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US 6,237,641 B1Granted
Hose for a refrigerant for an electrically driven compressor
AssigneeTokai Rubber Industries, Ltd.
InventorsNobuaki Niki, Norihiko Furuta
Life of this patent
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Abstract
A hose for transporting a refrigerant for an electrically driven compressor has an inner layer of rubber having high resistance to an ester oil, and a laminated layer including a metallic foil, or a metallic layer formed by vapor deposition. It exhibits high degrees of electric insulation, refrigerant resistance, waterproofness and vibration resistance, and is suitable for use with an electrically driven compressor in an automobile air conditioner.
Claims17
A hose for transporting a refrigerant containing an ester oil as a refrigerator oil to an electrically driven compressor, comprising:
- (1) an inner layer formed from rubber having high degrees of resistance and impermeability to an ester oil;
- and
- (2) a laminated layer including a metallic foil, or a metallic layer formed by vapor deposition.
Dependencies are inferred from the claim text.