A differential device is provided with an outer case receiving torque; a differential gear set so geared as to allow differential motion between first and second axles; a clutch including an inner case supporting the differential gear set, and a clutch ring drivingly engaged with the outer case to transmit the torque from the outer case and axially movable to disconnectably connect with the inner case, the clutch ring having an end section led out of the outer case; a first spring creating a repulsive force in a disconnecting direction; a second spring creating a repulsive force in a connecting direction; and an actuator including a plunger so disposed as to exert a thrust force axially on the end section of the clutch ring, and a solenoid driving the plunger in a direction to make the clutch ring disconnect from or connect with the inner case.

A rotary power tool including a gear case, an output shaft extending from the gear case, and a drive mechanism configured to provide torque to the output shaft, causing the output shaft to rotate. The rotary power tool further includes a clutch mechanism between the output shaft and the drive mechanism. The clutch mechanism includes a compression spring and is configured to limit the amount of torque provided by the output shaft. The rotary power tool further includes a sensor positioned on a neck portion of the gear case subject to strain imparted by the compression spring, and an electronic control unit configured to receive an output signal from the strain gauge and determine a torque setting of the clutch mechanism based on the output signal.

A rotary power tool including a gear case, an output shaft extending from the gear case, and a drive mechanism configured to provide torque to the output shaft, causing the output shaft to rotate. The rotary power tool further includes a clutch mechanism between the output shaft and the drive mechanism. The clutch mechanism includes a compression spring and is configured to limit the amount of torque provided by the output shaft. The rotary power tool further includes a sensor positioned on a neck portion of the gear case subject to strain imparted by the compression spring, and an electronic control unit configured to receive an output signal from the strain gauge and determine a torque setting of the clutch mechanism based on the output signal.

A vehicle transfer case is provided including input and output shafts mounted within a housing, a secondary shaft selectively driven by the output shaft, a first hub having an inner diameter splined section having a first extreme neutral position with exclusive torsional engagement with the output shaft, and in a second intermediate high position having torsional engagement with the output shaft and input shafts, and in a third extreme low position having exclusive torsional engagement with the input shaft. A second hub is provided, rotatably mounted on the first hub and axially fixed therewith. The second hub is torsionally fixed to the output shaft, and a shift fork is provided to translate the second hub. A planetary gear set is provided, having a ring gear, a plurality of planet gears connected to each other by a carrier and a sun gear; and wherein in the extreme neutral position the output shaft is disengaged from the input shaft, and in the second intermediate position the input shaft is directly connected to the output shaft without rotating the planetary gear set, and in the extreme third position the first hub torsionally connects the input shaft to the sun gear, and the second hub is connected with the carrier.

A clutch assembly comprises a housing; a first drive part rotatingly drivable around an axis of rotation; a second drive part rotatable relative to the first drive part; a clutch which is arranged in the power path between the first drive part and the second drive part and which comprises a first clutch part which is connected to the first drive part in a rotationally fixed and axially movable way and a second clutch part which is drivingly connected to the second drive part; a controllable actuator for actuating the clutch; a sensor unit for determining a position signal which represents the axial position of the first clutch part, wherein the sensor unit comprises a target element which is at least indirectly connected to the first clutch part, and a sensor connected to the housing for recording a position of the target element; and adjusting means for adjusting the position of the sensor relative to the housing.

A clutch assembly comprises a housing; a first drive part rotatingly drivable around an axis of rotation; a second drive part rotatable relative to the first drive part; a clutch which is arranged in the power path between the first drive part and the second drive part and which comprises a first clutch part which is connected to the first drive part in a rotationally fixed and axially movable way and a second clutch part which is drivingly connected to the second drive part; a controllable actuator for actuating the clutch; a sensor unit for determining a position signal which represents the axial position of the first clutch part, wherein the sensor unit comprises a target element which is at least indirectly connected to the first clutch part, and a sensor connected to the housing for recording a position of the target element; and adjusting means for adjusting the position of the sensor relative to the housing.

A modular clutch assembly with two independent power sources and a connection with an output device. The two independent power sources and the output device can take many different forms. The modular clutch assembly has a housing that connects the two power sources with the output device and controls power transfer using an inner clutch and an upper clutch. There is further provided an output hub connected to the output device, where the output hub extends into the modular clutch assembly for selective rotation. The output device in one exemplary embodiment of the invention is a transmission of a vehicle.

A modular clutch assembly with two independent power sources and a connection with an output device. The two independent power sources and the output device can take many different forms. The modular clutch assembly has a housing that connects the two power sources with the output device and controls power transfer using an inner clutch and an upper clutch. There is further provided an output hub connected to the output device, where the output hub extends into the modular clutch assembly for selective rotation. The output device in one exemplary embodiment of the invention is a transmission of a vehicle.

A control device for a vehicle is provided. The control device includes an electronic control unit that is configured to: exert the torque of an input member on a fixed member and a rotating member such that the fixed member and the rotating member are separated from each other, when the thrust is exerted for making the engagement teeth mesh with each other; estimate an inclination angle of tooth surfaces based on a relative movement amount between the fixed member and the rotating member, and a relative rotational amount between the fixed member and the rotating member; estimate a frictional coefficient of the tooth surfaces based on the inclination angle; and control the thrust of the actuator according to the frictional coefficient.

The invention relates to an aircraft flight control column device (1) comprising: a casing (2) for attaching to an aircraft structure; an output shaft (3) for connecting to a flight control column (56), the output shaft (3) being mounted such that it rotates in relation to the casing (2); a primary group (4) comprising a first torque-generating body (7, 8) for applying a first torque to the output shaft (3); a secondary group (5) comprising a second torque-generating body (7, 8) for applying a second torque to the output shaft (3); and a clutch for selectively connecting the primary group (4) and the secondary group (5) to the output shaft (3).