(19)
(11) EP 0 280 923 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
22.02.1989 Bulletin 1989/08

(43) Date of publication A2:
07.09.1988 Bulletin 1988/36

(21) Application number: 88101766.9

(22) Date of filing: 05.02.1988
(51) International Patent Classification (IPC)4: F02M 55/04
(84) Designated Contracting States:
DE FR GB

(30) Priority: 06.03.1987 US 22742

(71) Applicant: WALBRO CORPORATION (Corporation of Delaware)
Cass City Michigan 48726 (US)

(72) Inventor:
  • Tuckey, Charles Henry
    Cass City, MI 48726 (US)

(74) Representative: Wehnert, Werner, Dipl.-Ing. Patentanwälte Hauck, Graalfs, Wehnert, Döring, Siemons et al
Mozartstrasse 23
80336 München
80336 München (DE)


(56) References cited: : 
   
       


    (54) Engine manifold pulse dampener


    (57) A fuel system utilizing a fuel source, a fuel pump delivering from said source to an internal combustion engine fuel rail in which fuel injectors deliver fuel to an engine manifold. A pulse dampener to smooth out the pulses in the manifold resulting from the fuel pump and the fuel injectors is interposed in the fuel system presenting a flexible diaphragm backed by a pressure chamber to the fuel supply to reduce noise in the fuel rail and smooth the flow of fuel to the engine.







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