FR1012247A - Improvements to float-controlled magnetic devices - Google Patents

Improvements to float-controlled magnetic devices

Info

Publication number
FR1012247A
FR1012247A FR1012247DA FR1012247A FR 1012247 A FR1012247 A FR 1012247A FR 1012247D A FR1012247D A FR 1012247DA FR 1012247 A FR1012247 A FR 1012247A
Authority
FR
France
Prior art keywords
float
magnetic devices
controlled magnetic
controlled
devices
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
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.)
Ronald Trist and Co Ltd
Original Assignee
Ronald Trist and Co Ltd
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 Ronald Trist and Co Ltd filed Critical Ronald Trist and Co Ltd
Application granted granted Critical
Publication of FR1012247A publication Critical patent/FR1012247A/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
    • G01F23/32—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 using rotatable arms or other pivotable transmission elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
    • F22D5/08—Controlling water feed or water level; Automatic water feeding or water-level regulators with float-actuated valves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/18—Switches operated by change of liquid level or of liquid density, e.g. float switch
    • 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)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR1012247D 1949-07-15 1950-02-08 Improvements to float-controlled magnetic devices Expired FR1012247A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1012247X 1949-07-15

Publications (1)

Publication Number Publication Date
FR1012247A true FR1012247A (en) 1952-07-07

Family

ID=10867919

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1012247D Expired FR1012247A (en) 1949-07-15 1950-02-08 Improvements to float-controlled magnetic devices

Country Status (1)

Country Link
FR (1) FR1012247A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0945951A2 (en) * 1998-03-24 1999-09-29 COMEM S.p.A. Improved gas-accumulation Buchholz relay

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0945951A2 (en) * 1998-03-24 1999-09-29 COMEM S.p.A. Improved gas-accumulation Buchholz relay
EP0945951A3 (en) * 1998-03-24 2000-06-07 COMEM S.p.A. Improved gas-accumulation Buchholz relay

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