(19)
(11) EP 0 750 109 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.10.1997 Bulletin 1997/41

(43) Date of publication A2:
27.12.1996 Bulletin 1996/52

(21) Application number: 96304348.4

(22) Date of filing: 10.06.1996
(51) International Patent Classification (IPC)6: F02M 41/14
(84) Designated Contracting States:
DE ES FR GB IT

(30) Priority: 17.06.1995 GB 9512362

(71) Applicant: LUCAS INDUSTRIES public limited company
Solihull, West Midlands B90 4LA (GB)

(72) Inventors:
  • Parr, Peter James
    Maidstone, Kent, ME15 8NN (GB)
  • Lewis, Graham Rhys
    Gillingham, Kent, ME8 8HG (GB)

(74) Representative: Thompson, George Michael et al
MARKS & CLERK, Alpha Tower, Suffolk Street Queensway
Birmingham B1 1TT
Birmingham B1 1TT (GB)

   


(54) Pumping apparatus


(57) A fuel pumping apparatus comprises a low pressure pump (47) which supplies fuel to a high pressure pump. The quantity of fuel supplied to the high pressure pump and therefore to the associated engine is determined by an adjustable orifice (48) controlled by a mechanical or electronic governor. A further adjustable orifice (49) is connected in series with the first mentioned orifice and this is adjustable to vary the response of the governor.






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