Title:
RECIPROCATING ENGINE
Document Type and Number:
WIPO Patent Application WO/2014/118827
Kind Code:
A1
Abstract:
A reciprocating engine (1) is configured in such a manner that, in the early stage of an expansion stroke, a high-pressure combustion gas (12) above a piston is introduced into a gas chamber (4), which is surrounded by the top ring (5), the second ring (6), and the second land (7) of a piston (2) and by a cylinder inner surface (8), from a gas passage (23), which is provided in the upper portion (22) of the thrust side (10) of the cylinder inner surface (8), and the piston (2) is supported from the thrust side (10). The piston (2) is provided with a dividing means (37) for dividing the space between the top ring (5) and the top ring (6). A cleaning member (13) which extends within the gas chamber (4) is inserted in a vertically movable manner into the gas chamber (4) with a gap (20) provided in the vertical direction. The cleaning member (13) is adapted to clean the inside of the gas chamber (4) when the cleaning member (13) is vertically moved by a distance corresponding to the gap (20) by the reciprocating movement of the piston (2).
Inventors:
BANDO SHIGERU (JP)
Application Number:
PCT/JP2013/000599
Publication Date:
August 07, 2014
Filing Date:
February 04, 2013
Export Citation:
Assignee:
BANDO KIKO CO (JP)
International Classes:
F02F3/00
Foreign References:
| JP2004132322A | 2004-04-30 | |||
| JP2013002442A | 2013-01-07 | |||
| JPH05180069A | 1993-07-20 |
Attorney, Agent or Firm:
TAKADA, TAKESHI (JP)
Takeshi Takada (JP)
Takeshi Takada (JP)
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