IT1142364B - Perfezionamento nelle valvole regolatrici di pressione - Google Patents

Perfezionamento nelle valvole regolatrici di pressione

Info

Publication number
IT1142364B
IT1142364B IT48114/81A IT4811481A IT1142364B IT 1142364 B IT1142364 B IT 1142364B IT 48114/81 A IT48114/81 A IT 48114/81A IT 4811481 A IT4811481 A IT 4811481A IT 1142364 B IT1142364 B IT 1142364B
Authority
IT
Italy
Prior art keywords
improvement
pressure regulating
regulating valves
valves
pressure
Prior art date
Application number
IT48114/81A
Other languages
English (en)
Other versions
IT8148114A0 (it
Inventor
James A Neff
Original Assignee
Mac Valves Inc
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 Mac Valves Inc filed Critical Mac Valves Inc
Publication of IT8148114A0 publication Critical patent/IT8148114A0/it
Application granted granted Critical
Publication of IT1142364B publication Critical patent/IT1142364B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/10—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
    • 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
    • Y10T137/7771—Bi-directional flow valves
    • Y10T137/7779—Axes of ports parallel
    • 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
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7801—Balanced valve
    • 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
    • Y10T137/8593—Systems
    • Y10T137/87265—Dividing into parallel flow paths with recombining
    • Y10T137/8733—Fluid pressure regulator in at least one branch
    • 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
    • Y10T137/8593—Systems
    • Y10T137/87265—Dividing into parallel flow paths with recombining
    • Y10T137/87555—Having direct response valve [e.g., check valve, etc.]
    • Y10T137/87563—With reverse flow direction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lift Valve (AREA)
  • Check Valves (AREA)
IT48114/81A 1980-03-31 1981-03-26 Perfezionamento nelle valvole regolatrici di pressione IT1142364B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/135,777 US4271864A (en) 1980-03-31 1980-03-31 Pressure regulating valve

Publications (2)

Publication Number Publication Date
IT8148114A0 IT8148114A0 (it) 1981-03-26
IT1142364B true IT1142364B (it) 1986-10-08

Family

ID=22469615

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48114/81A IT1142364B (it) 1980-03-31 1981-03-26 Perfezionamento nelle valvole regolatrici di pressione

Country Status (8)

Country Link
US (1) US4271864A (it)
AU (1) AU527655B2 (it)
BR (1) BR8101813A (it)
CA (1) CA1125140A (it)
FR (1) FR2479354A1 (it)
GB (1) GB2072803B (it)
IT (1) IT1142364B (it)
MX (1) MX153475A (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541454A (en) * 1981-12-07 1985-09-17 Sturman Oded E Pressure regulators
US4862788A (en) * 1988-03-28 1989-09-05 Hans Bauman Valve positioning device
US5404905A (en) * 1994-04-25 1995-04-11 Lauria; Thomas J. Backflow preventer with failure indicator
JP3598235B2 (ja) * 1999-03-10 2004-12-08 Ｓｍｃ株式会社 圧力流量制御弁
US6321995B1 (en) 1999-10-21 2001-11-27 Parker-Hannifin Corporation Thermostatic expansion valve
US6418741B1 (en) 2000-05-03 2002-07-16 Parker Hannifin Corporation Expansion/check valve assembly including a reverse flow rate adjustment device
US6637451B2 (en) 2001-12-06 2003-10-28 Mac Valves, Inc. Pneumatic pressure regulator assembly
US9683669B2 (en) * 2015-08-27 2017-06-20 Vektek, Inc. Delay valve for a hydraulic work support
US11781397B2 (en) * 2020-09-02 2023-10-10 George Todd Lowry Integral check valve lock open device for oil and gas equipment

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1519856A (en) * 1923-02-12 1924-12-16 David G Lorraine Valve
DE650404C (de) * 1931-06-12 1937-09-22 Harry Franklin Vickers Vorrichtung zur Steuerung der Bewegung eines durch Fluessigkeit beeinflussten Teiles
US2047654A (en) * 1932-02-23 1936-07-14 Cleveland Heater Co Relief valve
US2501483A (en) * 1948-04-03 1950-03-21 Warner Swasey Co Hydraulic power system
US2755817A (en) * 1951-03-23 1956-07-24 Lear Inc Balanced pressure relief valve
FR1165783A (fr) * 1957-02-01 1958-10-29 Limiteur de pression à double effet
US3400735A (en) * 1966-08-30 1968-09-10 Rocket Jet Engineering Corp Pressure regulating release valve
US4168720A (en) * 1976-03-03 1979-09-25 General Pneumatics Corporation Poppet valve
US4175473A (en) * 1976-06-08 1979-11-27 Shoketsu Kinzoku Kogyo Kabushiki Kaisha Fluid circuit
US4192346A (en) * 1976-08-25 1980-03-11 Shoketsu Kinzoku Kogyo Kabushiki Kaisha Control valve
DE2738476C2 (de) * 1976-09-02 1985-08-01 Shoketsu Kinzoku Kogyo K.K., Tokio/Tokyo Steuerventil
US4182360A (en) * 1977-04-11 1980-01-08 Mac Valves, Inc. Pressure regulating and flow control valve
US4177840A (en) * 1977-12-29 1979-12-11 Mac Valves, Inc. Pressure regulation and flow control valve with combination needle and check valves

Also Published As

Publication number Publication date
US4271864A (en) 1981-06-09
MX153475A (es) 1986-10-23
BR8101813A (pt) 1981-10-06
GB2072803A (en) 1981-10-07
FR2479354A1 (fr) 1981-10-02
AU527655B2 (en) 1983-03-17
AU6762181A (en) 1981-10-08
GB2072803B (en) 1983-12-07
CA1125140A (en) 1982-06-08
IT8148114A0 (it) 1981-03-26

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