FR2255826A5 - Expansion type thermostat for engine control - has wax and oil whose expansion coefficients are non-constant and constant - Google Patents

Expansion type thermostat for engine control - has wax and oil whose expansion coefficients are non-constant and constant

Info

Publication number
FR2255826A5
FR2255826A5 FR7346184A FR7346184A FR2255826A5 FR 2255826 A5 FR2255826 A5 FR 2255826A5 FR 7346184 A FR7346184 A FR 7346184A FR 7346184 A FR7346184 A FR 7346184A FR 2255826 A5 FR2255826 A5 FR 2255826A5
Authority
FR
France
Prior art keywords
constant
wax
base material
engine control
oil whose
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
Application number
FR7346184A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VERNET EXPLOIT PROCEDES
Original Assignee
VERNET EXPLOIT PROCEDES
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by VERNET EXPLOIT PROCEDES filed Critical VERNET EXPLOIT PROCEDES
Priority to FR7346184A priority Critical patent/FR2255826A5/en
Application granted granted Critical
Publication of FR2255826A5 publication Critical patent/FR2255826A5/en
Expired legal-status Critical Current

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
    • G05D23/023—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 outside a regulating fluid flow

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Lubricants (AREA)

Abstract

A housing (2, 3) contains a thermally expansible material (16) and a mechanism can be displaced by the action of a membrane (1), or other deformable body, in contact with the material. The expansible material is constituted by a first base material (13) which has a constant cubic expansion coefficient, as a function of temperature, and a second base material (14) comprising one or several bodies whose cubic expansion coefficient increases within a given temperature range. The first base material is typically a methylpolysiloxane oil and the coefficient charge of the second base material which is typically a petrol wax is due to crystalline charges.
FR7346184A 1973-12-21 1973-12-21 Expansion type thermostat for engine control - has wax and oil whose expansion coefficients are non-constant and constant Expired FR2255826A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7346184A FR2255826A5 (en) 1973-12-21 1973-12-21 Expansion type thermostat for engine control - has wax and oil whose expansion coefficients are non-constant and constant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7346184A FR2255826A5 (en) 1973-12-21 1973-12-21 Expansion type thermostat for engine control - has wax and oil whose expansion coefficients are non-constant and constant

Publications (1)

Publication Number Publication Date
FR2255826A5 true FR2255826A5 (en) 1975-07-18

Family

ID=9129657

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7346184A Expired FR2255826A5 (en) 1973-12-21 1973-12-21 Expansion type thermostat for engine control - has wax and oil whose expansion coefficients are non-constant and constant

Country Status (1)

Country Link
FR (1) FR2255826A5 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111673A2 (en) * 1982-12-11 1984-06-27 Taisei Kogyo Co., Ltd. Control apparatus for heat exchanger
US4828167A (en) * 1986-06-12 1989-05-09 Yoshikazu Kuze Wax-pellet thermostat
EP0852348A1 (en) * 1997-01-03 1998-07-08 Renault Thermostat, in particular for mounting downstream of an exchanger and upstream of a natural gas powered engine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111673A2 (en) * 1982-12-11 1984-06-27 Taisei Kogyo Co., Ltd. Control apparatus for heat exchanger
EP0111673A3 (en) * 1982-12-11 1985-05-15 Taisei Kogyo Co., Ltd. Control apparatus for heat exchanger
US4595046A (en) * 1982-12-11 1986-06-17 Taisei Kogyo Co., Ltd. Control apparatus for heat exchanger
US4828167A (en) * 1986-06-12 1989-05-09 Yoshikazu Kuze Wax-pellet thermostat
EP0852348A1 (en) * 1997-01-03 1998-07-08 Renault Thermostat, in particular for mounting downstream of an exchanger and upstream of a natural gas powered engine
FR2758193A1 (en) * 1997-01-03 1998-07-10 Renault THERMOSTAT, IN PARTICULAR FOR MOUNTING DOWNSTREAM OF AN EXCHANGER AND UPSTREAM OF A NATURAL GAS ENGINE

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Legal Events

Date Code Title Description
ST Notification of lapse