GB1125326A - Improvements relating to transducers - Google Patents

Improvements relating to transducers

Info

Publication number
GB1125326A
GB1125326A GB4340966A GB4340966A GB1125326A GB 1125326 A GB1125326 A GB 1125326A GB 4340966 A GB4340966 A GB 4340966A GB 4340966 A GB4340966 A GB 4340966A GB 1125326 A GB1125326 A GB 1125326A
Authority
GB
United Kingdom
Prior art keywords
force
rod
transducer
strip
strain gauges
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
GB4340966A
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.)
Statham Instruments Inc
Statham Instrument Inc
Original Assignee
Statham Instruments Inc
Statham Instrument 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.)
Filing date
Publication date
Priority claimed from US536710A external-priority patent/US3341796A/en
Application filed by Statham Instruments Inc, Statham Instrument Inc filed Critical Statham Instruments Inc
Publication of GB1125326A publication Critical patent/GB1125326A/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
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2206—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/08—Means for indicating or recording, e.g. for remote indication
    • 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
    • G01L9/006—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of metallic strain gauges fixed to an element other than the pressure transmitting diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Force In General (AREA)

Abstract

1,125,326. Measuring force electrically. STATHAM INSTRUMENTS Inc. Sept. 28, 1966 [Oct. 19, 1965; March 23, 1966], No.43409/66. Heading G1N. A force transducer consists of a flexible beam 4, 4', Fig. 1, rigidly fixed at one end 4a to a block 3, and attached at the end 4a' to a rigid link 6, 7 which receives the input force from a rod 8, 15, the line of application of the force (i.e. the axis of the rod 8, 15) passing through a neck portion 5 of the beam 4, 4' of reduced section. At this neck a so-called stress reversal occurs. A pair of strain gauges (17, 17', Fig.2, not shown) is mounted on the portion 4' of the strip, and a further pair of strain gauges (16, 16') is mounted on the portion 4 of the strip, these pairs being subjected respectively to tension and compression when a force is applied to the rod 15 away from the transducer; and the gauges are connected in a bridge. The rod 8, 15 is supported by a diaphragm 10, and collars 14, 21 limit movement thereof. The transducer may be adapted to measure pressure, Figs.4, 5 (not shown) and weight Fig. 6 (not shown).
GB4340966A 1965-10-19 1966-09-28 Improvements relating to transducers Expired GB1125326A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49768865A 1965-10-19 1965-10-19
US536710A US3341796A (en) 1966-03-23 1966-03-23 Force transducer

Publications (1)

Publication Number Publication Date
GB1125326A true GB1125326A (en) 1968-08-28

Family

ID=27052586

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4340966A Expired GB1125326A (en) 1965-10-19 1966-09-28 Improvements relating to transducers

Country Status (6)

Country Link
BE (1) BE688508A (en)
CH (1) CH466607A (en)
DE (1) DE1548829B2 (en)
GB (1) GB1125326A (en)
NL (1) NL150575B (en)
SE (1) SE335238B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2757577C3 (en) * 1977-12-23 1982-01-14 Gould Inc., Cleveland, Ohio Force measuring sensor with a body clamped on one side with piezoelectric surface wave generation
DE3148670C2 (en) * 1981-12-09 1985-12-19 Eckardt Ag, 7000 Stuttgart Force measuring device

Also Published As

Publication number Publication date
CH466607A (en) 1968-12-15
NL6614557A (en) 1967-04-20
BE688508A (en) 1967-04-19
NL150575B (en) 1976-08-16
SE335238B (en) 1971-05-17
DE1548829A1 (en) 1969-04-17
DE1548829B2 (en) 1970-09-17

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