GB8406161D0 - Transducer - Google Patents

Transducer

Info

Publication number
GB8406161D0
GB8406161D0 GB8406161A GB8406161A GB8406161D0 GB 8406161 D0 GB8406161 D0 GB 8406161D0 GB 8406161 A GB8406161 A GB 8406161A GB 8406161 A GB8406161 A GB 8406161A GB 8406161 D0 GB8406161 D0 GB 8406161D0
Authority
GB
United Kingdom
Prior art keywords
transducer
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.)
Granted
Application number
GB8406161A
Other versions
GB2155638A (en
GB2155638B (en
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.)
Wolfendale P C F
Original Assignee
Wolfendale P C F
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 Wolfendale P C F filed Critical Wolfendale P C F
Priority to GB8406161A priority Critical patent/GB2155638B/en
Publication of GB8406161D0 publication Critical patent/GB8406161D0/en
Publication of GB2155638A publication Critical patent/GB2155638A/en
Application granted granted Critical
Publication of GB2155638B publication Critical patent/GB2155638B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • G01D5/2405—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by varying dielectric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2853—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using potentiometers
GB8406161A 1984-03-09 1984-03-09 Transducer for fluid operated ram Expired GB2155638B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8406161A GB2155638B (en) 1984-03-09 1984-03-09 Transducer for fluid operated ram

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8406161A GB2155638B (en) 1984-03-09 1984-03-09 Transducer for fluid operated ram

Publications (3)

Publication Number Publication Date
GB8406161D0 true GB8406161D0 (en) 1984-04-11
GB2155638A GB2155638A (en) 1985-09-25
GB2155638B GB2155638B (en) 1988-05-11

Family

ID=10557821

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8406161A Expired GB2155638B (en) 1984-03-09 1984-03-09 Transducer for fluid operated ram

Country Status (1)

Country Link
GB (1) GB2155638B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2539868A1 (en) * 1983-01-25 1984-07-27 Feuillee Michel Capacitive displacement sensor integrated with a machine member of the piston/cylinder type
FR2601764B1 (en) * 1986-07-21 1992-08-07 Eimco Secoma PISTON POSITION SENSOR FOR PERFORATOR, AND MONITORING DEVICE COMPRISING APPLICATION THEREOF
FR2637690B1 (en) * 1988-10-12 1991-04-12 Metravib Sa DEVICE FOR MEASURING THE VARIATIONS OF TWO DIFFERENTIAL COMPLEX IMPEDANCES OF A SENSOR
DE19751661C2 (en) * 1997-11-21 2000-08-03 Daimler Chrysler Ag Capacitive measuring device
GB9815826D0 (en) 1998-07-22 1998-09-16 British Aerospace Capacitive position transducer
DE10021152A1 (en) * 2000-04-29 2001-10-31 Volkswagen Ag Measurement arrangement for determining valve stroke employs stroke dependent capacitance with reference capacitor to compensate for temperature conditions
WO2010133006A1 (en) * 2009-05-20 2010-11-25 Norgren, Inc. Capacitive linear displacement sensor and cylinder device
DE102010027103A1 (en) 2010-07-14 2012-01-19 Festo Ag & Co. Kg Valve device and method for determining a switching position of a valve member

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE349365B (en) * 1971-01-15 1972-09-25 Stal Refrigeration Ab
IT1072716B (en) * 1977-02-21 1985-04-10 Fiat Spa MEASURING DEVICE FOR LUBRICATION OF THE INTERNAL COMBUSTION CRANKSHAFT WITH WHEATSTONE BRIDGE
CH642432A5 (en) * 1978-05-11 1984-04-13 Rotovolumetric Ag DEVICE WITH A CYLINDER, A SLIDING PISTON AND A CAPACITIVE TRANSDUCER.
DE3331170C1 (en) * 1983-06-15 1984-12-13 Boge Gmbh, 5208 Eitorf Device for determining the path of a piston of hydraulic, pneumatic or hydropneumatic units

Also Published As

Publication number Publication date
GB2155638A (en) 1985-09-25
GB2155638B (en) 1988-05-11

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Legal Events

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