Apparatus for determining the torque exerted on a sealing ring t

Details Apparatus for determining the torque exerted on a sealing ring t Apparatus for determining the torque exerted on a sealing ring t

1991-08-06

1993-08-10

Williams, Hezron E.

Measuring and testing

Frictional resistance, coefficient or characteristics

73 10, G01N 3056

Patent

active

052338622

ABSTRACT:
A configuration for sealing off a duct gap between a housing wall and a shaft includes a sealing ring surrounding the shaft to be set into rotation relative to the housing wall. The sealing ring is sealed off with respect to the housing wall and the shaft. The sealing ring is displaceable relative to the housing wall and is incapable of being set into rotation by the shaft. At least one spring element is to be placed under a mechanical strain by a torque exerted upon the sealing ring by the rotation of the shaft. The strain is determined and a report is issued, if the strain deviates substantially from a predeterminable normal value.

REFERENCES:
patent: 2972881 (1956-10-01), Koch
patent: 3176497 (1965-04-01), Dega
patent: 3271995 (1966-10-01), Baumler
patent: 3362213 (1968-01-01), Van Deven et al.

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