CA984172A - Specific gravity sensor - Google Patents

Specific gravity sensor

Info

Publication number: CA984172A
Authority: CA; Canada
Prior art keywords: specific gravity; gravity sensor; sensor; specific; gravity
Prior art date: 1972-09-07
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.)

1972-09-07

Filing date

1973-09-06

Publication date

1976-02-24

1973-09-06 Application filed by Philip A Hunt Chemical Corp filed Critical Philip A Hunt Chemical Corp

1976-02-24 Application granted granted Critical

1976-02-24 Publication of CA984172A publication Critical patent/CA984172A/en

Status Expired legal-status Critical Current

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

Landscapes

Physics & Mathematics (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
General Physics & Mathematics (AREA)
Immunology (AREA)
Pathology (AREA)
ing And Chemical Polishing (AREA)
Chemically Coating (AREA)

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

1972
- 1972-09-07 US US287054A patent/US3868485A/en not_active Expired - Lifetime
1973
- 1973-09-06 CA CA180,694A patent/CA984172A/en not_active Expired
- 1973-09-06 FR FR7332212A patent/FR2199402A5/fr not_active Expired
- 1973-09-07 GB GB4223073A patent/GB1441324A/en not_active Expired
- 1973-09-07 JP JP48101593A patent/JPS4993053A/ja active Pending
- 1973-09-07 BE BE135425A patent/BE804587A/en unknown

Also Published As

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

Publication	Publication Date	Title
CA987246A (en)	1976-04-13	Container construction
CA919942A (en)	1973-01-30	Sensor
CA960778A (en)	1975-01-07	Sensing apparatus
CA1029115A (en)	1978-04-04	Humidity sensor
CA976275A (en)	1975-10-14	Integrating scale
CA984172A (en)	1976-02-24	Specific gravity sensor
CA979644A (en)	1975-12-16	Trail-grooming device
CA982962A (en)	1976-02-03	Container construction
CA1010678A (en)	1977-05-24	Enthalpy-calculating device
CA998460A (en)	1976-10-12	Light-intensifying device
CA998568A (en)	1976-10-19	Seed-dispensing device
CA979645A (en)	1975-12-16	Trail-grooming device
SU604639A1 (en)	1978-04-30	Contact sensor
CA994374A (en)	1976-08-03	Weighing device
CA909827A (en)	1972-09-12	Sensor
CA912851A (en)	1972-10-24	Level sensor
CA901124A (en)	1972-05-23	Sensor construction
CA943928A (en)	1974-03-19	Sensor device
AU5081173A (en)	1974-07-11	Speed indicating
CA915752A (en)	1972-11-28	Powder level sensing
CA939526A (en)	1974-01-08	Accelerometer
CA895991A (en)	1972-03-21	Light sensor
CA894340A (en)	1972-02-29	Light sensor
CA893902A (en)	1972-02-22	Immersion responsive sensor
AU457054B2 (en)	1975-01-16	Improved weighing device