An electric GDI pump is configured to allow fuel being pumped to cool the electric motor and associated motor control/drive circuit, and cool and lubricate a drive region of a high-pressure pump before passing through an inlet check valve of the high-pressure pump. The rotational speed of an…
The subject matter described here relates to a method, a controller and computer program product for controlling a fuel pump of a fuel supply system for an internal combustion engine, and a fuel supply system for an internal combustion engine. The problem to be solved is not being provided with an…
A fuel supply apparatus able to stop actuating of a fuel supply pump without mounting a special fuel supply sensor when the fuel supply is stopped or becomes slow, includes a control section which calculates an amount of the fuel in the fuel tank based upon a signal from a fuel gauge, and outputs…
Fuel pump (1), with a housing (2) in which an electrical drive motor (3) is accommodated, whose motor shaft (4) is coupled via a coupling element (5) to a drive spindle (6) of a screw spindle pump (7), wherein the drive spindle (6) has at its coupling-side end (12) a substantially planar axial…
A fluid pump may include an electric motor having an output shaft driven for rotation about an axis and a pump assembly coupled to the output shaft of the motor. The pump assembly has a first cap and a second cap with at least one pumping channel defined between the first cap and the second cap…
The pump (1) has a housing (21), and a pumping stage (4) arranged in the housing for conveying fuel. An electric motor (6) has a stator (8) and a rotor (7) arranged on a shaft (5) that drives the pumping stage. Pump electronics for controlling the pump are arranged in a metal housing (10) that…
An outlet plate (26) of an impeller pump (10) is provided, the outlet plate (26) having an outlet port (40) disposed in the outlet plate (26), the outlet port (40) being defined by a first outlet port (102) and a second outlet port (104) each extending through the outlet plate (26); a separator…
The object of the present invention is to provide a fuel supply apparatus including a plunger pump in which generated vapor can be efficiently ejected and fuel can be cooled by the vapor. The fuel supply apparatus comprises a plunger 112, a cylindrical body 111 which accommodates the plunger 112 to…
In a fuel pump unit, a motor housing 6 is mounted on a base bracket 2 and a motor rotor 8 is housed in the motor housing 6. A brush holder 9 is inserted from an axial direction and covered. The brush holder 9 is provided with a motor shaft 8a that is open in the insertion direction, a brush fixing…
A rotor (15) is arranged in a pump chamber (14) delimited by an intake cap and a discharge cap. A pressure chamber (35) is arranged upstream of the pump chamber. A pressure relief valve (70) is arranged on the intake cap, and can close or open the flow connection from the pressure chamber to the…
The method involves sucking fuel from a fuel tank for delivery to an internal-combustion engine. A fuel pump unit has twp pump stages where below a certain supply pressure in a discharge opening (25) of the fuel pump unit the two pump stages are parallel and above a certain supply pressure they are…
The engine has several cylinders in at least one row and associated injection pumps, supply and return lines and a peripheral collecting area arrangement for connecting to a pump chamber (12) with radial connecting channels (16,17) communicating with the feed and return lines. The collecting area…
An electric pump (2) draws and discharges fluid. When the fluid receives heat from the pump (2), the fluid has a saturation vapor pressure that can surpass the pressure of fluid that is drawn into the pump (2) and is lower than the pressure of fluid discharged from the pump (2). The pump (2)…
The pump has a membrane (50) with its peripheral end attached between a guiding body (20) and a hydraulic block. A piston (22) driving mechanism comprises a cam (42) having an eccentric cylinder that is driven, through intermediate gears, by an engine shaft. Axes of gears and the cam are parallel…
The invention provides a fuel pump module for vehicle in which the overall length can be largely reduced and the vapor generated in the inside can be discharged to the outside. To achieve this, an electrically driven fuel pump 13 and a fuel filter 14 which are contained in a module case 12 are so…
The device has two electrical leads (11,12) leading to the motor and a suppression part (17) between the leads. The suppression part is a capacitor with a varistor connected in parallel with it in the form of a plate varistor or an envelope of fuel resistant plastic joined only to the suppression…
Permanent magnets (30, 31) are placed in both sides on the basis of a centerline of a rotor (16) perpendicular to a direction of a load applied to an impeller (4) by a pressure distribution within a pump flow path (7), and also an axial center (31a) of the permanent magnet (31) is placed with the…
A fuel injection system, comprising a low pressure fuel delivery pump (78) with constant output in fluid communication with a low pressure fuel line; said fuel line connected to an electronic controlled fuel pressure regulator (80) and fuel pressure sensor (86); an electronic control module (81) to…
The fuel pump has surface regions sealed by the casing wall and pressurized from the side channel sectors. These surface regions (12, 13) are bounded by chambers (16, 17) formed in the axial walls (5, 6) of the pump wheel (4). They are subdivided by ribs into sealed sub-chambers, the number and…