A flexible coupling assembly for a power transmission system including a first shaft defining an axis, configured for connecting to a first rotating member, the first shaft adjoining and passing through a first flexible diaphragm coupling and lockably connecting to a quill shaft by a locking flange and the quill shaft being configured for connecting to a second rotating member, including a first mating portion for receiving the locking flange of the first shaft within a circumferential opening, wherein the quill shaft is disposed within a primary diaphragm coupling shaft.

An overload protection assembly includes a first gear of a servo, a second gear of the servo, defining a receiving space; and a clutch configured to coaxially couple the first gear to the second gear and transmit torque between the first gear and the second gear. The clutch includes an elastic member arranged around the first gear and received in the receiving space. The elastic member includes a number of protrusions at a circumferential surface thereof, and a number of recesses are defined in a lateral surface of the receiving space. The protrusions are used to be respectively engaged with corresponding ones of the recesses so as to couple the firs gear to the second gear when a value of the torque is less than a preset value, and disengageable from the corresponding ones of the recesses so as to disconnect the first gear.

A device is provided for vibration decoupling of two shaft sections having at least one core that has a radial outer contour with radial protruding sections and that is connectable to one of the shaft sections, an outer sleeve that has at least one receiving section, the receiving section having a radial inner contour with radial receiving areas, the outer sleeve having a connecting section for connection to one of the shaft sections, wherein the radial outer contour of and the radial inner contour have a mutually complementary design, wherein the core is accommodated in the receiving section, and wherein at least one first damping layer is situated in the radial direction between the radial inner contour and the radial outer contour, and wherein at least one second damping layer extends in the axial direction between a first end-face surface of the core and the receiving section.

The invention relates to a method for linking an end (9) of a shaft (8) of a tachometer (7) positioned in a landing gear hub (1) and a wheel (2) mounted to rotate on said hub, the method comprising the step of equipping the wheel with a housing (14) suitable for receiving the end of the shaft of a tachometer and driving the shaft in rotation with the wheel, the housing comprising a bearing member (17) protruding inside the housing to be pushed back by the end of the shaft against an elastic member (18) to take up any play between the end of the shaft and the housing. The invention also relates to a bush ensuring application.

A flexible coupling includes a first hub, a flexible insert having a plurality of exterior lobes and a plurality of interior lobes, a retainer having an interior which engages the exterior lobes of the flexible insert, and a second hub having an exterior surface contoured to engage the interior lobes of the flexible insert. Protruding teeth are formed on wings of the second hub and positioned to engage sidewalls of openings formed in an inner lip of the retainer in the event that the flexible insert tears or shears, thereby preventing the second hub from going into a potentially damaging free spin mode.

A decoupler assembly comprises a torque equalizer and a one-way clutch bearing. The torque equalizer comprises an inner member having a rotational axis, an outer member disposed concentrically and surrounding the inner member, and two arcuate spring elements arranged between the inner member and the outer member, and configured to transmit torque between the inner and outer members. The inner member is rotationally displaceable relative to the outer member at least 30 degrees upon compression of the two arcuate spring elements. The one-way clutch bearing is located in the same radial plane as torque equalizer and rotationally connected to the inner member or the outer member. The one-way clutch bearing comprises an outer race, an inner race, and a plurality of individual wedging locking elements that are disposed between the inner and outer races. The decoupler assembly may comprise a single spiral spring element or a rubber-based spring element.

A decoupler assembly comprises a torque equalizer and a one-way clutch bearing. The torque equalizer comprises an inner member having a rotational axis, an outer member disposed concentrically and surrounding the inner member, and two arcuate spring elements arranged between the inner member and the outer member, and configured to transmit torque between the inner and outer members. The inner member is rotationally displaceable relative to the outer member at least 30 degrees upon compression of the two arcuate spring elements. The one-way clutch bearing is located in the same radial plane as torque equalizer and rotationally connected to the inner member or the outer member. The one-way clutch bearing comprises an outer race, an inner race, and a plurality of individual wedging locking elements that are disposed between the inner and outer races. The decoupler assembly may comprise a single spiral spring element or a rubber-based spring element.

In some implementations a drivetrain may include a power source configured to drive a fluid pump. The drivetrain may include the fluid pump. The drivetrain may include a driveshaft configured to transfer power that is output by the power source to the fluid pump. The drivetrain may include a coupling including an elastomeric element, wherein the coupling couples the driveshaft to the power source or to the fluid pump, wherein a rotational stiffness of the elastomeric element is based on one or more resonant frequencies of the drivetrain and an operational speed range of the power source, and wherein the coupling is configured to transfer the power that is output by the power source through the elastomeric element.

A flexible shaft includes first and second shaft portions, first and second angular displacement couplings, and an axial displacement coupling generally extending and centered to a rotational axis. The first shaft portion extends between the first angular displacement coupling and the axial displacement coupling. The second shaft portion extends between the axial displacement coupling and the second angular displacement coupling. The axial displacement coupling includes an outer periphery, first wall attached to and extending radially between the first shaft portion and the periphery, and a second wall attached to and extending radially between the second shaft portion and the periphery. The first and second walls are resiliently flexible to facilitate axial displacement between the first and second shaft portions.

A flexible shaft includes first and second shaft portions, first and second angular displacement couplings, and an axial displacement coupling generally extending and centered to a rotational axis. The first shaft portion extends between the first angular displacement coupling and the axial displacement coupling. The second shaft portion extends between the axial displacement coupling and the second angular displacement coupling. The axial displacement coupling includes an outer periphery, first wall attached to and extending radially between the first shaft portion and the periphery, and a second wall attached to and extending radially between the second shaft portion and the periphery. The first and second walls are resiliently flexible to facilitate axial displacement between the first and second shaft portions.