Internal-combustion engines – Lubricators – Crankcase – pressure control
Reexamination Certificate
2006-05-30
2006-05-30
Yuen, Henry C. (Department: 3747)
Internal-combustion engines
Lubricators
Crankcase, pressure control
C134S16900A
Reexamination Certificate
active
07051697
ABSTRACT:
An adapter system for use with an internal combustion engine flushing apparatus which permits connection to the crankcase and to the oil filter of internal combustion engines. A first adapter assembly enables a conduit hose of a flushing apparatus to be connected with the drain plug port of the engine crankcase via a specialized adapter piece and a universal adapter piece. The uniform adapter piece forms a threaded connection with the specialized adapter piece for attachment to the conduit hose of the flushing apparatus. A second adapter assembly for coupling a second hose of the flushing apparatus also includes one of a plurality of specialized adapter elements selected to fit the oil filter port of a particular automobile engine and a universal adapter element connected by a bayonet coupling between the specialized adapter and a second conduit hose of the flushing apparatus.
REFERENCES:
patent: 4746149 (1988-05-01), Thompson
patent: 5005875 (1991-04-01), Harle
patent: 5063896 (1991-11-01), Hyatt et al.
patent: 5474098 (1995-12-01), Grigorian et al.
patent: 6089205 (2000-07-01), Grigorian et al.
Ali Hyder
Yuen Henry C.
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