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CA2089704A1 - Fail-Open Locking Element and Thermostat Incorporating Same - Google Patents

Fail-Open Locking Element and Thermostat Incorporating Same

Info

Publication number
CA2089704A1
CA2089704A1 CA 2089704 CA2089704A CA2089704A1 CA 2089704 A1 CA2089704 A1 CA 2089704A1 CA 2089704 CA2089704 CA 2089704 CA 2089704 A CA2089704 A CA 2089704A CA 2089704 A1 CA2089704 A1 CA 2089704A1
Authority
CA
Canada
Prior art keywords
thermostat
locking element
end portion
incorporating same
fail
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.)
Granted
Application number
CA 2089704
Other languages
French (fr)
Other versions
CA2089704C (en
Inventor
Joseph Fishman
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.)
FISHMAN THERMO TECHNOLOGIES Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA 2089704 priority Critical patent/CA2089704C/en
Priority to GB9401820A priority patent/GB2275321B/en
Priority to FR9401820A priority patent/FR2705995A1/en
Publication of CA2089704A1 publication Critical patent/CA2089704A1/en
Application granted granted Critical
Publication of CA2089704C publication Critical patent/CA2089704C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/14—Indicating devices; Other safety devices
    • F01P11/16—Indicating devices; Other safety devices concerning coolant temperature
    • 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
    • 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
    • F01P2031/00—Fail safe
    • F01P2031/32—Deblocking of damaged thermostat

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (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)

Abstract

There is provided a locking element and a thermostat incorporating same for use in a liquid-cooling system. The locking element has attachment means comprising a body portion and an end portion for attaching the locking element to the thermostat. Locking means comprising a tab extending from the body portion locks the displaceable valve of the thermostat in an open position when the valve has been displaced a pre-determined amount.
In a first embodiment of the locking element, at least one aperture is defined in the end portion to attach the end portion to a lower bridge of the thermostat. In this embodiment, two locking elements are attached to the thermostat on opposing sides of the displaceable valve. In a second embodiment of the locking element, the end portion rests against the bottom member of the lower bridge of the thermostat. In this embodiment, two body portions extend from the end portion to opposing sides of the displaceable valve.
CA 2089704 1993-02-17 1993-02-17 Fail-open locking element and thermostat incorporating same Expired - Lifetime CA2089704C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA 2089704 CA2089704C (en) 1993-02-17 1993-02-17 Fail-open locking element and thermostat incorporating same
GB9401820A GB2275321B (en) 1993-02-17 1994-01-31 Fail-open locking element and thermostat incorporating same
FR9401820A FR2705995A1 (en) 1993-02-17 1994-02-17 Locking element for thermostat and thermostat for liquid cooling assemblies.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2089704 CA2089704C (en) 1993-02-17 1993-02-17 Fail-open locking element and thermostat incorporating same

Publications (2)

Publication Number Publication Date
CA2089704A1 true CA2089704A1 (en) 1994-08-18
CA2089704C CA2089704C (en) 1998-08-04

Family

ID=4151169

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2089704 Expired - Lifetime CA2089704C (en) 1993-02-17 1993-02-17 Fail-open locking element and thermostat incorporating same

Country Status (3)

Country Link
CA (1) CA2089704C (en)
FR (1) FR2705995A1 (en)
GB (1) GB2275321B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2842317A (en) * 1954-05-06 1958-07-08 Standard Thomson Corp Thermal valve with safety lock
DE3740500C1 (en) * 1987-11-30 1989-04-06 Behr Thomson Dehnstoffregler Thermostatically actuable valve

Also Published As

Publication number Publication date
GB9401820D0 (en) 1994-03-23
GB2275321A (en) 1994-08-24
FR2705995A1 (en) 1994-12-09
FR2705995B1 (en) 1997-02-14
CA2089704C (en) 1998-08-04
GB2275321A8 (en)
GB2275321B (en) 1996-10-23

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20130218