A valve assembly (7) for a fuel pump (1) and having: a one-way outlet closing valve (8), which only allows fuel to flow out; a one-way pressure relief valve (9), which only allows fuel to flow in; a connector (11), which has a housing (13) on the inside; a...

A valve assembly (7) for a fuel pump (1) and having: a one-way outlet closing valve (8), which only allows fuel to flow out; a one-way pressure relief valve (9), which only allows fuel to flow in; a connector (11), which has a housing (13) on the inside; a...

It is an object of the present invention to eliminate a valve holder and accommodate a valve guide in a small space provided between a valve seat and a peripheral surface part of a pressure chamber to thereby bring a pump into less size. In order to achiev...

The invention discloses a high pressure fuel supply pump for an internal combustion engine, comprising: a cylinder (12), a plunger (2) which reciprocates within said cylinder to change the volume within the cylinder (12), a valve body (5) provided, in orde...

The invention relates to a high pressure fuel supply pump having an intake valve (5) automatically opened and closed by pressure of a pressuring chamber (12) being provided in a fuel intake passage (10), the intake valve (5) is pushed to open by a plunger ...

The invention relates to a high pressure fuel supply pump having an intake valve (5) automatically opened and closed by pressure of a pressuring chamber (12) being provided in a fuel intake passage (10), the intake valve (5) is pushed to open by a plunger ...

An intake valve automatically opened and closed by pressure of a pressuring chamber is provided in a fuel intake passage, the intake valve is pushed to open by a plunger of an electromagnetic plunger mechanism, pulling-in operating timing of the plunger is...