 54 encomp~seR the container 40 and is compre~ed betweer the clo~ure memb~r 50 and the ring portion 28. The ring portion 28 has an upstanding flange 5~ which is encompassed by the lower part of the spring 54. Thu~, ~he coil ~pring 54 ux~es the clo~ure melDber 50 toward the annular valve ~eat portion 12 of the upper frame member 10, and the clo~ure me~ber S0 is normally in engagemcn~ with the annular valve ~eat portion 12. The actuator rod 42 i8 in engag~ment with ~he bridge portion 14 of ~he upper 15 frame member 10. Integral with the leg portions 24 and the ring por~lon 28 of the lower frame member 20 are exten~ion~
or foot portions S0. The foot portion~ 60 are angular with re~pect to the leg portions 24.
The ther~o~tatic valve device 8 of this inv~ntion ~ -L~ ad8pted to be positioned withln a conduit o:E a cooling ~y~tem o-~ an automotive englne. FIGS. 3 and 4 show a conduit gtructure 64 provided with a fixed portion 66 with which the foot por~ions or extensions 60 Df the lower frame member 20 are in engagement. A removable condui~
m~mber 70 ~ub~tant.L~lly enclo~es the thermally res~onsive fluld control valve de~lce 8. The F~vable conduit member 70 i8 ~ecured ~o the fixed portion 66 by means of bolts or cap ~crews 74. The re~ovable condu:i~ member 70 ha~ an annular intern~l surface 78 which i8 engaged by an ~ tomeric ~cket 264~ 5~5 ~ealing ring 8D. The ela~tomeric s~aling ring 80 ~lso ~ngage~ the upper ~urface of the annular valve 4ea~ por~ion 12 of the uppe~ fr~me member 10 and may be a~tached thereto, a~ illu~trated in FIG. 1. Thus, che thermostatic fluid i control valve device 8 is firmly posi-~ioned within the condui~ s~ructure 64.
The fixed portion 66 of ~he conduit structure 6~ ha~ an opening ~2 therein wi~hin which ~he lower part of the lower frame member 20 is positioned. The rem~vabl~
LO conduit member 70 has an opening 84 and an op~ning 88 therein, which are adapted to be in communication with downstream conduit portions of the conduit ~tructure 64 and ~ooling sy~tem.
A~ illustrated in FIG. 3, during operation of the engine with which the thermally respon~ive fluid control valve devi~e 8 of this invention is a~ociated, fluid flow~ upwardly through the opening 82, as illus~rated by arrows 90, and normally all of the fluid flows3 ou~wardly through the opening 84, a~ illustrated by an arrow 92.
'0 ~owever, when the temperatuxe of the fluid which engages the thermally responsive actuator dev-Lce 38 reaches a given predetenmlned magnitude~ the thermally responsive ~ctuator device 38 operate~ and the closure m~mber 50 1~ ~oved down~ardly to open the fluid flow passage ~hrough th~ annular valve seat portion 12 of the upper frame member 10. When ~hi~ occurs 3 ~ome of the fluid flow~ upwardly throu~h ~he opening 88 3 a~ illu~trated by an arrow 98 in ~IG. 4.
ocket 2648 ~5~
Therefore, it is to be under.stood that a thermostatic ~luid control v~lve device 8 of this invention ~erve~
a~ a by-pass fluid control valve device7 firmly posi~ioned be~ween two in~ernal surface~ of a fluid conduit s~ruc~ure or ~ystem and operable to control flow of fluid from an upstre2m condult to two downstream condui~.
~IG. 2 ~hows tha~ the lower frame memb~r '~0 .i~ a ~ingle pi~ce ~f ~heet me~al material which is cut ~nd formed in the manner illustrated. FIGS. 3 and 4 show LO that the upper frame member 10 is a single piece of sheet metal material formed in the msnner illustrated. It is to be understood, however, that either the upper Erame member lQ or the lower frame member 20 may consist ~f a plurality of pi~ce~ which ~re joined toge~her in any suitable LS ~anner. It 18 therefore ~o be understood tha~ the thermostatic fLuld control valve device 8 of this inven~ion may be produc~d at r~latively low cost~ and may be e~sily and readily installed withln a by-pa~ coollng sy~tem of an autQ~otive englne.
The cooling ~y~em~ of ~any automotive engin~
are of the by-pas~ type, in which coolant fluid which flows to ~he valve device from an upstrea~n conduit is directed to flow in either or both of two down~trea~ conduil:~. In S such a ~ystem, coolant fluid is con~tantly circula~ing during opera~ion of the engine, and a cherma11y re~;ponsive va1ve device con~ro1s flow of the fluid to the do~stream conduits.
It is an object of this invention to provide a thermo~tatic fluid control valve which is adap~ed ~o be mounted 10 within a by-pass type coolant ~y~tem of an automotive engin~.
It is anothèr object of thi~ invention to ~rovide such a ~hermo~tatic fluid control valve which can be constructed at relatively low costs.
A thermostatic fluid control valve device or~ this invention comprl~e~ a two piece frame structùre which is preferab1y constructed of ~heet metal material. One of the frame members includes an annular stationary valve ~eat portion forming a fluid por~ therethrough, with an integral bridge extenclin~ over ~he fluid port. The second frame member includes a ring portion and a pluraliLy of , :
Docket 264~ 5 ~ ~ ~
leg por~$on~ and a plurality ol foot portions, all integral.
A ~ovable clo4ure memb~r i~ ~ngageable with the valve seat p~rtion of the fir~t frame member ~o close th~ fluid port. A thermally r~sponsive actuator member is operably joined Lo the closure member for movement ther~of. The fr~me ~ruc~re i8 adapted to be flrmly positioned between two eng~ement ~urfaces within a fluid conduit within which the thermo8tatlc valve device is moun~ed.
Brief Description of the Views of the Drawin~s FIG. 1 i~ a perspective view, with parts broken away and ~hown in section, of a thermostatic valv~ device of thl~ inventlon.
FIG. 2 1~ an exploded perspective view of the thermostatic valve devlce of FIG. 1.
FIG. 3 is a sectional view, drawn vn ~ larger ~cale than FIGS. 1 and 2, ~howing the thermos~atic valve device of FIGS. 1 a~d 2 moun~ed within a portion of a conduit of a co.oling sy~tem of ~n automo~ive engine. This view ~hows the clo~ure member of the thermostatic valve ~0 device in one po8i~ion of opera~ion.
FIG. 4 i~ a sectional view, simllar to FIG.
3, but ~howing ~he clos~re member of Lhe thermostatic valve devlce in another position of operation.
De~ailed De~cription of the Invention ~5 A ~hermostatic fluid con~rol valve device 8 of ~hls lnventlon, ~8 ~hown in the drawlng~, includes ~n upper fr~me member 10, whlch is preferably ba~lcally -3~
Docket ~648 ~ ~ 5 ~ ~ 5 Qf 8h~et metal materi~l, and includes an annular valve ~eat portion 12, which f~rm~ a 10w pas~age therethrvugh and an integral bridge portion 14 which éxtends over the f 1DW pa~ sage .
A lower frame member 20 i~ also preferably of ~heet me~al material and has ~ pair of spaced-apart leg portlons 24, integrally joined at the lower part~ ~hereof by a ring portion 28. The upper part~ of the leg portion~
24 are shown a~ having laterally extending wings 30. The upper ends of the leg por~ions 2~ éxte~d through opening~
36 in ~he annular valYe ~eat portion 12 of the upper frame member 10 and are b~nt ov~r or attached in any sui~able m~nner to ~he annular valve seat portion 12 to secure thQ lower fr~me member 2~ to the upper frame memb~r 10.
The wings 30 of the le~ portion~ 24 engage the lower surface .
of the annular valve ~eat portivn 1.2 of the upper frame m~mber 10. Thu~, the lower frame member 20 i~ rigidly attached to the upper frame member 110.
Subs~antially confined within the upper frame ~ ~mber 10 and the lower frame member 20 is ~ thermally re~pon~ive actua~or device 38. The thermally re~pon31ve ~CtuaLor device 38 include~ a rigid con~alner 40, provided wlth ther~ally re~ponsi~e exp~n~ive material therein, ~uch a~ wa~ or the like, and an actustor rod 42. The ~5 therm~lly responsive actllator device 38 i~ preferably o the type dl~elo~ed in Uni~ed States Patents 2,806,375 and 2~80$,376. Howeve~, other ~ypes of ac-Luator devices may ~180 be ~tisfactory.
~, _ Docket 2648 1~ ~ S9 ~ 5 The lower portion vf the ri~id cont~iner 40 is encompa~ed by the ring portion 2~ of the lower frame member 20. The upper portion of the rigid container 40 i8 attached to a closur~ member 50. The clo~ure member 50 is preferably of sheet meLal material. A coil ~pring 54 encomp~seR the container 40 and is compre~ed betweer the clo~ure memb~r 50 and the ring portion 28. The ring portion 28 has an upstanding flange 5~ which is encompassed by the lower part of the spring 54. Thu~, ~he coil ~pring 54 ux~es the clo~ure melDber 50 toward the annular valve ~eat portion 12 of the upper frame member 10, and the clo~ure me~ber S0 is normally in engagemcn~ with the annular valve ~eat portion 12. The actuator rod 42 i8 in engag~ment with ~he bridge portion 14 of ~he upper 15 frame member 10. Integral with the leg portions 24 and the ring por~lon 28 of the lower frame member 20 are exten~ion~
or foot portions S0. The foot portion~ 60 are angular with re~pect to the leg portions 24.
The ther~o~tatic valve device 8 of this inv~ntion ~ -L~ ad8pted to be positioned withln a conduit o:E a cooling ~y~tem o-~ an automotive englne. FIGS. 3 and 4 show a conduit gtructure 64 provided with a fixed portion 66 with which the foot por~ions or extensions 60 Df the lower frame member 20 are in engagement. A removable condui~
m~mber 70 ~ub~tant.L~lly enclo~es the thermally res~onsive fluld control valve de~lce 8. The F~vable conduit member 70 i8 ~ecured ~o the fixed portion 66 by means of bolts or cap ~crews 74. The re~ovable condu:i~ member 70 ha~ an annular intern~l surface 78 which i8 engaged by an ~ tomeric ~cket 264~ 5~5 ~ealing ring 8D. The ela~tomeric s~aling ring 80 ~lso ~ngage~ the upper ~urface of the annular valve 4ea~ por~ion 12 of the uppe~ fr~me member 10 and may be a~tached thereto, a~ illu~trated in FIG. 1. Thus, che thermostatic fluid i control valve device 8 is firmly posi-~ioned within the condui~ s~ructure 64.
The fixed portion 66 of ~he conduit structure 6~ ha~ an opening ~2 therein wi~hin which ~he lower part of the lower frame member 20 is positioned. The rem~vabl~
LO conduit member 70 has an opening 84 and an op~ning 88 therein, which are adapted to be in communication with downstream conduit portions of the conduit ~tructure 64 and ~ooling sy~tem.
A~ illustrated in FIG. 3, during operation of the engine with which the thermally respon~ive fluid control valve devi~e 8 of this invention is a~ociated, fluid flow~ upwardly through the opening 82, as illus~rated by arrows 90, and normally all of the fluid flows3 ou~wardly through the opening 84, a~ illustrated by an arrow 92.
'0 ~owever, when the temperatuxe of the fluid which engages the thermally responsive actuator dev-Lce 38 reaches a given predetenmlned magnitude~ the thermally responsive ~ctuator device 38 operate~ and the closure m~mber 50 1~ ~oved down~ardly to open the fluid flow passage ~hrough th~ annular valve seat portion 12 of the upper frame member 10. When ~hi~ occurs 3 ~ome of the fluid flow~ upwardly throu~h ~he opening 88 3 a~ illu~trated by an arrow 98 in ~IG. 4.
ocket 2648 ~5~
Therefore, it is to be under.stood that a thermostatic ~luid control v~lve device 8 of this invention ~erve~
a~ a by-pass fluid control valve device7 firmly posi~ioned be~ween two in~ernal surface~ of a fluid conduit s~ruc~ure or ~ystem and operable to control flow of fluid from an upstre2m condult to two downstream condui~.
~IG. 2 ~hows tha~ the lower frame memb~r '~0 .i~ a ~ingle pi~ce ~f ~heet me~al material which is cut ~nd formed in the manner illustrated. FIGS. 3 and 4 show LO that the upper frame member 10 is a single piece of sheet metal material formed in the msnner illustrated. It is to be understood, however, that either the upper Erame member lQ or the lower frame member 20 may consist ~f a plurality of pi~ce~ which ~re joined toge~her in any suitable LS ~anner. It 18 therefore ~o be understood tha~ the thermostatic fLuld control valve device 8 of this inven~ion may be produc~d at r~latively low cost~ and may be e~sily and readily installed withln a by-pa~ coollng sy~tem of an autQ~otive englne.
Claims (5)
1. In a thermostatic fluid control valve device adapted for use in a cooling system of an automotive engine in which the cooling system has a first engagement surface and an axially spaced generally parallel second engagement surface, the device comprising a first single-piece sheet metal frame member, the first frame member including an annular valve seat portion defining a fluid port and a bridge portion extending over the fluid port, a second single-piece sheet metal frame member, the second frame member including a plurality of leg portions integrally connected by a ring portion, means for joining the leg portions of the second frame member to the annular valve seat portion of the first frame member, a thermally responsive actuator member having a portion encompassed by the ring portion of the second frame member and a portion in engagement with the bridge portion of the first frame member, a closure member attached to the thermally responsive actuator member and movable with respect to the valve seat portion to close and to open the fluid port, and the thermostatic valve device being adapted to be positioned between the first and second engagement surfaces of the cooling system with the seat portion adjacent the first engagement surface, the improvement wherein the second single-piece sheet metal frame member includes a plurality of foot portions also integrally connected by the ring portion, the foot portions being formed from the second single-piece sheet metal frame member and projecting outwardly from the ring portion, and the foot portions being angular with respect to the leg portions, each of the foot portions being positioned between two of the leg portions for engaging the second engagement surface.
2. A thermostatic fluid control valve of Claim ? wherein there is a pair of leg portions and in which the leg portions are diametrically disposed with respect to the ring portion, and in which there is a pair of foot portions and in which the foot portions are diametrically disposed with respect to the ring portion and project outwardly laterally adjacent the leg portions.
3. A thermostatic fluid control device of Claim ? which includes an annular elastomeric sealing member sandwiched between the second engagement surface and the annular valve seat portion of the first frame member and in engagement therewith.
4. A thermostatic fluid control valve device particularly adapted for use in the cooling system of an automotive engine in which the cooling system has a first engagement surface and a second engagement surface, the engagement surfaces being spaced apart, comprising a first frame member, the first frame member being provided with an annular valve seat portion forming a fluid port and a bridge portion extending over the fluid port, a second frame member, the second frame member including plurality of leg portions joined together by an integral ring portion, the second frame member also including a plurality of integral foot portions extending laterally from the leg portions, the thermostatic valve device being adapted to be positioned between the first and second engagement surfaces of the cooling system, with the foot portions in engagement with the first engagement surface and with the annular valve seat portion adjacent the second engagement surface, a thermally responsive actuator member having a portion encompassed by the ring portion of the second frame member and a portion in engagement with the bridge portion of the first frame member, and a closure member attached to the thermally responsive actuator member and movable with respect to the valve seat portion to close and to open the fluid port.
5. A thermally responsive fluid control valve device of the type provided with a first frame member of sheet metal material, the first frame member including an annular valve seat portion forming a fluid port and a bridge portion integral with the annular valve seat portion and extending across the fluid port, a closure member of sheet metal material engageable with the annular valve seat portion of the first frame member to close the fluid port, a thermally responsive actuator member having a portion attached to the closure member and a portion attached to the bridge portion of the first frame member, a coil spring encompassing a portion of the thermally responsive actuator member, the improvement comprising: a second frame member of sheet metal material including a ring portion and a pair of leg portions integral with the ring portion and extending from the ring portion, a pair of foot portions integral with the ring portion and the leg portions and being angular with respect to the leg portions, the leg portions of the second frame member being attached to the annular valve seat portion of the first frame member to form a frame unit adapted to be positioned within a fluid conduit system with the foot portions in engagement with a part of the fluid conduit system, the coil spring engaging the closure member and the ring portion of the second frame member and urging the closure member toward the valve seat portion of the first frame member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31832181A | 1981-11-05 | 1981-11-05 | |
| US318,321 | 1981-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1195965A true CA1195965A (en) | 1985-10-29 |
Family
ID=23237676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000414557A Expired CA1195965A (en) | 1981-11-05 | 1982-10-29 | Automotive thermostatic fluid control valve device |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA1195965A (en) |
| DE (1) | DE3240939A1 (en) |
| GB (1) | GB2108663B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8911582U1 (en) * | 1989-09-28 | 1991-01-24 | Behr-Thomson Dehnstoffregler Gmbh & Co, 7014 Kornwestheim, De | |
| DE9100356U1 (en) * | 1991-01-12 | 1992-05-27 | Behr-Thomson Dehnstoffregler Gmbh & Co, 7014 Kornwestheim, De | |
| DE9306742U1 (en) * | 1993-05-06 | 1994-09-22 | Behr Thomson Dehnstoffregler | Thermostatic valve |
| FR2716519B1 (en) * | 1994-02-18 | 1996-05-31 | Vernet Sa | Improvement to thermostats with integrated housing. |
| DE4416240C1 (en) * | 1994-05-07 | 1995-06-01 | Wahler Gmbh & Co Gustav | Thermostat water valve for road vehicle cooling system |
| DE9412727U1 (en) * | 1994-08-06 | 1995-12-07 | Behr Thomson Dehnstoffregler | Thermostatic valve |
| US5775270A (en) * | 1994-12-21 | 1998-07-07 | Behr Thermot-Tronik Gmbh & Co. | Thermostatic valve for the coolant circulation system of an internal-combustion engine |
| WO1997023740A1 (en) * | 1995-12-22 | 1997-07-03 | Danfoss Ab | Thermal actuator |
| FR2747153B1 (en) * | 1996-04-04 | 1998-07-10 | Vernet Sa | THERMOSTATIC DEVICE, IN PARTICULAR FOR A COOLING CIRCUIT OF A HEAT ENGINE |
| DE10104179B4 (en) | 2001-01-23 | 2013-10-31 | Behr Thermot-Tronik Gmbh | Thermostatic valve with a ring slide |
| DE102004005955A1 (en) * | 2004-02-02 | 2005-08-18 | Behr Thermot-Tronik Gmbh | Thermostatic valve for passenger cabin heating for road vehicle has spring-loaded valve plate opened by electric thermostatic actuator and has spring engaging transverse beam and cylindrical stop |
| FR2896319B1 (en) * | 2006-01-17 | 2010-09-03 | Vernet | THERMOSTAT FOR CONTROLLING A FLUID AND METHOD FOR MANUFACTURING SUCH A THERMOSTAT |
| DE102010004441A1 (en) * | 2010-01-07 | 2011-07-14 | Behr Thermot-tronik GmbH, 70806 | Thermostatic insert with basic body |
| FR3049326B1 (en) * | 2016-03-23 | 2018-04-20 | Vernet | THERMOSTATIC VALVE FOR A FLUID CIRCUIT CIRCUIT, AND METHOD OF MANUFACTURING SUCH A THERMOSTATIC VALVE |
| DE102017214788A1 (en) * | 2017-08-24 | 2019-02-28 | Mahle International Gmbh | thermostatic valve |
| DE102017215462B4 (en) | 2017-09-04 | 2022-10-27 | Mahle International Gmbh | Air conditioning of a vehicle |
-
1982
- 1982-10-29 CA CA000414557A patent/CA1195965A/en not_active Expired
- 1982-10-29 GB GB08231032A patent/GB2108663B/en not_active Expired
- 1982-11-05 DE DE19823240939 patent/DE3240939A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB2108663B (en) | 1985-06-26 |
| DE3240939A1 (en) | 1983-05-11 |
| GB2108663A (en) | 1983-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |