FR2573840B1 - Dispositif de securite automatique pour conduit de fluide - Google Patents

Dispositif de securite automatique pour conduit de fluide

Info

Publication number
FR2573840B1
FR2573840B1 FR8417865A FR8417865A FR2573840B1 FR 2573840 B1 FR2573840 B1 FR 2573840B1 FR 8417865 A FR8417865 A FR 8417865A FR 8417865 A FR8417865 A FR 8417865A FR 2573840 B1 FR2573840 B1 FR 2573840B1
Authority
FR
France
Prior art keywords
safety device
fluid conduit
automatic safety
automatic
conduit
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
FR8417865A
Other languages
English (en)
Other versions
FR2573840A1 (fr
Inventor
Jean-Louis Quenin
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.)
NEYPIC
Original Assignee
NEYPIC
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 NEYPIC filed Critical NEYPIC
Priority to FR8417865A priority Critical patent/FR2573840B1/fr
Priority to US06/800,861 priority patent/US4665932A/en
Priority to BR8505880A priority patent/BR8505880A/pt
Priority to IN900/CAL/85A priority patent/IN162030B/en
Publication of FR2573840A1 publication Critical patent/FR2573840A1/fr
Application granted granted Critical
Publication of FR2573840B1 publication Critical patent/FR2573840B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16K17/32—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting on a servo-mechanism or on a catch-releasing mechanism
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7723—Safety cut-off requiring reset
    • Y10T137/7726—Responsive to change in rate of flow
    • Y10T137/7727—Excessive flow cut-off
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7723—Safety cut-off requiring reset
    • Y10T137/7729—Reset by pressure equalization valve or by-pass
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7723—Safety cut-off requiring reset
    • Y10T137/773—Fluid released trip
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7759—Responsive to change in rate of fluid flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7784—Responsive to change in rate of fluid flow
    • Y10T137/7785—Valve closes in response to excessive flow

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
FR8417865A 1984-11-23 1984-11-23 Dispositif de securite automatique pour conduit de fluide Expired FR2573840B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8417865A FR2573840B1 (fr) 1984-11-23 1984-11-23 Dispositif de securite automatique pour conduit de fluide
US06/800,861 US4665932A (en) 1984-11-23 1985-11-22 Automatic safety device for fluid duct
BR8505880A BR8505880A (pt) 1984-11-23 1985-11-22 Dispositivo de seguranca de funcionamento automatico e autonomo para conduto de fluido
IN900/CAL/85A IN162030B (fr) 1984-11-23 1985-12-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8417865A FR2573840B1 (fr) 1984-11-23 1984-11-23 Dispositif de securite automatique pour conduit de fluide

Publications (2)

Publication Number Publication Date
FR2573840A1 FR2573840A1 (fr) 1986-05-30
FR2573840B1 true FR2573840B1 (fr) 1987-05-22

Family

ID=9309874

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8417865A Expired FR2573840B1 (fr) 1984-11-23 1984-11-23 Dispositif de securite automatique pour conduit de fluide

Country Status (4)

Country Link
US (1) US4665932A (fr)
BR (1) BR8505880A (fr)
FR (1) FR2573840B1 (fr)
IN (1) IN162030B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5081913A (en) * 1990-05-18 1992-01-21 Hubert Gervais Air vent closure system
US5076321A (en) * 1991-01-07 1991-12-31 Terry Paul E Flow sensitive fluid shutoff safety device
US5782263A (en) 1995-08-04 1998-07-21 Gary A. Isaacson, Jr. Flood control device
FR2741937B1 (fr) * 1995-12-01 1998-02-20 Gaz De France Dispositif d'alimentation en fluide gazeux d'un reseau de distribution
US7574896B1 (en) * 2003-09-18 2009-08-18 Michigan Aqua Tech, Inc. Leak detection and control
US7174771B2 (en) * 2003-09-18 2007-02-13 Michigan Aqua Tech Leak detection system
US9010360B1 (en) * 2014-01-25 2015-04-21 Drexel University Flow control/shut-off valve assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1322906A (en) * 1919-11-25 Plication
FR652341A (fr) * 1927-04-28 1929-03-07 Perfectionnements aux obturateurs de retenue automatiques
GB287737A (en) * 1927-04-28 1928-03-29 Robert Arnold Blakeborough Improvements in automatic non-return valves
GB313306A (en) * 1928-06-05 1929-06-13 Hugh Pass Williamson Improvements in self-closing valves
US2044437A (en) * 1934-05-18 1936-06-16 Dominion Eng Works Ltd Automatic valve control mechanism for fluid distributing systems
US2659383A (en) * 1944-07-06 1953-11-17 Frager Louis Charles Eugene Safety device for water supply networks
US2694408A (en) * 1952-08-16 1954-11-16 Fred W Mcrae Valve control mechanism

Also Published As

Publication number Publication date
BR8505880A (pt) 1986-08-12
IN162030B (fr) 1988-03-19
US4665932A (en) 1987-05-19
FR2573840A1 (fr) 1986-05-30

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Legal Events

Date Code Title Description
ST Notification of lapse