GB1417299A - Method and apparatus for safe-guarding pipe-lines against inadmissibly high internal pressure by a control valve with a pneumatic drive - Google Patents

Method and apparatus for safe-guarding pipe-lines against inadmissibly high internal pressure by a control valve with a pneumatic drive

Info

Publication number
GB1417299A
GB1417299A GB4370573A GB4370573A GB1417299A GB 1417299 A GB1417299 A GB 1417299A GB 4370573 A GB4370573 A GB 4370573A GB 4370573 A GB4370573 A GB 4370573A GB 1417299 A GB1417299 A GB 1417299A
Authority
GB
United Kingdom
Prior art keywords
guarding
safe
pipe
control valve
internal pressure
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
GB4370573A
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.)
GULDE REGELARMATUHREN KG
Original Assignee
GULDE REGELARMATUHREN KG
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 GULDE REGELARMATUHREN KG filed Critical GULDE REGELARMATUHREN KG
Priority to GB4370573A priority Critical patent/GB1417299A/en
Publication of GB1417299A publication Critical patent/GB1417299A/en
Expired 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
    • G05B9/00—Safety arrangements
    • G05B9/05—Safety arrangements fluidic
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/02—Modifications to reduce the effects of instability, e.g. due to vibrations, friction, abnormal temperature, overloading or imbalance
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/14—Control of fluid pressure with auxiliary non-electric power
    • G05D16/18—Control of fluid pressure with auxiliary non-electric power derived from an external source
    • G05D16/185—Control of fluid pressure with auxiliary non-electric power derived from an external source using membranes within the main valve
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
GB4370573A 1973-09-18 1973-09-18 Method and apparatus for safe-guarding pipe-lines against inadmissibly high internal pressure by a control valve with a pneumatic drive Expired GB1417299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4370573A GB1417299A (en) 1973-09-18 1973-09-18 Method and apparatus for safe-guarding pipe-lines against inadmissibly high internal pressure by a control valve with a pneumatic drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4370573A GB1417299A (en) 1973-09-18 1973-09-18 Method and apparatus for safe-guarding pipe-lines against inadmissibly high internal pressure by a control valve with a pneumatic drive

Publications (1)

Publication Number Publication Date
GB1417299A true GB1417299A (en) 1975-12-10

Family

ID=10429959

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4370573A Expired GB1417299A (en) 1973-09-18 1973-09-18 Method and apparatus for safe-guarding pipe-lines against inadmissibly high internal pressure by a control valve with a pneumatic drive

Country Status (1)

Country Link
GB (1) GB1417299A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8666556B2 (en) 2009-12-10 2014-03-04 Alcon Research, Ltd. Systems and methods for dynamic feedforward
US8728108B2 (en) 2009-12-10 2014-05-20 Alcon Research, Ltd. Systems and methods for dynamic pneumatic valve driver
US8818564B2 (en) 2009-08-31 2014-08-26 Alcon Research, Ltd. Pneumatic pressure output control by drive valve duty cycle calibration
US8821524B2 (en) 2010-05-27 2014-09-02 Alcon Research, Ltd. Feedback control of on/off pneumatic actuators
US9060841B2 (en) 2011-08-31 2015-06-23 Alcon Research, Ltd. Enhanced flow vitrectomy probe
US10070990B2 (en) 2011-12-08 2018-09-11 Alcon Research, Ltd. Optimized pneumatic drive lines

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8818564B2 (en) 2009-08-31 2014-08-26 Alcon Research, Ltd. Pneumatic pressure output control by drive valve duty cycle calibration
US8666556B2 (en) 2009-12-10 2014-03-04 Alcon Research, Ltd. Systems and methods for dynamic feedforward
US8728108B2 (en) 2009-12-10 2014-05-20 Alcon Research, Ltd. Systems and methods for dynamic pneumatic valve driver
US8821524B2 (en) 2010-05-27 2014-09-02 Alcon Research, Ltd. Feedback control of on/off pneumatic actuators
US9060841B2 (en) 2011-08-31 2015-06-23 Alcon Research, Ltd. Enhanced flow vitrectomy probe
US10070990B2 (en) 2011-12-08 2018-09-11 Alcon Research, Ltd. Optimized pneumatic drive lines

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee