GB1231225A - - Google Patents

Info

Publication number
GB1231225A
GB1231225A GB1231225DA GB1231225A GB 1231225 A GB1231225 A GB 1231225A GB 1231225D A GB1231225D A GB 1231225DA GB 1231225 A GB1231225 A GB 1231225A
Authority
GB
United Kingdom
Prior art keywords
orifice
flow
magnet
pressure difference
chamber
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
Other languages
English (en)
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 filed Critical
Publication of GB1231225A publication Critical patent/GB1231225A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/0006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances
    • G01P13/0013—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using a solid body which is shifted by the action of the fluid
    • G01P13/002—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using a solid body which is shifted by the action of the fluid with electrical coupling to the indicating devices
    • 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
    • H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane
    • H01H35/405—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane the switch being of the reed switch type

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
GB1231225D 1968-06-10 1968-06-10 Expired GB1231225A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2748168 1968-06-10

Publications (1)

Publication Number Publication Date
GB1231225A true GB1231225A (enrdf_load_stackoverflow) 1971-05-12

Family

ID=10260298

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1231225D Expired GB1231225A (enrdf_load_stackoverflow) 1968-06-10 1968-06-10

Country Status (1)

Country Link
GB (1) GB1231225A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0383823A4 (en) * 1987-10-22 1990-12-12 Rosemount Inc. Transmitter with magnetic zero/span actuator
US5126722A (en) * 1991-02-04 1992-06-30 Lubriquip, Inc. Point of lube monitor
GB2255445A (en) * 1991-05-01 1992-11-04 Pall Corp Pressure devices

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0383823A4 (en) * 1987-10-22 1990-12-12 Rosemount Inc. Transmitter with magnetic zero/span actuator
US5126722A (en) * 1991-02-04 1992-06-30 Lubriquip, Inc. Point of lube monitor
GB2255445A (en) * 1991-05-01 1992-11-04 Pall Corp Pressure devices
US5331856A (en) * 1991-05-01 1994-07-26 Pall Corporation Pressure devices
GB2255445B (en) * 1991-05-01 1994-11-30 Pall Corp Pressure devices

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees