Method for controlling an air conditioning compressor in a hybrid powertrain, and hybrid powertrain
AssigneeSchaeffler Technologies AG & Co. KG
InventorsMarcus Hoppe, Torsten Pieper
Life of this patent
Estimating the term…
Abstract
A method is provided for controlling an air conditioning compressor in a hybrid powertrain of a motor vehicle. The hybrid powertrain includes an internal combustion engine, a first electric machine, and a second electric machine electric machines and the internal combustion engine are selectively connected to the air conditioning compressor so as to function as a drive of the air conditioning compressor. At least one of the first electric second electric machine, or the internal combustion engine is selected as the drive is selected based on a selection by an occupant of the motor vehicle. The selected drive is actuated to drive the air conditioning compressor.
Claims18
A method for controlling an air conditioning compressor in a hybrid powertrain of a motor vehicle, the hybrid powertrain including an internal combustion engine, a first electric machine, and a second electric machine, the electric machines and the internal combustion engine being selectively connectable to the air conditioning compressor so as to function as a drive of the air conditioning compressor, the method comprising:
- selecting at least one of the first electric machine, the second electric machine, or the internal combustion engine as the drive based on an air conditioning selection by an occupant of the motor vehicle;
- and
- actuating the selected drive to drive the air conditioning compressor, wherein, when a load requirement on the hybrid powertrain exceeds a predetermined threshold, the air conditioning compressor is switched off for a duration of the load requirement.
A hybrid powertrain, comprising:
- an internal combustion engine;
- a first electric machine;
- a second electric machine;
- an air conditioning compressor connected to the second electric machine in a rotationally locked manner;
- a switching device designed to selectively engage a drive for the air conditioning compressor, wherein the drive includes at least one of the first electric machine, the second electric machine, or the internal combustion engine;
- and
- a control unit programmed to:
- select the drive for the air conditioning compressor based on an operating mode of the hybrid powertrain;
- actuate the switching device to engage the selected drive;
- and
- actuate the selected drive to drive the air conditioning compressor, wherein, when a load requirement on the hybrid powertrain exceeds a predetermined threshold, the air conditioning compressor is switched off for a duration of the load requirement.
A hybrid powertrain, comprising:
- an internal combustion engine;
- a first electric machine;
- a second electric machine;
- an air conditioning compressor;
- and
- a clutch engaged with the internal combustion engine, the first electric machine, and the second electric machine, the clutch being designed to selectively engage a drive of the air conditioning compressor;
- wherein the drive includes at least one of the first electric machine, the second electric machine, or the internal combustion engine;
- and
- wherein, when a load requirement on the hybrid powertrain exceeds a predetermined threshold, the air conditioning compressor is switched off for a duration of the load requirement.
Dependencies are inferred from the claim text.