GB2258313B - Pressure sensing capacitor, and transducer - Google Patents

Pressure sensing capacitor, and transducer

Info

Publication number
GB2258313B
GB2258313B GB9221021A GB9221021A GB2258313B GB 2258313 B GB2258313 B GB 2258313B GB 9221021 A GB9221021 A GB 9221021A GB 9221021 A GB9221021 A GB 9221021A GB 2258313 B GB2258313 B GB 2258313B
Authority
GB
United Kingdom
Prior art keywords
transducer
pressure sensing
sensing capacitor
capacitor
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 - Fee Related
Application number
GB9221021A
Other versions
GB2258313A (en
GB9221021D0 (en
Inventor
Richard Dennis Shelton
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.)
Individual
Original Assignee
Individual
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 GB909007948A external-priority patent/GB9007948D0/en
Application filed by Individual filed Critical Individual
Priority to GB9221021A priority Critical patent/GB2258313B/en
Publication of GB9221021D0 publication Critical patent/GB9221021D0/en
Publication of GB2258313A publication Critical patent/GB2258313A/en
Application granted granted Critical
Publication of GB2258313B publication Critical patent/GB2258313B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01L9/0075—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a ceramic diaphragm, e.g. alumina, fused quartz, glass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
GB9221021A 1990-04-07 1992-10-06 Pressure sensing capacitor, and transducer Expired - Fee Related GB2258313B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9221021A GB2258313B (en) 1990-04-07 1992-10-06 Pressure sensing capacitor, and transducer

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB909007948A GB9007948D0 (en) 1990-04-07 1990-04-07 Designs for low cost,sensitive pressure sensors
PCT/GB1991/000523 WO1991015742A2 (en) 1990-04-07 1991-04-04 Pressure sensing capacitor, and transducer
GB9221021A GB2258313B (en) 1990-04-07 1992-10-06 Pressure sensing capacitor, and transducer

Publications (3)

Publication Number Publication Date
GB9221021D0 GB9221021D0 (en) 1992-12-02
GB2258313A GB2258313A (en) 1993-02-03
GB2258313B true GB2258313B (en) 1993-12-15

Family

ID=26296915

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9221021A Expired - Fee Related GB2258313B (en) 1990-04-07 1992-10-06 Pressure sensing capacitor, and transducer

Country Status (1)

Country Link
GB (1) GB2258313B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0095966A1 (en) * 1982-05-21 1983-12-07 Allied Corporation Pressure transducer with an invariable reference capacitor
US4490773A (en) * 1983-12-19 1984-12-25 United Technologies Corporation Capacitive pressure transducer
US4683758A (en) * 1986-01-16 1987-08-04 Ford Motor Company Device for measuring stresses in vacuum deposition coatings

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0095966A1 (en) * 1982-05-21 1983-12-07 Allied Corporation Pressure transducer with an invariable reference capacitor
US4490773A (en) * 1983-12-19 1984-12-25 United Technologies Corporation Capacitive pressure transducer
US4683758A (en) * 1986-01-16 1987-08-04 Ford Motor Company Device for measuring stresses in vacuum deposition coatings

Also Published As

Publication number Publication date
GB2258313A (en) 1993-02-03
GB9221021D0 (en) 1992-12-02

Similar Documents

Publication Publication Date Title
GB2250816B (en) Pressure sensor
EP0436920A3 (en) Pressure sensor
EP0430676A3 (en) Capacitive pressure sensor
EP0714505A4 (en) Capacitive pressure sensor
EP0476309A3 (en) Capacitance elastomeric low pressure sensor
EP0430445A3 (en) Piezoelectric pressure sensor
IE901049L (en) Pressure sensor
EP0473109A3 (en) A pressure sensor
EP0445382A3 (en) Pressure transducer and its manufacturing method
HU9500617D0 (en) Lowrange pressure sensor
EP0436158A3 (en) Solid state pressure sensor
EP0618435A3 (en) Capacitive pressure sensor.
GB2254141B (en) Pressure transducer
GB9302581D0 (en) Electrodynamic transducer with integrated pressure sensor
EP0407587A4 (en) Pressure sensor
EP0447255A3 (en) Piezoelectric-type pressure sensor
GB9202146D0 (en) Pressure sensor
GB9001708D0 (en) Pressure gauge
GB8809617D0 (en) Pressure sensor
EP0472201A3 (en) Pressure transducer
GB2250595B (en) Pressure gauge
GB9217443D0 (en) Pressure sensor
GB9117531D0 (en) Pressure sensor
EP0508517A3 (en) Differential pressure transducer
AU7583291A (en) Pressure sensing capacitor, and transducer

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950404