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GB1358324A - Fluid flow control apparatus - Google Patents

Fluid flow control apparatus

Info

Publication number
GB1358324A
GB1358324A GB809372A GB809372A GB1358324A GB 1358324 A GB1358324 A GB 1358324A GB 809372 A GB809372 A GB 809372A GB 809372 A GB809372 A GB 809372A GB 1358324 A GB1358324 A GB 1358324A
Authority
GB
United Kingdom
Prior art keywords
flow
feb
control apparatus
fluid flow
flow control
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
GB809372A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1358324A publication Critical patent/GB1358324A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/01—Control of flow without auxiliary power
    • G05D7/0193—Control of flow without auxiliary power using hydraulic or pneumatic amplifiers, relays or transmitters
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/01—Control of flow without auxiliary power
    • G05D7/0106—Control of flow without auxiliary power the sensing element being a flexible member, e.g. bellows, diaphragm, capsule

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Flow Control (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

1358324 Centrifugal blowers GENERAL ELECTRIC CO 22 Feb 1972 [25 Feb 1971] 8093/72 Heading F1C [Also in Divisions F2 and G1] In apparatus comprising a variable flow restriction, e.g. a gas-sampling particulate absorbing filter 10, and a vacuum pump 11, the inlet line 14 to the pump includes a valve 16 controlled in accordance with the pressure differential across aVenturi or orifice 17 and thereby with the flow-rate in the pump discharge line 15. Thus the flow-rate through the apparatus is maintained substantially constant. A pressure indicator 24, an extra filter 25, an exhaust muffler 26 and a flow indicator 27 may be provided.
GB809372A 1971-02-25 1972-02-22 Fluid flow control apparatus Expired GB1358324A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11880971A 1971-02-25 1971-02-25

Publications (1)

Publication Number Publication Date
GB1358324A true GB1358324A (en) 1974-07-03

Family

ID=22380875

Family Applications (1)

Application Number Title Priority Date Filing Date
GB809372A Expired GB1358324A (en) 1971-02-25 1972-02-22 Fluid flow control apparatus

Country Status (8)

Country Link
CA (1) CA957234A (en)
CH (1) CH536514A (en)
DE (1) DE2206452A1 (en)
ES (1) ES399678A1 (en)
FR (1) FR2127759A5 (en)
GB (1) GB1358324A (en)
IT (1) IT946996B (en)
SE (1) SE385985B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0088889A3 (en) * 1982-03-16 1983-10-26 Knorr-Bremse Gmbh Flow-dependent switch
GB2125519A (en) * 1982-08-19 1984-03-07 Cistermiser Ltd Fluid flow control valve
GB2582600A (en) * 2019-03-27 2020-09-30 Cambustion Method to improve the performance of gas measurement devices at low sample pressure

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104165786B (en) * 2014-08-11 2016-11-16 深圳国技仪器有限公司 Atmospheric sampling equipment protection system
CN105158030B (en) * 2015-09-04 2017-06-27 杨松 An absorption device for ambient air and exhaust gas sampling

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0088889A3 (en) * 1982-03-16 1983-10-26 Knorr-Bremse Gmbh Flow-dependent switch
GB2125519A (en) * 1982-08-19 1984-03-07 Cistermiser Ltd Fluid flow control valve
GB2582600A (en) * 2019-03-27 2020-09-30 Cambustion Method to improve the performance of gas measurement devices at low sample pressure
GB2582600B (en) * 2019-03-27 2021-03-31 Cambustion Method to improve the performance of gas measurement devices at low sample pressure

Also Published As

Publication number Publication date
FR2127759A5 (en) 1972-10-13
DE2206452A1 (en) 1972-09-14
ES399678A1 (en) 1974-11-16
IT946996B (en) 1973-05-21
CH536514A (en) 1973-04-30
CA957234A (en) 1974-11-05
SE385985B (en) 1976-07-26

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Legal Events

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