Title:
RECIPROCATING ENGINE
Document Type and Number:
WIPO Patent Application WO/2008/047454
Kind Code:
A1
Abstract:
In a reciprocating engine, at the beginning of a combustion and expansion stroke
while the engine is operated, a gas pressure (38) above a piston (2) is introduced
into an annular gas chamber (31) through a recess (34), and the piston (2) is lowered
by a gas pressure (39) introduced into the annular gas chamber (31) while being
supported from a thrust side (12). A second piston ring comprises two piston rings
(43, 43) superposed on each other.
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| JP4267459 | Thermal spraying of piston rings |
Inventors:
BANDO SHIGERU (JP)
Application Number:
PCT/JP2006/320973
Publication Date:
April 24, 2008
Filing Date:
October 20, 2006
Export Citation:
Assignee:
BANDO KIKO CO (JP)
BANDO SHIGERU (JP)
BANDO SHIGERU (JP)
International Classes:
F02F5/00; F02F1/18; F16J9/16
Domestic Patent References:
| WO1992002722A1 | 1992-02-20 |
Foreign References:
| JPH10169506A | 1998-06-23 | |||
| JPS5881349U | 1983-06-02 |
Attorney, Agent or Firm:
TAKADA, Takeshi (Hanabusa Building 12-6, Minamiaoyama 5-chome, Minato-k, Tokyo 62, JP)
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