Title:
2-CYCLE ENGINE AND ENGINE-POWERED WORKING MACHINE HAVING THE SAME
Document Type and Number:
WIPO Patent Application WO/2012/105216
Kind Code:
A1
Abstract:
A 2-cycle engine has: a piston reciprocably housed in a cylinder bore; an intake opening, an exhaust opening, and a scavenge opening provided in an inner peripheral wall of the cylinder bore and opened/closed by the piston; and a scavenge passage connecting the scavenge opening and a crank chamber. A valve that opens/closes the scavenge passage is provided on the scavenge passage.
Inventors:
NIWA KENJI (JP)
IKEDA TOMOYA (JP)
ISHIDA SHIGETOSHI (JP)
IKEDA TOMOYA (JP)
ISHIDA SHIGETOSHI (JP)
Application Number:
PCT/JP2012/000566
Publication Date:
August 09, 2012
Filing Date:
January 30, 2012
Export Citation:
Assignee:
HITACHI KOKI KK (JP)
NIWA KENJI (JP)
IKEDA TOMOYA (JP)
ISHIDA SHIGETOSHI (JP)
NIWA KENJI (JP)
IKEDA TOMOYA (JP)
ISHIDA SHIGETOSHI (JP)
International Classes:
F01L1/44; F02B25/04; F02B25/14; F02B25/16; F02B25/18; F02B25/20; F02B33/26; F04B39/10; F01L9/20
Foreign References:
| GB128560A | 1920-03-18 | |||
| GB139473A | 1921-05-05 | |||
| GB300243A | 1929-12-12 | |||
| GB167765A | 1922-04-27 | |||
| GB220007A | 1924-08-11 | |||
| JPH0610867A | 1994-01-21 | |||
| JPH0378526A | 1991-04-03 | |||
| US20060124086A1 | 2006-06-15 | |||
| GB2290349A | 1995-12-20 | |||
| JPS6388216A | 1988-04-19 |
Other References:
None
Attorney, Agent or Firm:
TSUTSUI, Yamato (3F Shinjuku Gyoen Bldg. 3-10, Shinjuku 2-chome, Shinjuku-k, Tokyo 22, JP)
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Claims: