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Patent Searching and Data


Title:
副室式エンジン
Document Type and Number:
Japanese Patent JP5192177
Kind Code:
B2
Abstract:

To attain a sub-chamber engine maintaining a stable combustion state even when intake pressure decreases as is in starting or in low load and discharging fuel gas existing in a valve chamber of a sun-chamber fuel supply valve to a blow-by gas path through a leak gas path without leaking it to the outside.

When the leak gas path 35 is provided for connecting a leak part 34 formed in a gap between a valve stem 11 and a valve guide 12 of the sub-chamber fuel supply valve 15, an operation valve means 36 is provided in the leak gas part 35 and operates in a mode of blocking a gas flow from a blow-by gas path 40 side to a leak part 34 side and allowing a gas flow from the leak part 34 side to the blow-by gas path 40 side.

COPYRIGHT: (C)2009,JPO&INPIT


Inventors:
Shunsaku Nakai
Yusuke Yamamoto
Application Number:
JP2007125706A
Publication Date:
May 08, 2013
Filing Date:
May 10, 2007
Export Citation:
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Assignee:
OSAKA GAS CO.,LTD.
International Classes:
F02B19/10; F01N5/04; F02B19/12; F02B37/00
Domestic Patent References:
JP6010672A
JP6235329A
JP2003278548A
JP2005171975A
JP8028269A
JP2000027647A
JP10281029A
JP1149534U
JP11193730A
JP2000110683A
JP9158732A
JP61020259Y1
JP2005133664A
Foreign References:
WO2007126022A1
Attorney, Agent or Firm:
Shuichiro Kitamura
Ichiro Miyake
Kunihiko Higashi