HK14391A - Pressure relief device - Google Patents

Pressure relief device

Info

Publication number
HK14391A
HK14391A HK143/91A HK14391A HK14391A HK 14391 A HK14391 A HK 14391A HK 143/91 A HK143/91 A HK 143/91A HK 14391 A HK14391 A HK 14391A HK 14391 A HK14391 A HK 14391A
Authority
HK
Hong Kong
Prior art keywords
pressure relief
relief device
improvement
cup
fixedly mounted
Prior art date
Application number
HK143/91A
Other languages
English (en)
Inventor
Wendell David Johnson
Original Assignee
Qualitrol Corp
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 Qualitrol Corp filed Critical Qualitrol Corp
Publication of HK14391A publication Critical patent/HK14391A/xx

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/404—Protective devices specially adapted for fluid filled transformers
    • 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
    • Y10T137/4238—With cleaner, lubrication added to fluid or liquid sealing at valve interface
    • Y10T137/4245—Cleaning or steam sterilizing
    • Y10T137/4273—Mechanical cleaning
    • 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
    • Y10T137/7738—Pop 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
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7866—Plural seating

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Safety Valves (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Gasket Seals (AREA)
  • Lift Valve (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Sealing Devices (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Control Of Combustion (AREA)
  • Compressor (AREA)
  • Glass Compositions (AREA)
  • Regulation Of General Use Transformers (AREA)
HK143/91A 1982-01-07 1991-02-28 Pressure relief device HK14391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/337,731 US4676266A (en) 1982-01-07 1982-01-07 Pressure relief device

Publications (1)

Publication Number Publication Date
HK14391A true HK14391A (en) 1991-03-08

Family

ID=23321769

Family Applications (1)

Application Number Title Priority Date Filing Date
HK143/91A HK14391A (en) 1982-01-07 1991-02-28 Pressure relief device

Country Status (12)

Country Link
US (1) US4676266A (xx)
EP (1) EP0083814B1 (xx)
JP (1) JPS58118384A (xx)
AT (1) ATE21539T1 (xx)
AU (1) AU551512B2 (xx)
CA (1) CA1197215A (xx)
DE (1) DE3272774D1 (xx)
DK (1) DK157254C (xx)
ES (1) ES279725Y (xx)
HK (1) HK14391A (xx)
IE (1) IE53510B1 (xx)
PT (1) PT76068B (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1207213A (en) * 1982-05-19 1986-07-08 Wendell D. Johnson Dual valve pressure relief device
US4843187A (en) * 1988-02-05 1989-06-27 Qualitrol Corporation Gasket assembly and electrical power transformer including the same
US5520209A (en) * 1993-12-03 1996-05-28 The Dow Chemical Company Fluid relief device
US5960823A (en) * 1998-07-21 1999-10-05 Electromechanical Research Laboratories, Inc. Tank vacuum limiter assembly
US6497248B2 (en) 2001-01-18 2002-12-24 Qualitrol Corporation Pressure relief device with one piece gasket
ITPD20010014U1 (it) * 2001-02-27 2002-08-27 Comem Spa Struttura di valvola di sicurezza particolarmente per trasformatori elettrici in bagno d'olio.
PT1604138E (pt) 2003-03-19 2008-04-29 Reinhausen Maschf Scheubeck Válvula de descompressão
US7210497B2 (en) * 2003-12-19 2007-05-01 Qualitrol Corporation Pressure relief device with increased flow rate
US7111637B2 (en) * 2003-12-19 2006-09-26 Qualitrol Corporation Enclosure system for pressure relief device
BRPI0711023A2 (pt) 2006-05-18 2011-08-23 Maspro Denko Kk unidade em série
DE102008060337B3 (de) * 2008-12-03 2010-04-08 Maschinenfabrik Reinhausen Gmbh Druckentlastungsventil
ES2600513T3 (es) * 2010-11-03 2017-02-09 Leinemann Gmbh & Co. Kg Válvula de conmutación
EP2520836A1 (en) 2011-05-05 2012-11-07 ABB Technology AG Pressure relief device for a power transformer, and related power transformer
ITVI20120143A1 (it) * 2012-06-15 2013-12-16 Elettromaule Component S R L Una valvola di sovrappressione
DE102018113748B3 (de) * 2018-06-08 2019-07-11 Leinemann Gmbh & Co. Kg Tankventil und Tank mit einem derartigen Ventil
CN110725979B (zh) * 2019-11-22 2024-09-24 沈阳明远电气科技有限公司 防爆阀
US11857761B2 (en) * 2021-08-03 2024-01-02 Carefusion 303, Inc. Check valve

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2130651A (en) * 1936-02-10 1938-09-20 Vacseal Containers Ltd Closure for canisters, boxes, cans, jars, and the like containers
US2328805A (en) * 1941-06-13 1943-09-07 Galvin Mfg Corp Valve mechanism
US2645449A (en) * 1948-04-28 1953-07-14 Eljer Co Faucet with pressure sealed expanding washer valve seat
US2752942A (en) * 1951-09-18 1956-07-03 Dunlop Rubber Co Pressure relief valve
US3113172A (en) * 1958-12-24 1963-12-03 Gen Electric Pressure relief device
US3164164A (en) * 1960-02-02 1965-01-05 Pall Corp Pressure-responsive valves
US3217082A (en) * 1962-10-08 1965-11-09 Qualitrol Corp Snap-action fault protector for electrical apparatus
US3347555A (en) * 1964-08-11 1967-10-17 Orlo C Norton Seal rings for pressure cylinders
DE2914981C3 (de) * 1979-04-12 1993-12-02 Westfalia Becorit Ind Tech Druckbegrenzungsventil für hydraulische Grubenstempel

Also Published As

Publication number Publication date
AU9094382A (en) 1983-07-14
ATE21539T1 (de) 1986-09-15
IE822772L (en) 1983-07-07
IE53510B1 (en) 1988-11-23
AU551512B2 (en) 1986-05-01
ES279725U (es) 1984-11-16
PT76068B (en) 1986-01-16
DE3272774D1 (en) 1986-09-25
EP0083814B1 (en) 1986-08-20
JPS58118384A (ja) 1983-07-14
PT76068A (en) 1983-02-01
ES279725Y (es) 1985-06-01
DK157254C (da) 1990-05-07
US4676266A (en) 1987-06-30
DK157254B (da) 1989-11-27
JPH0366542B2 (xx) 1991-10-17
CA1197215A (en) 1985-11-26
EP0083814A1 (en) 1983-07-20
DK542382A (da) 1983-07-08

Similar Documents

Publication Publication Date Title
DE3272774D1 (en) Pressure relief device
JPS55142986A (en) Airrdriven diaphragm pump and operating valve
JPS56150670A (en) Hydrodynamic shaft seal
AU3075577A (en) Pressure relief valve cleaning arrangement
JPS52108517A (en) Pressure escaping valve
EP0384173A3 (en) Sealing member for a roll with an adjustable linear contact pressure
DE3165928D1 (en) Shutoff valve device with pressure relief
GB2013307A (en) Pressure relief valve device
GB8306598D0 (en) Safety pressure relief valve
AU1750083A (en) Electrical pressure contact
ATE8962T1 (de) Ventilanordnung fuer einen dampfdruckkochtopf.
GB2025865B (en) Power steering with pressure relief valves
DE3374892D1 (en) Pressure modulating and reducing valve
DE3372123D1 (en) Pressure relief valve with integrated pilot valve
GB2057634B (en) Relief valve assemblies
AU6357580A (en) High pressure pump valves
GB2042114B (en) Pressure modulating valves
GB2121928B (en) Pressure relief valve
JPS55106799A (en) Device for cutting fluid with high pressure
JPS57132938A (en) Vacuum adsorbing device
GB2044411B (en) Pump with pressure relief valve
GB2054209B (en) Pressure relief valves
GB2054208B (en) Pressure relief valves
YU43457B (en) Contact valve with a cylindrical stretchable gasket
USD281722S (en) Magnetizable rotor for liquid treatment apparatus

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)