Patent ID: 8550058
Filing Date: 2013-10-08
Classification: F02D,F02M,Y02T

Abstract:
1. A fuel rail assembly for supplying pressurized fuel to a plurality of cylinders of an engine, comprising: fuel rail housing defining an internal fuel rail volume having at least a first region and a second region; a fuel separation membrane element disposed within the fuel rail housing and segregating the first region from the second region, said membrane element configured to pass a first component of a fuel mixture through the membrane element from the first region to the second region at a higher rate than a second component of the fuel mixture; a fuel inlet disposed on the fuel rail housing, said fuel inlet configured to admit the fuel mixture to the first region; a plurality of fuel outlets disposed on the fuel rail housing, wherein each of said fuel outlets are configured to supply at least a portion of the fuel mixture from the first region to a respective one of said plurality of engine cylinders; and at least one membrane outlet disposed on the fuel rail housing and configured to supply at least a portion of the first component that has passed through the membrane element from the second region to a location external the fuel rail housing.