CA2442553C - Pump with axial conduit - Google Patents

Pump with axial conduit Download PDF

Info

Publication number
CA2442553C
CA2442553C CA2442553A CA2442553A CA2442553C CA 2442553 C CA2442553 C CA 2442553C CA 2442553 A CA2442553 A CA 2442553A CA 2442553 A CA2442553 A CA 2442553A CA 2442553 C CA2442553 C CA 2442553C
Authority
CA
Canada
Prior art keywords
pump
fluid conduit
outer housing
vane
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.)
Expired - Lifetime
Application number
CA2442553A
Other languages
English (en)
French (fr)
Other versions
CA2442553A1 (en
Inventor
Robert B. Chaffee
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 PCT/US2001/015834 external-priority patent/WO2001087121A2/en
Application filed by Individual filed Critical Individual
Publication of CA2442553A1 publication Critical patent/CA2442553A1/en
Application granted granted Critical
Publication of CA2442553C publication Critical patent/CA2442553C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/081—Fluid mattresses or cushions of pneumatic type
    • A47C27/082—Fluid mattresses or cushions of pneumatic type with non-manual inflation, e.g. with electric pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F04D17/165—Axial entry and discharge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F04D29/444—Bladed diffusers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CA2442553A 2001-03-30 2002-04-01 Pump with axial conduit Expired - Lifetime CA2442553C (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US28025701P 2001-03-30 2001-03-30
US28004001P 2001-03-30 2001-03-30
US60/280,257 2001-03-30
US60/280,040 2001-03-30
PCT/US2001/015834 WO2001087121A2 (en) 2000-05-17 2001-05-17 Inflatable device with recessed fluid controller and modified adjustment device
US09/859,706 US7039972B2 (en) 2000-05-17 2001-05-17 Inflatable device with recessed fluid controller and modified adjustment device
US09/859,706 2001-05-17
USPCT/US01/15834 2001-05-17
PCT/US2002/010073 WO2002082955A1 (en) 2001-03-30 2002-04-01 Pump with axial conduit

Publications (2)

Publication Number Publication Date
CA2442553A1 CA2442553A1 (en) 2002-10-24
CA2442553C true CA2442553C (en) 2011-09-20

Family

ID=27485944

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2442553A Expired - Lifetime CA2442553C (en) 2001-03-30 2002-04-01 Pump with axial conduit

Country Status (3)

Country Link
EP (1) EP1372435B1 (de)
CA (1) CA2442553C (de)
WO (1) WO2002082955A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6990700B2 (en) * 2001-06-22 2006-01-31 Team Worldwide Corporation Inflatable product provided with electric air pump
DE20211675U1 (de) * 2002-07-29 2002-09-19 Yen Stanley Luftpumpe
GB2399395A (en) * 2003-03-13 2004-09-15 Po Hung Lin Fluid pump with helical impeller
US20080201857A1 (en) 2007-02-23 2008-08-28 The Coleman Company, Inc. Built-in pump for an airbed with a single valve
EP3673941A1 (de) * 2011-08-05 2020-07-01 ResMed Motor Technologies Inc Gebläse
GB2573813A (en) 2018-05-18 2019-11-20 Dyson Technology Ltd A Compressor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4829616A (en) * 1985-10-25 1989-05-16 Walker Robert A Air control system for air bed
US6206654B1 (en) * 1999-04-15 2001-03-27 Dlm Plastics Corporation Air mattress inflation apparatus

Also Published As

Publication number Publication date
WO2002082955A1 (en) 2002-10-24
CA2442553A1 (en) 2002-10-24
EP1372435A1 (de) 2004-01-02
EP1372435B1 (de) 2010-12-08

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Effective date: 20220401