Compressors including polymeric components
AssigneeSabic Global Technologies B.V.
InventorsBrian Jason Rice, Marcos Fernando Borges, Andrew May, Donald W. DeMello, Haralur Gurulingamurthy, Shawn William Lee, Ernest Caldwell, Walter Thompson
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Abstract
Improvements in compressor manufacture are achieved by utilizing polymeric components which retain at least 90% of their dimensions after being exposed to a mixture of refrigerants and/or lubricants for 30 days at 60° C. Polymeric materials include (i) polyetherimides, (ii) polyphenylene sulfides, (iii) polyketones, (iv) polysulfones, (v) liquid crystal polymers, and (vi) combinations thereof. Metal coatings on the polymers are the preferred embodiments for housings.
Claims27
A compressing member comprising:
- an element comprising a polymeric polyetherimide material selected from the group consisting of (i) silicone polyetherimides and (ii) silicone polyetherimides in combination with polyetherimide sulfones, which polymeric material retains at least 90% of its dimensions after being exposed to a mixture of at least one lubricant and at least one refrigerant for 30 days at temperatures of 60 degrees Celsius, wherein the polymeric material is configured to have at least one reinforcing shape selected from the group consisting of a rib, a boss, a flange, a hoop and combinations thereof.
A compressor, said compressor comprising:
- (1) a motor element;
- (2) a compressing member;
- wherein the compressing member comprising at least one component comprising a polymeric silicone polyetherimides, wherein the component retains at least 90% of its dimensions after being exposed to a mixture of at least one lubricant and at least one refrigerant for 30 days at 60° C.;
- wherein the polymeric material is a scroll compressing member comprising a spiral configuration and,
- wherein the compressing member retains at least 85% of its tensile strength after being exposed to the mixture of lubricant and refrigerant for 30 days.
Dependencies are inferred from the claim text.