Abstract: In an alternating-current generator, an end wall of a frame is provided with a plurality of fin supports separately arranged on the outer surface of the end wall. The cooling fin is mounted on the plurality of fin supports. The end wall is provided with a plurality of reinforcements each arranged between a corresponding one of the plurality of fin supports and another one thereof and each configured to reinforce a rigidity of a portion of the end wall. The corresponding one of the plurality of fin supports and another one thereof are adjacent to each other in a circumferential direction of the axis of the rotor. The rigidity-reinforced portion of the end wall is located between the corresponding one of the plurality of fin supports and another one thereof.

Abstract: A motor driven electrical device includes: a variable electrical device having a rotational variable control; a first support plate positioned above the variable electrical device; a motor support plate pliably attached to the first support plate using a pliable separator positioned between the motor support plate and the upper support; a motor mounted on the motor support plate, the motor having an output shaft; an interface/control unit coupling the output shaft to the rotational variable control; and stanchions attached to the first support plate for holding the first support plate in a fixed relation with respect to the variable electrical device.

Abstract: An independent and modular apparatus is disclosed for extending the operational capacity of a servo motor. The apparatus includes a frame member having a servo motor and a rotatable shaft mounted therein. The output shaft of the servo motor and the rotatable shaft are displace from one another. Means are incorporated for translating rotation motion from the output shaft to the rotatable shaft so as to enable a torque or rotational capacity for the rotatable shaft that is greater than that of the servo output shaft.

Abstract: An alternator comprises a housing including a first portion, and a second portion having a plurality of electrical connectors and having an aperture; a stator supported in the first portion of the housing; a rotor supported for rotation relative to the stator and configured to have a force current applied thereto; and a resistor coupled to the rotor and configured to reduce the current through the rotor, the resistor being removable and replaceable. Other apparatus and methods are provided.

Abstract: A pump apparatus includes a motor unit and a pump unit. The motor unit includes a cylindrical yoke housing and a rotor accommodated in the yoke housing. A rotary shaft of the rotor is supported by a first bearing and a second bearing. In a direction from a bottom wall of the yoke housing toward an opening of the yoke housing, the first bearing, an armature, a commutator, and a second bearing are arranged in this order on the rotary shaft. A base plate is attached to the opening of the yoke housing. The base plate has a through hole for receiving the second bearing. The commutator has an outer diameter greater than the inner diameter of the through hole. A disc spring is located between the bottom wall and the first bearing. The disc spring urges the rotor in a direction from the bottom wall toward the opening.

Abstract: A motor holder receives a motor main body and includes a plurality of ribs, which are provided to an inner peripheral surface of the motor holder and are engaged with an outer peripheral surface of a motor yoke to hold the motor main body. The ribs are arranged symmetrically about a reference line, which is perpendicular to a rotational axis of a rotatable shaft and passes through a rotational center of the rotatable shaft and a circumferential center of each of the two power supply brushes.

Abstract: The present invention comprises a U-bolt connector for connecting pairs of stator coil headers 2 with ball headers 6 comprising, a U-bolt 16, top capping pieces 18,20, bottom capping pieces 20, 21, a variable piece 24, and a tightening mechanism 26. The top capping pieces 18,20 secure one ball connector in the pair of stator coil headers and the bottom capping pieces 20, 21 secure another ball connector in the pair of stator coil headers, while the variable piece 24 is disposed between the top capping pieces and the bottom capping pieces. The U-bolt 16 embraces the top capping pieces 18,20, the bottom capping pieces 20, 21 and the variable piece 24, where the tightening mechanism 26 holds the U-bolt tightly to the top capping pieces, the bottom capping pieces and the variable piece and is located at the end of the U-bolt.

Abstract: A mounting arrangement for a refrigerator fan, comprising an electric motor (11) to whose shaft is affixed a propeller (12) with an axial flow passing through a refrigerated air outlet (4b) provided through an internal divisional wall (6) of the refrigerator; a support frame (20) having a marginal portion (21) and incorporating a central hub (22) in which is affixed the electric motor (11); a flexible support (30) in the form of an annular flange presenting an outer portion (31), which is peripherally and removably affixed to the contour of the refrigerated air outlet (4b), an inner portion (32) provided with a central opening (35) and with retaining means (36), which are removably locked to the marginal portion (21) of the support frame (20); and an annular membrane portion (33) interconnecting the outer portion (31) and the inner portion (32), in order to allow for small relative axial and radial displacements therebetween.

Abstract: An alternator comprises a housing including a first portion, and a second portion having a plurality of electrical connectors and having an aperture; a stator supported in the first portion of the housing; a rotor supported for rotation relative to the stator and configured to have a force current applied thereto; and a resistor coupled to the rotor and configured to reduce the current through the rotor, the resistor being removable and replaceable. Other apparatus and methods are provided.

Abstract: A DC motor including: a substantially cup-shaped housing; and an attachment board which closes an opening of the housing, and to which the motor is attached in a predetermined position; wherein the board has a fitting portion which is provided at a central part of this board, and to which a bearing on one side of a rotor shaft placed in the housing is fitted, and an arm formed protruding in a radial direction at an outer circumferential part of the attachment board, and fastened to an attachment member.

Abstract: A cutout portion is formed at an outer peripheral side of a stator placing portion provided in a bearing bush for placing a core back portion of a stator. A connecting wire portion of a coil of the stator is inserted through a gap formed between the cut-out portion and the core back portion. The connecting wire portion is, therefore, prevented from being caught between a lower surface of the core back portion and an upper surface of the stator placing portion when the stator is secured on the stator placing portion by a first fixing member.

Abstract: A vehicle fan motor for an electric fan assembly includes a motor housing, a motor assembly enclosed in the motor housing, and a universal mounting arrangement radially and outwardly extended from the motor housing for securely mounting the motor housing to the electric fan assembly. The universal mounting arrangement contains first through sixth alignment holes radially and spacedly provided on a circumferential side of the motor housing. Therefore, the motor housing is adapted for securely mounting to the electric fan assembly having three mounting holes when the first, third and fifth alignment holes of the universal mounting arrangement are coaxially aligned with the three mounting holes respectively, and the motor housing is adapted for securely mounting to the electric fan assembly having four mounting holes when the first, second, fourth and sixth alignment holes of the universal mounting arrangement are coaxially aligned with the four mounting holes respectively.

Abstract: A low-abrasion rotating structure includes a stator set, a rotor set, and a rotating shaft. A stator hole is defined at a center of the stator set. A rotor hole is defined at a center of the rotor set. The rotating shaft is disposed in both the stator hole and the rotor hole to connect the stator set and the rotor set, and is rotatable in respect to the stator set and the rotor set.

Abstract: The present invention relates to systems and methods for a synchronous motor/generator including at least one back iron element which is rotated along with a rotor of the motor/generator. Rotation of the back iron(s) mitigates eddy current losses and improves efficiency in the motor/generator. The motor/generator also includes at least one stator winding supported in a non-conductive structure attached to the machine frame. The motor/generator of the present invention can also include at least one permanent magnet located in the rotor. The permanent magnet(s) cooperates with rotor windings to generate a DC magnetic field for the rotor. The components of the motor/generator can be configured in an axial gap topology, radial gap topology, or any other suitable topology.

Abstract: An apparatus for extending the operational capacity of a servo motor is disclosed. The apparatus includes a frame member. A first aperture is defined within the frame member and is configured to support a servo motor. A servo motor is positioned within the first aperture. The servo motor has a splined output shaft. A first gear is functionally engaged to the splined output shaft. The first gear includes a plurality of gear teeth disposed along an outer perimeter. The first gear also includes an integrally formed female spline receiver.

Abstract: A vibration motor having a tubular case, a shaft protruding from a front end of the case, a weight eccentrically fixed to an end of the shaft, and a metallic holder surrounding the case, the holder being surface-mounted on a wiring board by reflow-soldering, wherein the holder has a planate bottom placed on the wiring board, a pair of forward tilting prevention portions that extends up to a position facing the weight is formed at the bottom, a notch is provided on a center line extending along the bottom between the forward tilting prevention portions, and the notch extends from the front end of the forward tilting prevention portions beyond the position facing the weight.

Abstract: A wiper motor which can prevent an impact force from greatly acting on attaching parts is provided. A gear cover formed in a substantially inverted y-plate shape is fastened to an opening of a gear case of the wiper motor used in a rear wiper device so as to cover a worm reduction gear and a crank device. A gravity center of a motor part and a gear part is disposed within an area of a triangle formed by a first attaching part, a second attaching part, and a third attaching part, which are formed at three end portions of the inverted y-plate shape of the gear cover. The first attaching part is disposed on an extension line of the rotation axis, and the rotation axis is disposed at a position where a segment connecting the second attaching part and the third attaching part is divided into half. A wiper shaft is disposed on an opposite side to the third attaching part with respect to a segment connecting the first attaching part and the second attaching part.

Abstract: An alternator for a vehicle has a regulator disposed in a casing so as to be exposed from a window of the casing, an input harness and an output harness disposed outside the casing, and an insulating bush disposed between an output terminal and the casing. The regulator controls generation of electric power in response to a control signal sent through the input harness and a connector disposed on the casing. The generated power is output from the alternator through the output terminal and the output harness. The alternator further has a shield cover connected with the insulating bush so as to be unified with the insulating bush. An exhaust pipe heated at a high temperature is disposed over the casing. The shield cover extends between the casing and the exhaust pipe so as to shield the regulator and the harnesses from the exhaust pipe.

Abstract: A motor vehicle door lock having a casing (1), a drive (2) and a fixing device (5) for the drive (2). The fixing device (5) has a receiving element (6) for the drive (2) and the drive is fixed in the receiving element (6) by the fixing device (5). The receiving element (6) is configured at least partly in a resilient manner and has a resiliently movable part (8), the receiving element (6) can be placed in a position that fixes or releases the drive (2) in the receiving element (6), preferably by elastic deformation. The fixing device (5) has an actuatable locking device (9). By actuating the locking device (9), it engages with the receiving element (6) and brings the receiving element (6) into a position by which retains the drive (2).

Abstract: A frame unit provided in a compressor and a method of manufacturing the frame unit with improved productivity. The frame unit is secured between a cylinder block and a stator of the compressor and is adapted to rotatably support a rotary shaft press fitted in a rotor located inside the stator.

Abstract: A method of manufacturing and an overmolded mounting base. A plate is provided with mounting surfaces having a range of alignments including a nominal alignment. The plate is overmolded to form an overmolded plate. The overmolding changes the alignment of the mounting surfaces. The overmolded plate is maintained at a creep temperature for a time interval sufficient for creep to restore the alignment toward the nominal alignment.

Abstract: In a stator core support structure in a conventional rotating electric machine, it has been difficult to set the circumferential and radial stiffnesses with which elastic bars support a stator core, to appropriate values in view of a relationship between transmission of torque and vibration prevention. In order to solve the above problem, sectional shape of elastic support bars is formed as rectangular, elliptic, rhombic or the like, and accordingly, the ratio between circumferential and radial stiffness of the elastic support bars can be changed.

Abstract: A motor structure resistant to liquid intrusion features two modules, the first having an electronically commutated external-rotor motor (20), which motor comprises an internal stator (22) that is arranged on a bearing tube (30) and is separated by a first air gap (24) from an external rotor (26; 92), which latter comprises a rotor cup (40) that is open at one end and is joined at its other end to a shaft (46) that is journalled in the bearing tube (30), further having a permanent-magnet arrangement (76), arranged at the open end of the rotor cup (40), for magnetic interaction with a second permanent-magnet rotor (92), forming part of the second module. The first module is separated from that second rotor (92) by a second air gap and forms therewith a magnetic coupling (94), so that a rotation of the permanent-magnet arrangement (76) brings about a rotation of that second rotor (92).

Abstract: An electric machine having a stator assembly that includes a stator core and a coil supported by the stator core and a rotor assembly that includes a shaft and a rotor supported by the shaft that is in magnetic interaction with the stator core. The electric machine may include a single sensor configured to detect magnetic polarities of the rotor as the rotor rotates relative to the sensor and to generate a signal representing the detected magnetic polarities of the rotor. The signal and an inverted version of the signal are utilized to control current through the coil. The current may be controlled indirectly by controlling the application of voltage to the coil. The sensor may be encapsulated on a circuit board to positively position the sensor relative to the circuit board. The circuit board may be mounted to a bearing housing of the electric machine. The sensor may be received in a pocket of a bearing housing of the electric machine so the sensor is positively positioned relative to the rotor.

Abstract: Disclosed within is a fist bracket comprising a base and a circumferential portion extending from the base in which the circumferential portion comprises an outer surface and an inner surface and the outer surface comprises a curved section and a planar section. Also disclosed within is a combination of a motor mount bracket and fist bracket comprising a fist bracket with a base and a circumferential portion extending from the base. The circumferential portion includes an outer surface and an inner surface and the outer surface comprises a curved section and a planar section. The combination further includes a bushing disposed within the circumferential portion of the fist bracket.

Abstract: A step motor includes a spindle, a magnet unit mounted around the spindle, and a stator assembly sleeved over the magnet unit. The stator assembly includes at least one coil-and-yoke unit having a coil support, a coil wound around the coil support, and a pair of magnetic yokes mounted in the coil support. The stator assembly further includes an outer tube sleeved over the coil-and-yoke unit. A fixing plate and a cover unit are mounted to opposite ends of the stator assembly. The spindle is journalled in the fixing plate and the cover unit. The coil support includes a surrounding wall having notches formed in an inner circumferential surface thereof and angularly spaced apart at equal intervals. Each of the magnetic yokes includes excitation fingers inserted in the notches. The excitation fingers of the magnetic yokes are interdigitated.

Abstract: A motor includes a motor housing and a rotor that is rotatably received in the motor housing. Holding portions hold the motor in a manner that limits turning of the motor housing around a rotational axis of the motor while permitting movement of the motor housing in a predetermined direction, which is perpendicular to the rotational axis of the motor.

Abstract: A hole piercing a bracket and another hole piercing a circuit board are formed at places between adjacent two salient poles among a plurality of salient poles of a stator core and the places correspond to tips of the two salient poles. A relative position between a hall element mounted on the circuit board and the stator core can be adjusted with a jig through those holes.

Abstract: An arrangement with an electric motor facilitates mounting of the motor, particularly of a miniature or subminiature motor. The motor (20) has a stator (56), a rotor (24), and a support flange (36) coupled to the motor. A motor mount (22) is formed with an opening (94) for engagement with the support flange (36). The opening has, on its rim, a motor-side shoulder (96) that has a substantially frustoconical shape and faces axially toward the motor (20) after mounting. The support flange (36) is shaped for guidance of a snap-lock element (82) that extends along at least a portion of the circumference of the support flange (36) and is resiliently deflectable radially inward, by means of an inwardly directed force. The snap-lock element (82) is so configured that it snap-locks outward against the motor-side shoulder (96) of the opening (94) when the motor is mounted.

Abstract: A motor includes a circumferential wall part of a case provided with an opening part on one end side in an axial direction and at least a magnet fixed to the inner peripheral face of the circumferential wall part. At least a part of the outer peripheral face of the magnet is fixed to the inner peripheral face of the circumferential wall part with a first adhesive, and further, the outer peripheral edge part of a first end face of the magnet that is located on a side of the opening part is fixed to the inner peripheral face of the circumferential wall part with a second adhesive.

Abstract: A fastener assembly includes a grommet, a dampening subassembly, and a pin. The pin is secured to the grommet and the dampening subassembly. The pin is configured to rotate between a locked position and an unlocked position with respect to the grommet. The pin secures to the grommet in the locked position, and is removable from the grommet in the unlocked position.

Abstract: A motor-sensor system of an electric motor with a shaft end on an encoder side, a mounting device for the motor, terminals for supplying power to the motor and a printed circuit board with electronic components for controlling and regulating an encoder unit. Contact pins are provided for supplying power to the motor and for forming contact guides with correspondingly formed bore holes disposed in the motor are positioned on a solid printed circuit board. An angular mounting clamp encompasses the electric motor on the shaft end of the encoder side. The clamp ends are formed as pegs which secure the end face and at least one longitudinal side of the motor on the printed circuit board. The angular mounting clamp has in the plane of the end face of the motor a contact surface for the shaft end of the encoder side of the electric motor.

Abstract: A support device of a motor shaft includes a shaft, a shaft seat and a bearing. The shaft is joined to a fan blade set at an end thereof and provides a circular shape at another end thereof. The shaft seat has a circular recess corresponding to the circular end so as to join with the shaft. The bearing fits with the shaft to support the shaft during the shaft rotating and the shaft seat further has a hollow space at the center thereof to receive the shaft. Due to being attached to the shaft seat and supported, the shaft is capable of rotating steadily to overcome deficiency of swinging residing in the prior art.

Abstract: The present invention relates to an electrical machine, comprising: a supporting structure; a stator cantilevered-out from the structure; and a rotor mounted to rotate on the structure about an axis of rotation in such a manner as to be capable of being driven by the stator, the supporting structure comprising a hollow central shaft substantially coaxial about the axis of rotation of the rotor, an electric cable for powering the stator traveling along the inside of the shaft, and the rotor having a drive surface for transmitting torque to at least one element that is to be driven, the drive surface being situated at least in part around the shaft.

Abstract: A flexible construction for an elevator gearless traction drive machine having a frame that is easily adaptable to traction sheaves of differing widths and diameters while providing the necessary stability for the drive components without an additional structure. The frame is comprised of a pair of frame members joined by a plurality connecting rods. The connecting rods can be mounted in various positions based on the diameter of the sheave to avoid interference between the drive mount and suspension means. Longer or shorter connecting rods may be used based on the width of the sheave.

Abstract: A motor includes a stator formed of a stack of silicon steel sheet members and a winding holder mounted inside the stack of silicon steel sheet members, axles inserted through the stator in four corners, front and back covers respectively covered on the front and back sides of the stator and engaged with the ends of the axles and affixed to the stator with screws, and a rotor supported between the front and back covers and suspending within the stator.

Abstract: A method for centering and securing data storage disks to the hub of a spindle motor in a hard disk drive has a chamfer and a countersink on the top of the spindle motor shaft center. During the hard disk drive assembly process, a disk centering tool engages and uses these features to locate and center the disks that are installed on the spindle motor. The features are closely toleranced to provide a very precise centering feature for mounting and aligning the media disks with respect to the hub and the spindle motor. The present design reduces the complexity of the tooling and fixtures required to complete the assembly. As a result, the overall part cost is reduced and the manufacturing yield is improved.

Abstract: A base plate for a spindle motor is provided defining a minimal axial gap with a relatively rotatable magnet. In an example, a surface of the base plate is positioned at 0.1 mm from an adjacent surface of a relatively rotatable magnet. The base plate is comprised of a composite material such that stiffness is improved and acoustic vibration is reduced, while maintaining low power consumption and a fast start-up time. A first material, being a nonmagnetic material is employed adjacent to a motor magnet, and a second material having a preferred stiffness is employed at a greater radial distance from the magnet than the radial distance between a stator and the magnet.

Abstract: A boot for a vibration motor of a mobile communication device is provided. The motor has a generally flat upper surface and is adapted to be installed in a mounting slot in a mobile communication device frame with the upper surface substantially parallel to an adjacent surface of said frame, and the mounting slot is at an angle with respect to a normal of the adjacent surface. The boot has an outer surface corresponding to the shape and angle of said mounting slot, an exposed surface generally parallel to said adjacent surface, and a motor-receiving slot for receiving said vibration motor, the motor-receiving slot having an axis angled from an axis of the mounting slot and generally normal with respect to the adjacent surface.

Abstract: An on-vehicle generator mounting device includes: a stay provided with a first insertion hole; a front side mounting leg and a rear side mounting leg of the generator, both being disposed on two ends of the stay; a second insertion hole provided through one of the mounting legs; a cylindrical bush fitted movably into a fitting hole provided through the other of the mounting legs; a clamp nut disposed at the other mounting leg to be adjacent to and coaxially with the bush, so as not to turn within said aperture but with a gap in a radial direction therebetween; and a bolt inserted through the second insertion hole, first insertion hole and bush, the bolt being screw-engaged with the clamp nut. An end of the clamp nut protrudes outward of said aperture beyond an outer surface of the other mounting leg. The clamp nut screw-engaged with the bolt fixing the generator is prevented from corroding due to anti-freezing agent.

Abstract: The invention is based on a braking device for an electric motor with a stator (14, 16, 18) and a rotor (10), in particular for a direct current series-wound motor, with a braking element (20) that can be moved between an operating position and a braking position depending on a magnetic flux in the stator (14, 16, 18), wherein there is an air gap (32) between the braking element (20) and the stator (14, 16, 18), and with a short-circuit ring (38) for suppressing mechanical vibrations. The invention proposes that the short-circuit ring (38) be inclined in relation to the air gap (32) between the stator (14, 16, 18) and the braking element (20).

Abstract: A support system, a bracket assembly, and a damping member for use in supporting a rotating shaft. A support system including a fixed bracket; a bracket assembly; and a bearing. The bracket assembly having a first damping member having a first fixed end and a second movable end, the first fixed end being securably attached to the fixed bracket and the second movable end being movable in a first plane aligned with the shaft. The bracket assembly further having a brace securably attached to the second movable end of the first damping member. The bracket assembly further having a second damping member having a first end and a second end, the first end being securably attached to the brace and the second end being movable in a second plane that is aligned with the shaft and is generally perpendicular to the first plane.

Abstract: A switched reluctance machine includes a stator body having a stator pole. A bobbin is located on the stator pole. A stator winding is disposed on the bobbin. The switched reluctance machine further includes a first housing unit for receiving the stator body and an insulating member coupled to the first housing unit. The insulating member includes a first mounting element for engaging a first end of the bobbin to secure the bobbin against displacement during machine operation.

Abstract: Disclosed is a motor supporting apparatus of a clothing drier comprising: first and second motor hubs respectively protruding at both sides of a motor; a supporting rib formed at a case for supporting the first motor hub; and a supporting member assembled at a lateral surface of the case by a sliding method for supporting the second motor hub. The apparatus simplifies assembly processes, enhances a mass production characteristic, and simplifies a service performance by improving a motor supporting structure and thereby enabling assembly/disassembly of a motor without disassembling a drum.

Abstract: A stepping motor includes a rotor with a permanent magnet, a rotary shaft extending from the rotor and a stator placed around the rotor. The stepping motor comprises a stator core placed on one end section in a motor axial line direction of the stator, a bearing plate that includes a bearing for rotatably supporting the rotary shaft and is placed at an end section of the stator adjacent to the stator core, and an end plate fixed to an end surface of the stator core on an outer circumference side of the bearing plate. The stator core includes a plurality of salient poles that bend in the motor axial line direction at an inner circumferential edge of the stator core to oppose the permanent magnet, and concave sections that recede in the radial direction and formed between the bent parts of the salient poles.

Abstract: An external rotor motor, suitable for driving a cooling fan, has a structure which facilitates automated assembly with proper angular registration. The rotor has a central shaft which is rotatably supported inside a bearing support tube having a tapered outer surface formed with a circumferential stop and longitudinal guide grooves. An inner stator structure is located radially between the bearing support tube and the rotor. The stator has an internal recess containing a securing ring or disk with inwardly extending tabs. During assembly of the inner stator onto the bearing support tube, the tabs slide in the guide grooves, then bend to form barbs which engage into the outer surface of the bearing support tube, thereby securing the stator on the bearing support tube in a predefined angular orientation. The circumferential stop assures insertion of the bearing support tube to the correct depth.

Abstract: A self-supporting drive module has a support component (1) in which at least one electric motor (2 or 3 or 6) is located. To facilitate the manufacturing process, the electric motor (2 or 3 or 6) is a prefabricated motor module having a separate motor housing (2a or 3a or 6a). The support component (1) can be a drive axle, with at least one drive wheel located on each end of the axle.

Abstract: The present invention provides for a fitted wedge wherein a formed outer frame is loosely fitted into a desired gap. The formed outer frame contains a lateral gap such that the formed outer frame is substantially or completely divided into two halves. A thin, stiff sheet coated with a resin saturated felt is then inserted between the two halves of the outer frame. The two halves are pushed apart, snuggly fitting the formed outer frame into place. The resin in the felt is then cured, forming a single, snuggly fit wedge.

Abstract: In a side-mount type vehicle alternator, the mounting faces of a larger stay and a smaller stay are arranged such that the fictive line, which runs through the center of a mounting hole on the mounting face of the larger stay and the center of the mounting hole on the mounting face of the smaller stay, is on the outside of an outermost surface of a front frame and a rear frame. Thus, the alternator is lifted up from an engine bracket and it is possible to make a large space. Hot air being exhausted from exhaust windows flows smoothly to the outside of the space.

Abstract: A device (10) for mounting an electric motor (18), in particular a fan motor, includes an essentially pot-shaped receptacle housing (12)—functioning as motor housing (32)—with a receiving opening (14) into which at least part of the electric motor (18) extends. A holding flange (34) is attached to the receptacle housing (12) for mounting the motor housing (32) to a carrier element (36), e.g., a motor vehicle heater system and/or air conditioner. A mechanism for immobilizing the electric motor (18) radially and axially in the motor housing (32) is included. The receptacle housing (12) includes at least one resilient-elastic holding element (50, 52, 90) for axial immobilization.