Patent ID: 6098519
Filing Date: 2000-08-08
Classification: F04B,Y10T

Abstract:
A fuel pump comprisinga shaft for transmitting a driving force;a swash plate rotated by said shaft;a wobble plate for converting rotational movement of said swash plate;a plurality of pistons arranged to reciprocate by wobble movement of said wobble plate; anda bulkhead for separating a crank case composed of a front body and a cylinder block for storing said swash plate, said wobble plate and said pistons into two independent rooms, wherein a part of said bulkhead is fixed at said wobble plate;a slipper defined between said wobble plate and said pistons;wherein a surface of said slipper contacting said wobble plate is substantially planar, and a surface of said slipper contacting said piston is spherical; and said slipper has a channel connected to an inlet port of said piston and a connecting port connected to said channel on the planar surface of said slipper.