GB1327817A - Valve condition indicating apparatus - Google Patents

Valve condition indicating apparatus

Info

Publication number
GB1327817A
GB1327817A GB1950670A GB1327817DA GB1327817A GB 1327817 A GB1327817 A GB 1327817A GB 1950670 A GB1950670 A GB 1950670A GB 1327817D A GB1327817D A GB 1327817DA GB 1327817 A GB1327817 A GB 1327817A
Authority
GB
United Kingdom
Prior art keywords
indicator
resistor
april
spindle
motor
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
GB1950670A
Other languages
English (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.)
SOCTT ELECTRONIC ENG Ltd JAMES
Original Assignee
SOCTT ELECTRONIC ENG Ltd JAMES
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 SOCTT ELECTRONIC ENG Ltd JAMES filed Critical SOCTT ELECTRONIC ENG Ltd JAMES
Publication of GB1327817A publication Critical patent/GB1327817A/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)
  • Water Treatment By Sorption (AREA)
  • Testing And Monitoring For Control Systems (AREA)
GB1950670A 1970-04-23 1970-04-23 Valve condition indicating apparatus Expired GB1327817A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1327817A true GB1327817A (en) 1973-08-22

Family

ID=10130504

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1950670A Expired GB1327817A (en) 1970-04-23 1970-04-23 Valve condition indicating apparatus

Country Status (8)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531332Y2 (https=) * 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 (da) 1978-01-30
DE2119494A1 (de) 1971-11-11
ES390376A1 (es) 1973-06-01
NL7105501A (https=) 1971-10-26
JPS466885A (https=) 1971-12-15
NO139303B (no) 1978-10-30
FR2099737A5 (https=) 1972-03-17
DK137205C (da) 1978-07-03
NO139303C (no) 1979-02-14

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Legal Events

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