An electric coolant pump for providing an automotive cooling circuit with a coolant includes an electric motor to drive the electric coolant pump, a pump housing, a separating can, a printed circuit board, and permanently height-adjusted supporting elements. The separating can includes a substantially plane separating can bottom wall which lies in a cross plane, and a substantially cylindrical separating can shell which fluidically separates a wet zone from a dry zone. The printed circuit board is arranged substantially parallel to and not in direct contact with the separating can bottom wall so that an axial gap exists which is filled with a heat conductive means. The supporting elements axially support the plane printed circuit board. Each supporting element has a distal tip which is trimmed to define a height-constant axial gap having a nominal gap height between the printed circuit board and the separating can bottom wall.

An electric motor vehicle-axial-flow liquid pump which is designed as an internal rotor pump. The electric motor vehicle-axial-flow liquid pump includes a pump housing with an axial inlet opening for admitting a liquid and an axial outlet opening for discharging the liquid, and an electric motor arranged in the pump housing. The electric motor includes a motor stator with at least one external stator coil, a can formed radially inside the at least one external stator coil, and a rotor body which is permanently magnetized and which is provided as an axial-flow impeller rotatably arranged inside the can. The rotor body has an axis of rotation and at least one blade which pumps the liquid from the inlet opening to the outlet opening along the axis of rotation.

A pump assembly (1) includes an impeller with a rotor axis (R). A pump housing (11) accommodates the impeller. A drive motor with a stator (14) and a rotor (51) drives the impeller (12). A rotor can (57) accommodates the rotor (51), and a stator housing (13) accommodating the stator (14). The rotor can (57) is mounted by a first coupling to the pump housing (11). The stator housing (13) is mounted by a second coupling to the pump housing (11). The first coupling is located closer to the rotor axis (R) than the second coupling.

An electric fluid pump for a motor vehicle includes a housing composite, a pump unit, a drive motor, a rotor shaft, and a motor controller which controls the drive motor. The housing composite defines a pump space, which includes a pump rotor space wherein a pump rotor of the pump unit is arranged, and a motor space wherein the drive motor is arranged, which together comprise a common end wall. The drive motor includes a motor stator, a motor coil arrangement, and a motor rotor. The rotor shaft co-rotatably connected to the motor rotor, and is arranged through the common end wall to rotate jointly with the pump rotor. The common end wall is a mounting wall part on which at least the motor controller is arranged. The motor coil arrangement is arranged on the motor stator and is provided on a side which is opposite to the motor controller.

The disclosure provides a magnetically driven pump which including a base, a spacer sleeve, a cover, a stator assembly and a rotor assembly. The base has a first accommodation space. The spacer sleeve is mounted to the base and partially located in the first accommodation space. The spacer sleeve has a second accommodation space not connected to the first accommodation space. The cover has through holes. The cover is mounted to the base, and the through holes are connected to the second accommodation space. The stator assembly is sleeved on the spacer sleeve and located in the first accommodation space. The rotor assembly includes a shaft, an impeller and a magnet assembly. Two ends of the shaft are rotatably disposed on the cover and the spacer sleeve, the shaft is partially located in the second accommodation space, and the impeller and the magnet assembly are fixed on the shaft.

A motor pump capable of preventing deformation of a resin-made motor casing due to heat while securing a mechanical strength of the motor casing is disclosed. The motor pump includes a motor casing made of resin. The motor stator is disposed in the motor casing. The motor casing includes a partition wall located between the impeller and stator coils, ribs extending radially, and an inner frame connected to an inner edge of the partition wall. The partition wall is fixed to the ribs. The motor casing has guide protrusions formed on an outer surface of the inner frame, and further has recesses formed between the guide protrusions.

A stator for a downhole-type motor includes a housing. The housing includes a sleeve. The sleeve includes a first layer, a second layer, and a third layer. The first layer is erosion-resistant. The second layer is corrosion-resistant. The third layer can provide structural support. The stator includes a motor stack. The stator can be used to drive a rotor disposed within an inner bore of the housing.

Disclosed is a water pump with an adjustable water discharge direction, which comprises a pump shell, a rotating shaft, a rotor, a stator and an impeller; a mounting cavity and a pump cavity which are isolated from each other are arranged in the pump shell, and the pump shell is provided with a water inlet and a water outlet; the rotating shaft is rotatably arranged in the pump shell, a front end of the rotating shaft is located in the pump cavity, and a rear end of the rotating shaft is located in the mounting cavity; the rotor is arranged at the rear end of the rotating shaft and located in the mounting cavity; the stator is arranged in the mounting cavity and encloses an outer periphery of the rotor; the impeller is arranged at the front end of the rotating shaft and located in the pump cavity.

A pump assembly (1) includes an impeller (12) with a rotor axis (R), a pump housing (11) accommodating the impeller (12), a drive motor with a stator (14) and a rotor (51) for driving the impeller (12). A rotor can (57) accommodates the rotor (51), and a stator housing (13) accommodates the stator (14). The rotor can (57) includes a rotor can flange (63) having a lateral rotor can flange face (87) fitting within a peripheral wall (69) of the pump housing (11). The lateral rotor can flange face (87) has at least three radial projections (91) abutting against the peripheral wall (69) of the pump housing (11) and centering the rotor can (57) with respect to the peripheral wall (69) of the pump housing (11).

A centrifugal electric pump assembly, comprising a wet section, which comprises inside it a liquid and/or solid scale remover substance in a position that at least potentially communicates with the wet section.