Breather-lubricator system for engines

Details Breather-lubricator system for engines Breather-lubricator system for engines

1983-02-04

1984-09-11

Cuchlinski, Jr., William A.

Internal-combustion engines

Lubricators

Crankcase, pressure control

123 4186, F01M 1304

Patent

active

044703899

ABSTRACT:
This disclosure relates to a combined breather-lubricator system for an internal combustion engine having a horizontal cylinder, a crankcase, a vertical crankshaft journalled by an upper and a lower bearings in the crankcase, and a valve spring chamber in the crankcase.
The system includes two breather passages. The first breather passage extends from the crankcase through a check valve and the spring chamber and opening into the atmosphere, the valve being adapted to pass fluid therethrough in the direction from the crankcase to the atmosphere. The second breather passage extends back from the atmosphere through an oil drain hole in the spring chamber into the crankcase.
The system further includes a lubrication system connected to the first breather passage.

REFERENCES:
patent: 1921175 (1933-08-01), Towler
patent: 2539896 (1951-01-01), Dalrymple
patent: 2669322 (1954-02-01), Brown
patent: 2693791 (1954-11-01), Lechtenberg
patent: 3456759 (1969-07-01), Henry-Biabaud
patent: 3523592 (1970-08-01), Fenton

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