ES390376A1 - Valve condition indicating apparatus - Google Patents

Valve condition indicating apparatus

Info

Publication number
ES390376A1
ES390376A1 ES390376A ES390376A ES390376A1 ES 390376 A1 ES390376 A1 ES 390376A1 ES 390376 A ES390376 A ES 390376A ES 390376 A ES390376 A ES 390376A ES 390376 A1 ES390376 A1 ES 390376A1
Authority
ES
Spain
Prior art keywords
condition indicating
indicating apparatus
valve condition
state
valve
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
ES390376A
Other languages
Spanish (es)
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.)
JAMES SCOTT ELECTRONIC ENGINEE
Original Assignee
JAMES SCOTT ELECTRONIC ENGINEE
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 JAMES SCOTT ELECTRONIC ENGINEE filed Critical JAMES SCOTT ELECTRONIC ENGINEE
Publication of ES390376A1 publication Critical patent/ES390376A1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G05D3/1472—Control of position or direction using feedback using an analogue comparing device with potentiometer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

Improvements in apparatus for indicating the state of valves, characterized in that they comprise an impedance transducer to verify the state of a valve, a servo-driven motor that operates in response to said transducer, and an indicator moved by said motor. (Machine-translation by Google Translate, not legally binding)
ES390376A 1970-04-23 1971-04-20 Valve condition indicating apparatus Expired ES390376A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1950670 1970-04-23

Publications (1)

Publication Number Publication Date
ES390376A1 true ES390376A1 (en) 1973-06-01

Family

ID=10130504

Family Applications (1)

Application Number Title Priority Date Filing Date
ES390376A Expired ES390376A1 (en) 1970-04-23 1971-04-20 Valve condition indicating apparatus

Country Status (8)

Country Link
JP (1) JPS466885A (en)
DE (1) DE2119494A1 (en)
DK (1) DK137205C (en)
ES (1) ES390376A1 (en)
FR (1) FR2099737A5 (en)
GB (1) GB1327817A (en)
NL (1) NL7105501A (en)
NO (1) NO139303C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531332Y2 (en) * 1972-12-26 1980-07-25
IE41381B1 (en) * 1974-08-19 1979-12-19 Pfizer Process for the preparation on n,n-dialkylxylylenediamines
JPS5674698A (en) * 1979-11-22 1981-06-20 Tokyo Shibaura Electric Co Pressure release satety device of nuclear reactor

Also Published As

Publication number Publication date
DK137205B (en) 1978-01-30
DE2119494A1 (en) 1971-11-11
FR2099737A5 (en) 1972-03-17
GB1327817A (en) 1973-08-22
NL7105501A (en) 1971-10-26
NO139303B (en) 1978-10-30
NO139303C (en) 1979-02-14
JPS466885A (en) 1971-12-15
DK137205C (en) 1978-07-03

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