A pumping unit for feeding fuel, preferably diesel fuel, to an internal combustion engine (3) is provided with a hydraulic circuit (14) having a first branch (15) for connecting together a storage tank (2) and a pre-feed pump (7), a second branch (16) for ...

The system (14) has a main filter (50) that is adapted to be arranged upstream of a high pressure injection pump (28), and a base plate (22) that is arranged upstream of the main filter. The main filter is provided downstream of a reservoir (26) that compr...

A high-pressure fuel pump device of the invention includes a plunger-type high-pressure pump unit (31) configured to pressurize fuel as a plunger (43) thereof makes reciprocating motion, a diaphragm-type supply pump unit (33) configured to suck in fuel in ...

It is an object of the present invention to improve responsiveness in valve opening and valve closing of an electromagnetically-driven intake valve unit (200) in which a valve (203) is provided on a pressurizing chamber side of a valve seat (214S). The val...

An automatic residual fuel vent device for a carburetor, the device including a fuel supply passage (15) connecting a fuel tank (TF) and a float chamber (10), a negative pressure passage (17) connecting an intake passage (8) and a negative pressure operati...

An automatic residual fuel vent device for a carburetor, the device including a fuel supply passage (15) connecting a fuel tank (TF) and a float chamber (10), a negative pressure passage (17) connecting an intake passage (8) and a negative pressure operati...

The system has conveyors (5, 5`) arranged at a fuel container (1) for conveying fuel, and a connecting piece (11) for guiding of the fuel to an outlet. The piece has a mixing valve that closes an inlet with small force when there is a pressure difference b...

Valve arrangement for pressure regulation of fuel supply in an internal combustion engine with at least one pressure control device and a shut-off device actuatable by an electromagnetic drive, wherein a housing (19) is provided with at least one inlet con...

The system has a pump with connected feed pipe containing a fuel filter. The feed pipe (4) has a by-pass pipe (9) leading past the filter (7). It also has components to open and close the by-pass after a set use period or condition of the filter. The compo...