Inter-crankchamber sealing means for multiple cylinder two strok

Details Inter-crankchamber sealing means for multiple cylinder two strok Inter-crankchamber sealing means for multiple cylinder two strok

1980-04-14

1982-03-23

Myhre, Charles J.

Internal-combustion engines

Two-cycle

Rear compression

123196R, 308187, 184 65, F02B 3304, F01M 100

Patent

active

043207243

ABSTRACT:
A non-contact type seal between two adjacent crankchambers of a multiple cylinder two stroke engines includes a sealing member fitted to the crankcase to encircle the crankshaft or the sleeve fitted to the crankshaft with a slight clearance between the sealing member and the crankshaft or the sleeve. A lubricant oil passage is formed in the sealing member to open to the clearance between the sealing member and the crankshaft or the sleeve so that the clearance is filled with lubricant oil which is to be supplied to the bearings at the opposite sides of the sealing member. The seal between the two crankchambers is provided by the lubricant oil in the clearance.

REFERENCES:
patent: 3514943 (1970-02-01), Britt
patent: 3913992 (1975-10-01), Scott et al.

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