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GB201208710D0 - Pump - Google Patents

Pump

Info

Publication number
GB201208710D0
GB201208710D0 GBGB1208710.2A GB201208710A GB201208710D0 GB 201208710 D0 GB201208710 D0 GB 201208710D0 GB 201208710 A GB201208710 A GB 201208710A GB 201208710 D0 GB201208710 D0 GB 201208710D0
Authority
GB
United Kingdom
Prior art keywords
piston
chamber
valve
drive member
housing
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.)
Withdrawn
Application number
GBGB1208710.2A
Other versions
GB2502129A (en
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.)
SELWOOD GROUP Ltd
Original Assignee
SELWOOD GROUP 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 SELWOOD GROUP Ltd filed Critical SELWOOD GROUP Ltd
Priority to GB1208710.2A priority Critical patent/GB2502129A/en
Publication of GB201208710D0 publication Critical patent/GB201208710D0/en
Priority to PCT/GB2013/051004 priority patent/WO2013171453A1/en
Publication of GB2502129A publication Critical patent/GB2502129A/en
Withdrawn legal-status Critical Current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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics
    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/028—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms with in- or outlet valve arranged in the plate-like flexible member
    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • F04B43/0036—Special features the flexible member being formed as an O-ring
    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • F04B43/0054—Special features particularities of the flexible members
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/12—Valves; Arrangement of valves arranged in or on pistons
    • F04B53/123—Flexible valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)

Abstract

A pump 110 including a housing with an inlet valve 122 and an outlet valve 124, a piston 120 and a drive member 135, which extends through an opening 133 in the housing and causes axial movement of the piston. A piston seal 130 such as a diaphragm extends between the piston and the housing form a first chamber 116 on one side of the piston and a second chamber 118 which includes the drive member opening 133 on the other side of the piston. In one arrangement a piston valve 140 allows flow of fluid from the first chamber to the second chamber. The piston valve may be offset from the centre of the piston member. Preferably the piston is connected to the drive member by first and second connection members 142, 146 and a securing means 148.
GB1208710.2A 2012-05-17 2012-05-17 Pump Withdrawn GB2502129A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1208710.2A GB2502129A (en) 2012-05-17 2012-05-17 Pump
PCT/GB2013/051004 WO2013171453A1 (en) 2012-05-17 2013-04-22 Diaphragm pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1208710.2A GB2502129A (en) 2012-05-17 2012-05-17 Pump

Publications (2)

Publication Number Publication Date
GB201208710D0 true GB201208710D0 (en) 2012-07-04
GB2502129A GB2502129A (en) 2013-11-20

Family

ID=46546246

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1208710.2A Withdrawn GB2502129A (en) 2012-05-17 2012-05-17 Pump

Country Status (2)

Country Link
GB (1) GB2502129A (en)
WO (1) WO2013171453A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103742395B (en) * 2013-12-31 2018-04-24 江苏大学 A kind of design method of primary air extractor
CN103775317A (en) * 2013-12-31 2014-05-07 江苏大学 Method for designing secondary air extraction device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2367184A (en) * 1941-08-28 1945-01-16 Robert J Byroad Pump
FR2473646A1 (en) * 1980-01-11 1981-07-17 Eta Sa VOLUMETRIC PUMP
JPS6066883U (en) * 1983-10-14 1985-05-11 三菱電機株式会社 Diaphragm type pump device
GB2388163A (en) * 2001-05-09 2003-11-05 David R Marshall Cooling a flexible pump seal

Also Published As

Publication number Publication date
WO2013171453A1 (en) 2013-11-21
GB2502129A (en) 2013-11-20

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)