Heat exchange – With purge – or drainage – cock or plug
Patent
1991-11-12
1993-12-07
Davis, Jr., Albert W.
Heat exchange
With purge, or drainage, cock or plug
165 95, 134169A, 141 59, F28G 900
Patent
active
052676064
ABSTRACT:
The apparatus and method for flushing and draining the cooling system of a vehicle employs a drain pipe. The drain pipe connects to the bottom of the radiator, the bottom of the engine block or the lower radiator hose and has a bend of 180.degree. above both the inlet and outlet of the drain pipe. The outlet of the drain pipe is below the inlet for the drain pipe.
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patent: 4911211 (1990-03-01), Anderson
patent: 4949765 (1990-08-01), Creeron
patent: 5097894 (1992-03-01), Cassia
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