A hybrid propulsion system for an aircraft is provided that includes a turbine engine, a first electric machine assembly connected to the turbine engine, a second electric machine assembly driven by the first electric machine assembly, and multiple third electric machine assemblies driven by the first electric machine assembly, wherein the multiple third electric machines provide a thrust output to propel the aircraft.

In a hybrid transmission, a traction motor is mounted between a dry clutch module and a manual gearbox. A slave cylinder is mounted within the rotor of the traction motor to reduce axial length. The rotor is fixedly coupled to an engine crankshaft. The stator may be cooled by circulating engine coolant through the housing. The stator and the rotor may be cooled by spraying transmission fluid into a sealed motor cavity.

A powertrain is provided with a combustion engine, a front drive axle, a longitudinal drive shaft, and a rear drive axle, whereby the combustion engine is connected to a front drive axle, the longitudinal drive shaft, and the rear drive axle, such that the combustion engine can be in drive connection with the front drive axle, the longitudinal drive shaft, and the rear drive axle. The rear drive axle is provided with a hybrid drive module that comprises at least one drive unit and a transfer gear set. The transfer gear set comprises an input, an output, and a first connection clutch provided operatively in between the input and the output, whereby the output of the transfer gear set is adapted to be in drive connection with the rear drive axle. The longitudinal drive shaft is provided with a second connection clutch and, the first connection clutch and the second connection clutch are hydraulically controlled and are connected to a same hydraulic circuit.

A mining machine including a bi-directional electrical bus, a power source coupled to the bi-directional electrical bus, a motor coupled to the bi-directional electrical bus, the motor powered by energy available on the bi-directional electrical bus, a kinetic energy storage system coupled to the bi-directional electrical bus and a controller. The controller is configured to communicate with the kinetic energy storage system and the power source. Wherein the controller is configured to operate the kinetic energy storage system as a primary power source for the bi-directional electrical bus and to operate the power source as a secondary power source for the bi-directional electrical bus when the kinetic energy storage system cannot satisfy an energy demand on the bi-directional electrical bus.

A hybrid vehicle comprises an internal combustion engine, a transmission, at least one driving wheel rotationally connected to the transmission, and a coupling arrangement arranged between the internal combustion engine and the transmission, and controllable between a first state in which a drive shaft of the engine is rotationally connected to the transmission and a second state in which the drive shaft of the engine is rotationally disconnected from the transmission. The vehicle further comprises an energy recovery device connected to the coupling arrangement via a flexible driving member for allowing recovery and storage of energy recovered from deceleration of the at least one driving wheel. The vehicle may further comprise a sensor for sensing a parameter value indicative of desired deceleration, and a control unit for controlling the coupling arrangement to the second state when the sensed parameter value indicates desired deceleration of the hybrid vehicle.

An installation structure of a one-way clutch in which torque transmission is limited to one direction includes a flywheel, first and second rotary structures, housing and stopper plates, and a rivet. The first rotary structure is arranged coaxially with the flywheel while connected to an engine block. The second rotary structure is arranged coaxially with the first rotary structure while connected to the flywheel. The housing plate is disposed between the flywheel and the first and second rotary structures and arranged coaxially while connected to the second rotary structure. The stopper plate is attached to the second rotary structure to hold first rotary structure with the housing plate. The rivet fastens the stopper plate, the second rotary structure, and the housing plate. A first clearance between one face of the flywheel and a top face of a head of the rivet is narrower than a thickness of the stopper plate.

A hybrid/electric vehicle power management system in which an Inertial Storage and Recovery System (INSTAR) utilizes an enhanced Flywheel Energy Storage (FES) system to reach higher vehicle efficiencies. INSTAR allows regenerative braking energy surges to be readily stored at high efficiency on the flywheel, whose energy is then converted to power for driving the motors, or charging the batteries at an efficient charging rate.

A system and method are provided for hybrid electric internal combustion engine applications in which a motor-generator, a narrow switchable coupling and a torque transfer unit therebetween are arranged and positioned in the constrained environment at the front of an engine in applications such as commercial vehicles, off-road vehicles and stationary engine installations. The motor-generator is preferably positioned laterally offset from the switchable coupling, which is co-axially-arranged with the front end of the engine crankshaft. The switchable coupling is an integrated unit in which a crankshaft vibration damper, an engine accessory drive pulley and a disengageable clutch overlap such that the axial depth of the clutch-pulley-damper unit is nearly the same as a conventional belt drive pulley and engine damper. The front end motor-generator system includes an electrical energy store that receives electrical energy generated by the motor-generator when the coupling is engaged. When the coupling is disengaged, the motor-generator may drive the pulley portion of the clutch-pulley-damper to drive the engine accessories using energy returned from the energy store, independent of the engine crankshaft.

A mining machine including a bi-directional electrical bus, a power source coupled to the bi-directional electrical bus, a motor coupled to the bi-directional electrical bus, the motor powered by energy available on the bi-directional electrical bus, a kinetic energy storage system coupled to the bi-directional electrical bus and a controller. The controller is configured to communicate with the kinetic energy storage system and the power source. Wherein the controller is configured to operate the kinetic energy storage system as a primary power source for the bi-directional electrical bus and to operate the power source as a secondary power source for the bi-directional electrical bus when the kinetic energy storage system cannot satisfy an energy demand on the bi-directional electrical bus.

Systems, methods, and apparatuses for storing energy in a mining machine. One embodiment provides a haulage vehicle including a bi-directional electrical bus, a power source coupled to the bi-directional electrical bus, a motor coupled to the bi-directional electrical bus and operating a drive mechanism included in the haulage vehicle, a kinetic energy storage system coupled to the bi-directional electrical bus, and a controller configured to communicate with the kinetic energy storage system and the power source. The kinetic energy storage system includes a flywheel and a switched reluctance motor. The controller is configured to operate the kinetic energy storage system as a primary power source for the bi-directional electrical bus and to operate the power source as a secondary power source for the bi-directional electrical bus when the kinetic energy storage system cannot satisfy an energy demand on the bi-directional electrical bus.