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US 2007/0224068 A1Published application
Ductile cast iron scroll compressor
AssigneeScroll Technologies
InventorZili Sun
Life of this patent
Estimating the term…
Abstract
A scroll compressor includes a scroll member having a base and a generally spiral wrap that extends from the base to define a portion of a compression chamber. The scroll member is made of a cast iron material comprising a microstructure having graphite nodules.
Claims19
A scroll compressor comprising:
- a scroll member having a base and a generally spiral wrap that extends from said base to define at least a portion of a compression chamber, wherein said scroll member comprises a microstructure having graphite nodules;
- and
- an ether-based lubricant that coats at least a portion of said scroll member.
A scroll compressor comprising:
- a pair of scroll members that each include a base and a generally spiral wrap that extends from said base, said spiral wraps inter-fit to define a compression chamber, wherein at least one of said pair of scroll members comprises a microstructure having graphite nodules;
- a motor-driven shaft that is operative to drive at least one of said pair of scroll members;
- three plain bearings that support said shaft;
- and
- an ether-based lubricant that coats at least one of said bearings.
2 more elements
Dependencies are inferred from the claim text.