| 摘要 |
An integrated pump and tappet unit for a fuel feeding system of an internal combustion engine, especially a large diesel engine. The unit comprises a body part (1) enclosing a tappet member (2), whose axial movement is governed by movement of a cam shaft, and a piston member (8) operationally connected to the tappet member and which is arranged to pump fuel under high pressure from the fuel chamber (11) in the body part (1) either directly or through a pressure accumulator means into one or more cylinders of the engine. The body part (1) is a single member housing both the tappet member (2) and the fuel chamber (11). The tappet member (2) and the piston member (8) are connected to each other by means of a tappet arm (7), which is sealed to a flange member (17) fixed to the body part (1), so that fuel from the fuel chamber (11) is prevented from coming into contact with the tappet member (2). <IMAGE> |
