(19)
(11) EP 1 435 460 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.07.2006 Bulletin 2006/29

(43) Date of publication A2:
07.07.2004 Bulletin 2004/28

(21) Application number: 03029827.7

(22) Date of filing: 24.12.2003
(51) International Patent Classification (IPC): 
F04C 2/10(2006.01)
F01M 1/02(2006.01)
 F04C 11/00(2006.01)
(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 PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 06.01.2003 GB 0300183

(71) Applicants:
  • Waterworth, Anthony
    Idle, Bradford BD 10 9LZ (GB)
  • Waterworth, Graham
    Idle, Bradford BD 10 9LZ (GB)

(72) Inventors:
  • Waterworth, Anthony
    Idle, Bradford BD 10 9LZ (GB)
  • Waterworth, Graham
    Idle, Bradford BD 10 9LZ (GB)

(74) Representative: Wood, Graham 
Bailey Walsh & Co, 5 York Place
Leeds LS1 2SD
Leeds LS1 2SD (GB)

   


(54) Feed and scavenge pump arrangement


(57) The invention relates to apparatus having a feed pump and scavenge pump arrangement and components for the same in an improved manner which allows an increase in efficiency of operation of the pumps and also, at the same time, improved ease of manufacture of the components. The feed and scavenge pump arrangements are provided in a common body which has a feed pump chamber and scavenge pump chamber connected to an oil reservoir and crankshaft and sump respectively by a series of bores which are shaped so as to allow connection with the same and also shaped to avoid conflict with fixing locations on the body of the apparatus.







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