Crankchamber precompression type two-cycle internal combustion e

Internal-combustion engines – Multiple cylinder – Cylinders in-line

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123 73F, F02B 7520

Patent

active

041389719

ABSTRACT:
Twin cylinder two cycle engine including a pair of stepped cylinders and a pair of stepped pistons slidable in said cylinders defining annular spaces of variable volume in said cylinders. The pistons are interconnected each other with 180.degree. phase difference. Air-fuel mixture introduced into the annular space in one cylinder is forced into the crankchamber of the other cylinder during the upward stroke of the associated piston, so that an additional charge is provided.

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patent: 3859967 (1975-01-01), Turner et al.

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