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GB2273133B - Displacement pump - Google Patents

Displacement pump

Info

Publication number
GB2273133B
GB2273133B GB9304961A GB9304961A GB2273133B GB 2273133 B GB2273133 B GB 2273133B GB 9304961 A GB9304961 A GB 9304961A GB 9304961 A GB9304961 A GB 9304961A GB 2273133 B GB2273133 B GB 2273133B
Authority
GB
United Kingdom
Prior art keywords
displacement pump
displacement
pump
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
GB9304961A
Other versions
GB2273133A (en
GB9304961D0 (en
Inventor
William Alexander Courtney
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB929225404A external-priority patent/GB9225404D0/en
Application filed by Individual filed Critical Individual
Priority to GB9304961A priority Critical patent/GB2273133B/en
Publication of GB9304961D0 publication Critical patent/GB9304961D0/en
Publication of GB2273133A publication Critical patent/GB2273133A/en
Application granted granted Critical
Publication of GB2273133B publication Critical patent/GB2273133B/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
    • 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
    • F04B43/04—Pumps having electric drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/196—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body replacing the entire heart, e.g. total artificial hearts [TAH]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20—Type thereof
    • A61M60/247—Positive displacement blood pumps
    • A61M60/253—Positive displacement blood pumps including a displacement member directly acting on the blood
    • A61M60/258—Piston pumps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20—Type thereof
    • A61M60/247—Positive displacement blood pumps
    • A61M60/253—Positive displacement blood pumps including a displacement member directly acting on the blood
    • A61M60/268—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40—Details relating to driving
    • A61M60/424—Details relating to driving for positive displacement blood pumps
    • A61M60/457—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being magnetic
    • A61M60/462—Electromagnetic force
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80—Constructional details other than related to driving
    • A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
    • A61M60/884—Constructional details other than related to driving of implantable pumps or pumping devices being associated to additional implantable blood treating devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80—Constructional details other than related to driving
    • A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
    • A61M60/89—Valves
    • A61M60/894—Passive valves, i.e. valves actuated by the blood
    • 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
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/14—Machines, pumps, or pumping installations having flexible working members having peristaltic action having plate-like 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
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
    • F04B45/047—Pumps having electric drive
    • 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
    • F04B49/16—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 by adjusting the capacity of dead spaces of working chambers

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Reciprocating Pumps (AREA)
GB9304961A 1992-12-04 1993-03-11 Displacement pump Expired - Fee Related GB2273133B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9304961A GB2273133B (en) 1992-12-04 1993-03-11 Displacement pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929225404A GB9225404D0 (en) 1992-04-22 1992-12-04 Electromagnetic diaphragm pump
GB9304961A GB2273133B (en) 1992-12-04 1993-03-11 Displacement pump

Publications (3)

Publication Number Publication Date
GB9304961D0 GB9304961D0 (en) 1993-04-28
GB2273133A GB2273133A (en) 1994-06-08
GB2273133B true GB2273133B (en) 1995-10-18

Family

ID=26302099

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9304961A Expired - Fee Related GB2273133B (en) 1992-12-04 1993-03-11 Displacement pump

Country Status (1)

Country Link
GB (1) GB2273133B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9227000B2 (en) 2006-09-28 2016-01-05 Smith & Nephew, Inc. Portable wound therapy system
CN105715521A (en) * 2016-01-27 2016-06-29 蚌埠移山压缩机制造有限公司 Oil field gas compressor
CN105736333A (en) * 2016-01-27 2016-07-06 蚌埠移山压缩机制造有限公司 Low-noise air compressor
CN105736335A (en) * 2016-01-27 2016-07-06 蚌埠移山压缩机制造有限公司 Air compressor
CN105736334A (en) * 2016-01-27 2016-07-06 蚌埠移山压缩机制造有限公司 Natural gas compressor
CN105736311A (en) * 2016-01-27 2016-07-06 蚌埠移山压缩机制造有限公司 High-efficiency air compressor
CN105909489A (en) * 2016-05-13 2016-08-31 蚌埠市金鹏燃气设备制造有限公司 Two-stage compressor
US9452248B2 (en) 2003-10-28 2016-09-27 Smith & Nephew Plc Wound cleansing apparatus in-situ
CN110878747A (en) * 2019-12-10 2020-03-13 太湖县裕顺防水工程有限公司 Air compressor
US10677239B2 (en) 2017-09-21 2020-06-09 Dayco Ip Holdings, Llc Solenoid activated vacuum pump for an engine system and system having same

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2306580B (en) * 1995-10-27 1998-12-02 William Alexander Courtney Improved dual chamber displacement pumps
US6730123B1 (en) * 2000-06-22 2004-05-04 Proteus Vision, Llc Adjustable intraocular lens
GB0224986D0 (en) 2002-10-28 2002-12-04 Smith & Nephew Apparatus
FR2891322B1 (en) * 2005-09-26 2016-12-30 Inergy Automotive Systems Res FLUID PUMP COMPRISING A STATOR AND A VIBRATION MEMBRANE
US7679229B2 (en) * 2007-10-12 2010-03-16 Bose Corporation Relieving stress in a flexure
MX2010005552A (en) 2007-11-21 2010-06-02 Smith & Nephew Wound dressing.
GB0723855D0 (en) 2007-12-06 2008-01-16 Smith & Nephew Apparatus and method for wound volume measurement
GB201015656D0 (en) 2010-09-20 2010-10-27 Smith & Nephew Pressure control apparatus
US9067003B2 (en) 2011-05-26 2015-06-30 Kalypto Medical, Inc. Method for providing negative pressure to a negative pressure wound therapy bandage
US9084845B2 (en) 2011-11-02 2015-07-21 Smith & Nephew Plc Reduced pressure therapy apparatuses and methods of using same
CA2867969C (en) 2012-03-20 2020-03-24 Smith & Nephew Plc Controlling operation of a reduced pressure therapy system based on dynamic duty cycle threshold determination
US9427505B2 (en) 2012-05-15 2016-08-30 Smith & Nephew Plc Negative pressure wound therapy apparatus
CA2971790A1 (en) 2014-12-22 2016-06-30 Smith & Nephew Plc Negative pressure wound therapy apparatus and methods

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1444614A (en) * 1972-09-07 1976-08-04 Kurpanek W H Permanently implantable artificial heart
EP0499367A2 (en) * 1991-02-12 1992-08-19 Nitto Kohki Co., Ltd. Electromagnetic reciprocating pump
GB2263140A (en) * 1992-01-10 1993-07-14 Nitto Kohki Co Electromagnetic pump.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1444614A (en) * 1972-09-07 1976-08-04 Kurpanek W H Permanently implantable artificial heart
EP0499367A2 (en) * 1991-02-12 1992-08-19 Nitto Kohki Co., Ltd. Electromagnetic reciprocating pump
GB2263140A (en) * 1992-01-10 1993-07-14 Nitto Kohki Co Electromagnetic pump.

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9452248B2 (en) 2003-10-28 2016-09-27 Smith & Nephew Plc Wound cleansing apparatus in-situ
US9227000B2 (en) 2006-09-28 2016-01-05 Smith & Nephew, Inc. Portable wound therapy system
CN105715521A (en) * 2016-01-27 2016-06-29 蚌埠移山压缩机制造有限公司 Oil field gas compressor
CN105736333A (en) * 2016-01-27 2016-07-06 蚌埠移山压缩机制造有限公司 Low-noise air compressor
CN105736335A (en) * 2016-01-27 2016-07-06 蚌埠移山压缩机制造有限公司 Air compressor
CN105736334A (en) * 2016-01-27 2016-07-06 蚌埠移山压缩机制造有限公司 Natural gas compressor
CN105736311A (en) * 2016-01-27 2016-07-06 蚌埠移山压缩机制造有限公司 High-efficiency air compressor
CN105736311B (en) * 2016-01-27 2018-11-20 蚌埠移山压缩机制造有限公司 A kind of high efficiency air compressor
CN105909489A (en) * 2016-05-13 2016-08-31 蚌埠市金鹏燃气设备制造有限公司 Two-stage compressor
CN105909489B (en) * 2016-05-13 2019-04-23 蚌埠市金鹏燃气设备制造有限公司 A kind of two-stage compressor
US10677239B2 (en) 2017-09-21 2020-06-09 Dayco Ip Holdings, Llc Solenoid activated vacuum pump for an engine system and system having same
CN110878747A (en) * 2019-12-10 2020-03-13 太湖县裕顺防水工程有限公司 Air compressor

Also Published As

Publication number Publication date
GB2273133A (en) 1994-06-08
GB9304961D0 (en) 1993-04-28

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Legal Events

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

Effective date: 20070311