Abstract: The invention relates to known housing seals of two housing parts lying against each other, a first housing part (1) having a first sealing surface (6) and a second housing part (2) having a second sealing surface (7), which housing seals are equipped with a seal (15), which is inserted into a groove (10) in the first sealing surface (6) of the first housing part (1), wherein the groove (10) is covered by the second sealing surface (7) of the second housing part (2). According to the invention, in order to prevent crevice corrosion, the groove (10) has an opening (11) between the sealing surfaces (6, 7), which is used to ventilate the groove (10) having the inserted seal. The invention is intended for water pumps, in particular for auxiliary water pumps of motor vehicles.

Abstract: A liquid pump, in particular a water pump, comprises a pump housing, which has a thrust bearing seat, a bearing bolt and a bearing mounted on the bearing bolt. In this case, a thrust washer is arranged between the thrust bearing seat of the pump housing and the bearing. Furthermore, a flexible washer is arranged between the thrust bearing seat and the thrust washer.

Abstract: The invention relates to known housing seals of two housing parts lying against each other, a first housing part (1) having a first sealing surface (6) and a second housing part (2) having a second sealing surface (7), which housing seals are equipped with a seal (15), which is inserted into a groove (10) in the first sealing surface (6) of the first housing part (1), wherein the groove (10) is covered by the second sealing surface (7) of the second housing part (2). According to the invention, in order to prevent crevice corrosion, the groove (10) has an opening (11) between the sealing surfaces (6, 7), which is used to ventilate the groove (10) having the inserted seal. The invention is intended for water pumps, in particular for auxiliary water pumps of motor vehicles.

Abstract: The invention relates to an electric machine, comprising a stator (2), a rotor (3), a split cage (4), which separates a wet region (5) from a dry region (6), control electronics (9) and an interconnection element (7, 8), which produces an electrical contact between the stator (2) and the control electronics (9), wherein the rotor (3) is arranged in the wet region (5), wherein the interconnection element (7, 8) is surrounded at least partially by an insulating element (10), and wherein the insulating element (10) divides the dry region (6) into a first subregion (60), in which the stator (2) is arranged, and a second subregion (61), in which the control electronics (9) are arranged.

Abstract: The invention relates to an electronically commutated electric machine (1), comprising a stator housing (3) which receives a stator (4) in a stator chamber (13) and which delimits a rotor chamber (14) receiving a rotor. According to the invention, the stator housing (3) comprises a main housing (31) and a cover (9), wherein an elastic sealing element (8) is arranged between the main housing (31) and cover (9) and extends into the inside of the stator housing (3) with at least one radial region (30) and forms a tolerance compensating element (19) acting on the stator (4).

Abstract: The invention relates to a stator assembly (7) for an electric motor (1), in particular for a rotatory claw pole motor, including: an electrically conductive stator (8, 9) having a winding channel extending in the circumferential direction; a stator winding (6) extending in the winding channel; feed lines (5) for electrically contacting the stator winding (6); and a contact element (13) that electrically connects one of the feed lines (5) to the stator.

Abstract: A fluid pump 1, particularly a water pump 1, wherein an impeller 11 comprising a plain bearing bush 12 is rotatably supported on a bearing pin 13. The impeller 11 and the plain bearing bush 12 are thereby made of an identical base material in one or more pieces. A further material is mixed into the base material of the plain bearing bush 12, improving the sliding properties of the plain bearing bush 12 on the bearing pin 13.

Abstract: The invention relates to a device for retaining a machine component (3), in particular a stator, in a housing (2, 13) of an electric machine, wherein a pressure element (20) is provided in the housing (2, 13) in order to press the machine component (3) with a force against a stop (31).

Abstract: The invention relates to an electric machine, comprising a stator (2), a rotor (3), a split cage (4), which separates a wet region (5) from a dry region (6), control electronics (9) and an interconnection element (7, 8), which produces an electrical contact between the stator (2) and the control electronics (9), wherein the rotor (3) is arranged in the wet region (5), wherein the interconnection element (7, 8) is surrounded at least partially by an insulating element (10), and wherein the insulating element (10) divides the dry region (6) into a first subregion (60), in which the stator (2) is arranged, and a second subregion (61), in which the control electronics (9) are arranged.

Abstract: An electrical machine (100) comprises a housing (110), a stator (200) arranged in the housing and a conical spring washer (300), which holds the stator (200) in its installed position by means of a predetermined axial spring force (FA). In this case, the conical spring washer (300) comprises an annular base body (310), which is attached to a housing inner wall (110) by means of an attachment device (330), as well as a number of spring structures (320) which extend from the annular base body (310) in the direction of the stator (200) and support the stator (200) axially.

Abstract: The invention relates to a stator assembly (7) for an electric motor (1), in particular for a rotatory claw pole motor, comprising:—an electrically conductive stator (8, 9) having a winding channel extending in the circumferential direction;—a stator winding (6) extending in the winding channel;—feed lines (5) for electrically contacting the stator winding (6);—a contact element (13), which electrically connects one of the feed lines (5) to the stator.

Abstract: The invention relates to a fluid pump, in particular a liquid pump for a cooling and/or heating circuit of a motor vehicle, having a pump housing and having a rotationally fixed shaft, which is arranged in the pump housing, for an inner rotor which has an impeller wheel. According to the invention, it is proposed that the shaft is mounted at one side and, at its end remote from the bearing point, supports a bearing cap which engages at least partially around the shaft. The invention also relates to a method for producing a fluid pump of said type, in which method the shaft is fixed with its first end in a housing, in particular in a plastic housing, of the pump, the inner rotor of the pump is pushed onto the shaft and is secured axially by means of a bearing cap which is placed onto the shaft and is supported by the shaft.

Abstract: The invention relates to a centrifugal pump (100), in particular for a coolant in a motor vehicle, comprising a first centrifugal pump stage (102) having a first pump housing (108), and a first impeller (110) rotatably mounted therein, and to a drive device (106) for coaxially driving the first impeller. A second centrifugal pump stage (104) has a second pump housing (114) and a second impeller (116) rotatably mounted therein and an intermediate housing (120) is located between the first and the second pump housing (108, 114) for diverting a fluid flow dispersed by the first impeller to an inlet region of the second impeller.

Abstract: The invention relates to an implementation of a fluid pump 1, particularly a water pump 1, wherein an impeller 11 comprising a plain bearing bush 12 is rotatably supported on a bearing pin 13. The impeller 11 and the plain bearing bush 12 are thereby made of an identical base material in one or more pieces. A further material is mixed into the base material of the plain bearing bush 12, improving the sliding properties of the plain bearing bush 12 on the bearing pin 13.

Abstract: The invention relates to an electric motor, in particular for a pump in a motor vehicle. The electric motor has a housing, a stator and an armature. The electric motor also has a control unit which is preferably formed on a printed circuit board, wherein the printed circuit board is connected to the housing and/or to the stator via electrical connecting lines which are in particular in the form of wires and are solid.

Abstract: The invention relates to an electronically commutated electric machine (1), comprising a stator housing (3) which receives a stator (4) in a stator chamber (13) and which delimits a rotor chamber (14) receiving a rotor. According to the invention, the stator housing (3) comprises a main housing (31) and a cover (9), wherein an elastic sealing element (8) is arranged between the main housing (31) and cover (9) and extends into the inside of the stator housing (3) with at least one radial region (30) and forms a tolerance compensating element (19) acting on the stator (4).

Abstract: The invention relates to a pump rotor (26) for a canned motor pump. The pump rotor (26) comprises a base body (32) designed in one piece, with an impeller base disk (34) and a rotor holder bushing (36) and a rotor unit (40) with rotor magnets that are arranged on the rotor holder bushing (36).

Abstract: The invention relates to a fluid pump, in particular a liquid pump for a cooling and/or heating circuit of a motor vehicle, having a pump housing and having a rotationally fixed shaft, which is arranged in the pump housing, for an inner rotor which has an impeller wheel. According to the invention, it is proposed that the shaft is mounted at one side and, at its end remote from the bearing point, supports a bearing cap which engages at least partially around the shaft. The invention also relates to a method for producing a fluid pump of said type, in which method the shaft is fixed with its first end in a housing, in particular in a plastic housing, of the pump, the inner rotor of the pump is pushed onto the shaft and is secured axially by means of a bearing cap which is placed onto the shaft and is supported by the shaft.

Abstract: The invention relates to an electric machine comprising a rotor, a claw-pole stator (11) which surrounds the rotor, and a unit detecting the rotor position. According to the invention, a flux barrier (12) is provided in the area of a sensor (13) of the unit detecting the rotor position in order to block stray fields of the claw-pole stator (11).

Abstract: The invention relates to a centrifugal pump (10) for liquids, comprising a pump spiral housing (12) and a pump wheel (28), which is driven by an integrated electromotor (14, 20, 34, 36), whereby the rotational axis thereof (29) is arranged in a coaxial in relation to the rotational axis (37) of the pump wheel (28). The pump spiral housing (12) is sealed by a sealing ring (72) and is connected to the motor housing by means of a bayonet catch (74, 78) and covers the front side thereof. According to the invention, the motor housing (14) is pot-shaped and is made of plastic and the base thereof (13) which is oriented towards the pump spiral housing (12) forms a common housing wall in relation to the pump spiral housing (12).