Seal with embedded wire

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member

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Details

277901, 116208, F16J 1516

Patent

active

052462358

ABSTRACT:
A seal prevents leakage of fluid between the seal and a moving surface. The seal includes a seal body and a conductor. The seal body can undergo wear to a specified depth before the seal requires replacement. The conductor is placed about the moving surface such that wear of the seal body to a specified depth brings the conductor into contact with the moving surface. The conductor may be embedded in the seal body to position the conductor about the moving surface. Wear of the seal body to a specified depth can be checked by checking electrical continuity of the conductor. The existence of electrical continuity between the conductor and the moving surface may indicate that the seal requires replacement. Alternatively, the conductor may be positioned such that the conductor has worn entirely through when the seal body has worn to a specified depth, with a loss of electrical continuity through the conductor indicating that the seal requires replacement.

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