DE3542274C2 - - Google Patents

Info

Publication number
DE3542274C2
DE3542274C2 DE19853542274 DE3542274A DE3542274C2 DE 3542274 C2 DE3542274 C2 DE 3542274C2 DE 19853542274 DE19853542274 DE 19853542274 DE 3542274 A DE3542274 A DE 3542274A DE 3542274 C2 DE3542274 C2 DE 3542274C2
Authority
DE
Germany
Prior art keywords
valve
pressure relief
relief valve
piston
gas spring
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 - Fee Related
Application number
DE19853542274
Other languages
German (de)
English (en)
Other versions
DE3542274A1 (de
Inventor
Kurt 7701 Hattingen De Faust
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.)
ECKER MASCHINENBAU GMBH & CO KG, 6680 NEUNKIRCHEN,
Original Assignee
Ecker Maschinenbau & Co Kg 6680 Neunkirchen De 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 Ecker Maschinenbau & Co Kg 6680 Neunkirchen De GmbH filed Critical Ecker Maschinenbau & Co Kg 6680 Neunkirchen De GmbH
Priority to DE19853542274 priority Critical patent/DE3542274A1/de
Publication of DE3542274A1 publication Critical patent/DE3542274A1/de
Application granted granted Critical
Publication of DE3542274C2 publication Critical patent/DE3542274C2/de
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0493Safety 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 a spring other than a helicoidal spring

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
DE19853542274 1985-11-29 1985-11-29 Druckbegrenzungsventil fuer hydraulische einrichtungen im bergbau Granted DE3542274A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853542274 DE3542274A1 (de) 1985-11-29 1985-11-29 Druckbegrenzungsventil fuer hydraulische einrichtungen im bergbau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853542274 DE3542274A1 (de) 1985-11-29 1985-11-29 Druckbegrenzungsventil fuer hydraulische einrichtungen im bergbau

Publications (2)

Publication Number Publication Date
DE3542274A1 DE3542274A1 (de) 1987-06-04
DE3542274C2 true DE3542274C2 (sv) 1993-01-07

Family

ID=6287212

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853542274 Granted DE3542274A1 (de) 1985-11-29 1985-11-29 Druckbegrenzungsventil fuer hydraulische einrichtungen im bergbau

Country Status (1)

Country Link
DE (1) DE3542274A1 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4319967C2 (de) * 1993-06-17 2003-08-21 Vos Richard Grubenausbau Gmbh Druckbegrenzungsventil für den hydraulischen Ausbau im untertägigen Berg- und Tunnelbau

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102330560B (zh) * 2011-09-20 2013-12-18 中煤北京煤矿机械有限责任公司 带有防压死装置的矿用液压支架立柱
CN103953372B (zh) * 2012-07-04 2016-02-10 巨隆集团芜湖兴隆液压有限公司 一种供煤矿综采液压支架使用的氮气安全阀
CN103334776A (zh) * 2013-05-28 2013-10-02 山西平阳广日机电有限公司 一种手动换向阀用整体插装式阀芯组件
CN106516752B (zh) * 2016-11-11 2024-05-28 航天长征化学工程股份有限公司 一种柱塞式粉煤加压输送装置
CN109611591A (zh) * 2019-01-29 2019-04-12 微山金源煤矿 一种导流卸压阀
CN111894926B (zh) * 2020-07-10 2022-04-29 乐清市东风煤矿设备有限公司 一种液压支架的安全阀

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1303157C2 (de) * 1973-02-01 Ueberdruckventilpatrone zum absichern hydraulischer grubenstempel
CS228216B1 (en) * 1981-05-29 1984-05-14 Bena Zdenek Device for the pressure space production against a dynamic pressure overload

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4319967C2 (de) * 1993-06-17 2003-08-21 Vos Richard Grubenausbau Gmbh Druckbegrenzungsventil für den hydraulischen Ausbau im untertägigen Berg- und Tunnelbau

Also Published As

Publication number Publication date
DE3542274A1 (de) 1987-06-04

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: ECKER MASCHINENBAU GMBH & CO KG, 6680 NEUNKIRCHEN,

8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: E21D 15/51

D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SAARBERG HYDRAULIK GMBH, 66540 NEUNKIRCHEN, DE

8339 Ceased/non-payment of the annual fee