IT8047527A0 - Perfezionamento nei trasduttori di differenza di pressione di tipo capacitivo - Google Patents

Perfezionamento nei trasduttori di differenza di pressione di tipo capacitivo

Info

Publication number: IT8047527A0
Authority: IT; Italy
Prior art keywords: improvement; pressure difference; capacitive pressure; difference transducers; transducers
Prior art date: 1979-01-24

Application number

IT8047527A

Other languages

English (en)

Other versions

IT1126866B (it

Inventor

John R Sjolund

Original Assignee

Honeywell Inc

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.)

1979-01-24

Filing date

1980-01-07

Publication date

1980-01-07

1980-01-07 Application filed by Honeywell Inc filed Critical Honeywell Inc

1980-01-07 Publication of IT8047527A0 publication Critical patent/IT8047527A0/it

1986-05-21 Application granted granted Critical

1986-05-21 Publication of IT1126866B publication Critical patent/IT1126866B/it

Links

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
- G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
- G01L13/023—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using bellows
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Measuring Fluid Pressure (AREA)

IT47527/80A 1979-01-24 1980-01-07 Perfezionamento nei trasduttori di differenza di pressione di tipo capacitivo IT1126866B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/005,936 US4403513A (en)	1979-01-24	1979-01-24	Capacitive differential pressure transducer

Publications (2)

Publication Number	Publication Date
IT8047527A0 true IT8047527A0 (it)	1980-01-07
IT1126866B IT1126866B (it)	1986-05-21

Family

ID=21718445

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
IT47527/80A IT1126866B (it)	1979-01-24	1980-01-07	Perfezionamento nei trasduttori di differenza di pressione di tipo capacitivo
IT8047616A IT1127556B (it)	1979-01-24	1980-01-16	Perfezionamento nelle servovalvole elettroidrauliche

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
IT8047616A IT1127556B (it)	1979-01-24	1980-01-16	Perfezionamento nelle servovalvole elettroidrauliche

Country Status (8)

Country	Link
US (1)	US4403513A (it)
JP (1)	JPS55136926A (it)
AU (1)	AU5448880A (it)
DE (1)	DE3002268A1 (it)
FR (1)	FR2447545A1 (it)
GB (1)	GB2040474A (it)
IT (2)	IT1126866B (it)
SE (1)	SE8000166L (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2570420B2 (ja) *	1988-06-23	1997-01-08	富士電機株式会社	静電容量式圧力検出器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR895938A (fr) *	1943-02-24	1945-02-07		Manolimnigraphe à membrane métallique
US3000215A (en) *	1951-09-27	1961-09-19	John V Atanasoff	Microbarophone
US2800796A (en) *	1952-08-05	1957-07-30	Trans Souics Inc	Pressure measuring device
US2753515A (en) *	1952-09-03	1956-07-03	Edward J Rickner	Capacitor type differential pressure switch
US2751530A (en) *	1954-01-04	1956-06-19	Honeywell Regulator Co	Differential pressure sensing unit
US2907320A (en) *	1954-01-11	1959-10-06	Texas Instruments Inc	Pressure capacitance transducer
US3354721A (en) *	1965-10-23	1967-11-28	Augustus H Fiske	Pressure gaging systems of apparatus
GB1147080A (en) *	1967-03-01	1969-04-02	Wayne Kerr Company Ltd	Improvements in or relating to pressure transducers
GB1354025A (en) *	1970-05-25	1974-06-05	Medicor Muevek	Capacitive pressure transducer
US3691842A (en) *	1970-09-08	1972-09-19	Beckman Instruments Inc	Differential pressure transducer
JPS587182B2 (ja) *	1974-03-08	1983-02-08	横河電機株式会社	サアツオウドウソウチ
US4120206A (en) *	1977-01-17	1978-10-17	Rosemount Inc.	Differential pressure sensor capsule with low acceleration sensitivity

1979
- 1979-01-24 US US06/005,936 patent/US4403513A/en not_active Expired - Lifetime
1980
- 1980-01-07 IT IT47527/80A patent/IT1126866B/it active
- 1980-01-09 SE SE8000166A patent/SE8000166L/ not_active Application Discontinuation
- 1980-01-09 AU AU54488/80A patent/AU5448880A/en not_active Abandoned
- 1980-01-16 IT IT8047616A patent/IT1127556B/it active
- 1980-01-17 GB GB8001612A patent/GB2040474A/en active Pending
- 1980-01-21 FR FR8001254A patent/FR2447545A1/fr active Pending
- 1980-01-23 DE DE19803002268 patent/DE3002268A1/de not_active Withdrawn
- 1980-01-24 JP JP639980A patent/JPS55136926A/ja active Pending

Also Published As

Publication number	Publication date
IT8047616A0 (it)	1980-01-16
AU5448880A (en)	1980-07-31
FR2447545A1 (fr)	1980-08-22
US4403513A (en)	1983-09-13
SE8000166L (sv)	1980-07-25
DE3002268A1 (de)	1980-09-11
IT1127556B (it)	1986-05-21
GB2040474A (en)	1980-08-28
JPS55136926A (en)	1980-10-25
IT1126866B (it)	1986-05-21

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