NO178509C - Lavtrykks-resirkuleringsventil for en sentrifugalpumpe - Google Patents

Lavtrykks-resirkuleringsventil for en sentrifugalpumpe

Info

Publication number
NO178509C
NO178509C NO914681A NO914681A NO178509C NO 178509 C NO178509 C NO 178509C NO 914681 A NO914681 A NO 914681A NO 914681 A NO914681 A NO 914681A NO 178509 C NO178509 C NO 178509C
Authority
NO
Norway
Prior art keywords
chamber
valve
check valve
recirculation
port
Prior art date
Application number
NO914681A
Other languages
English (en)
Other versions
NO914681D0 (no
NO178509B (no
NO914681L (no
Inventor
George Loos
Horace J Maxwell
Original Assignee
Keystone Int
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 Keystone Int filed Critical Keystone Int
Publication of NO914681D0 publication Critical patent/NO914681D0/no
Publication of NO914681L publication Critical patent/NO914681L/no
Publication of NO178509B publication Critical patent/NO178509B/no
Publication of NO178509C publication Critical patent/NO178509C/no

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • F04D15/0011—Control, e.g. regulation, of pumps, pumping installations or systems by using valves by-pass valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/005—Arrangement or mounting of seats in vehicles, e.g. dismountable auxiliary seats
    • B60N2/015—Attaching seats directly to vehicle chassis
    • B60N2/01508—Attaching seats directly to vehicle chassis using quick release attachments
    • B60N2/01516—Attaching seats directly to vehicle chassis using quick release attachments with locking mechanisms
    • B60N2/01558—Attaching seats directly to vehicle chassis using quick release attachments with locking mechanisms with key and slot
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/32—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use
    • B60N2/36—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use into a loading platform
    • 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
    • F16K17/0473—Multiple-way safety 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2579—Flow rate responsive
    • Y10T137/2582—Including controlling main line flow
    • Y10T137/2584—Relief or bypass closes as main opens
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2579—Flow rate responsive
    • Y10T137/2587—Bypass or relief valve biased open
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive
    • Y10T137/2617—Bypass or relief valve biased open
    • 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
    • Y10T137/8593—Systems
    • Y10T137/85978—With pump
    • Y10T137/86171—With pump bypass

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Check Valves (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Gas Separation By Absorption (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Lift Valve (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Detergent Compositions (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
NO914681A 1989-05-31 1991-11-28 Lavtrykks-resirkuleringsventil for en sentrifugalpumpe NO178509C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/359,134 US4941502A (en) 1989-05-31 1989-05-31 Low pressure recirculation valve
PCT/US1990/002762 WO1990015252A1 (en) 1989-05-31 1990-05-21 Low pressure recirculation valve

Publications (4)

Publication Number Publication Date
NO914681D0 NO914681D0 (no) 1991-11-28
NO914681L NO914681L (no) 1992-01-29
NO178509B NO178509B (no) 1996-01-02
NO178509C true NO178509C (no) 1996-04-10

Family

ID=23412459

Family Applications (1)

Application Number Title Priority Date Filing Date
NO914681A NO178509C (no) 1989-05-31 1991-11-28 Lavtrykks-resirkuleringsventil for en sentrifugalpumpe

Country Status (17)

Country Link
US (1) US4941502A (no)
EP (1) EP0474749B1 (no)
JP (1) JPH04505952A (no)
KR (1) KR0138773B1 (no)
CN (1) CN1020943C (no)
AT (1) ATE156244T1 (no)
AU (1) AU639700B2 (no)
BR (1) BR9007406A (no)
CA (1) CA2016448A1 (no)
DE (1) DE69031167T2 (no)
DK (1) DK0474749T3 (no)
ES (2) ES2107426T3 (no)
FI (1) FI915636A7 (no)
HU (1) HU209607B (no)
MX (1) MX167705B (no)
NO (1) NO178509C (no)
WO (1) WO1990015252A1 (no)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5409032A (en) * 1989-01-17 1995-04-25 Shop Vac Corporation Pressure washer bypass valve
CA2007850A1 (en) * 1989-01-17 1990-07-17 Clive R. Paige Pressure washer with spring-less outlet to inlet bypass
ES2019805A6 (es) * 1990-01-22 1991-07-01 Bendix Espana Valvula de descarga para fluido hidraulico.
US5261437A (en) * 1991-06-10 1993-11-16 Keystone International Holdings Corp. Method and apparatus for monitoring and analyzing recirculation control system performance
US5172716A (en) * 1991-07-01 1992-12-22 Keystone International Holdings Corp. Recirculation valve
US5333638A (en) * 1993-01-21 1994-08-02 Keystone International Holdings Corp. Automatic recirculation valve
DE4340558C1 (de) * 1993-11-29 1995-04-20 Holter Gmbh & Co Mindestförderstromventil
US5549131A (en) 1995-01-23 1996-08-27 Keystone International Holdings Corp. Automatic recirculation valve
US5675880A (en) * 1996-08-29 1997-10-14 Bethlehem Steel Corporation Descaling system for use in the manufacture of steel and corresponding method
US6116217A (en) * 1998-09-29 2000-09-12 Stanadyne Automotive Corp. Full authority rail pressure-reduction valve
RU2187709C2 (ru) * 2000-10-02 2002-08-20 Открытое Акционерное Общество Акционерная нефтяная компания "Башнефть" Обратный клапан скважинного электроцентробежного насоса
JP3817132B2 (ja) 2000-11-30 2006-08-30 ニイガタ・メーソンネーラン株式会社 蒸気変換弁
JP3718631B2 (ja) 2000-11-30 2005-11-24 ニイガタ・メーソンネーラン株式会社 蒸気変換弁
JP2002168407A (ja) 2000-11-30 2002-06-14 Niigata Masoneilan Co Ltd 蒸気減温装置
US6698446B2 (en) 2002-07-12 2004-03-02 R. Conrader Company Check valve
ES2239875B2 (es) 2003-05-23 2007-02-16 Petroquimica Española, S.A. (Petresa) Valvula de paso para instalaciones de fluorhidrico.
GB2415029B (en) * 2004-06-12 2008-02-27 Demag Delaval Ind Turbomachine A hydraulic restrictor
US20080236674A1 (en) * 2007-03-30 2008-10-02 Tyco Valves & Controls, Inc. Adjustable recirculating valve
US8215330B2 (en) * 2007-03-30 2012-07-10 Tyco Valves & Controls, LP Adjustable recirculating valve
WO2010147891A2 (en) 2009-06-14 2010-12-23 Nulabel Technologies, Inc. Liner-free label and systems
MX2011013565A (es) * 2009-06-18 2012-02-22 Tyco Fire Products Lp Valvula de control de fluidos para doble proposito.
DE102018214948A1 (de) * 2018-09-03 2020-03-05 Awg Fittings Gmbh Rückflussverhinderer und Systemtrenner insbesondere für den Feuerwehrbereich
GB2608863B (en) * 2021-07-15 2025-06-25 Absolute Water Tech Solutions Ltd Water supply diversion device
US20250043897A1 (en) * 2021-09-08 2025-02-06 Kim Jin Tai Branch tee for sprinkler pipes controlling water stream automatically and sprinkler piping system having the same
US11725532B1 (en) * 2022-05-30 2023-08-15 Pratt & Whitney Canada Corp. Switching valve
US11939874B2 (en) 2022-06-02 2024-03-26 Pratt & Whitney Canada Corp. Switching valve
EP4643039A1 (en) * 2022-12-27 2025-11-05 Neoperl GmbH Dual action flow reversing valve with bi-stable state

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US934360A (en) * 1906-10-18 1909-09-14 Melms & Pfenninger G M B H Valve-gear for turbines.
US1537943A (en) * 1923-06-18 1925-05-19 K P Products Company Inc Governor for internal-combustion motors
US2398089A (en) * 1942-06-17 1946-04-09 Fehr Edmond Gas safety device
US2702048A (en) * 1952-04-21 1955-02-15 Rain Bird Sprinkler Mfg Pressure regulator
US2879794A (en) * 1958-02-12 1959-03-31 Costello Raymond Francis Check valve
US3750693A (en) * 1971-10-13 1973-08-07 Xar Ind Inc Solenoid operated valve
US3825221A (en) * 1972-10-30 1974-07-23 Smitherm Industries Valves for roasting apparatus and other applications
US4095611A (en) * 1977-01-17 1978-06-20 Yarway Corporation Modulating flow control valve assembly
US4243064A (en) * 1977-06-03 1981-01-06 Tuxhorn Kg Bypass valve for pumps, heating systems and the like
US4207915A (en) * 1977-09-06 1980-06-17 Amtrol, Inc. Back flow preventer
IL67370A0 (en) * 1981-12-07 1983-03-31 Sturman Oded E Pressure regulators
US4541454A (en) * 1981-12-07 1985-09-17 Sturman Oded E Pressure regulators
US4516600A (en) * 1982-05-14 1985-05-14 Sturman Oded E Pressure regulating valves
US4501290A (en) * 1982-09-30 1985-02-26 Sturman Oded E Pressure regulating mechanically and electrically operable shut off valves
NZ203837A (en) * 1983-04-08 1986-09-10 Moygro Mfg Ltd Alarm check valve for sandwiching between flanges of pipes in automatic sprinkler system
SE441545B (sv) * 1984-05-11 1985-10-14 Ssab Svenskt Stal Ab Ventilanordning for avlastningsvetskeflode vid en backventil
JPS6226628U (no) * 1985-07-31 1987-02-18

Also Published As

Publication number Publication date
DE69031167T2 (de) 1997-12-04
KR920701686A (ko) 1992-08-12
JPH04505952A (ja) 1992-10-15
FI915636A0 (fi) 1991-11-29
CN1052177A (zh) 1991-06-12
NO914681D0 (no) 1991-11-28
EP0474749A1 (en) 1992-03-18
HU209607B (en) 1994-09-28
US4941502A (en) 1990-07-17
AU5831790A (en) 1991-01-07
EP0474749A4 (no) 1994-01-12
NO178509B (no) 1996-01-02
MX167705B (es) 1993-04-06
CN1020943C (zh) 1993-05-26
CA2016448A1 (en) 1990-11-30
HU904790D0 (en) 1992-04-28
DK0474749T3 (da) 1998-03-16
FI915636A7 (fi) 1991-11-29
HUT63687A (en) 1993-09-28
EP0474749B1 (en) 1997-07-30
DE69031167D1 (de) 1997-09-04
ES2024281A6 (es) 1992-02-16
ATE156244T1 (de) 1997-08-15
NO914681L (no) 1992-01-29
AU639700B2 (en) 1993-08-05
ES2107426T3 (es) 1997-12-01
KR0138773B1 (ko) 1998-07-01
WO1990015252A1 (en) 1990-12-13
BR9007406A (pt) 1992-06-16

Similar Documents

Publication Publication Date Title
DK0474749T3 (da) Lavtryksrecirkulationsventil
WO2002016766A3 (en) Reciprocating motor with unidirectional fluid flow
ES449324A1 (es) Mejoras enno relativas a conjuntos de valvulas desviadoras.
DE69217946D1 (de) Rückführventil
ATE62329T1 (de) Auslaufventil mit geraeuschdaempfender einrichtung.
ATE124768T1 (de) Ventilvorrichtung.
ATE386171T1 (de) Rückflussverhinderer
DK0592415T3 (da) Ventilindretning
AR008845A1 (es) Un dispositivo surtidor
DE50108611D1 (de) Ventil zum steuern von flüssigkeiten
SU379800A1 (ru) Всесоюзная
KR960008005A (ko) 배기 머플러의 배압저감장치
ES269451U (es) Valvula hidraulica de funcionamiento automatico.