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US 6,641,322 B2Granted
Coupling with tribological coating system
AssigneeHoneywell International Inc.
InventorsDave Narasimhan, Thirumalai Palanisamy, Rodney Iverson
Life of this patent
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Abstract
A coupling with a tribological system that can withstand temperatures up to 600° C. The coupling includes a shaft having an outer surface with a layer of chromium and a sleeve for receiving the shaft. The sleeve has an inner surface with a layer of silver or gold. The silver or gold layer contacts the chromium layer to form the tribological system.
Claims6
A coupling assembly comprising:
- a shaft having an outer surface with a layer of chromium;
- and
- a sleeve for receiving said shaft and having an inner surface with a layer of gold metallurgically bonded thereto, said gold layer contacting said chromium layer to form a tribological system.
Dependencies are inferred from the claim text.