Patent ID: 6899086

Claim:
A fuel pressure accumulator for an internal combustion engine comprising: a segmented housing including a front wall defining a front wall internal cavity, a rear wall defining a rear wall internal cavity, said front wall internal cavity and said rear wall internal cavity facing each other, and a fuel delivery ring positioned between said front and rear walls and forming with the front wall internal cavity and said rear wall internal cavity a chamber, a flexible diaphragm positioned between said rear wall internal cavity and said fuel delivery ring and defining a gas chamber adjacent said rear wall and a fuel accumulation chamber adjacent said front wall internal cavity and said fuel delivery ring, a filter positioned between said front wall and said fuel delivery ring, and a fuel communication port positioned in said front wall and a fuel communication port positioned in said fuel delivery ring, so that fuel enters one of the fuel communication ports, passes through the filter and out of the other fuel communication port, and the flexible diaphragm flexes in response to the change in pressure of the fuel in said fuel accumulation chamber.