A fuel supply device according to the present invention comprises a first fuel pump (21) for forcing fuel from a fuel tank (11) to a fuel passage (14), a first electric motor (23) for driving the first fuel pump (21), a second fuel pump (22) for forcing fu...

An engine fuel pump control apparatus is provided. The engine fuel pump control apparatus comprises an engine (1) connected to a transmission (4), a fuel tank (9), a means for pumping fuel interposed in a fuel conduit (12) between the fuel tank (9) and the...

An inexpensive fuel supply device having a high output is achieved using low-output fuel pumps. First and second pumps (20,21), which are two inexpensive pumps having a low output, are disposed on a common mounting seat (6) an inlet (30,31) of each of the ...

The method involves providing a stator (5) and a rotor (6) in a brushless direct current motor (4) arranged in a housing (3) of a fuel pump (1). The rotor is arranged on a shaft (7), where a pump stage (8) is driven by the shaft during rotation of the roto...

The system has a fuel pump driven by an electric motor (34), an electronic circuit board (24) to regulate electric motor supply current, and an electric motor supply current measuring unit (40). The regulating unit regulates rotating speed of the motor by ...

A diesel engine comprises a high-pressure pump (5) driven by an engine (E) to supply fuel in a fuel tank (2) to a common rail (3), an electric priming pump (13) provided in a fuel passage (15) extending from the fuel tank (2) to the high-pressure pump (5),...

The IC engine (10) has a fuel system (12) provided with an electric fuel pump (16), a mechanically-driven high pressure fuel pump (20) and an auxiliary high pressure fuel pump (42) which can be driven directly by the electric starter motor (34) for the IC ...

An internal combustion engine (3) includes an injector (4) that injects fuel into a cylinder. A plunger-type fuel pump (8) pumps the fuel to the injector (4) from a fuel tank (6). A control system (50) for the fuel pump (8) includes a unit (10) for determi...

A fuel control system for controlling the supply of fuel to an engine, the control system being characterised by comprising; pump means (20, 24; 52) for providing a flow of fuel to said engine; first and second drive means (28, 30) for driving said pump me...

The second pump (6) is speed-controlled and/or -regulated (19, 20, 21) An Independent claim is included for the corresponding fuel supply system.