FR2128780A1 - Fail-safe manometric thermostat - suitable for use with refrigerators - Google Patents

Fail-safe manometric thermostat - suitable for use with refrigerators

Info

Publication number
FR2128780A1
FR2128780A1 FR7208252A FR7208252A FR2128780A1 FR 2128780 A1 FR2128780 A1 FR 2128780A1 FR 7208252 A FR7208252 A FR 7208252A FR 7208252 A FR7208252 A FR 7208252A FR 2128780 A1 FR2128780 A1 FR 2128780A1
Authority
FR
France
Prior art keywords
thermostat
diaphragm
manometric
refrigerators
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.)
Withdrawn
Application number
FR7208252A
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.)
Robert Bosch Hausgeraete GmbH
Original Assignee
Robert Bosch Hausgeraete GmbH
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 Robert Bosch Hausgeraete GmbH filed Critical Robert Bosch Hausgeraete GmbH
Publication of FR2128780A1 publication Critical patent/FR2128780A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/26—Details
    • H01H35/2671—Means to detect leaks in the pressure sensitive element

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Thermally Actuated Switches (AREA)
  • Control Of Resistance Heating (AREA)

Abstract

A thermostat operating switching e.g. of an electric heater, by movements of a pressure diaphragm connected to a temp. probe bulb, opposed by a spring, has a second switch in series opening when pressure indicated by diaphragm falls below a predetermined level, to prevent continued operation of appts. in the event of breakage or leakage of detector. Pref. both switches are opened and closed by contact with pins suitably positioned on a rod pressed on diaphragm by the spring.
FR7208252A 1971-03-09 1972-03-09 Fail-safe manometric thermostat - suitable for use with refrigerators Withdrawn FR2128780A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712111066 DE2111066A1 (en) 1971-03-09 1971-03-09 Temperature switch with a pressure cell controlled by a temperature sensor to actuate a switching element

Publications (1)

Publication Number Publication Date
FR2128780A1 true FR2128780A1 (en) 1972-10-20

Family

ID=5800886

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7208252A Withdrawn FR2128780A1 (en) 1971-03-09 1972-03-09 Fail-safe manometric thermostat - suitable for use with refrigerators

Country Status (3)

Country Link
DE (1) DE2111066A1 (en)
FR (1) FR2128780A1 (en)
IT (1) IT949927B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3740175A1 (en) * 1987-11-26 1989-06-08 Bosch Siemens Hausgeraete Electrically heatable, water-carrying domestic appliance
IT1220752B (en) * 1988-05-16 1990-06-21 Zanussi A Spa Industrie SAFETY DEVICE FOR THERMOSTAT, APPLICABLE IN PARTICULAR IN WASHING MACHINES, DISHWASHER OR SIMILAR MACHINES

Also Published As

Publication number Publication date
DE2111066A1 (en) 1972-09-14
IT949927B (en) 1973-06-11

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Legal Events

Date Code Title Description
ST Notification of lapse