ZA733600B - Float operated electrical switch assembly - Google Patents

Float operated electrical switch assembly

Info

Publication number
ZA733600B
ZA733600B ZA733600A ZA733600A ZA733600B ZA 733600 B ZA733600 B ZA 733600B ZA 733600 A ZA733600 A ZA 733600A ZA 733600 A ZA733600 A ZA 733600A ZA 733600 B ZA733600 B ZA 733600B
Authority
ZA
South Africa
Prior art keywords
switch assembly
electrical switch
operated electrical
float operated
float
Prior art date
Application number
ZA733600A
Other languages
English (en)
Inventor
R Innes
F Tubb
Original Assignee
Trist Controls Ltd Ronald
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 Trist Controls Ltd Ronald filed Critical Trist Controls Ltd Ronald
Publication of ZA733600B publication Critical patent/ZA733600B/xx

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
    • 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
    • G01F23/72—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 magnetically actuated indicating means
    • G01F23/74—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 magnetically 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
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
    • H01H13/186—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift wherein the pushbutton is rectilinearly actuated by a lever pivoting on the housing of the 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)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Level Indicators Using A Float (AREA)
ZA733600A 1972-06-12 1973-05-28 Float operated electrical switch assembly ZA733600B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2729972A GB1427523A (en) 1972-06-12 1972-06-12 Float switches

Publications (1)

Publication Number Publication Date
ZA733600B true ZA733600B (en) 1974-07-31

Family

ID=10257330

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA733600A ZA733600B (en) 1972-06-12 1973-05-28 Float operated electrical switch assembly

Country Status (11)

Country Link
US (1) US3944844A (ja)
JP (1) JPS4952662A (ja)
AU (1) AU468456B2 (ja)
BE (1) BE800794A (ja)
CH (1) CH558591A (ja)
DE (2) DE7321622U (ja)
FR (1) FR2188289B1 (ja)
GB (1) GB1427523A (ja)
IT (1) IT985386B (ja)
NL (1) NL7308022A (ja)
ZA (1) ZA733600B (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59205121A (ja) * 1983-05-09 1984-11-20 積水化成品工業株式会社 フロ−トスイツチ
US4746776A (en) * 1987-07-22 1988-05-24 Webster Electric Company, Inc. Float-actuated switching assembly
GB8907419D0 (en) * 1989-04-01 1989-05-17 Cooper Robert Liquid level monitoring apparatus
US5343226A (en) 1990-09-28 1994-08-30 Dataproducts Corporation Ink jet ink supply apparatus
GB2292836B (en) * 1994-09-01 1998-06-10 S B Services Device for detecting the presence of gas in the output of a pump
US20030029223A1 (en) * 2001-08-10 2003-02-13 Taylor J. Lawrence Fully automated, self testing level sensor
EP1889015A4 (en) * 2005-06-08 2014-06-11 Lumenite Control Technology Inc SELF-CALIBRATING LIQUID LEVEL TRANSMITTER
CN113959519A (zh) * 2021-10-29 2022-01-21 黄岛检验认证有限公司 一种料位计

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3293579A (en) * 1965-04-23 1966-12-20 Acme Machine Works Inc Liquid level indicator incorporating permanent magnets

Also Published As

Publication number Publication date
FR2188289B1 (ja) 1979-01-12
AU468456B2 (en) 1976-01-15
CH558591A (de) 1975-01-31
FR2188289A1 (ja) 1974-01-18
JPS4952662A (ja) 1974-05-22
US3944844A (en) 1976-03-16
GB1427523A (en) 1976-03-10
IT985386B (it) 1974-11-30
BE800794A (fr) 1973-12-12
AU5649573A (en) 1974-12-05
DE7321622U (de) 1974-04-18
DE2329474A1 (de) 1974-01-03
NL7308022A (ja) 1973-12-14

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