IT8319782A0 - Valvola di pressione prepilotata per la regolazione di una determinata pressione del sistema. - Google Patents

Valvola di pressione prepilotata per la regolazione di una determinata pressione del sistema.

Info

Publication number
IT8319782A0
IT8319782A0 IT8319782A IT1978283A IT8319782A0 IT 8319782 A0 IT8319782 A0 IT 8319782A0 IT 8319782 A IT8319782 A IT 8319782A IT 1978283 A IT1978283 A IT 1978283A IT 8319782 A0 IT8319782 A0 IT 8319782A0
Authority
IT
Italy
Prior art keywords
adjusting
piloted
certain system
pressure
pressure valve
Prior art date
Application number
IT8319782A
Other languages
English (en)
Other versions
IT1161096B (it
Inventor
Gerorg Rausch
Original Assignee
Rexroth Mannesmann Gmbh
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 Rexroth Mannesmann Gmbh filed Critical Rexroth Mannesmann Gmbh
Publication of IT8319782A0 publication Critical patent/IT8319782A0/it
Application granted granted Critical
Publication of IT1161096B publication Critical patent/IT1161096B/it

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
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
    • 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
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve
    • F16K17/105—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve using choking or throttling means to control the fluid operation of the main 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7762—Fluid pressure type
    • Y10T137/7764—Choked or throttled pressure type
    • 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
    • Y10T137/7782—With manual or external control for line valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Pressure (AREA)
IT8319782A 1982-02-26 1983-02-25 Valvola di pressione prepilotata per la regolazione di una determinata pressione del sistema IT1161096B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3207080A DE3207080C2 (de) 1982-02-26 1982-02-26 Vorgesteuertes Druckventil

Publications (2)

Publication Number Publication Date
IT8319782A0 true IT8319782A0 (it) 1983-02-25
IT1161096B IT1161096B (it) 1987-03-11

Family

ID=6156851

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8319782A IT1161096B (it) 1982-02-26 1983-02-25 Valvola di pressione prepilotata per la regolazione di una determinata pressione del sistema

Country Status (4)

Country Link
US (1) US4485842A (it)
DE (1) DE3207080C2 (it)
GB (1) GB2115952B (it)
IT (1) IT1161096B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4004931C2 (de) * 1990-02-16 1995-02-23 Rexroth Mannesmann Gmbh Vorgesteuertes Druckabschaltventil
DE10203632A1 (de) * 2002-01-30 2003-07-31 Bosch Rexroth Ag Druckventil
NO328098B1 (no) * 2003-08-19 2009-12-07 Imenco Engineering As Anordning og fremgangsmate for trykkfluidsirkulering i aktuatorsystem
US8549864B2 (en) * 2010-01-07 2013-10-08 General Electric Company Temperature activated valves for gas turbines
US8684660B2 (en) 2011-06-20 2014-04-01 General Electric Company Pressure and temperature actuation system
CN108825574B (zh) * 2018-07-20 2020-01-03 太原理工大学 一种自动适应负载变化与流量变化的液压平衡阀

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855947A (en) * 1952-10-15 1958-10-14 Keelavite Co Ltd Pressure responsive valves
US3373763A (en) * 1963-01-04 1968-03-19 American Brake Shoe Co High speed valves
US3250293A (en) * 1963-10-17 1966-05-10 American Brake Shoe Co Electric and fluid pressure operated valve mechanism
US3884262A (en) * 1970-09-11 1975-05-20 Koppen Lethem Trading Pressure control device for a hydraulic circuit
US4172466A (en) * 1977-07-01 1979-10-30 Target Rock Corporation Self-actuated pilot-controlled safety valve

Also Published As

Publication number Publication date
GB2115952A (en) 1983-09-14
DE3207080C2 (de) 1986-08-21
GB8303282D0 (en) 1983-03-09
GB2115952B (en) 1985-06-26
IT1161096B (it) 1987-03-11
DE3207080A1 (de) 1983-09-15
US4485842A (en) 1984-12-04

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