SE9804046L - Vakuumvakt med strömledande membran - Google Patents

Vakuumvakt med strömledande membran

Info

Publication number
SE9804046L
SE9804046L SE9804046A SE9804046A SE9804046L SE 9804046 L SE9804046 L SE 9804046L SE 9804046 A SE9804046 A SE 9804046A SE 9804046 A SE9804046 A SE 9804046A SE 9804046 L SE9804046 L SE 9804046L
Authority
SE
Sweden
Prior art keywords
diaphragm
pressure
conductive diaphragm
house
exposed
Prior art date
Application number
SE9804046A
Other languages
Unknown language ( )
English (en)
Other versions
SE9804046D0 (sv
Inventor
Peter Tell
Original Assignee
Piab Ab
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 Piab Ab filed Critical Piab Ab
Priority to SE9804046A priority Critical patent/SE9804046L/sv
Publication of SE9804046D0 publication Critical patent/SE9804046D0/sv
Priority to AU14389/00A priority patent/AU1438900A/en
Priority to PCT/SE1999/002189 priority patent/WO2000031766A1/en
Publication of SE9804046L publication Critical patent/SE9804046L/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
    • G01L9/0058—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of pressure sensitive conductive solid or liquid material, e.g. carbon granules
    • 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
    • H01H35/346—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm in which the movable contact is formed or directly supported by the diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Measuring Fluid Pressure (AREA)
SE9804046A 1998-11-25 1998-11-25 Vakuumvakt med strömledande membran SE9804046L (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9804046A SE9804046L (sv) 1998-11-25 1998-11-25 Vakuumvakt med strömledande membran
AU14389/00A AU1438900A (en) 1998-11-25 1999-11-25 Pressure control switch with conductive diaphragm
PCT/SE1999/002189 WO2000031766A1 (en) 1998-11-25 1999-11-25 Pressure control switch with conductive diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9804046A SE9804046L (sv) 1998-11-25 1998-11-25 Vakuumvakt med strömledande membran

Publications (2)

Publication Number Publication Date
SE9804046D0 SE9804046D0 (sv) 1998-11-25
SE9804046L true SE9804046L (sv) 2000-05-26

Family

ID=20413413

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9804046A SE9804046L (sv) 1998-11-25 1998-11-25 Vakuumvakt med strömledande membran

Country Status (3)

Country Link
AU (1) AU1438900A (sv)
SE (1) SE9804046L (sv)
WO (1) WO2000031766A1 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2963303B1 (fr) 2010-07-29 2014-01-03 Renault Sa Capteur de vide pour servofrein et procede de controle associe
EP3616731B1 (en) * 2015-02-02 2021-05-26 3M Innovative Properties Company Pressure-operated switch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814877A (en) * 1972-10-17 1974-06-04 Jonathan Mfg Co Pressure switch with diaphragm and adjustable contact
US4000386A (en) * 1974-03-07 1976-12-28 Leesona Corporation Fluid operated electrical relays and systems
JPS55104036A (en) * 1979-02-02 1980-08-09 Shinetsu Polymer Co Signal generator
DE3128408A1 (de) * 1981-07-17 1983-02-03 Kaltenbach & Voigt Gmbh & Co, 7950 Biberach Vorrichtung zur umwandlung des druckes eines druckmittels in ein elektrisches signal
FR2626670A1 (fr) * 1987-06-17 1989-08-04 Gazzano Maurice Capteur de pressions et de deformations

Also Published As

Publication number Publication date
AU1438900A (en) 2000-06-13
WO2000031766A1 (en) 2000-06-02
SE9804046D0 (sv) 1998-11-25

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Legal Events

Date Code Title Description
NAV Patent application has lapsed