(19)
(11) EP 1 475 538 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.01.2005 Bulletin 2005/02

(43) Date of publication A2:
10.11.2004 Bulletin 2004/46

(21) Application number: 04010825.0

(22) Date of filing: 06.05.2004
(51) International Patent Classification (IPC)7: F04C 15/00, F04C 2/16
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK

(30) Priority: 08.05.2003 GB 0310516

(71) Applicant: Automotive Motion Technology Limited
Andover, Hampshire SP10 3TS (GB)

(72) Inventors:
  • Beaven, Robert William
    Thornbury Bristol, BS35 1SW (GB)
  • Werson, Michael John
    Eastleigh SO53 1LU (GB)

(74) Representative: Lucking, David John 
FORRESTER & BOEHMERT Pettenkoferstrasse 20-22
80336 München
80336 München (DE)

   


(54) Pump


(57) A pump (10) including a pumping element (20), which is mounted for relative rotation in a housing (14), rotation of the pumping element (20) causing fluid to be pumped from an outlet (40) provided in the housing (14), the pumping element (20) including an axially extending bearing part (34a), and there being a sealing part (30) provided at the outlet (40), the sealing part (30) including an opening which is generally axially aligned with the axis of rotation (A) of the pumping element (20) and which provides a main flow path for fluid flow through the outlet (40), and the sealing part (30) including an axially extending bearing part (30b), which lies adjacent to the bearing part (34a) of the pumping element (20), axially extending surfaces of the two bearing parts (30b, 34a) providing a seal between the outlet (40) and the pumping element (20).






Search report