GB448939A - Improvements in and relating to pressure recording devices - Google Patents

Improvements in and relating to pressure recording devices

Info

Publication number
GB448939A
GB448939A GB3616734A GB3616734A GB448939A GB 448939 A GB448939 A GB 448939A GB 3616734 A GB3616734 A GB 3616734A GB 3616734 A GB3616734 A GB 3616734A GB 448939 A GB448939 A GB 448939A
Authority
GB
United Kingdom
Prior art keywords
oscillograph
relating
recording devices
fluid
pressure recording
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
Application number
GB3616734A
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.)
CLARENCE STOKES
British Thomson Houston Co Ltd
Original Assignee
CLARENCE STOKES
British Thomson Houston Co Ltd
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
Application filed by CLARENCE STOKES, British Thomson Houston Co Ltd filed Critical CLARENCE STOKES
Priority to GB3616734A priority Critical patent/GB448939A/en
Publication of GB448939A publication Critical patent/GB448939A/en
Expired 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
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0002—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using variations in ohmic resistance
    • 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
    • G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
    • G01L9/0058—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of pressure sensitive conductive solid or liquid material, e.g. carbon granules

Landscapes

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

Abstract

448,939. Electric signalling systems. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London, and GRIFFITHS, L., Kennington, Biggin Hall Crescent, and STOKES, C., 113, Masser Road. both in Coventry. Dec. 17, 1934, No. 36167. Drawings to Specification. [Class 40 (i)] [See also Group XIX] In a gauge for recording rapid changes of fluid pressure, the fluid at one point in the circuit acts upon a diaphragm, the movements of which are transmitted to a carbon microphone or piezo crystal device connected with a thermionic valve amplifying circuit and an oscillograph so that the pressure variations are recorded on the oscillograph.
GB3616734A 1934-12-17 1934-12-17 Improvements in and relating to pressure recording devices Expired GB448939A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3616734A GB448939A (en) 1934-12-17 1934-12-17 Improvements in and relating to pressure recording devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3616734A GB448939A (en) 1934-12-17 1934-12-17 Improvements in and relating to pressure recording devices

Publications (1)

Publication Number Publication Date
GB448939A true GB448939A (en) 1936-06-17

Family

ID=10385589

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3616734A Expired GB448939A (en) 1934-12-17 1934-12-17 Improvements in and relating to pressure recording devices

Country Status (1)

Country Link
GB (1) GB448939A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2167864A (en) * 1984-11-30 1986-06-04 Richard Denness Carburation balancing using piezo electric transducers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2167864A (en) * 1984-11-30 1986-06-04 Richard Denness Carburation balancing using piezo electric transducers

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