Title:
TWO-CYCLE ENGINE AND ENGINE TOOL COMPRISING THE SAME
Document Type and Number:
WIPO Patent Application WO/2011/121930
Kind Code:
A2
Abstract:
The two-cycle engine comprises a first scavenging opening and second scavenging opening on the inner peripheral wall of a cylinder bore, and a first scavenging passage and second scavenging passage connecting the first scavenging opening and second scavenging opening to the crank chamber. The first and second scavenging passages are provided with an outflow direction change device directing the outflow of an air-fuel mixture flowing out from near the top dead center of the first and second scavenging openings into the cylinder bore and the outflow of the air-fuel mixture flowing out from near the bottom dead center of the first and second scavenging openings into the cylinder bore in different directions.
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Inventors:
ICHIHASHI NAOTO (JP)
Application Number:
PCT/JP2011/001637
Publication Date:
October 06, 2011
Filing Date:
March 18, 2011
Export Citation:
Assignee:
HITACHI KOKI KK (JP)
ICHIHASHI NAOTO (JP)
ICHIHASHI NAOTO (JP)
International Classes:
F02B33/12
Foreign References:
| JPS623121A | 1987-01-09 | |||
| JP2010084056A | 2010-04-15 |
Attorney, Agent or Firm:
KIMURA, Mitsuru (Kyohan Building 7, Kandanishiki-cho 2-chome, Chiyoda-k, Tokyo 54, JP)
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Claims: