Construction of two-cycle engine lubricating system

Details Construction of two-cycle engine lubricating system Construction of two-cycle engine lubricating system

1989-01-18

1990-03-20

Cross, E. Rollins

Internal-combustion engines

Lubricators

Crankcase, pressure control

123 74R, 123197AC, F01M 100

Patent

active

049092049

ABSTRACT:
In a two-cycle engine lubrication system in which a crankshaft is supported on a pair of bearings in a crankcase, the crankshaft being sealed with seals mounted outwardly of the bearings and lubricating holes being provided along transfer passages which connect the crankcase with a combustion chamber and extending into the crankshaft bore between the bearings and the seals. The lubricating holes open into the crankshaft bore close to the bearing and one or more lubricant guide grooves extend outwardly in the crankshaft bore from the lubricating holes to a seal.

REFERENCES:
patent: 3204619 (1965-09-01), Rubinowitz et al.
patent: 4498553 (1985-02-01), Kurata et al.
patent: 4723619 (1988-02-01), Yamamoto et al.
patent: 4745817 (1988-05-01), Tomita et al.

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