Dry-sump lubrication type four-stroke cycle engine

Details Dry-sump lubrication type four-stroke cycle engine Dry-sump lubrication type four-stroke cycle engine

2006-05-09

2006-05-09

Fenstermacher, David (Department: 3682)

Lubrication

Lubricators

Drip pans

C123S1960CP

Reexamination Certificate

active

07040454

ABSTRACT:
The interior of a crankcase is divided into a front crank chamber and a rear transmission chamber by a partition wall of a given height. A lower part of the transmission case is used as an oil reservoir chamber for reserving lubricating oil. Opposite ends of the crankcase are covered with covers to form a generator chamber and a clutch chamber. The crank chamber is connected to the generator chamber by a drain passage to drain oil collected in the crank chamber into the generator chamber. A scavenging pump placed in the clutch chamber sucks the oil collected in the generator chamber through an oil passage extending across the crankcase under the crank chamber and discharges the oil into an air space in the clutch chamber.

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