EP1475538A3 - Pompe - Google Patents

Pompe Download PDF

Info

Publication number
EP1475538A3
EP1475538A3 EP04010825A EP04010825A EP1475538A3 EP 1475538 A3 EP1475538 A3 EP 1475538A3 EP 04010825 A EP04010825 A EP 04010825A EP 04010825 A EP04010825 A EP 04010825A EP 1475538 A3 EP1475538 A3 EP 1475538A3
Authority
EP
European Patent Office
Prior art keywords
pumping element
outlet
axially extending
rotation
sealing part
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Withdrawn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
EP04010825A
Other languages
German (de)
English (en)
Other versions
EP1475538A2 (fr
Inventor
Robert William Beaven
Michael John Werson
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.)
Automotive Motion Technology Ltd
Original Assignee
Automotive Motion Technology 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 Automotive Motion Technology Ltd filed Critical Automotive Motion Technology Ltd
Publication of EP1475538A2 publication Critical patent/EP1475538A2/fr
Publication of EP1475538A3 publication Critical patent/EP1475538A3/fr
Withdrawn legal-status Critical Current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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • F04C2/165—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type having more than two rotary pistons with parallel axes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0023—Axial sealings for working fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP04010825A 2003-05-08 2004-05-06 Pompe Withdrawn EP1475538A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0310516 2003-05-08
GB0310516A GB2401398A (en) 2003-05-08 2003-05-08 Pump with output through central bore in journal bearing

Publications (2)

Publication Number Publication Date
EP1475538A2 EP1475538A2 (fr) 2004-11-10
EP1475538A3 true EP1475538A3 (fr) 2005-01-12

Family

ID=9957625

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04010825A Withdrawn EP1475538A3 (fr) 2003-05-08 2004-05-06 Pompe

Country Status (2)

Country Link
EP (1) EP1475538A3 (fr)
GB (1) GB2401398A (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178143A (en) * 1978-03-30 1979-12-11 The United States Of America As Represented By The Secretary Of The Navy Relative orbiting motion by synchronoously rotating scroll impellers
EP0323834A2 (fr) * 1988-01-08 1989-07-12 Leistritz Aktiengesellschaft Pompe sans étanchéite
US4990072A (en) * 1988-07-20 1991-02-05 Aginfor Ag Fur Industrielle Forschung Rotating helical charger with axially movable displacement disk
DE4017165A1 (de) * 1990-05-09 1991-11-14 Allweiler Ag Pumpe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178143A (en) * 1978-03-30 1979-12-11 The United States Of America As Represented By The Secretary Of The Navy Relative orbiting motion by synchronoously rotating scroll impellers
EP0323834A2 (fr) * 1988-01-08 1989-07-12 Leistritz Aktiengesellschaft Pompe sans étanchéite
US4990072A (en) * 1988-07-20 1991-02-05 Aginfor Ag Fur Industrielle Forschung Rotating helical charger with axially movable displacement disk
DE4017165A1 (de) * 1990-05-09 1991-11-14 Allweiler Ag Pumpe

Also Published As

Publication number Publication date
GB2401398A (en) 2004-11-10
EP1475538A2 (fr) 2004-11-10
GB0310516D0 (en) 2003-06-11

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