Valve apparatus for crankcase oil drainage

Details Valve apparatus for crankcase oil drainage Valve apparatus for crankcase oil drainage

1986-09-22

1987-12-01

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

1375155, 184 15, F16K 1504

Patent

active

047097221

ABSTRACT:
Valve apparatus for draining oil from a vehicle crankcase includes a valve body having a pair of intersecting bores. One of the bores communicates with the vehicle crankcase and receives oil therefrom. A tubular insert extends into the intersecting bore, with part of the insert extending outwardly from the valve body. The end of the insert which is disposed within the valve body comprises a valve seat, and a spring-loaded ball check is disposed within the tubular insert. The spring biases the ball against the seat until low pressure is applied to the insert to withdraw the ball from the seat. When the ball is withdrawn from the seat, oil is drained from the crankcase. A hose or tube is secured to the end of the insert outside of the valve body and is appropriately connected to a source of low pressure for draining the oil.

REFERENCES:
patent: 1818123 (1931-08-01), Engbrecht
patent: 2206992 (1940-07-01), Wood
patent: 2903014 (1959-09-01), Sheppard
patent: 2932043 (1960-04-01), Bischoff
patent: 3103947 (1963-09-01), Mueller
patent: 3290000 (1966-12-01), Snyder
patent: 4492249 (1985-01-01), Arino

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