Abstract: A pump includes an electric motor with a rotor rotatably supported about an axis of rotation and circumferentially surrounding a stator. The stator includes a stator core and coils wound on the stator core. The windings are defined by a winding wire including winding wire end sections that are electrically contacted with a printed circuit board by a crimp connection.

Abstract: A motor vehicle cooling system with an electric coolant pump includes a housing with a pump shaft. The electric coolant pump includes an electric motor in a motor housing. The electric coolant pump is at least partially accommodated in the pump shaft. A clamping device including at least two clamping arms is attached to an upper side of the motor housing. The clamping arms are supported with free ends thereof on an inner side of the pump shaft to clamp the electric coolant pump to the housing.

Abstract: The invention relates to a temperature control device for a battery bank module (5). In addition to a temperature control circuit (50), which has a plurality of channels which are in thermal contact with battery cells, and a heat exchanger, the temperature control device also comprises a pump (1). The pump (1) comprises a spindle housing (10) and at least one screw spindle (2a, 2b) which is coupled to a dry-rotor-type electric motor (3).

Abstract: A motor housing cover assembly includes a motor housing cover of an electric motor with an upper side and a lower side and a printed circuit board with electronic components. The motor housing cover is penetrated by electrical contacts which each make electrical contact with the printed circuit board with a first end region and are in an electrical plug connector with a second end region, which is arranged on the upper side of the motor housing cover. The motor housing cover, the printed circuit board and the plug connector are at least partially surrounded by a molding compound in a molding process, the molding compound fixing the printed circuit board and the plug connector to the motor housing cover.

Abstract: An electric motor includes a rotor and a stator including a stator core and coils. The coils are defined by a winding wire including winding wire ends electrically contacted with a printed circuit board at an end surface through connectors. The connectors each include at least two insulation displacement contacts receiving a winding wire end of a stator winding. Each connector includes a single electrical connection to the printed circuit board. The connector includes a base body with an underside in contact with the printed circuit board. Each of the at least two insulation displacement contacts includes a clamping slot perpendicular to the underside of the base body. The clamping slots are defined by spaced legs extending from the base body, at least two of the spaced legs being resilient.

Abstract: A pump assembly includes an electric motor with a printed circuit board with a controller, a pump driven by the electric motor, a housing surrounding the printed circuit board, and a connector which is fastened on an outside of the housing by a flange, which covers an opening of the housing, and which includes contacts directly electrically contacting the printed circuit board. The contacts pass through the opening of the housing. The connector includes a main housing in which the contacts extend and which adjoins the flange. The connector includes a pressure compensator which is in the main housing.

Abstract: A pump includes an electric motor with a rotor mounted rotatably about an axis of rotation and circumferentially surrounding a stator that includes a stator core and coils wound on the stator core. The windings are defined by a winding wire with winding wire end sections electrically contacted directly with a printed circuit board at an end surface through insulation displacement contacts each including at least one opening for insertion of a winding wire end section, the at least one opening being a slot extending parallel or substantially parallel to a surface of the printed circuit board.

Abstract: A pump assembly includes an electric motor with a printed circuit board carrying a controller, a pump driven by the electric motor, a housing surrounding the printed circuit board, and a plug connector which is fixed to an outside of the housing by a flange. The plug connector covers an opening of the housing and includes contacts directly electrically contacting the printed circuit board and passing through the opening of the housing. The connector includes a pressure compensator including a sintered filter to vent the housing.

Abstract: A pump assembly includes an electric motor with a printed circuit board carrying a controller, a pump driven by the electric motor, a housing surrounding the printed circuit board, and a connector attached on the outside of the housing by a flange. The connector covers an opening of the housing and includes contacts for direct electrical contact with the printed circuit board which passes through the opening of the housing. The connector includes a pressure compensator in the flange.

Abstract: A damping element (1) has a multi-start thread on its circumferential surface (4). The damping element (1) can engage in a recess in a first body (12). To this end, the damping element (1) has a thread portion on its circumferential surface and the recess (13) in the first body (12) has in its inner lateral surface at least one mating thread portion which corresponds to the thread portion of the damping element (1). Through engagement of the thread in the mating thread, the damping element can be screwed together with the first body (12). By means of the thread, the damping element (1) can be fastened to the first body (12) and separated therefrom again with little effort. A fastening element (23) can fasten the damping element (1) to a second body in order to fasten the first (12) and the second bodies to one another in a vibration-damped manner.

Abstract: Axial sliding bearing arrangement for a pump impeller (8) of a radial pump (1) with a first, rotating friction surface (22) pointing in an axial direction (A), a second, non-rotating friction surface (23) facing the first, rotating friction surface (22), wherein the second, non-rotating friction surface (23) is allocated to a swivel head body (20), wherein the swivel head body (20) is axially supported via an axial support surface (24), and the swivel head body (20) is radially supported in a resiliently yielding manner at radial support surfaces (25) by means of first spring means (31).

Abstract: The invention relates to a shaft bearing having a seal arrangement to prevent steam leakages that can occur in the event of temperature fluctuations or pressure fluctuations between a liquid medium on the one side and a gaseous medium on the other side of the compact bearing, wherein, between a primary radial seal and a rotation bearing portion, a lubrication space surrounding a shaft circumference is arranged that receives a volume of lubricating grease that has a higher viscosity than a lubricating oil and a coolant; and a volume compensator for compensating a temperature-dependent volume fluctuation is provided that comprises a compressible material, and is arranged vertically in interaction with the volume of the lubricating oil and/or the volume of the lubricating grease.

Abstract: An electric coolant pump (1) conveys cooling fluid in order to cool a combustion engine of a vehicle. The electric coolant pump (1) has a pump impeller (2) for accelerating the coolant to be conveyed, a rotor shaft (3) on which the pump impeller (2) is fixed, an electric motor (6), having a stator (8) and a rotor (7), for driving the rotor shaft (3). A control circuit (13) controls the electric motor (6). A pump housing (10) accommodates at least the control circuit (13) and the electric motor (6). The coolant to be conveyed is able to flow through the pump housing (10). The coolant to be conveyed thereby flows around the stator (8), the rotor (6) and the control circuit (13).

Abstract: Pump module, particularly for a temperature management system, and temperature management system comprising the pump module, and motor vehicle comprising the pump module or the temperature management system The invention relates to a pump module, in particular a liquid fluid pump module for a temperature management system (100), e.g. of an electric battery-driven motor vehicle or a hybrid motor vehicle, comprising: at least one electrically driven fluid pump unit (2) which is configured and provided to supply fluid to be pumped to at least one actuatable fluid valve means (3); a control device (ECU) for actuating at least one drive motor (7) of the fluid pump unit (2), wherein the control unit (ECU) also comprises at least one electrically actuatable operating solenoid (31) for a pilot valve (20), which solenoid is configured and provided to hydraulically operate the fluid valve means (3) by means of the pilot valve (20) during normal use of the pump module (1).

Abstract: A toothing for a gerotor pump comprises a plurality of outer teeth (10) at a gerotor inner element (1) and a plurality of inner teeth (20) greater by one at a gerotor outer element (2), wherein a centre (M1) of the gerotor inner element (1) is offset from a centre (M2) of the gerotor outer element (2) by an eccentricity (e), the outer teeth (10) thereby meshing with the inner teeth (20). A contour of the outer teeth (10) at the gerotor inner element (1) is essentially defined by a curve of a single ellipse from a tooth tip (11) continuously via tooth flanks (13) to a transition radius (14) towards a tooth space or a tooth root (12); wherein the principal axis of the ellipse is arranged radially to the gerotor inner element (1) and the centre of the ellipse determines a radius (Rmin) at the gerotor inner element (1) which corresponds to the maximum meshing depth of the gerotor outer element (2) between the outer teeth (10) at the meshing.

Abstract: The invention relates to a vane pump for conveying liquids, in particular viscous oils, which vane pump includes: a rotor having sliding slots in which movable vanes are held and can be countersunk in relation to a rotor radius (r); a pump housing including a pump chamber, which encloses the rotor; and an inlet and an outlet, which open into the pump chamber at at least one end face of the rotor; radial elevations protruding, with respect to the sliding slots, over the circumference of the rotor, which elevations form a rotor radius (r) on either side of the vanes that can be countersunk, and radial pockets being recessed, relative to the rotor radius (r), between the radial elevations. Within the radial elevations, recesses are formed on the at least one end face of the rotor at which the inlet and the outlet open, which recesses provide rotating anticipatory control geometry for reducing pressure spikes in the vane cells.

Abstract: The invention relates to a shaft seal (1) which is configured to seal a shaft (2) between a coolant side (8) and a dry side (9) in a water pump. The shaft seal (1) is particularly characterized in that a compressible volume compensator (7) for compensating a temperature-dependent volume fluctuation is provided, which is vertically disposed and interacting with the volume of a barrier fluid (6).

Abstract: A sliding bearing having a sealing arrangement for water pumps, configured to radially mount and seal a shaft in a housing between a wet side and a dry side. The sliding bearing and the sealing arrangement include a sliding bearing bushing made of a sintering material for radial mounting of the shaft, and a dry-side shaft seal arranged between the sliding bearing bushing and the dry side. A wet-side shaft seal is arranged between the wet side and the sliding bearing bushing and a lubricant reservoir with a substrate, made of a non-sintered material, which is porous in at least some sections, is arranged at least between the wet-side shaft seal and the sliding bearing bushing. The lubricant reservoir includes, in pores of the substrate, a lubricant insoluble in water. A volume of the lubricant reservoir and a volume of a lubricant filling take up a total volume of spaces between the wet-side shaft seal and the dry-side shaft seal.

Abstract: A pump device for a cooling circuit of an internal combustion engine of a commercial or motor vehicle includes two electric pumps in parallel, each of which includes a switchable backflow valve in a suction line, so that the electric pumps can be operated selectively individually or in parallel.

Abstract: The invention relates to a pump impeller for a radial pump with a carrier plate comprising an intake side and a rear side situated opposite the intake side, a blading being provided on the intake side for conveying a medium to be pumped, characterized in that, on the rear side of the carrier plate, at least one flow profile is situated which is configured and formed to reduce at least a difference between a pressure-induced balance of forces on the carrier plate and on a cover plate in the case of a rotation of the pump impeller in a rotational direction (DR).