GB2170869B - Pumping systems - Google Patents

Pumping systems

Info

Publication number
GB2170869B
GB2170869B GB08503571A GB8503571A GB2170869B GB 2170869 B GB2170869 B GB 2170869B GB 08503571 A GB08503571 A GB 08503571A GB 8503571 A GB8503571 A GB 8503571A GB 2170869 B GB2170869 B GB 2170869B
Authority
GB
United Kingdom
Prior art keywords
pumping systems
pumping
systems
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
GB08503571A
Other versions
GB8503571D0 (en
GB2170869A (en
Inventor
John Harp
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.)
Thomas Willett and Co Ltd
Original Assignee
Thomas Willett 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 Thomas Willett and Co Ltd filed Critical Thomas Willett and Co Ltd
Priority to GB08503571A priority Critical patent/GB2170869B/en
Publication of GB8503571D0 publication Critical patent/GB8503571D0/en
Priority to CA000501557A priority patent/CA1265955A/en
Publication of GB2170869A publication Critical patent/GB2170869A/en
Application granted granted Critical
Publication of GB2170869B publication Critical patent/GB2170869B/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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)
GB08503571A 1985-02-12 1985-02-12 Pumping systems Expired GB2170869B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08503571A GB2170869B (en) 1985-02-12 1985-02-12 Pumping systems
CA000501557A CA1265955A (en) 1985-02-12 1986-02-11 Pumping systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08503571A GB2170869B (en) 1985-02-12 1985-02-12 Pumping systems

Publications (3)

Publication Number Publication Date
GB8503571D0 GB8503571D0 (en) 1985-03-13
GB2170869A GB2170869A (en) 1986-08-13
GB2170869B true GB2170869B (en) 1987-11-11

Family

ID=10574345

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08503571A Expired GB2170869B (en) 1985-02-12 1985-02-12 Pumping systems

Country Status (2)

Country Link
CA (1) CA1265955A (en)
GB (1) GB2170869B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1227502B (en) * 1988-12-06 1991-04-12 Alberto Giordani VOLUMETRIC PUMP FOR THE PUMPING OF FOOD LIQUIDS IN GENERAL AND, IN PARTICULAR, FOR USE IN THE OENOLOGICAL FIELD
DE3937900A1 (en) * 1989-07-13 1991-01-17 Lenhardt Maschinenbau DEVICE FOR CONVEYING LIQUID OR PASTOES SUBSTANCES
GB8928450D0 (en) * 1989-12-16 1990-02-21 Thomas Willett & Company Limit Pumping systems
EP0669462A1 (en) * 1995-01-30 1995-08-30 Aliva Aktiengesellschaft Method to adjust the pulse amplitude and concrete pump

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1016407A (en) * 1971-06-07 1977-08-30 Duane D. Krohn Pump and operating mechanism therefor
US4108574A (en) * 1977-01-21 1978-08-22 International Paper Company Apparatus and method for the indirect measurement and control of the flow rate of a liquid in a piping system
DE3035770C2 (en) * 1980-09-23 1984-08-16 Bruker Analytische Meßtechnik GmbH, 7512 Rheinstetten Multiple piston pump with constant delivery rate

Also Published As

Publication number Publication date
GB8503571D0 (en) 1985-03-13
GB2170869A (en) 1986-08-13
CA1265955A (en) 1990-02-20

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Legal Events

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

Effective date: 19980212

728V Application for restoration filed (sect. 28/1977)
728Y Application for restoration allowed (sect. 28/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20050211