DE4025727A1 - Druckventil - Google Patents

Druckventil

Info

Publication number
DE4025727A1
DE4025727A1 DE19904025727 DE4025727A DE4025727A1 DE 4025727 A1 DE4025727 A1 DE 4025727A1 DE 19904025727 DE19904025727 DE 19904025727 DE 4025727 A DE4025727 A DE 4025727A DE 4025727 A1 DE4025727 A1 DE 4025727A1
Authority
DE
Germany
Prior art keywords
pressure
pressure medium
valve
control
chamber
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
DE19904025727
Other languages
German (de)
English (en)
Other versions
DE4025727C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Reinhard Kucharzyk
Hildegard Kucharzyk
Uwe Kucharzyk
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 DE19904025727 priority Critical patent/DE4025727A1/de
Priority to EP91710027A priority patent/EP0477130A1/de
Publication of DE4025727A1 publication Critical patent/DE4025727A1/de
Application granted granted Critical
Publication of DE4025727C2 publication Critical patent/DE4025727C2/de
Granted 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
    • F16K17/02—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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
DE19904025727 1990-08-14 1990-08-14 Druckventil Granted DE4025727A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19904025727 DE4025727A1 (de) 1990-08-14 1990-08-14 Druckventil
EP91710027A EP0477130A1 (de) 1990-08-14 1991-08-06 Druckventil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904025727 DE4025727A1 (de) 1990-08-14 1990-08-14 Druckventil

Publications (2)

Publication Number Publication Date
DE4025727A1 true DE4025727A1 (de) 1992-02-20
DE4025727C2 DE4025727C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-03-18

Family

ID=6412214

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904025727 Granted DE4025727A1 (de) 1990-08-14 1990-08-14 Druckventil

Country Status (2)

Country Link
EP (1) EP0477130A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE4025727A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008024044B4 (de) * 2008-05-16 2010-02-18 Danfoss A/S Ventilanordnung
DE102009015684A1 (de) 2009-03-31 2010-10-07 Robert Bosch Gmbh Ventilanordnung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318326A (en) * 1965-01-28 1967-05-09 Ohio Brass Co Relief valve
US3972345A (en) * 1975-05-27 1976-08-03 Sperry Rand Corporation Pilot operated relief valve
DE3239931A1 (de) * 1982-10-28 1984-05-03 Mannesmann Rexroth GmbH, 8770 Lohr Druckventil, insbesondere druckbegrenzungsventil, druckreduzierventil oder dgl.
DE3318246A1 (de) * 1983-05-19 1984-11-22 Mannesmann Rexroth GmbH, 8770 Lohr Druckbegrenzungsventil

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DIN 24300, Blatt 3, März 1966, S. 1-8 *
Druckschrift "Vorgesteuerte Druckbegrenzungsventile" (Patronenausführung) Type DB/DBW Serie 40, RD 25815 Ausgabe 4.81/ 6.80, Fa. Rexroth *

Also Published As

Publication number Publication date
EP0477130A1 (de) 1992-03-25
DE4025727C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-03-18

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licenses declared (paragraph 23)
8339 Ceased/non-payment of the annual fee