ATE107751T1 - Vorgesteuertes überdruckventil. - Google Patents

Vorgesteuertes überdruckventil.

Info

Publication number
ATE107751T1
ATE107751T1 AT88909059T AT88909059T ATE107751T1 AT E107751 T1 ATE107751 T1 AT E107751T1 AT 88909059 T AT88909059 T AT 88909059T AT 88909059 T AT88909059 T AT 88909059T AT E107751 T1 ATE107751 T1 AT E107751T1
Authority
AT
Austria
Prior art keywords
pressure valve
action pressure
pilot action
valve
pilot
Prior art date
Application number
AT88909059T
Other languages
English (en)
Inventor
Daniel J Elliott
Original Assignee
Danfoss As
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 Danfoss As filed Critical Danfoss As
Application granted granted Critical
Publication of ATE107751T1 publication Critical patent/ATE107751T1/de

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
    • F16K17/04—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
    • F16K17/06—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 special arrangements for adjusting the opening pressure
    • 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
    • Y10T137/7504—Removable valve head and seat unit
    • Y10T137/7613—Threaded into valve casing
    • 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
    • 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
    • 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
    • Y10T137/7834—Valve seat or external sleeve moves to open valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Earth Drilling (AREA)
AT88909059T 1988-03-31 1988-08-19 Vorgesteuertes überdruckventil. ATE107751T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/175,922 US4836240A (en) 1988-03-31 1988-03-31 Pilot-assisted pressure relief valve

Publications (1)

Publication Number Publication Date
ATE107751T1 true ATE107751T1 (de) 1994-07-15

Family

ID=22642214

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88909059T ATE107751T1 (de) 1988-03-31 1988-08-19 Vorgesteuertes überdruckventil.

Country Status (7)

Country Link
US (1) US4836240A (de)
EP (1) EP0363442B1 (de)
AT (1) ATE107751T1 (de)
AU (1) AU2541388A (de)
CA (1) CA1306927C (de)
DE (1) DE3850396T2 (de)
WO (1) WO1989009359A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5121947A (en) * 1991-02-08 1992-06-16 The Lee Company Expansion sealing device
US5829477A (en) * 1996-09-04 1998-11-03 Taprite-Fassco Manufacturing, Inc. Modular regulator
CA2507202A1 (en) * 2004-12-06 2006-06-06 Rotobec Inc. Hydraulic rotator and valve assembly
FR2901340A1 (fr) * 2006-05-17 2007-11-23 Messier Bugatti Sa Agencement de distributeur hydraulique sous forme de cartouche
US8870233B2 (en) * 2007-07-03 2014-10-28 S.P.M. Flow Control, Inc. Swivel joint with uniform ball bearing requirements
DE102008029684A1 (de) * 2007-07-18 2009-01-22 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Überdruckventil für eine Hydraulikanordnung
US8397748B2 (en) * 2007-11-12 2013-03-19 Ausco, Inc. Check valve having two seats
CA2747707A1 (en) * 2008-12-18 2010-07-15 Weir Spm, Inc. Hydraulic unloading valve
MX2011011007A (es) 2009-04-20 2012-02-13 Spm Flow Control Inc Valvula de charnela de linea de flujo.
CA2767042C (en) 2009-06-03 2017-08-15 S.P.M. Flow Control, Inc. Plug valve indicator
CA2882169C (en) 2012-08-16 2020-04-21 S.P.M. Flow Control, Inc. Plug valve having preloaded seal segments
US9322243B2 (en) 2012-08-17 2016-04-26 S.P.M. Flow Control, Inc. Automated relief valve control system and method
US9273543B2 (en) 2012-08-17 2016-03-01 S.P.M. Flow Control, Inc. Automated relief valve control system and method
CN102996556A (zh) * 2012-12-04 2013-03-27 怀特(中国)驱动产品有限公司 直动式液压螺纹插装平衡阀
USD707797S1 (en) 2013-03-15 2014-06-24 S.P.M. Flow Control, Inc. Seal segment
USD707332S1 (en) 2013-03-15 2014-06-17 S.P.M. Flow Control, Inc. Seal assembly
WO2015002863A1 (en) 2013-07-01 2015-01-08 S.P.M. Flow Control, Inc. Manifold assembly
CA2989626C (en) 2015-06-15 2023-08-29 S.P.M. Flow Control, Inc. Full-root-radius-threaded wing nut having increased wall thickness
US10677365B2 (en) 2015-09-04 2020-06-09 S.P.M. Flow Control, Inc. Pressure relief valve assembly and methods
US11035482B2 (en) * 2019-01-31 2021-06-15 Scott Dale Follett Pressure relief valve
US11353127B2 (en) * 2020-04-28 2022-06-07 Sun Hydraulics, Llc Vented counterbalance valve with two setting springs in parallel
DE102022101605B4 (de) * 2022-01-24 2024-05-16 Weber-Hydraulik Gmbh Einschraubventil

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054420A (en) * 1958-10-03 1962-09-18 Commercial Shearing Relief valves
US3595264A (en) * 1970-01-09 1971-07-27 Parker Hannifin Corp Load control and holding valve
US3665810A (en) * 1970-01-14 1972-05-30 Koehring Co Differential pressure holding valve
US4336826A (en) * 1980-05-02 1982-06-29 Fluid Controls, Inc. Control valve
US4346733A (en) * 1980-07-29 1982-08-31 Fluid Controls, Inc. Control valve

Also Published As

Publication number Publication date
EP0363442A4 (en) 1991-10-02
DE3850396D1 (de) 1994-07-28
US4836240A (en) 1989-06-06
AU2541388A (en) 1989-10-16
EP0363442B1 (de) 1994-06-22
EP0363442A1 (de) 1990-04-18
CA1306927C (en) 1992-09-01
WO1989009359A1 (en) 1989-10-05
DE3850396T2 (de) 1994-10-06

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee