Fuel supply structure in engine

Details Fuel supply structure in engine Fuel supply structure in engine

F - Mech Eng,Light,Heat,Weapons

02

B

F02B 67/00 (2006.01) F02B 61/04 (2006.01) F02B 75/20 (2006.01) F02M 35/10 (2006.01) F02M 37/00 (2006.01) F02M 37/20 (2006.01) F02M 69/00 (2006.01) F02M 69/46 (2006.01) F02B 75/02 (2006.01) F02B 75/18 (2006.01)

Patent

CA 2273243

An intake manifold (85) having integrally a surge tank (82), a plurality of intake pipes (83a to 83d) and a mount flange (84) is provided at the mount flange (84) with a plurality of fuel injection valves (94). A subtank (89) provided therein with a high pressure fuel tank (91) and provided outside thereof with a high pressure filter (93) for temporarily storing a fuel to be supplied to the fuel injection valves (94) is secured to intake pipes (83c, 83d) by means of two bolts (106) and secured to a cylinder block (6) by means of two bolts (107). The high pressure tank (91), high pressure filter (93) and the subtank (89) are beforehand assembled to the intake manifold (85) to make a subassembly, and the subassembly is collectively assembled to an engine to thereby reduce assembling manhours.

L'invention concerne un collecteur d'admission (85) présentant un réservoir d'égalisation de pression (82), une pluralité de tuyaux d'admission (83a à 83d) et un flasque de montage (84). Ce collecteur est doté, au niveau du flasque (84), d'une pluralité de soupapes d'injection de carburant (94). Un réservoir inférieur (89) présentant à l'intérieur un réservoir haute pression (91) et à l'extérieur un filtre haute pression (93), destinés au stockage temporaire du carburant à fournir aux soupapes d'injection (94), est fixé sur les tuyaux d'admission (83c, 83d) au moyen de deux boulons (106) et sur un bloc-cylindres (6) au moyen de deux boulons (107). Le réservoir haute pression (91), le filtre haute pression (93) et le réservoir inférieur (89) sont assemblés préalablement au collecteur d'admission (85), afin de constituer un sous-ensemble, lequel est ensuite assemblé à un moteur, ceci afin de réduire les temps de montage.

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