FR2343237A1 - Commutateur-detecteur de difference de pression - Google Patents

Commutateur-detecteur de difference de pression

Info

Publication number
FR2343237A1
FR2343237A1 FR7700729A FR7700729A FR2343237A1 FR 2343237 A1 FR2343237 A1 FR 2343237A1 FR 7700729 A FR7700729 A FR 7700729A FR 7700729 A FR7700729 A FR 7700729A FR 2343237 A1 FR2343237 A1 FR 2343237A1
Authority
FR
France
Prior art keywords
pressure difference
difference detector
detector switch
switch
pressure
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Withdrawn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
FR7700729A
Other languages
English (en)
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.)
Johnson Controls Inc
Original Assignee
Johnson Controls Inc
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 Johnson Controls Inc filed Critical Johnson Controls Inc
Publication of FR2343237A1 publication Critical patent/FR2343237A1/fr
Withdrawn legal-status Critical Current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
    • H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
    • G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
    • G01L13/025—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • H01H9/167—Circuits for remote indication

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Measuring Fluid Pressure (AREA)
FR7700729A 1976-03-03 1977-01-12 Commutateur-detecteur de difference de pression Withdrawn FR2343237A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/663,621 US4081636A (en) 1976-03-03 1976-03-03 Differential pressure cutout switch

Publications (1)

Publication Number Publication Date
FR2343237A1 true FR2343237A1 (fr) 1977-09-30

Family

ID=24662609

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7700729A Withdrawn FR2343237A1 (fr) 1976-03-03 1977-01-12 Commutateur-detecteur de difference de pression

Country Status (4)

Country Link
US (1) US4081636A (fr)
JP (1) JPS52106477A (fr)
DE (1) DE2709318A1 (fr)
FR (1) FR2343237A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0630033A1 (fr) * 1993-06-15 1994-12-21 Texas Instruments Incorporated Pressostat pour surveiller la pression dans une enceinte fermée et méthodes pour son calibrage et pour la fabrication d'un bras de contact mobile l'utilisant

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4242571A (en) * 1979-01-29 1980-12-30 Pauliukonis Richard S Electro-thermal linear pull actuator
US4532390A (en) * 1982-11-17 1985-07-30 Signal Lux S.P.A. Diaphragm pressure switch for controlling small pressure gradients
JPS612221A (ja) * 1984-06-14 1986-01-08 本田技研工業株式会社 圧力スイツチ
JPH0545941Y2 (fr) * 1986-09-30 1993-11-30
US4882459A (en) * 1987-11-02 1989-11-21 Square D Company Pressure sensitive switch having rugged construction and accurate trip pressure settings
US5122628A (en) * 1990-05-25 1992-06-16 Fike Corporation Sudden pressure rise detector
US5120915A (en) * 1991-02-01 1992-06-09 Johnson Service Company Pressure-actuated pump control switch
US5132500A (en) * 1991-02-11 1992-07-21 Micro Pneumatic Logic, Inc. Differential pressure switch with sealed contacts
US5140113A (en) * 1991-05-22 1992-08-18 United Electric Controls Company Differential pressure control switch with a pivoting actuating lever and a biasing spring sealed in a housing
US5198631A (en) * 1991-09-11 1993-03-30 General Electric Company Pressure responsive control device
GB9721091D0 (en) * 1997-10-03 1997-12-03 Arctic Circle Limited A terminal box for a refrigeration compressor
DE102006047657A1 (de) * 2006-03-07 2007-09-13 Deutsches Zentrum für Luft- und Raumfahrt e.V. Mehrstufiger Verdichter
IT1391302B1 (it) * 2008-10-28 2011-12-01 Elbi Int Spa Dispositivo rilevatore del livello di un liquido in un contenitore, in particolare del bagno di lavaggio in una macchina lavatrice
CN102323004A (zh) * 2011-06-01 2012-01-18 合肥望远电子科技有限公司 一种开关量差压传感器
CN107387418B (zh) * 2017-08-22 2023-07-07 上海奉申制冷控制器股份有限公司 一种fsedt系列电子延时压差控制器
US10941775B2 (en) 2017-12-28 2021-03-09 Ingersoll-Rand Industrial U.S., Inc. Compressor stop valve and associated system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2623963A (en) * 1948-04-27 1952-12-30 Dayton Pump & Mfg Company Pressure switch
DE1051359B (de) * 1956-10-11 1959-02-26 Theodor Stiebel Dipl Ing Dr Differenzdruck-Schalter bzw. -Regler zum OEffnen und Schliessen elektrischer Kontakte
US3007017A (en) * 1960-04-12 1961-10-31 Dwyer Mfg Co F W Pressure switch
US3363072A (en) * 1965-10-01 1968-01-09 Gen Motors Corp Differential pressure or temperature operated refrigerator switch
US3525262A (en) * 1969-02-05 1970-08-25 Ford Motor Co Electric pressure gauge
US3591051A (en) * 1969-03-17 1971-07-06 Mitchell Co John E Control to proportion ingredients supplied to drink dispensers
US3577208A (en) * 1969-07-03 1971-05-04 John T Petrick Electrostatic grounding probe for use in explosive atmospheres
US3676622A (en) * 1971-05-28 1972-07-11 Joseph S Brumbelow Non-sparking electrical switch
US3859484A (en) * 1973-09-10 1975-01-07 Robert E Nelson Cyclic pressure switch with plural diaphrams

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0630033A1 (fr) * 1993-06-15 1994-12-21 Texas Instruments Incorporated Pressostat pour surveiller la pression dans une enceinte fermée et méthodes pour son calibrage et pour la fabrication d'un bras de contact mobile l'utilisant

Also Published As

Publication number Publication date
DE2709318A1 (de) 1977-09-15
JPS52106477A (en) 1977-09-07
US4081636A (en) 1978-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse