Crankcase drain assembly

Details Crankcase drain assembly Crankcase drain assembly

1975-12-10

1977-05-24

Cline, William R.

Valves and valve actuation

With correlated flow path

Tank

137572, 251340, 222525, 184 15, F16N 100

Patent

active

040250482

ABSTRACT:
A crankcase drain assembly comprising a manually operated valve unit mounted in the crankcase drain opening and a disposable container of flexible sheet material connected to the valve unit by a flexible hose member. The valve unit includes a large diameter planetary knob to facilitate manual opening and closing of the drain valve and eliminate the need for separate tools. The valve unit also includes a concave inlet port for seating in the drain opening so its rim area extends no further than level with the crankcase floor, thereby enabling the used crankcase oil to drain completely.

REFERENCES:
patent: 359305 (1887-03-01), Wirz
patent: 2325325 (1943-07-01), Kiene
patent: 2343134 (1944-02-01), Cawood
patent: 2796881 (1957-06-01), Schweir
patent: 2841175 (1958-07-01), Ford
patent: 3659632 (1972-05-01), Jonsson
patent: 3677369 (1972-07-01), Schramm
patent: 3727638 (1973-04-01), Zaremba et al.
patent: 3806085 (1973-03-01), Codo
patent: 3856262 (1974-12-01), Jordan
patent: 3869391 (1974-04-01), Kramer
patent: 3874478 (1975-04-01), Mantell
patent: 3929264 (1975-12-01), Maynard, Jr.
patent: 3948481 (1976-04-01), Pollock
patent: 3954250 (1976-05-01), Grace

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