GB2247920B - A pump controller - Google Patents

A pump controller

Info

Publication number
GB2247920B
GB2247920B GB9018786A GB9018786A GB2247920B GB 2247920 B GB2247920 B GB 2247920B GB 9018786 A GB9018786 A GB 9018786A GB 9018786 A GB9018786 A GB 9018786A GB 2247920 B GB2247920 B GB 2247920B
Authority
GB
United Kingdom
Prior art keywords
pump controller
pump
controller
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 - Fee Related
Application number
GB9018786A
Other versions
GB9018786D0 (en
GB2247920A (en
Inventor
Sammy James Engineer
Stephen Charles Lord
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.)
Whitbread PLC
Whitbread and Co Ltd
Original Assignee
Whitbread PLC
Whitbread and Co 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 Whitbread PLC, Whitbread and Co Ltd filed Critical Whitbread PLC
Priority to GB9018786A priority Critical patent/GB2247920B/en
Publication of GB9018786D0 publication Critical patent/GB9018786D0/en
Publication of GB2247920A publication Critical patent/GB2247920A/en
Application granted granted Critical
Publication of GB2247920B publication Critical patent/GB2247920B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0676—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on flow sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Measuring Volume Flow (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
GB9018786A 1990-08-28 1990-08-28 A pump controller Expired - Fee Related GB2247920B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9018786A GB2247920B (en) 1990-08-28 1990-08-28 A pump controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9018786A GB2247920B (en) 1990-08-28 1990-08-28 A pump controller

Publications (3)

Publication Number Publication Date
GB9018786D0 GB9018786D0 (en) 1990-10-10
GB2247920A GB2247920A (en) 1992-03-18
GB2247920B true GB2247920B (en) 1994-07-27

Family

ID=10681295

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9018786A Expired - Fee Related GB2247920B (en) 1990-08-28 1990-08-28 A pump controller

Country Status (1)

Country Link
GB (1) GB2247920B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2272023B (en) * 1992-10-31 1996-05-01 Caradon Mira Ltd Improvements in or relating to ablutionary installations
GB2304383A (en) * 1995-08-15 1997-03-19 Vax Ltd Appliances for cleaning floors or other surfaces by the application of liquid
DE19914581A1 (en) † 1999-03-31 2000-10-12 Grundfos A S Bjerringbro Centrifugal pump unit
ITMI20030551A1 (en) 2003-03-21 2004-09-22 Fugas S P A FLOW DETECTOR WITH MAGNETIC SENSOR.

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1360225A (en) * 1972-10-19 1974-07-17 Distillers Co Carbon Dioxide Carbonated liquid moving apparatus
GB1496601A (en) * 1976-08-02 1977-12-30 Distillers Co Yeast Ltd Carbonated beverage dispensing apparatus
GB1545447A (en) * 1977-11-05 1979-05-10 Pektron Ltd Arrangement for dispensing liquids
GB1604247A (en) * 1978-05-26 1981-12-02 Morgan G Switch assembly responsive to fluid flow
GB2094269A (en) * 1981-03-06 1982-09-15 Distillers Co Carbon Dioxide Apparatus for dispensing beer or other liquid from a container
US4595342A (en) * 1982-05-29 1986-06-17 Jan Christlieb Device for the control of a fluid pressure of a turbomachine engine and support for a pressure pick-off
GB2173344A (en) * 1985-03-13 1986-10-08 Powered Shower Systems Limited Fluid supply device including fluid pressure operated switch
GB2193704A (en) * 1986-07-02 1988-02-17 Pektron Ltd Control system for beer dispensing
GB2198883A (en) * 1986-10-18 1988-06-22 Power Pumps Limited Flow-sensitive switch

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1360225A (en) * 1972-10-19 1974-07-17 Distillers Co Carbon Dioxide Carbonated liquid moving apparatus
GB1496601A (en) * 1976-08-02 1977-12-30 Distillers Co Yeast Ltd Carbonated beverage dispensing apparatus
GB1545447A (en) * 1977-11-05 1979-05-10 Pektron Ltd Arrangement for dispensing liquids
GB1604247A (en) * 1978-05-26 1981-12-02 Morgan G Switch assembly responsive to fluid flow
GB2094269A (en) * 1981-03-06 1982-09-15 Distillers Co Carbon Dioxide Apparatus for dispensing beer or other liquid from a container
US4595342A (en) * 1982-05-29 1986-06-17 Jan Christlieb Device for the control of a fluid pressure of a turbomachine engine and support for a pressure pick-off
GB2173344A (en) * 1985-03-13 1986-10-08 Powered Shower Systems Limited Fluid supply device including fluid pressure operated switch
GB2193704A (en) * 1986-07-02 1988-02-17 Pektron Ltd Control system for beer dispensing
GB2198883A (en) * 1986-10-18 1988-06-22 Power Pumps Limited Flow-sensitive switch

Also Published As

Publication number Publication date
GB9018786D0 (en) 1990-10-10
GB2247920A (en) 1992-03-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee