E05F15/697

WINDOW REGULATOR
20230048744 · 2023-02-16 ·

A window regulator includes a carrier plate to support a window glass of a vehicle, a guide rail along an ascending/descending direction of the window glass to slidably support the carrier plate, a wire to pull the carrier plate, a driving portion arranged at one end of the guide rail in the ascending/descending direction to drive the wire, and a turnaround portion arranged at an other end of the guide rail in the ascending/descending direction to turn the wire around. The wire arranged between the turnaround portion and the carrier plate is positioned shifted from the guide rail. The wire arranged between the driving portion and the turnaround portion is positioned on the guide rail to push and contact the guide rail.

Torque current limiting vector control system and method for window regulator brushless motor
11533010 · 2022-12-20 · ·

A motor control system for controlling a brushless electric motor of a power operated actuator of a closure panel of a vehicle and method of operating the control system are provided. The control system includes a vector control system configured to receive a torque current based on a measured angular velocity of the motor and current of each of the phases and determine corresponding stationary reference frame voltages. The vector control system outputs pulse width modulation signals to the motor. A vector torque current limiter couples to the vector control system and the motor and is configured to determine the torque current drawn, receive the measured angular velocity and determine whether there is a reduction of the measured angular velocity and detects a pinch event and reduces the torque current in response to determining there is a reduction of the measured angular velocity of the brushless electric motor.

Torque current limiting vector control system and method for window regulator brushless motor
11533010 · 2022-12-20 · ·

A motor control system for controlling a brushless electric motor of a power operated actuator of a closure panel of a vehicle and method of operating the control system are provided. The control system includes a vector control system configured to receive a torque current based on a measured angular velocity of the motor and current of each of the phases and determine corresponding stationary reference frame voltages. The vector control system outputs pulse width modulation signals to the motor. A vector torque current limiter couples to the vector control system and the motor and is configured to determine the torque current drawn, receive the measured angular velocity and determine whether there is a reduction of the measured angular velocity and detects a pinch event and reduces the torque current in response to determining there is a reduction of the measured angular velocity of the brushless electric motor.

ASSEMBLY OF AN ADJUSTMENT DEVICE OF A MOTOR VEHICLE AND WINDOW OPENER HAVING THE ASSEMBLY
20220379824 · 2022-12-01 ·

An assembly of an adjustment device of a motor vehicle includes a support plate, on which at least one guide rail is disposed. A driver is movably guided on the guide rail, for a functionalized windowpane, in particular an electrically switchable or controllable windowpane. A flexible component is provided for guiding a cable which is connected or can be connected to the functionalized windowpane, in particular for conducting a current and/or for controlling the functionalized windowpane. A window opener of a motor vehicle having the assembly is also provided.

SPRING-ASSISTED ROTARY ACTUATOR
20220349239 · 2022-11-03 ·

The present disclosure may be embodied as a rotary actuator for lifting a load against gravity. The actuator includes a housing and a drive motor attached to the housing. The drive motor has a drive shaft. The drive shaft may be configured to be manually operated. A rotatable output shaft is attached to the housing and in mechanical communication with drive shaft. The actuator includes at least one spring which is configured to act on the output shaft to at least partially offset a weight of the load. The at least one spring may be a torsion spring. The at least one spring may be configured to unwind when the motor is driven to lift the load, and may be configured to be wound when the motor is driven to lower the load. The at least one spring may comprise a plurality of springs, such as torsion springs.

Anti-pinch method for an apparatus for automatic movement of sliding windows in a motor vehicle, in particular a power-window apparatus, and corresponding device

An anti-pinch method for an apparatus for automatic movement of sliding windows including the steps of: receiving at least one electrical quantity (e.sub.a, i.sub.a) of the motor (M); counting (R.sub.c) oscillation periods (R.sub.d) of the at least one electrical quantity (e.sub.a, i.sub.a); calculating an angular position (θ(t)) of the motor (M) as a function of the number of periods (R.sub.c) of the electrical quantity (e.sub.a, i.sub.a); calculating a position of the window (F) as a function of said angular position (θ(t)) of the motor (M); and reversing the direction of rotation of the motor (M) if the position of the window (F) falls within an anti-pinch zone (APZ) and the movement of the motor (M) is at least partially blocked.

Anti-pinch method for an apparatus for automatic movement of sliding windows in a motor vehicle, in particular a power-window apparatus, and corresponding device

An anti-pinch method for an apparatus for automatic movement of sliding windows including the steps of: receiving at least one electrical quantity (e.sub.a, i.sub.a) of the motor (M); counting (R.sub.c) oscillation periods (R.sub.d) of the at least one electrical quantity (e.sub.a, i.sub.a); calculating an angular position (θ(t)) of the motor (M) as a function of the number of periods (R.sub.c) of the electrical quantity (e.sub.a, i.sub.a); calculating a position of the window (F) as a function of said angular position (θ(t)) of the motor (M); and reversing the direction of rotation of the motor (M) if the position of the window (F) falls within an anti-pinch zone (APZ) and the movement of the motor (M) is at least partially blocked.

REVERSE ROTATION PREVENTION MECHANISM AND MOTOR WITH REDUCER
20170350182 · 2017-12-07 ·

A reverse rotation prevention mechanism is provided on a torque transmission path between an output shaft and a driving shaft of a motor. The reverse rotation prevention mechanism includes: a first frictional force generation unit configured to inhibit a lock plate provided on the torque transmission path from rotating relative to another member when an external force is exerted on the output shaft; and a second frictional force generation unit configured to generate a braking force that prevents reverse rotation when an external force is exerted on the output shaft by causing a portion of the lock plate to be pressed. The first frictional force generation unit is provided in an area different from the second frictional force generation unit.

REVERSE ROTATION PREVENTION MECHANISM AND MOTOR WITH REDUCER
20170350182 · 2017-12-07 ·

A reverse rotation prevention mechanism is provided on a torque transmission path between an output shaft and a driving shaft of a motor. The reverse rotation prevention mechanism includes: a first frictional force generation unit configured to inhibit a lock plate provided on the torque transmission path from rotating relative to another member when an external force is exerted on the output shaft; and a second frictional force generation unit configured to generate a braking force that prevents reverse rotation when an external force is exerted on the output shaft by causing a portion of the lock plate to be pressed. The first frictional force generation unit is provided in an area different from the second frictional force generation unit.

DRIVE DEVICE HAVING A BRUSHLESS ELECTRIC MOTOR
20230179035 · 2023-06-08 ·

A drive device has a transmission housing with an external rotor-type electric motor. The electric motor is coupled to the transmission and is actuated by a motor electronic unit. The electric motor has a stator and a rotor which circulates about the stator and is connected to a drive shaft that is guided through a stator bushing with a first sleeve section for holding the stator bushing in the transmission housing in a rotationally fixed manner and with a second sleeve section. A groove frame insulation which surrounds the stator teeth in the axial direction is placed on the second sleeve section. An annular element which is arranged between the first sleeve section and the groove frame insulation and which has a joint element is placed on the second sleeve section of the stator bushing. The joint element engages into a joint contour of the first sleeve section.