Cleaning and liquid contact with solids – Apparatus – With means for collecting escaping material
Patent
1998-02-10
1999-05-04
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
With means for collecting escaping material
1341042, 134201, 134169A, 134123, B08B 908
Patent
active
058992170
ABSTRACT:
An engine wash recovery system is temporarily installed on an aircraft turbine engine to recover wash liquids and contaminants washed from the engine during engine cleaning operations. The apparatus basically comprises a collector, an engine exhaust duct, and a container. The collector is formed of a flexible, liquid proof material which is removably secured beneath the engine housing (fuselage, nacelle, cowling, etc.) of the aircraft, to capture wash liquids which spill from the housing. The duct is removably connected to the engine exhaust, to capture spray which has passed through the engine as the engine is turned over at a relatively low rpm to flush the fluid through the engine. Both the collector and the duct are connected to a container for recovering all liquids emanating from the engine and its housing during the wash process. The collector may include a forward extension to capture liquids which back up out of the engine intake or inlet, and a rearward extension which extends back to the exhaust. The container may include baffling therein to reduce turbulence and mixing of recovered liquids with air from the engine exhaust, and a filter to preclude dispersion of liquids and contaminants into the atmosphere as air is exhausted from the container. The container is relatively small and light weight, and is easily moved manually by a single individual, without need for powered equipment. The collector and duct are also both relatively light in weight, and may be folded or collapsed for compact storage.
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Litman Richard C.
Stinson Frankie L.
Williams-Bibbs Mialeeka C.
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