F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
123/21
F02D 23/00 (2006.01) B01D 46/42 (2006.01) F02M 35/09 (2006.01) G01N 15/00 (2006.01) G01N 15/08 (2006.01)
Patent
CA 1135130
Abstract of the Disclosure A device is provided for detecting the presence of solid impurities within a pressurized fluid. The device com- prises a housing having a fluid passageway formed therein. One end of the fluid passageway is open to the pressurized fluid while the other end of the fluid passageway is open to a low pressure fluid region via a restricted port. A filter strip dispensed from a filter strip magazine is disposed across and obstructs the fluid flow through the passageway at a point intermediate its ends so that the filter strip removes solid or liquid particles from fluid flowing through the passageway. A differential pressure sensing means, such as a differential pressure transducer, communicates with the fluid passageway and detects the differential pressure across the filter strip. An increase of fluid pressure sensed by the differential pres- sure sensing means is indicative of a clogged filter strip which in turn, indicates the presence of solid impurities within the pressurized fluid. Appropriate indicating means to provide a signal upon the occurrence of a clogged condition of the filter strip.
362265
Dodd Joseph L.
Isley Walter F.
Smart & Biggar
Teledyne Industries Inc.
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