Hybrid system

A hybrid system, comprising:

• a hybrid module including
• an eMachine having a generator mode in which the eMachine generates energy that is stored in an energy storage system, the eMachine having a motor mode in which the eMachine draws energy from the energy storage system to provide torque,
• a clutch providing a connection for transferring torque between an engine and a torque converter of a transmission, the clutch having an engaged state where the torque is able to be transferred between the engine and the torque converter, the clutch having a disengaged state where the torque is unable to be transferred between the engine and the torque converter,
• a rotor hub configured to be mechanically connected to the torque converter, wherein the rotor hub and the torque converter are configured to rotate in unison together,
• a clutch hub configured to be mechanically connected to the engine,
• the clutch including clutch plates disposed between the rotor hub and the clutch hub to transfer torque between the engine and the torque converter when the clutch is in the engaged state,
• the rotor hub defining a piston cavity in which the piston is slidably disposed, the piston dividing the piston cavity into an activation chamber and a deactivation chamber,
• the piston having an offset section bumped out from the rest of the piston in which portions of the piston facing the activation chamber and the deactivation chamber have similar effective areas so that the clutch is centrifugally neutral,
• the clutch including a deactivation fluid passage that supplies fluid to the deactivation chamber, and
• the rotor hub including a spillover gap proximal the deactivation fluid passage that allows excess fluid to spill over to prevent hydrostatic lock of the piston.

A hybrid system, comprising:

• a hybrid module including
• an eMachine having a generator mode in which the eMachine generates energy that is stored in an energy storage system, the eMachine having a motor mode in which the eMachine draws energy from the energy storage system to provide torque,
• a clutch providing a connection for transferring torque between an engine and a torque converter of a transmission, the clutch having an engaged state where the torque is able to be transferred between the engine and the torque converter, the clutch having a disengaged state where the torque is unable to be transferred between the engine and the torque converter,
• a mechanical pump for circulating lubrication in the hybrid module,
• a pump drive gear received around an input shaft for powering the mechanical pump,
• a snap ring holding the pump drive gear in place, and
• a key with a notched portion received under the snap ring to key the pump drive gear in place.

A hybrid system, comprising:

• a hybrid module including
• an eMachine having a generator mode in which the eMachine generates energy that is stored in an energy storage system, the eMachine having a motor mode in which the eMachine draws energy from the energy storage system to provide torque, and
• a clutch providing a connection for transferring torque between an engine and a torque converter of a transmission, the clutch having an engaged state where the torque is able to be transferred between the engine and the torque converter, the clutch having a disengaged state where the torque is unable to be transferred between the engine and the torque converter;
• an adapter ring configured to secure to the torque converter;
• and
• the adapter ring forming a spline-type connection with the hybrid module.

A hybrid system, comprising:

• a hybrid module including
• an eMachine having a generator mode in which the eMachine generates energy that is stored in an energy storage system, the eMachine having a motor mode in which the eMachine draws energy from the energy storage system to provide torque, and
• a clutch providing a connection for transferring torque between an engine and a torque converter of a transmission, the clutch having an engaged state where the torque is able to be transferred between the engine and the torque converter, the clutch having a disengaged state where the torque is unable to be transferred between the engine and the torque converter;
• and
• wherein the hybrid module includes a slinger blade for directing lubrication back into the hybrid module.

A hybrid system, comprising:

• a hybrid module including
• an eMachine having a generator mode in which the eMachine generates energy that is stored in an energy storage system, the eMachine having a motor mode in which the eMachine draws energy from the energy storage system to provide torque,
• a clutch providing a connection for transferring torque between an engine and a torque converter of a transmission, the clutch having an engaged state where the torque is able to be transferred between the engine and the torque converter, the clutch having a disengaged state where the torque is unable to be transferred between the engine and the torque converter,
• a resolver assembly, and
• shielding for shielding the resolver assembly for shielding the resolver assembly from electromagnetic noise.

A hybrid system, comprising:

• a hybrid module including
• an eMachine having a generator mode in which the eMachine generates energy that is stored in an energy storage system, the eMachine having a motor mode in which the eMachine draws energy from the energy storage system to provide torque,
• a clutch providing a connection for transferring torque between an engine and a torque converter of a transmission, the clutch having an engaged state where the torque is able to be transferred between the engine and the torque converter, the clutch having a disengaged state where the torque is unable to be transferred between the engine and the torque converter, and
• a radiator that cools the hybrid module, wherein the radiator for the hybrid module is separate from a radiator for the engine.

A hybrid system, comprising:

• a hybrid module including
• an eMachine having a generator mode in which the eMachine generates energy that is stored in an energy storage system, the eMachine having a motor mode in which the eMachine draws energy from the energy storage system to provide torque,
• a clutch providing a connection for transferring torque between an engine and a torque converter of a transmission, the clutch having an engaged state where the torque is able to be transferred between the engine and the torque converter, the clutch having a disengaged state where the torque is unable to be transferred between the engine and the torque converter,
• a rotor hub configured to be mechanically connected to the torque converter, wherein the rotor hub and the torque converter are configured to rotate in unison together,
• a clutch hub configured to be mechanically connected to the engine,
• the clutch including clutch plates disposed between the rotor hub and the clutch hub to transfer torque between the engine and the torque converter when the clutch is in the engaged state,
• a piston configured to press against the clutch plates to frictionally engage the clutch plates when the clutch is in the engaged state, the piston having a spring recess,
• a piston spring received in the spring recess to bias the piston to the disengaged state,
• the rotor hub defining a piston cavity in which the piston is slidably disposed, the piston dividing the piston cavity into an activation chamber and a deactivation chamber, and
• the piston having an offset section bumped out from the rest of the piston in which portions of the piston facing the activation chamber and the deactivation chamber have similar effective areas so that the clutch is centrifugally neutral.

A hybrid system, comprising:

• a hybrid module including
• an eMachine having a generator mode in which the eMachine generates energy that is stored in an energy storage system, the eMachine having a motor mode in which the eMachine draws energy from the energy storage system to provide torque,
• a clutch providing a connection for transferring torque between an engine and a torque converter of a transmission, the clutch having an engaged state where the torque is able to be transferred between the engine and the torque converter, the clutch having a disengaged state where the torque is unable to be transferred between the engine and the torque converter,
• a rotor hub configured to be mechanically connected to the torque converter, wherein the rotor hub and the torque converter are configured to rotate in unison together,
• a clutch hub configured to be mechanically connected to the engine,
• the clutch including clutch plates disposed between the rotor hub and the clutch hub to transfer torque between the engine and the torque converter when the clutch is in the engaged state,
• an input shaft mechanically connecting the clutch hub to the engine, wherein the input shaft and the clutch hub are connected via a spline-type connection,
• the clutch including a clamp member connected to the rotor hub for bracing the clutch plates, and
• the clamp member having a stop member that extends radially inward to overlap with the clutch hub to create an interference relationship with the clutch hub.