F16H57/0409

Method of making an electric drive unit having a gear shaft and rotor shaft with three bearings

An electric drive unit and method of assembling the same is disclosed. The electric drive unit includes a rotor having a rotor shaft, and gear shaft, where the rotor shaft is inserted into the gear shaft. The gear shaft is supported by two bearings, while the rotor shaft supported directly at one end by a bearing and at the other by the gear shaft. A wave spring is also disclosed that provides an axial loading to the rotor shaft. Also disclosed is a balancing ring secured to an end of the rotor via a locknut. The balancing ring can be machined in order to balance the rotor. The rotor shaft can be connected to the gear shaft via a spline connection. The rotor shaft can bear against the gear shaft via a pilot journal and pilot bore defined on the rotor shaft and gear shaft respectively.

Oil collector for a torque transmission device of an aircraft turbine engine

An oil collector for a torque transmission device of an aircraft turbine engine, this oil collector being configured to collect sprayed oil, wherein it includes at least one wall formed at least in part by a mesh structure, and at least one recovery device located at one end of the wall and configured to recover the oil captured by the wall and intended to flow from this wall to the recovery device.

Systems and methods for suspending a lubricant in a marine propulsion device

A system for suspending a lubricant in a marine propulsion device having a gearcase, the gearcase defining a gearset cavity for containing a propeller shaft gearset rotated by a driveshaft. The system includes a pump device configured to pump the lubricant away from the gearset cavity, and a reservoir located away from the gearset cavity and configured to receive the lubricant from the pump device. An input passage conveys the lubricant from the pump device to the reservoir, and an output passage conveys the lubricant from the reservoir to the gearset cavity. The reservoir is configured to retain a portion of the lubricant circulating between the gearset cavity and the reservoir.

TRANSMISSION INTEGRATED POWER TAKE OFF FOR COMMERCIAL VEHICLE TRANSMISSION
20230191906 · 2023-06-22 ·

A rear mount power take-off for a transmission includes a housing assembly configured to be mounted in an opening in the transmission. A power take-off shaft includes an externally splined end extending into an opening in the housing assembly and is configured to be driven by a component of the transmission. A guide sleeve is received in the housing assembly and includes an exterior shoulder opposing an interior retaining shoulder of the housing assembly, the guide sleeve further including an interior shoulder. A spring biases the guide sleeve against the interior retaining shoulder of the housing assembly. A coupler sleeve is secured to an interior of the guide sleeve and includes a first internal spline for selective engagement with the externally splined end of the power take-off input shaft and a second internal spline configured to engage a power take-off device.

Electric drive unit and drive axle system

An electric drive unit and a drive axle system having an electric drive unit. The drive axle system also includes a drive shaft and an axle assembly that that is remotely positioned from the electric drive unit. The drive shaft operatively connects the electric drive unit to the axle assembly.

HYDROMECHANICAL AUTOMATIC GEARBOX AND THE VEHICLE USING THE SAME

A vehicle comprises a hydromechanical automatic gearbox, an automatic gear shift unit (12) connected to a pressure fluid feeding pump (15). The gearbox comprises an input shaft (4) extending from an engine, gearing (23) extending to each gear step, wherein the gearing (23) is mounted on the input shaft (4) and is as a central gear (2), located on the input shaft (4), meshing with gear wheels (3) of different gear steps having different diameters mounted on the input shaft (4) of a single hydraulic torque converter (5) comprising a pump (6) and a turbine (8) located accordingly on the input (4) and output (7) shafts thereof forming a flow path of pressure fluid, each of the hydraulic torque converter (5) is electronically and hydraulically linked to the gear shift unit (12) of the vehicle.

Rotary-member lubricating structure

A rotary-member lubricating structure includes a housing, a baffle portion, a support portion, and a bolt. The baffle portion has a shape conforming to a shape of a rotary member included in a speed-changing mechanism and covers the rotary member to collect or discharge scattered lubricating oil. The baffle portion includes a first partial baffle portion provided on a first side of the rotary member and a second partial baffle portion provided on a second side of the rotary member. The first partial baffle portion has a protrusion protruding radially outward from an outer circumference of the baffle portion and a fastening hole provided in the protrusion and extending through the first partial baffle portion in an axial direction of the rotary member. The second partial baffle portion has a filling portion to fill a recess in the first partial baffle portion provided due to the protrusion.

LUBRICATING LIQUID MANIFOLD FOR A CRANKPIN OF AN EPICYCLIC GEAR TRAIN, GEARBOX AND AIRCRAFT

A lubricating liquid manifold for a crankpin of an epicyclic gear train. The epicyclic gear train is lubricated by a lubrication system conveying a first flow of a lubricating liquid towards the manifold and a second flow of the lubricating liquid towards a member to be lubricated. The manifold comprises a hollow body provided with an inlet port intended to receive the first flow and an outlet port designed such that the first flow is conveyed towards a guide device connected to the crankpin. The manifold comprises a barrier comprising a shoulder connected to the body and a deflector protruding radially outwards from the body so as to form, with the shoulder, a diversion space for diverting the second flow and preventing it from penetrating into the manifold.

BRAKE DEVICE OF TRANSMISSION
20170276235 · 2017-09-28 ·

A brake device of a transmission according to the present invention includes: a rotary-side holding member including an inner peripheral surface having a cylindrical surface shape about an axis extending in a forward/rearward direction and configured to hold a rotary-side friction plate on the inner peripheral surface; a fixed-side holding member including an outer peripheral surface having a cylindrical surface shape about the axis extending in the forward/rearward direction and configured to hold a fixed-side friction plate on the outer peripheral surface; and a lubricating oil supply portion supplying lubricating oil to the fixed-side friction plate and the rotary-side friction plate. The fixed-side holding member is provided in a transmission casing so as not to rotate. The rotary-side holding member is provided in the transmission casing at a radially outer side of the fixed-side holding member and is rotatable about a central axis of the inner peripheral surface.

OIL-DRAIN DEVICE FOR THRUST BEARING DEVICE AND TURBOCHARGER PROVIDED WITH THE SAME

An oil-drain device for a thrust bearing includes: a rotor shaft; a collar member mounted to an outer periphery of the rotor shaft; a thrust bearing supporting the rotor shaft in an axial direction; and an oil-drain space forming member defining an oil-drain space through which lubricant oil leaking from a sliding portion of the thrust bearing flows, between the thrust bearing and the oil-drain space forming member. The oil-drain space includes: an oil-drain channel defined between a first end surface of the thrust bearing and a first end surface of the oil-drain space forming member, surrounding the flange portion of the collar member; and an oil-drain port formed below the oil-drain channel, for discharging the lubricant oil flowing through the oil-drain channel outside the oil-drain space. The oil-drain space is configured to guide the lubricant oil flowing through the oil-drain channel to outside the oil-drain space via the oil-drain port, along a flow direction of the lubricant oil flowing through the oil-drain channel from an upstream side toward a downstream side in a rotational direction of the rotor shaft.