GB1078576A - Improvements in and relating to centrifugal pumps - Google Patents

Improvements in and relating to centrifugal pumps

Info

Publication number
GB1078576A
GB1078576A GB3699064A GB3699064A GB1078576A GB 1078576 A GB1078576 A GB 1078576A GB 3699064 A GB3699064 A GB 3699064A GB 3699064 A GB3699064 A GB 3699064A GB 1078576 A GB1078576 A GB 1078576A
Authority
GB
United Kingdom
Prior art keywords
flow
valve
steady
response
control
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
GB3699064A
Inventor
Roger James Gates
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.)
Hamworthy Engineering Ltd
Original Assignee
Hamworthy Engineering 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 Hamworthy Engineering Ltd filed Critical Hamworthy Engineering Ltd
Priority to GB3699064A priority Critical patent/GB1078576A/en
Publication of GB1078576A publication Critical patent/GB1078576A/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
    • 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
    • F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)

Abstract

1,078,576. Fluid-pressure servomotor systems. HAMWORTHY ENGINEERING Ltd. Nov.17, 1965 [Sept.9, 1964], No.36990/64. Heading G3P. [Also in Division F1] To prevent cavitation in a centrifugal pump, the output flow is passed through a flowmeter and a regulating valve and the valve is controlled in accordance with the flow in such a manner that the valve moves towards an open position in response to increased flow and to a closed position in response to a decrease flow. When the flow is steady, the valve slowly opens so that the control is always searching for the onset of cavitation. As described, the valve is fluid operated under the control of solenoid valves which are actuated by pressure switches and relays responsive respectively to "flow falling" "flow steady" and "flow rising".
GB3699064A 1964-09-09 1964-09-09 Improvements in and relating to centrifugal pumps Expired GB1078576A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3699064A GB1078576A (en) 1964-09-09 1964-09-09 Improvements in and relating to centrifugal pumps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3699064A GB1078576A (en) 1964-09-09 1964-09-09 Improvements in and relating to centrifugal pumps

Publications (1)

Publication Number Publication Date
GB1078576A true GB1078576A (en) 1967-08-09

Family

ID=10392833

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3699064A Expired GB1078576A (en) 1964-09-09 1964-09-09 Improvements in and relating to centrifugal pumps

Country Status (1)

Country Link
GB (1) GB1078576A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3523147A1 (en) * 1984-07-02 1986-01-09 General Electric Co., Schenectady, N.Y. METHOD AND ARRANGEMENT FOR PROTECTING PUMP SYSTEMS
WO2004049086A1 (en) * 2002-11-27 2004-06-10 Endress + Hauser Gmbh + Co. Kg Pressure regulated method for preventing cavitations in a technical system
EP2148119A3 (en) * 2008-07-24 2010-03-17 Deere & Company A fluid coupler arrangement, combination of a fluid coupler arrangement with a control arrangement and combination of a variable displacement pump with a control system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3523147A1 (en) * 1984-07-02 1986-01-09 General Electric Co., Schenectady, N.Y. METHOD AND ARRANGEMENT FOR PROTECTING PUMP SYSTEMS
WO2004049086A1 (en) * 2002-11-27 2004-06-10 Endress + Hauser Gmbh + Co. Kg Pressure regulated method for preventing cavitations in a technical system
EP2148119A3 (en) * 2008-07-24 2010-03-17 Deere & Company A fluid coupler arrangement, combination of a fluid coupler arrangement with a control arrangement and combination of a variable displacement pump with a control system
US8186393B2 (en) 2008-07-24 2012-05-29 Deere & Company Fluid coupler including valve arrangement for connecting intake conduit of sprayer to transfer conduit of nurse tank during refill operation

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