Patent ID: 6644278
Filing Date: 2003-11-11
Classification: F02M

Abstract:
High-pressure fuel supply system for the injection of fuel into the combustion chambers of combustion engines of the type having a high pressure collecting the (5) which is supplied with pressure across a high pressure pump (3) and across which a plurality (nâˆ’1) of injectors (6, 21) are supplied with fuel under high pressure, and having a freely moveable nozzle (23) admitted into each individual injector (6, 21) which closes an injector nozzle (23), the improvement comprising a first flowthrough valve (7), a further flowthrough valve (26) and a run-off conduit (25, 31), said high pressure conduit (12) being connected with said run-off conduit (25, 31), said run-off conduit (25, 31) being disposed across said further flowthrough valve (26), said further flowthrough valve (26) being arranged in close proximity to said injection nozzle, and further comprising an input throttle element (19) disposed at the entry side of each (nâˆ’1) injectors (6, 21).