H02K7/081

BRUSHLESS DIRECT-CURRENT ELECTRIC MOTOR FOR A WIPER SYSTEM OF A MOTOR VEHICLE
20190312484 · 2019-10-10 · ·

The invention relates to a geared motor (1) for a wiper system of a motor vehicle, comprising a brushless direct-current electric motor (2) comprising: a rotor (20) comprising magnetic elements (29); a stator (21) comprising coils for the electromagnetic excitation of the rotor; a rotating shaft (22) secured to the rotor; a reducing mechanism (3) connecting the rotating shaft (22) and an output shaft (8) of the geared motor; and a housing (4) forming a protective envelope for the electric motor (2) and said reducing mechanism (3). According to the invention, a bearing (23) guides the rotating shaft (22) on one of the longitudinal ends of the rotating shaft, said bearing (23) being arranged inside the rotor (20) and stator (21) assembly and housed in a recess inside the rotor (20), the envelope of the housing (4) comprising an inwardly projecting part (40) penetrating said inner recess and carrying a seat (41) for said bearing (23).

BLDC WINDOW LIFT MOTOR SYSTEM
20190284860 · 2019-09-19 ·

A powered actuator unit for use in a closure system of a motor vehicle. The powered actuator unit includes a common housing configured to house a brushless DC (BLDC) electronic motor unit, a gear drive unit, a shift support arrangement, and a controller arrangement. The motor unit has a stator unit that includes a plurality of electromagnetic subassemblies each having a carrier and a winding unit. The carrier includes an outer ring segment being planar and an inner ring segment being arcuate and a web segment interconnecting the outer ring segment and the inner ring segment and the plurality of electromagnetic subassemblies are each adapted to abut one another in an annular arrangement upon assembly. The outer ring segments define an outer peripheral surface of the stator unit having a polygonal cross-section and the inner ring segments define a rotor cavity having a circular cross-section.

DRIVE DEVICE FOR A WINDOW LIFT, HAVING A BEARING ELEMENT FOR FIXING A STATOR IN A HOUSING

A drive device for adjusting a covering element of a vehicle, in particular for a window lift apparatus, comprises: an output element for adjusting the covering element; a motor unit, which has an electric motor with a stator, a rotor and an input shaft, which is connected to the rotor and is rotatable about a shaft axis, for driving the output element; and a drive housing, which at least partially encloses the motor unit. The stator is connected via a bearing element to a stationary housing section of the drive housing, wherein the bearing element has a bearing opening in which the input shaft is supported such that it can rotate relative to the stator. In this manner, a drive device is provided which can have favorable operating behavior and provide sufficient torque while having a compact structure.

Speed reducer for vehicle
10400861 · 2019-09-03 · ·

The speed reducer includes: a gear housing to enclose a worm wheel and a worm shaft and including one of a first magnetic member and a second magnetic member, which generate attractive force or repulsive force therebetween as current is applied to a position facing the worm shaft in an axial direction; a first bearing coupled to an end of the worm shaft at an opposite side to a motor shaft-coupling portion; and a moving member coupled, at one side thereof, to an outer race of the first bearing and including, at a remaining side thereof, a remaining one of the first and second magnetic members, so that the moving member is axially moved according to the attractive force or the repulsive force.

Electric pipe expander, chuck structure for electric pipe expander, and control circuit for electric pipe expander

An electric pipe expander and intelligent control circuit for the electric pipe expander are provided The electric pipe expander includes a pipe expander body and a mandrel sliding cavity disposed on the pipe expander body. A chuck body capable of clamping a pipe to be processed is disposed at an opening end of the mandrel sliding cavity. A mandrel is slidingly connected in the mandrel sliding cavity, an outer side end of the mandrel is provided with an obliquely disposed pipe expanding cone, an inner side end of the mandrel is provided with an elastic body accommodating cavity. Flat keys are disposed on the mandrel, and an elastic body is clamped and disposed between the flat keys and a bottom surface of the elastic body accommodating cavity.

COMPACT GEAR MOTOR
20190252944 · 2019-08-15 · ·

The disclosure relates to a gear motor made of a housing enclosing an electric motor driving a reduction gear train having at least one intermediate gear and an output wheel, including an output wheel made of a single piece having a tooth crown on either side of which extend cylindrical axial extensions which are each held by the housing, each one of the extensions having at its respective end a coupling with an external drive element. The output wheel is coaxial with a toothed wheel constituting one of the intermediate gears, the toothed wheel being able to rotate freely in relation to one of the axial extensions.

BLDC window lift motor system

A powered actuator unit for use in a closure system of a motor vehicle. The powered actuator unit includes a common housing configured to house a brushless DC (BLDC) electronic motor unit, a gear drive unit, a shift support arrangement, and a controller arrangement. The motor unit has a stator unit that includes a plurality of electromagnetic subassemblies each having a carrier and a winding unit. The carrier includes an outer ring segment being planar and an inner ring segment being arcuate and a web segment interconnecting the outer ring segment and the inner ring segment and the plurality of electromagnetic subassemblies are each adapted to abut one another in an annular arrangement upon assembly. The outer ring segments define an outer peripheral surface of the stator unit having a polygonal cross-section and the inner ring segments define a rotor cavity having a circular cross-section.

Linear actuator
12005435 · 2024-06-11 ·

A linear actuator (10) for use in a modular assembly of such actuators comprises an actuator body (11), a shaft (12) guided by the body to be displaceable relative thereto in the sense of the longitudinal axis (13) of the shaft and a drive motor enclosed in the body and operable to axially displace the shaft relative to the body in two mutually opposite directions. The body has two mutually opposite sides (15a, 15b) respectively lying in two substantial parallel spaced-apart planes, which each represent a reference plane for positioning the body side-by-side with the body of another such actuator, and a further side (17b) connecting the two mutually opposite sides and stepped to form a projection (18) receiving the shaft (12) with the axis (13) parallel to the two planes and a rebate (19) beside the projection to permit the body to interlock with the body of another such actuator at that further side. The projection (18) and rebate (19) are of substantially the same width in the sense of the spacing of the two planes and the shaft (12) is disposed substantially centrally of the projection (18) so that when the body (11) is interlocked with that of another such actuator the pitch of the shaft axes (13) is equal to that width.

COMPACT SERVO
20190097491 · 2019-03-28 ·

A servo includes a housing, a motor, a printed circuit board (PCB) and a servo output shaft that are accommodated within the housing. The motor is electrically connected to the PCB. The housing has a lateral side defining a cutout. The servo further includes a gear transmission mechanism and an output arm. The gear transmission mechanism is used to connect a motor output shaft of the motor to the servo output shaft. The output arm has an end that is arranged within the housing at a substantially central position and connected to the servo output shaft, and another end extending out of the housing to connect with an external component.

Closing plate and windscreen wiper drive motor device for a motor vehicle

The invention relates to a closing plate (3) for a windscreen wiper drive motor device (1) for a motor vehicle, said device (1) being of the type comprising a support (2), a shaft (5) being received therein, said shaft bearing an endless screw (6) which is capable of being driven in rotation by a motor (7), and being of the type in which said support (2) comprises a bush mounting (17) for receiving a bush (18) which is capable of supporting one end (5a) of the shaft (5), said plate (3) comprising a base (14) which is capable of closing said support (2), the closing plate (3) being characterized in that it comprises a closing tongue (20) which is made of the same material as the base (14) and serves as a water deflector for an orifice (19) formed in the end of the bush mounting (17) in the axis of rotation of the shaft (5). The inventor further relates to a windscreen wiper drive motor device for a motor vehicle comprising a closing plate.