ES145446U - An apparatus for response to state changes in a fluid. (Machine-translation by Google Translate, not legally binding) - Google Patents

An apparatus for response to state changes in a fluid. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES145446U
ES145446U ES145446U ES145446U ES145446U ES 145446 U ES145446 U ES 145446U ES 145446 U ES145446 U ES 145446U ES 145446 U ES145446 U ES 145446U ES 145446 U ES145446 U ES 145446U
Authority
ES
Spain
Prior art keywords
response
control device
intended
zero position
source
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
ES145446U
Other languages
Spanish (es)
Other versions
ES145446Y (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.)
Dresser Industries Inc
Original Assignee
Dresser Industries 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
Application filed by Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of ES145446U publication Critical patent/ES145446U/en
Application granted granted Critical
Publication of ES145446Y publication Critical patent/ES145446Y/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/02—Arrangements in which the value to be measured is automatically compared with a reference value
    • G01R17/06—Automatic balancing arrangements
    • G01R17/08—Automatic balancing arrangements in which a force or torque representing the measured value is balanced by a force or torque representing the reference value

Abstract

An apparatus for responding to changes in state in a fluid, of the type that includes a control device that has a zero position and is intended to move in one direction in response to a change in a variable state, and intended to move in an opposite direction in response to an opposite change in said variable state, a perception device, intended to provide a first signal in response to the movement of said control device in one direction, from said zero position, and a different signal in response to the movement of said control device in a different direction from said zero position, a bidirectional driving mechanism, actuated by said perception device and intended to generate a force in response to said first signal and a different force in response to said different signal, and a mechanism of feedback connected between said bidirectional drive mechanism and said control device, responding said feedback mechanism to the said forces generated to return said control device to the aforementioned zero position, characterized in that said perception mechanism includes a light source and a pair of photocells positioned to receive light from said source, slotted trowel is interposed between said source of light and said photocells, said slotted pallet being movable relative to the source of light and the photocells, under the control of said control mechanism. (Machine-translation by Google Translate, not legally binding)
ES1969145446U 1968-04-12 1969-02-08 AN APPARATUS OF RESPONSE TO CHANGES OF STATE IN A FLUID. Expired ES145446Y (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73247268A 1968-04-12 1968-04-12

Publications (2)

Publication Number Publication Date
ES145446U true ES145446U (en) 1969-05-16
ES145446Y ES145446Y (en) 1970-01-16

Family

ID=24943639

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1969145446U Expired ES145446Y (en) 1968-04-12 1969-02-08 AN APPARATUS OF RESPONSE TO CHANGES OF STATE IN A FLUID.

Country Status (8)

Country Link
BE (1) BE731433A (en)
CH (1) CH490666A (en)
DE (1) DE1911251A1 (en)
ES (1) ES145446Y (en)
FR (1) FR2006134A6 (en)
GB (1) GB1249052A (en)
NL (1) NL6904785A (en)
SE (1) SE355863B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3124258A1 (en) * 1980-12-31 1982-08-05 Claudio Dipl.-Ing. 4600 Dortmund Möller Method and device for measuring and/or recording extremely small movements of a measured body, for example for measuring and/or recording the movement of a barometric cell of an aneroid barometer
US4598586A (en) * 1984-08-31 1986-07-08 Northrop Corporation Compensation of gain temperature coefficient in an optical pick-off for an accelerometer
HU200507B (en) * 1987-04-10 1990-06-28 Gabor Szabo Circuit arrangement for controlling differential measurements based on light intensity
DE3742478A1 (en) * 1987-12-15 1989-06-29 Martin Hauck Vibration meter
DE4019694A1 (en) * 1990-06-21 1992-01-09 Messgeraetebau Hugo Messerschm Light conductor sensor for automatic wheel alignment monitoring - has light conductors in bands connected via photodiodes to evaluate computer
DE19924306A1 (en) * 1999-05-27 2000-12-07 Cgk Comp Ges Konstanz Mbh Apparatus for converting minute mechanical strokes into measurement parameters of sufficient accuracy
CN104465161B (en) * 2014-12-13 2017-11-03 温州合邦电气有限公司 A kind of device of electrical apparatus lock zero

Also Published As

Publication number Publication date
ES145446Y (en) 1970-01-16
SE355863B (en) 1973-05-07
FR2006134A6 (en) 1969-12-19
NL6904785A (en) 1969-10-14
GB1249052A (en) 1971-10-06
BE731433A (en) 1969-10-13
CH490666A (en) 1970-05-15
DE1911251A1 (en) 1970-09-03

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