Hybrid drive

A hybrid drive comprising:

• an engine power-output shaft of a propulsion drive engine;
• a transmission power-input shaft arranged axially with respect to the engine power-output shaft;
• an engageable clutch, which is arranged coaxially to the rotational center line of the engine power-output shaft and the transmission power-input shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• a first electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• and
• a second electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner, wherein the clutch is arranged at least partially axially and radially within one of the two electric machines.

A hybrid drive comprising:

• an engine power-output shaft of a propulsion drive engine;
• a transmission power-input shaft arranged axially with respect to the engine power-output shaft;
• an engageable clutch, which is arranged coaxially to the rotational center line of the engine power-output shaft and the transmission power-input shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• a first electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• and
• a second electric machine coaxial to the rotational center lines which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner, wherein the clutch is arranged at least partially axially and radially within the second electric machine and is integrated into the second electric machine, a rotor carrier of the second electric machine also being a torque-transmitting part of the clutch.

A hybrid drive comprising:

• an engine power-output shaft of a propulsion drive engine;
• a transmission power-input shaft arranged axially with respect to the engine power-output shaft;
• an engageable clutch, which is arranged coaxially to the rotational center line of the engine power-output shaft and the transmission power-input shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• a first electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• and
• a second electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner, wherein the engine power-output shaft is the crankshaft of a combustion engine.

A hybrid drive comprising:

• an engine power-output shaft of a propulsion drive engine;
• a transmission power-input shaft arranged axially with respect to the engine power-output shaft;
• an engageable clutch, which is arranged coaxially to the rotational center line of the engine power-output shaft and the transmission power-input shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• a first electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• and
• a second electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner, wherein the transmission power-input shaft is a transmission input shaft.

A hybrid drive comprising:

• an engine power-output shaft of a propulsion drive engine;
• a transmission power-input shaft arranged axially with respect to the engine power-output shaft;
• an engageable clutch, which is arranged coaxially to the rotational center line of the engine power-output shaft and the transmission power-input shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• a first electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• and
• a second electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner, wherein the rotor of the second electric machine is rotatably mounted on a non-rotating part, and wherein the rotor of the second electric machine accommodates the transmission power-input shaft.

A hybrid drive comprising:

• an engine power-output shaft of a propulsion drive engine;
• a transmission power-input shaft arranged axially with respect to the engine power-output shaft;
• an engageable clutch, which is arranged coaxially to the rotational center line of the engine power-output shaft and the transmission power-input shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• a first electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• and
• a second electric machine coaxial to the rotational center line which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner, wherein the two electric machines overlap each other axially.

A hybrid drive comprising:

• an engine power-output shaft of a propulsion drive engine;
• a transmission power-input shaft arranged axially with respect the engine power-output shaft;
• an engageable clutch, which is arranged coaxially to the rotational center line of the engine power-output shaft and the transmission power-input shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• a first electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• a second electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner;
• and
• an actuating-oil passage in the transmission power-input shaft for supplying actuating oil to the clutch in order to actuate the clutch.

A hybrid drive comprising:

• an engine power-output shaft of a propulsion drive engine;
• a transmission power-input shaft arranged axially with respect to the engine power-output shaft;
• an engageable clutch, which is arranged coaxially to the rotational center line of the engine power-output shaft and the transmission power-input shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• a first electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• a second electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner;
• and
• at least one cooling-oil passage in the transmission power-input shaft for supplying cooling oil to the clutch.

A method of making a hybrid drive comprising:

• disposing a transmission power-input shaft axially with respect to an engine power-output shaft;
• disposing an engageable clutch coaxially to the rotational center line of the engine power-output shaft and the transmission power input-shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• arranging a first electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• arranging a second electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner;
• and
• providing a torsional vibrational damper, wherein a primary part of the clutch is connectable in a rotationally fixed manner to the engine power-output shaft via the torsional vibration damper, the rotor of the first electric machine being connectable in a torque-transmitting manner to the engine power-output shaft, ahead of the torsional vibration damper in terms of the direction of power transmission of the propulsion drive engine.

A method of making hybrid drive comprising:

• disposing a transmission power-input shaft axially with respect to an engine power-output shaft;
• disposing an engageable clutch coaxially to the rotational center line of the engine power-output shaft and the transmission power-input shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• arranging a first electric machine coaxial the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• arranging a second electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner;
• and
• arranging the clutch at least partially axially and radially within one of the two electric machines.

A method of making hybrid drive comprising:

• disposing a transmission power-input shaft axially with respect to an engine power-output shaft;
• disposing an engageable clutch coaxially to the rotational center line of the engine power-output shaft and the transmission power-input shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• arranging a first electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• arranging a second electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner;
• and
• arranging the clutch at least partially axially and radially with in the second electric machine and is integrated into the second electric machine, a rotor carrier of the second electric machine also being a torque-transmitting part of the clutch.

A method of making a hybrid drive comprising:

• disposing a transmission power-input shaft axially with respect to an engine power-output shaft;
• disposing an engageable clutch coaxially the rotational center line of the engine power-output shaft and the transmission power input shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• arranging a first electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• arranging a second electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner;
• and
• rotatably mounting the rotor of the second electric machine on non-rotating part, wherein the rotor of the second electric machine accommodates the transmission power-input shaft.

A method of making hybrid drive comprising:

• disposing a transmission power-input shaft axially with respect to an engine power-output shaft;
• disposing an engageable clutch coaxially to the rotational center line of the engine power-output shaft and the transmission power-input shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• arranging a first electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• and
• arranging a second electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner, wherein the two electric machines overlap each other axially.

A method of making a hybrid drive comprising:

• disposing a transmission power-input shaft axially with respect to an engine power-output shaft;
• disposing an engageable clutch coaxially to the rotational center line of the engine power-output shaft and the transmission power-input shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• arranging a first electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• arranging a second electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner;
• and
• providing an actuating-oil passage in the transmission power-input shaft for supplying actuating oil to the clutch in order to actuate the clutch.

A method of making hybrid drive comprising:

• disposing a transmission power-input shaft axially with respect to an engine power-output shaft;
• disposing an engageable clutch coaxially to the rotational center line of the engine power-output shaft and the transmission power-input shaft for the purpose of connecting the two shafts in a torque-transmitting manner;
• arranging a first electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the first electric machine being connectable to the engine power-output shaft in a torque-transmitting manner;
• arranging a second electric machine coaxial to the rotational center line, which has a stator and a rotor, the rotor of the second electric machine being connectable to the transmission power-input shaft in a torque-transmitting manner;
• and
• providing at least one cooling-oil passage in the transmission power-input shaft for supplying cooling oil to the clutch.