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US 2020/0400155 A1Published application
Partially hollow shaft for hvac compressor
AssigneeDanfoss A/S
InventorsZili Sun, Ruiguo Gao, Stefan Walshe, Aida Rezaei, Dongkoo Shin
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Abstract
This disclosure relates to a compressor having a partially hollow shaft. In particular, an exemplary compressor includes a shaft which is partially hollow, and at least one impeller rotatably coupled to the shaft. The compressor may be a refrigerant compressor used in a heating, ventilation, and air conditioning (HVAC) chiller system.
Claims20
A refrigerant compressor, comprising:
- a shaft, wherein the shaft is partially hollow;
- and
- at least one impeller rotatably coupled to the shaft.
A refrigerant system comprising:
- a main refrigerant loop including a compressor, a condenser, an evaporator, and an expansion device, wherein the compressor includes:
- a shaft, wherein the shaft is partially hollow;
- and
- at least one impeller rotatably coupled to the shaft.
1 more element
Dependencies are inferred from the claim text.