An embodiment hybrid powertrain for a vehicle includes a first input shaft configured to be interlocked with an engine, a second input shaft configured to be interlocked with a first motor and to be parallel to the first input shaft, a third input shaft configured to be interlocked with a second motor and to be parallel to the second input shaft, an output shaft mounted parallel to the third input shaft, a first selective mesh device configured to transmit power from the second input shaft to the output shaft at multiple different gear ratios, a second selective mesh device configured to transmit the power from the third input shaft to the output shaft at the multiple different gear ratios, and a third selective mesh device configured to transmit the power from the first input shaft to the second input shaft or the third input shaft.

To provide a drive system for a hybrid vehicle capable of suppressing energy loss by slip control at a start of an internal combustion engine during electric vehicle (EV) travel, a power transmission system for the hybrid vehicle is configured to couple an internal combustion engine, an electric motor, and a transmission by planetary gear mechanisms, has a brake that engages and disengages the internal combustion engine with and from a case, engages the brake during EV travel in which only the electric motor is used as a drive source, and is configured to start the internal combustion engine by disengaging the brake at the time of switching from the EV travel to hybrid vehicle (HEV) travel in which the internal combustion engine and the electric motor are used as drive sources.

To provide a drive system for a hybrid vehicle capable of suppressing energy loss by slip control at a start of an internal combustion engine during electric vehicle (EV) travel, a power transmission system for the hybrid vehicle is configured to couple an internal combustion engine, an electric motor, and a transmission by planetary gear mechanisms, has a brake that engages and disengages the internal combustion engine with and from a case, engages the brake during EV travel in which only the electric motor is used as a drive source, and is configured to start the internal combustion engine by disengaging the brake at the time of switching from the EV travel to hybrid vehicle (HEV) travel in which the internal combustion engine and the electric motor are used as drive sources.

The present disclosure relates to a hybrid electric vehicle in which powertrain noise may be controlled to improve the voice command recognition performance of the vehicle control system and also improve the driver’s experience with the audio guidance system, and a method for supporting audio input/output function for the same. A method of supporting audio input/output for a hybrid electric vehicle may include: determining a first condition for audio input/output function and a second condition for inside noise level; and performing a noise reduction control by inducing an engine-off state based on a current drive mode and further based on the first and the second conditions being satisfied.

This disclosure details cooling systems for cooling electric components, such as electric machines, within electrified vehicles. Exemplary cooling systems may include a spray bar positioned relative to a rear face of a stator of the electric machine. In some embodiments, the spray bar may be positioned axially between the rear face of the stator and a torque converter housing. One or more nozzles of the spray bar are configured to direct a coolant between adjacent back irons of the stator, onto end windings of the stator, or both. Actively cooling the stator allows the electric machine to operate at higher torques and speeds, thereby increasing performance.

A hybrid drive unit (HY, G) for a motor vehicle includes a housing (GG), in which a torque converter (TC) and an electric machine (EM) are accommodated. The electric machine (EM) and the torque converter (TC) are arranged directly next to each other such that the electric machine (EM) is arranged at a first face end (TC1) of the torque converter housing (TCG). An oil guide shell (LS) at least partially encompasses a section of the torque converter (TC). The oil guide shell (LS) has an L-shaped cross-section including a first section (LS1) and a second section (LS2) and is arranged in such that the first section (LS1) partially encompasses a second face end (TC2) of the torque converter housing (TCG) and the second section (LS2) partially encompasses a circumferential surface of the torque converter housing (TCG).

A control apparatus for a hybrid vehicle includes an engine that combusts fuel to generate power. A drive motor assists the engine power and selectively operates as a generator to generate electrical energy. A clutch is disposed between the engine and drive motor. A battery supplies electrical energy to the drive motor or is charged by the generated electrical energy. A DC converter transforms a DC from the battery. An electric supercharger supplies supercharged air to the engine. A controller determines an optimal air amount to maximize system efficiency based on a drive motor limited output value determined by a battery SOC, and determines an output drive motor power output and an output engine power output based on the optimal air amount when an atmospheric pressure is less than a predetermined pressure, intake temperature is greater than a predetermined temperature and the SOC is less than a predetermined value.

A hybrid module for a motor vehicle for coupling an internal combustion engine includes a disconnect clutch, an electrical machine, a clutch, a dry space and a wet space, and a seal. The disconnect clutch is for transmitting a first torque from the internal combustion engine to the hybrid module, and disconnecting the hybrid module from the internal combustion engine. The electrical machine is for generating a drive torque and includes a rotor. The clutch is for transmitting a second torque from the electrical machine or the disconnect clutch to a drivetrain. The seal is for sealing off the dry space with respect to the wet space. A one of the disconnect clutch or the clutch is a dry clutch in the dry space and the other of the disconnect clutch or the clutch is a wet clutch in the wet space.

A hybrid module for a motor vehicle for coupling an internal combustion engine includes a disconnect clutch, an electrical machine, a clutch, a dry space and a wet space, and a seal. The disconnect clutch is for transmitting a first torque from the internal combustion engine to the hybrid module, and disconnecting the hybrid module from the internal combustion engine. The electrical machine is for generating a drive torque and includes a rotor. The clutch is for transmitting a second torque from the electrical machine or the disconnect clutch to a drivetrain. The seal is for sealing off the dry space with respect to the wet space. A one of the disconnect clutch or the clutch is a dry clutch in the dry space and the other of the disconnect clutch or the clutch is a wet clutch in the wet space.

A transmission system includes a transmission housing and a countershaft having no less than two gears, with the gears defining a plurality of gear ratios. The transmission system also includes a module housing, a first output shaft rotatably coupled to the countershaft, and a second output shaft rotatably coupled to the countershaft. The transmission system further includes a first clutch configured to selectively rotatably couple the first output shaft to the countershaft. The transmission system also includes a second clutch configured to selectively rotatably couple the second output shaft to the countershaft. The transmission system further includes an electric machine configured to deliver rotational power to at least one of the first and second output shafts to deliver rotational power to the countershaft. The countershaft is rotatably coupled to either of the first and second output shafts for all of the gear ratios.