CA984172A - Specific gravity sensor - Google Patents

Specific gravity sensor

Info

Publication number
CA984172A
CA984172A CA180,694A CA180694A CA984172A CA 984172 A CA984172 A CA 984172A CA 180694 A CA180694 A CA 180694A CA 984172 A CA984172 A CA 984172A
Authority
CA
Canada
Prior art keywords
specific gravity
gravity sensor
sensor
specific
gravity
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
CA180,694A
Other versions
CA180694S (en
Inventor
Kenneth Murski
Donald J. Sykes
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.)
Philip A Hunt Chemical Corp
Original Assignee
Philip A Hunt Chemical Corp
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 Philip A Hunt Chemical Corp filed Critical Philip A Hunt Chemical Corp
Application granted granted Critical
Publication of CA984172A publication Critical patent/CA984172A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
    • G01N9/12—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers
    • G01N9/18—Special adaptations for indicating, recording, or control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
    • G01N9/12—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers
    • G01N9/16—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers the body being pivoted
CA180,694A 1972-09-07 1973-09-06 Specific gravity sensor Expired CA984172A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US287054A US3868485A (en) 1972-09-07 1972-09-07 Density sensing probe switch with adjustable float

Publications (1)

Publication Number Publication Date
CA984172A true CA984172A (en) 1976-02-24

Family

ID=23101269

Family Applications (1)

Application Number Title Priority Date Filing Date
CA180,694A Expired CA984172A (en) 1972-09-07 1973-09-06 Specific gravity sensor

Country Status (6)

Country Link
US (1) US3868485A (en)
JP (1) JPS4993053A (en)
BE (1) BE804587A (en)
CA (1) CA984172A (en)
FR (1) FR2199402A5 (en)
GB (1) GB1441324A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438016A1 (en) * 1978-10-05 1980-04-30 Esswein Sa Alarm warning to add regenerative salt to water softener etc. - uses switch held open by submerged float carrying gradually dissolving salt
DE3046536A1 (en) * 1980-12-10 1982-07-15 Siemens AG, 1000 Berlin und 8000 München Liq. density regulator using position transducer - has buoyancy body density sensor with pivot remote from centre of gravity
US4513185A (en) * 1982-01-19 1985-04-23 Lucas Industries Float operated electrical switch assembly
US4489224A (en) * 1983-04-01 1984-12-18 The Bendix Corporation Fluid level indicator
US4755790A (en) * 1984-07-04 1988-07-05 Suzuki Jidosha Kogyo Kabushiki Kaisha Float switch, a control apparatus and a warning apparatus of an engine
US4848151A (en) * 1985-03-08 1989-07-18 Kelsey-Hayes Company Liquid level detector
US4748299A (en) * 1987-07-24 1988-05-31 Cte Chem Tech Equipment Corp. Level sensing system with latching device
JP2577461B2 (en) * 1988-10-26 1997-01-29 株式会社 ソミック石川 Liquid level indicator
GB8907419D0 (en) * 1989-04-01 1989-05-17 Cooper Robert Liquid level monitoring apparatus
DE4116176A1 (en) * 1990-06-02 1991-12-05 Abdolreza Sarzaeim Immersion unit for measuring density, temp. and pressure - is cylindrical body working on Archimedean principle when immersed in liq. or gas
US5374790A (en) * 1993-02-05 1994-12-20 Rochester Gauges, Inc. Liquid level switch assembly
US5581062A (en) * 1993-08-17 1996-12-03 Standex International Corporation Side-mountable liquid level sensor assembly
US5757483A (en) * 1997-08-06 1998-05-26 Stellarnet, Inc. Dual beam optical spectrograph
US6253608B1 (en) 1999-08-27 2001-07-03 Standex International Corporation Side mount liquid level sensor with enhanced float travel
US6846994B2 (en) * 2001-09-19 2005-01-25 Justin B. Wenner System and method to delay closure of a normally closed electrical circuit
US8840960B2 (en) * 2006-11-01 2014-09-23 United Technologies Corporation Method of cleaning carbon composite prior to application of thermal coating
US9362072B2 (en) 2012-06-07 2016-06-07 Pentair Flow Technologies, Llc Magnetic float switch

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1680697A (en) * 1927-07-05 1928-08-14 Fedders Mfg Co Inc Hollow body
US2627178A (en) * 1951-01-02 1953-02-03 John T Hayward Liquid level rate of change indicating device
US2726296A (en) * 1953-06-22 1955-12-06 Louis P Hanson Magnetically operated float switch
US2896038A (en) * 1957-01-18 1959-07-21 Gerber Harry Swimming pool alarm
US3307126A (en) * 1963-08-20 1967-02-28 Sylvania Electric Prod Encapsulated magnetic switch
US3265822A (en) * 1964-12-14 1966-08-09 Jesse H Moulton Tire pressure indicating device
US3333072A (en) * 1965-05-13 1967-07-25 Telsco Ind Rain responsive circuit breaker
US3322917A (en) * 1966-01-25 1967-05-30 Black Sivalls & Bryson Inc Float switch
US3309474A (en) * 1966-01-25 1967-03-14 Selby S Soward Rainfall actuated switching apparatus
US3471665A (en) * 1967-05-26 1969-10-07 Simmonds Precision Products Magnetic reed float switch for use within the interior of a liquid container having a removable installation feature
US3702910A (en) * 1971-03-24 1972-11-14 Simmonds Precision Products Magnetic float point sensor for high pressure containers
US3820098A (en) * 1972-04-18 1974-06-25 T Demyon Electrical and visual fluid level sensor

Also Published As

Publication number Publication date
JPS4993053A (en) 1974-09-04
GB1441324A (en) 1976-06-30
US3868485A (en) 1975-02-25
BE804587A (en) 1974-01-02
FR2199402A5 (en) 1974-04-05

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