GB1295833A - - Google Patents

Info

Publication number
GB1295833A
GB1295833A GB1295833DA GB1295833A GB 1295833 A GB1295833 A GB 1295833A GB 1295833D A GB1295833D A GB 1295833DA GB 1295833 A GB1295833 A GB 1295833A
Authority
GB
United Kingdom
Prior art keywords
float
nov
magnet
girling
energizable
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
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 GB1295833A publication Critical patent/GB1295833A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/68—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using electrically actuated indicating means
    • G01F23/70—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using electrically actuated indicating means for sensing changes in level only at discrete points
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)

Abstract

1295833 Movable magnet float switches GIRLING Ltd 7 Nov 1969 [28 Nov 1968] 56529/68 Heading H1N A switch in which a magnet 13 carried on a float 12 operates a sealed magnetic reed contact device 11 is provided with testing means which may be a manually operable plunger 17 for moving the float 12 or a solenoid (Fig. 2, not shown) energizable to move the float.
GB1295833D 1968-11-28 1968-11-28 Expired GB1295833A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5652968 1968-11-28

Publications (1)

Publication Number Publication Date
GB1295833A true GB1295833A (en) 1972-11-08

Family

ID=10476853

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295833D Expired GB1295833A (en) 1968-11-28 1968-11-28

Country Status (2)

Country Link
FR (1) FR2024406A1 (en)
GB (1) GB1295833A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4821022A (en) * 1988-04-04 1989-04-11 Jannotta Louis J Float assembly checking system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3246517A (en) * 1963-07-15 1966-04-19 Ford Motor Co Transducer system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4821022A (en) * 1988-04-04 1989-04-11 Jannotta Louis J Float assembly checking system

Also Published As

Publication number Publication date
FR2024406A1 (en) 1970-08-28

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee