Crankcase ventilation

Details Crankcase ventilation Crankcase ventilation

1977-03-30

1978-07-25

Croyle, Carlton R.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02F 900

Patent

active

041023145

ABSTRACT:
A gas make-up conduit extends to the crankcase of an internal combustion engine from the latter's fuel and air supply conduit at a location upstream of the throttle valve in said conduit and downstream of the fuel supply into said conduit to supply a mixture of fuel and air to the crankcase in the same ratio that is supplied to the engine, thereby to replace gases that are recycled according to conventional practice from the crankcase into the induction conduit downstream of the throttle valve.

REFERENCES:
patent: 3595211 (1971-07-01), Brehob
patent: 3661128 (1972-05-01), Eshelman
patent: 3673997 (1972-07-01), Sawada
patent: 3750634 (1973-08-01), Nakajima et al.
patent: 3990419 (1976-11-01), Itakura

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