CS230585B2 - Valve for reduction of pressure especially for hydraulic props - Google Patents

Valve for reduction of pressure especially for hydraulic props Download PDF

Info

Publication number
CS230585B2
CS230585B2 CS815115A CS511581A CS230585B2 CS 230585 B2 CS230585 B2 CS 230585B2 CS 815115 A CS815115 A CS 815115A CS 511581 A CS511581 A CS 511581A CS 230585 B2 CS230585 B2 CS 230585B2
Authority
CS
Czechoslovakia
Prior art keywords
valve
movable part
closure plate
space
pressure limiting
Prior art date
Application number
CS815115A
Other languages
Czech (cs)
English (en)
Inventor
Karoly Balazs
Vladimir D Firstov
Miklos Frcska
Laszlo Gal
Sandor Hlavay
Lajos Huber
Jozsef Korbuly
Laszlo Mahig
Jurij F Ponomarenko
Jurij G Sejn
Ferenc Simon
Original Assignee
Koezponti Banyaszati Fejleszte
Magyar Aluminium
Skotchinsky Inst Gornogo Dela
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 Koezponti Banyaszati Fejleszte, Magyar Aluminium, Skotchinsky Inst Gornogo Dela filed Critical Koezponti Banyaszati Fejleszte
Publication of CS230585B2 publication Critical patent/CS230585B2/cs

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
    • 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
    • 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
    • F16K17/044—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 more than one spring
    • 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
    • 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
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7905—Plural biasing means
CS815115A 1980-07-02 1981-07-02 Valve for reduction of pressure especially for hydraulic props CS230585B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU801640A HU182182B (en) 1980-07-02 1980-07-02 Pressure limiting valve particularly for hydraulic props

Publications (1)

Publication Number Publication Date
CS230585B2 true CS230585B2 (en) 1984-08-13

Family

ID=10955472

Family Applications (1)

Application Number Title Priority Date Filing Date
CS815115A CS230585B2 (en) 1980-07-02 1981-07-02 Valve for reduction of pressure especially for hydraulic props

Country Status (11)

Country Link
US (1) US4418715A (de)
AT (1) AT374567B (de)
CS (1) CS230585B2 (de)
DD (1) DD200578A5 (de)
DE (1) DE3126159A1 (de)
FR (1) FR2486191B1 (de)
GB (1) GB2078911B (de)
GR (1) GR74367B (de)
HU (1) HU182182B (de)
PL (1) PL131997B1 (de)
YU (1) YU163281A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2115047B (en) * 1982-02-03 1985-06-19 Dowty Mining Equipment Ltd Mine roof support system
US4545405A (en) * 1983-11-09 1985-10-08 Thomas Industries, Inc. Multi-position relief valve
AT393537B (de) * 1989-10-25 1991-11-11 E & Pk Ingbuero Bohrgeraet
US5121947A (en) * 1991-02-08 1992-06-16 The Lee Company Expansion sealing device
CZ305102B6 (cs) * 2009-08-11 2015-05-06 Hennlich Industrietechnik, Spol. S R. O. Předepínací zpětný ventil
CN103291983B (zh) * 2013-06-28 2015-06-10 三一重型装备有限公司 一种安全阀及安装有此安全阀的液压支架
CN113314799B (zh) * 2021-06-07 2022-09-27 江苏天辉锂电池有限公司 一种锂电池

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB904626A (en) * 1958-11-08 1962-08-29 Aero & Engineering Merseyside Improvements in or relating to hose reels and valves operated thereby
US3036593A (en) * 1959-08-10 1962-05-29 Eric J Saville Pressure relief valve
GB1116921A (en) * 1963-10-16 1968-06-12 Marshalsea Bros Ltd Relief valve
GB1128164A (en) * 1965-02-17 1968-09-25 Bonser Engineering Ltd Improvements in or relating to fluid flow control valves
GB1250055A (en) * 1969-03-15 1971-10-20 Malcolm Martin Engineers Ltd Improvements in relief valves
GB1219866A (en) * 1969-06-19 1971-01-20 I V Pressure Controllers Ltd Improvements in or relating to fluid flow control valves
US3856043A (en) * 1972-10-30 1974-12-24 Fnb Products Pressure responsive fluid valve assembly
DE2506928C3 (de) * 1975-02-19 1979-06-28 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Gebirgsschlagventil für hydraulische Grubenstempel
FR2322260A1 (fr) * 1975-08-25 1977-03-25 Banyaszati Kutato Intezet Soupape de limitation de pression comprenant un element elastique de gaz, notamment pour etancons hydrauliques
FR2329917A1 (fr) * 1975-11-03 1977-05-27 Bennes Marrel Valve de decharge pour circuits hydrauliques
DE2552733A1 (de) * 1975-11-25 1977-06-02 Bochumer Eisen Heintzmann Ueberdruckventil mit einem verschlussstueck, welches durch ein unter druck stehendes steuergas beaufschlagt ist
DE2815919A1 (de) * 1978-04-13 1979-10-18 Thyssen Industrie Ueberdruckventil fuer hydraulische ausbauelemente des untertaegigen grubenbetriebs, vornehmlich fuer den steinkohlebergbau

Also Published As

Publication number Publication date
PL131997B1 (en) 1985-01-31
ATA287581A (de) 1983-09-15
FR2486191A1 (fr) 1982-01-08
FR2486191B1 (fr) 1986-04-04
HU182182B (en) 1983-12-28
PL231996A1 (de) 1982-02-15
GR74367B (de) 1984-06-28
YU163281A (en) 1984-06-30
US4418715A (en) 1983-12-06
DE3126159A1 (de) 1982-03-04
DD200578A5 (de) 1983-05-18
GB2078911B (en) 1984-08-22
GB2078911A (en) 1982-01-13
AT374567B (de) 1983-09-15

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