FR2279005A1 - Progressive gas flow rate control valve - has orifice connection between chambers and sprung outlet control piston - Google Patents

Progressive gas flow rate control valve - has orifice connection between chambers and sprung outlet control piston

Info

Publication number
FR2279005A1
FR2279005A1 FR7409179A FR7409179A FR2279005A1 FR 2279005 A1 FR2279005 A1 FR 2279005A1 FR 7409179 A FR7409179 A FR 7409179A FR 7409179 A FR7409179 A FR 7409179A FR 2279005 A1 FR2279005 A1 FR 2279005A1
Authority
FR
France
Prior art keywords
flow rate
sprung
chambers
chamber
gas flow
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.)
Granted
Application number
FR7409179A
Other languages
French (fr)
Other versions
FR2279005B1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7409179A priority Critical patent/FR2279005A1/en
Publication of FR2279005A1 publication Critical patent/FR2279005A1/en
Application granted granted Critical
Publication of FR2279005B1 publication Critical patent/FR2279005B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/06—Adaptations for driving, or combinations with, hand-held tools or the like control thereof
    • F01D15/062—Controlling means specially adapted therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20—Excess-flow valves
    • F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
    • F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
    • F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
    • F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Driven Valves (AREA)

Abstract

The flow control is achieved by sensing the pressure difference between supply and discharge and using it to control the position of the discharge valve. The valve body (2) is connected (1) to an air motor discharge port, the air flows into a chamber (2a) and thence via a small orifice (3) into another chamber (4). One end of the second chamber is closed by a spring (8) loaded piston (7) and the other carries an adjustable end stop (10) with a passage (5) to atmosphere. When pressure in the chamber (2a) rises (high motor speed) the piston moves progressively against the spring pressure to seal off the orifice (3) and reduce the flow rate.
FR7409179A 1974-03-19 1974-03-19 Progressive gas flow rate control valve - has orifice connection between chambers and sprung outlet control piston Granted FR2279005A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7409179A FR2279005A1 (en) 1974-03-19 1974-03-19 Progressive gas flow rate control valve - has orifice connection between chambers and sprung outlet control piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7409179A FR2279005A1 (en) 1974-03-19 1974-03-19 Progressive gas flow rate control valve - has orifice connection between chambers and sprung outlet control piston

Publications (2)

Publication Number Publication Date
FR2279005A1 true FR2279005A1 (en) 1976-02-13
FR2279005B1 FR2279005B1 (en) 1976-12-17

Family

ID=9136498

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7409179A Granted FR2279005A1 (en) 1974-03-19 1974-03-19 Progressive gas flow rate control valve - has orifice connection between chambers and sprung outlet control piston

Country Status (1)

Country Link
FR (1) FR2279005A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5257537A (en) * 1992-10-26 1993-11-02 Schlumberger Industries, Inc. Self actuating throttle valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5257537A (en) * 1992-10-26 1993-11-02 Schlumberger Industries, Inc. Self actuating throttle valve

Also Published As

Publication number Publication date
FR2279005B1 (en) 1976-12-17

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Legal Events

Date Code Title Description
ST Notification of lapse