Carburetor for two-cycle engine

Details Carburetor for two-cycle engine Carburetor for two-cycle engine

1998-03-10

2000-02-22

Kamen, Noah P.

Internal-combustion engines

Two-cycle

Rear compression

123196R, F02B 3304

Patent

active

060267704

ABSTRACT:
To provide a carburetor for a two-cycle engine, and prevent water from entering into the engine, using a lubricating system of the engine. Oil sealing members are attached to bearings of a throttle shaft of a carburetor. Oil holes are formed at positions near a barrel passage and inside the oil sealing members, thereby forcibly supplying lubricating oil to the bearings. Therefore, the bearing are continuously lubricated, so that water is prevented from entering into the carburetor. The forcibly supplied lubricating oil leaks from the bearings to the barrel passage, and is supplied to the interior of the engine together with air-fuel mixture produced by the carburetor. The two oil holes communicate with each other via a dovetail groove, so that the lubricating oil from a lubricating oil plug is simultaneously supplied to the bearings at the opposite ends of the throttle shaft.

REFERENCES:
patent: 5195481 (1993-03-01), Oyama et al.

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