A fuel pump (1) for a direct injection system and having: a main body (2); a pumping chamber (4); a piston (5), which is mounted in a sliding manner on the inside of the pumping chamber (4); an intake duct (7), which ends in the pumping chamber (4); an int...

To reduce collision noise created by the operation of an electromagnetic suction valve (39) provided on a high pressure fuel supply pump. In the present invention, in order to achieve the above object, the mass of a member which collides by magnetic attrac...

A diesel fuel pump includes a cylinder provided to a housing, and a plunger configured to form a cylinder chamber in conjunction with the cylinder by being reciprocably provided to the cylinder. The plunger compresses fuel inside the cylinder chamber when ...

To reduce collision noise created by the operation of an electromagnetic suction valve provided on a high pressure fuel supply pump. In the present invention, in order to achieve the above object, the mass of a member which collides by magnetic attractive ...

In a conventional high-pressure fuel pump, the interference fit part between a plunger and a retainer comes loose with time due to environmental factors and this reduces the clearance between the retainer and a tappet more than necessity, resulting in incr...