Boots – shoes – and leggings
Patent
1984-12-18
1987-08-04
Chin, Gary
Boots, shoes, and leggings
364510, 364572, 210 90, 73 54, 73 55, G01N 1104
Patent
active
046850660
ABSTRACT:
A contamination monitor for sensing particle contamination in a liquid system having a filter includes a sensor for measuring the pressure differential across the filter, a reference apparatus for providing information relative to at least one of the viscosity changes and the flow changes of the liquid passing through the filter by providing one or more reference signals relating thereto, and a programmable data processing and interface unit for receiving data from the sensor and the reference apparatus and providing a recognizable compensated output corresponding to the contamination level of the liquid system. The data processing and interface unit can provide a plurality of command signals for lighting a plurality of lights that can be individually used for diagnostic purposes and can provide information on the rate of plugging of the filter.
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Crayton John W.
Hafele Joseph C.
Black Thomas G.
Caterpillar Inc.
Chin Gary
Lanchantin, Jr. Charles E.
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