GB1467001A - Centrifugal pumps - Google Patents

Centrifugal pumps

Info

Publication number
GB1467001A
GB1467001A GB1092373A GB1092373A GB1467001A GB 1467001 A GB1467001 A GB 1467001A GB 1092373 A GB1092373 A GB 1092373A GB 1092373 A GB1092373 A GB 1092373A GB 1467001 A GB1467001 A GB 1467001A
Authority
GB
United Kingdom
Prior art keywords
valve
chamber
liquid
pump
port
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
Application number
GB1092373A
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.)
Sykes Pumps Ltd
Original Assignee
Sykes Pumps Ltd
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 Sykes Pumps Ltd filed Critical Sykes Pumps Ltd
Priority to GB1092373A priority Critical patent/GB1467001A/en
Priority to DE2410042A priority patent/DE2410042C2/en
Priority to CA193,968A priority patent/CA990581A/en
Priority to AT173974A priority patent/AT333127B/en
Priority to AU66277/74A priority patent/AU473511B2/en
Priority to NL7403027A priority patent/NL7403027A/xx
Priority to US448752A priority patent/US3904319A/en
Priority to FR7407682A priority patent/FR2220694B1/fr
Priority to ZA00741453A priority patent/ZA741453B/en
Priority to JP2532774A priority patent/JPS5317161B2/ja
Priority to BE7000498A priority patent/BE811958A/en
Priority to IT7449155A priority patent/IT1015838B/en
Publication of GB1467001A publication Critical patent/GB1467001A/en
Expired legal-status Critical Current

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
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/001—Preventing vapour lock
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/004—Priming of not self-priming pumps
    • F04D9/005—Priming of not self-priming pumps by adducting or recycling liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/02—Self-priming pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
    • F04D9/041—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock the priming pump having evacuating action

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

1467001 Centrifugal pumps SYKES PUMPS Ltd 28 Feb 1974 [6 March 1973] 10923/73 Heading F1C [Also in Division F2] A priming arrangement of a centrifugal pump having an inlet 16 and an outlet 23, comprises a primary chamber 10 communicating with the pump impeller chamber via entries (not shown) and having a port 17 communicating with a vacuum source, e.g. a vacuum pump, via a secondary chamber 19 which communicates with the vacuum source via ports 33, 34 and collects any liquid entrained with the air withdrawn from the primary chamber. A float actuated valve arrangement 25 comprises a valve 37, an atmospheric valve 38 and a disc 39 which is slidable along a shaft 36. Surges in the liquid in the chamber 10 operate the valve arrangement to temporarily close the port 17. Rising liquid in the chamber 10 opens valve 38 whereby the inflow of atmospheric air forces the disc 39 downwardly to close the port 17. The consequent atmospheric pressure built up in chamber 19 forces any liquid therein back in chamber 10 via valve 30 and passage 29. Alternatively, the liquid may be returned from the chamber 19 by briefly opening a manual atmospheric valve 35, a glass 31 allowing an operator to see the liquid level in the chamber 19. By fully depressing the valve 35 so that it closes associated port 34, the vacuum source becomes isolated and both chambers 10, 19 are subjected to atmospheric pressure whereby a suction entry may be unblocked by flushing back water in the system. Adjustment of the degree of compression of spring 44 causes the valve 35 to open at desired vacuum and control the pump output and match the liquid flow to the pump suction. The vacuum pump may be tested by fitting a gauge to orifice 48 and isolating the vacuum pump via the valve 35. The port 33 may be fitted with a liquid-inhibiting device such as a float or ball valve 49.
GB1092373A 1973-03-06 1973-03-06 Centrifugal pumps Expired GB1467001A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
GB1092373A GB1467001A (en) 1973-03-06 1973-03-06 Centrifugal pumps
DE2410042A DE2410042C2 (en) 1973-03-06 1974-03-02 centrifugal pump
CA193,968A CA990581A (en) 1973-03-06 1974-03-04 Centrifugal pumps
AT173974A AT333127B (en) 1973-03-06 1974-03-04 CENTRIFUGAL PUMP FOR LIQUIDS
AU66277/74A AU473511B2 (en) 1973-03-06 1974-03-05 Improvements in and relating to centrifugal pumps
NL7403027A NL7403027A (en) 1973-03-06 1974-03-06
US448752A US3904319A (en) 1973-03-06 1974-03-06 Centrifugal pumps
FR7407682A FR2220694B1 (en) 1973-03-06 1974-03-06
ZA00741453A ZA741453B (en) 1973-03-06 1974-03-06 Improvements in and relating to centrifugal pumps
JP2532774A JPS5317161B2 (en) 1973-03-06 1974-03-06
BE7000498A BE811958A (en) 1973-03-06 1974-03-06 CENTRIFUGAL LIQUID PUMP OF THE TYPE EQUIPPED WITH A SUITABLE VACUUM SOURCE
IT7449155A IT1015838B (en) 1973-03-06 1974-03-07 IMPROVEMENT IN CENTER LEAK PUMPS FOR LIQUIDS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1092373A GB1467001A (en) 1973-03-06 1973-03-06 Centrifugal pumps

Publications (1)

Publication Number Publication Date
GB1467001A true GB1467001A (en) 1977-03-16

Family

ID=9976805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1092373A Expired GB1467001A (en) 1973-03-06 1973-03-06 Centrifugal pumps

Country Status (12)

Country Link
US (1) US3904319A (en)
JP (1) JPS5317161B2 (en)
AT (1) AT333127B (en)
AU (1) AU473511B2 (en)
BE (1) BE811958A (en)
CA (1) CA990581A (en)
DE (1) DE2410042C2 (en)
FR (1) FR2220694B1 (en)
GB (1) GB1467001A (en)
IT (1) IT1015838B (en)
NL (1) NL7403027A (en)
ZA (1) ZA741453B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029438A (en) * 1975-10-20 1977-06-14 Sloan Albert H Well point pumping system and pump assembly therefor
US4253802A (en) * 1978-08-01 1981-03-03 Lucas Industries Limited Liquid fuel injection pumping apparatus
US4249865A (en) * 1979-06-25 1981-02-10 Sloan Albert H Control means for preventing water overflow into vacuum type priming pump
JPS6238493U (en) * 1985-08-27 1987-03-07
JPS62184189U (en) * 1986-05-16 1987-11-21
US5660533A (en) * 1995-11-09 1997-08-26 The Gorman-Rupp Company Vacuum assisted priming and cooling system for a pump
US6409478B1 (en) * 1999-02-26 2002-06-25 Roper Holdings, Inc. Vacuum-assisted pump
JP2005048652A (en) * 2003-07-28 2005-02-24 Mitsubishi Electric Corp Exhaust check valve for automobile vacuum pump
US7334600B2 (en) * 2003-08-22 2008-02-26 The Gorman-Rupp Company Priming apparatus for a centrifugal pump
CN100443737C (en) * 2005-07-28 2008-12-17 重庆海扶(Hifu)技术有限公司 Pump capable of eliminating air resistor
EP4074976A1 (en) * 2021-04-16 2022-10-19 Sulzer Management AG A debris trap for capturing debris flowing in a stream of liquid and priming assembly for a pump

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1050893A (en) * 1900-01-01
US1445507A (en) * 1922-01-30 1923-02-13 Haentjens Otto Pump system
US1890317A (en) * 1930-05-15 1932-12-06 Chicago Pump Co Priming apparatus for pumps
US1910775A (en) * 1930-09-13 1933-05-23 Jaeger Machine Co Means for priming liquid pumps
US1971774A (en) * 1932-12-12 1934-08-28 Chicago Pump Co Priming apparatus for centrifugal pumps
US2315946A (en) * 1941-04-07 1943-04-06 Jr Augustus C Durdin Vacuum condensation pump
US2384172A (en) * 1944-06-23 1945-09-04 Wayne Pump Co Pump
US2535583A (en) * 1946-07-26 1950-12-26 Kroll Cornelius Pumping system
GB755249A (en) * 1954-02-22 1956-08-22 Sykes Ltd Henry Improvements in or relating to centrifugal pumps
GB1048272A (en) * 1963-03-15 1966-11-16 Sykes Ltd Henry Improvements in or relating to centrifugal pumps
GB1342086A (en) * 1970-04-27 1973-12-25 Sykes Ltd Henry Fluid flow control valves

Also Published As

Publication number Publication date
AU6627774A (en) 1975-09-11
FR2220694A1 (en) 1974-10-04
US3904319A (en) 1975-09-09
AU473511B2 (en) 1976-06-24
NL7403027A (en) 1974-09-10
AT333127B (en) 1976-11-10
JPS5317161B2 (en) 1978-06-06
ZA741453B (en) 1975-02-26
JPS5024802A (en) 1975-03-17
IT1015838B (en) 1977-05-20
DE2410042A1 (en) 1974-09-12
CA990581A (en) 1976-06-08
ATA173974A (en) 1976-02-15
FR2220694B1 (en) 1979-01-26
DE2410042C2 (en) 1984-05-10
BE811958A (en) 1974-07-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19940227