GB2252848B - Gas supply pressure control apparatus - Google Patents

Gas supply pressure control apparatus

Info

Publication number
GB2252848B
GB2252848B GB9201279A GB9201279A GB2252848B GB 2252848 B GB2252848 B GB 2252848B GB 9201279 A GB9201279 A GB 9201279A GB 9201279 A GB9201279 A GB 9201279A GB 2252848 B GB2252848 B GB 2252848B
Authority
GB
United Kingdom
Prior art keywords
gas supply
control apparatus
pressure control
supply pressure
gas
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 - Lifetime
Application number
GB9201279A
Other versions
GB9201279D0 (en
GB2252848A (en
Inventor
Claude Yonnet
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.)
Technolog Ltd
Original Assignee
Technolog Ltd
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 Technolog Ltd filed Critical Technolog Ltd
Publication of GB9201279D0 publication Critical patent/GB9201279D0/en
Publication of GB2252848A publication Critical patent/GB2252848A/en
Application granted granted Critical
Publication of GB2252848B publication Critical patent/GB2252848B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/07—Programme control other than numerical control, i.e. in sequence controllers or logic controllers where the programme is defined in the fixed connection of electrical elements, e.g. potentiometers, counters, transistors
    • G05B19/075—Programme control other than numerical control, i.e. in sequence controllers or logic controllers where the programme is defined in the fixed connection of electrical elements, e.g. potentiometers, counters, transistors for delivering a step function, a slope or a continuous function
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
    • G05D16/2026—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means with a plurality of throttling means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2093—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power
    • G05D16/2095—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power using membranes within the main valve
GB9201279A 1991-01-22 1992-01-21 Gas supply pressure control apparatus Expired - Lifetime GB2252848B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919101390A GB9101390D0 (en) 1991-01-22 1991-01-22 Gas supply pressure control apparatus

Publications (3)

Publication Number Publication Date
GB9201279D0 GB9201279D0 (en) 1992-03-11
GB2252848A GB2252848A (en) 1992-08-19
GB2252848B true GB2252848B (en) 1994-05-11

Family

ID=10688824

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919101390A Pending GB9101390D0 (en) 1991-01-22 1991-01-22 Gas supply pressure control apparatus
GB9201279A Expired - Lifetime GB2252848B (en) 1991-01-22 1992-01-21 Gas supply pressure control apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919101390A Pending GB9101390D0 (en) 1991-01-22 1991-01-22 Gas supply pressure control apparatus

Country Status (1)

Country Link
GB (2) GB9101390D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023218196A1 (en) 2022-05-12 2023-11-16 Utonomy Ltd Computing device, pressure control station, system and methods for controlling fluid pressure in a fluid distribution network

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9212122D0 (en) * 1992-06-09 1992-07-22 Technolog Ltd Water supply pressure control apparatus
GB9418163D0 (en) * 1994-09-09 1994-10-26 British Gas Plc Pressure reduction system testing
GB9418187D0 (en) * 1994-09-09 1994-10-26 British Gas Plc Fluid pressure reduction
US7318447B2 (en) * 2004-01-21 2008-01-15 Fisher Controls International Llc. Pressure loaded pilot system and method for a regulator without atmospheric bleed

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394871A (en) * 1980-12-31 1983-07-26 The Boeing Company Programmable pressure regulator for titanium superplastic forming apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394871A (en) * 1980-12-31 1983-07-26 The Boeing Company Programmable pressure regulator for titanium superplastic forming apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023218196A1 (en) 2022-05-12 2023-11-16 Utonomy Ltd Computing device, pressure control station, system and methods for controlling fluid pressure in a fluid distribution network

Also Published As

Publication number Publication date
GB9101390D0 (en) 1991-03-06
GB9201279D0 (en) 1992-03-11
GB2252848A (en) 1992-08-19

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20120120