Oil seal orientation detection

Details Oil seal orientation detection Oil seal orientation detection

1998-12-17

2000-12-26

Williams, Hezron

Measuring and testing

With fluid pressure

Dimension, shape, or size

73 46, 73 492, G01M 308, G01M 326

Patent

active

061641219

ABSTRACT:
A system is provided for detecting the presence of and confirming the correct orientation of an oil seal. The system comprises a sensor orifice, a flow regulator for regulating flow of air to the sensor orifice, a pressure regulator for regulating air pressure to the flow regulator, and an air supply means for supplying air to the pressure regulator. A vent orifice is also provided for allowing air flow to exit from the sensor orifice when the oil seal is incorrectly oriented. The system further comprises an air pressure sensor, whereby when the oil seal is correctly oriented, with its flat side blocking the sensor orifice, a back pressure of air is created in the sensor orifice and the air supply means, the back pressure detectable by the air pressure sensor to confirm presence and correct orientation of the oil seal.

REFERENCES:
patent: 3270960 (1966-09-01), Phillips
patent: 3956604 (1976-05-01), Larker et al.
patent: 5265464 (1993-11-01), Caron et al.
patent: 5412978 (1995-05-01), Boone et al.

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