JPS4993053A - - Google Patents
Info
- Publication number
- JPS4993053A JPS4993053A JP48101593A JP10159373A JPS4993053A JP S4993053 A JPS4993053 A JP S4993053A JP 48101593 A JP48101593 A JP 48101593A JP 10159373 A JP10159373 A JP 10159373A JP S4993053 A JPS4993053 A JP S4993053A
- Authority
- JP
- Japan
- 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.)
- Pending
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
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 |
|---|---|
| JPS4993053A true JPS4993053A (en) | 1974-09-04 |
Family
ID=23101269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48101593A Pending JPS4993053A (en) | 1972-09-07 | 1973-09-07 |
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)
| 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)
| 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 FR FR7332212A patent/FR2199402A5/fr not_active Expired
- 1973-09-06 CA CA180,694A patent/CA984172A/en not_active Expired
- 1973-09-07 JP JP48101593A patent/JPS4993053A/ja active Pending
- 1973-09-07 BE BE135425A patent/BE804587A/en unknown
- 1973-09-07 GB GB4223073A patent/GB1441324A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2199402A5 (en) | 1974-04-05 |
| GB1441324A (en) | 1976-06-30 |
| CA984172A (en) | 1976-02-24 |
| BE804587A (en) | 1974-01-02 |
| US3868485A (en) | 1975-02-25 |