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US 6,145,325 AGranted
Method for operating a motor vehicle air conditioner with a compressor with lubricant circulation
AssigneeDaimlerChrysler AG
InventorsKlaus Hanselmann, Dieter Heinle, Wolfgang Straub
Life of this patent
Estimating the term…
Abstract
A method for operating a motor vehicle air conditioner includes starting a compressor, and lubricating the compressor with a circulating lubricant for at least a specified minimum lubricating time.
Claims7
A method for operating a motor vehicle air conditioner, comprising:
- starting a compressor;
- lubricating the compressor with a circulating lubricant for at least a specified minimum lubricating time;
- and
- selecting the minimum lubricating time as a function of a temperature outside the motor vehicle.
1 more element
A method for operating a motor vehicle air conditioner, comprising:
- starting a compressor;
- lubricating the compressor with a circulating lubricant for at least a specified minimum lubricating time;
- operating the compressor at maximum output at least during a part of the minimum lubricating time;
- and
- then adjusting the compressor output to a value selected by a user.
2 more elements
A motor vehicle air conditioners comprising:
- means for lubricating a compressor with a circulating lubricant for at least a specified minimum lubricating time;
- means for operating the compressor at maximum output at least during a part of the minimum lubricating time;
- and
- means for adjusting the compressor output to a value selected by a user.
1 more element
A motor vehicle air conditioner, comprising:
- an externally regulated compressor;
- a compressor coolant;
- a circulating compressor lubricant added to said compressor coolant;
- means for lubricating the compressor with the circulating lubricant for at least the minimum lubricating time;
- and
- a PT1 element for controlling a transition from a maximum compressor output to a compressor output selected by a user.
3 more elements
Dependencies are inferred from the claim text.