DE3574616D1 - Druckwandler. - Google Patents

Druckwandler.

Info

Publication number
DE3574616D1
DE3574616D1 DE8585302168T DE3574616T DE3574616D1 DE 3574616 D1 DE3574616 D1 DE 3574616D1 DE 8585302168 T DE8585302168 T DE 8585302168T DE 3574616 T DE3574616 T DE 3574616T DE 3574616 D1 DE3574616 D1 DE 3574616D1
Authority
DE
Germany
Prior art keywords
pressure converter
converter
pressure
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 - Lifetime
Application number
DE8585302168T
Other languages
English (en)
Inventor
Paul P Binder
Kroninger, Jr
Jeffrey G Hoffman
Paul J Freud
Ronald D Baxter
Stanley J Stevens
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.)
SPX Corp
Original Assignee
General Signal 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
Priority claimed from US06/594,588 external-priority patent/US4542435A/en
Priority claimed from US06/594,586 external-priority patent/US4572718A/en
Priority claimed from US06/594,585 external-priority patent/US4536820A/en
Application filed by General Signal Corp filed Critical General Signal Corp
Application granted granted Critical
Publication of DE3574616D1 publication Critical patent/DE3574616D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/10—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
    • 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
    • G01L9/0073—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a semiconductive diaphragm

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Measuring Fluid Pressure (AREA)
DE8585302168T 1984-03-29 1985-03-28 Druckwandler. Expired - Lifetime DE3574616D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/594,588 US4542435A (en) 1984-03-29 1984-03-29 Pressure transducer and mounting
US06/594,586 US4572718A (en) 1984-03-29 1984-03-29 Anti-rotation locking assembly
US06/594,585 US4536820A (en) 1984-03-29 1984-03-29 Electrical feedthrough means for pressure transducer

Publications (1)

Publication Number Publication Date
DE3574616D1 true DE3574616D1 (de) 1990-01-11

Family

ID=27416681

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585302168T Expired - Lifetime DE3574616D1 (de) 1984-03-29 1985-03-28 Druckwandler.

Country Status (5)

Country Link
EP (1) EP0157599B1 (de)
BR (1) BR8501406A (de)
CA (1) CA1236706A (de)
DE (1) DE3574616D1 (de)
IE (1) IE55965B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2217846A (en) * 1988-04-22 1989-11-01 Stc Plc Pressure sensor
JP2639159B2 (ja) * 1989-04-14 1997-08-06 富士電機株式会社 静電容量式差圧検出器
CN105043639B (zh) * 2015-08-15 2022-10-14 重庆布莱迪仪器仪表有限公司 一种简易抗压压力表

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5516228A (en) * 1978-07-21 1980-02-04 Hitachi Ltd Capacity type sensor
JPS5687196A (en) * 1979-12-19 1981-07-15 Hitachi Ltd Differential pressure transmitter
JPS5723830A (en) * 1980-07-18 1982-02-08 Hitachi Ltd Post material for pressure transducer of semiconductor and its preparation
US4390925A (en) * 1981-08-26 1983-06-28 Leeds & Northrup Company Multiple-cavity variable capacitance pressure transducer
US4424713A (en) * 1982-06-11 1984-01-10 General Signal Corporation Silicon diaphragm capacitive pressure transducer
US4499773A (en) * 1983-04-28 1985-02-19 Dresser Industries, Inc. Variable capacitance pressure transducer

Also Published As

Publication number Publication date
BR8501406A (pt) 1985-11-26
IE55965B1 (en) 1991-02-27
EP0157599B1 (de) 1989-12-06
CA1236706A (en) 1988-05-17
IE850547L (en) 1985-09-29
EP0157599A2 (de) 1985-10-09
EP0157599A3 (en) 1987-03-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee