Title:
ENGINE AND PISTON
Document Type and Number:
WIPO Patent Application WO/2014/024494
Kind Code:
A1
Abstract:
An engine comprising: a cylinder block having a bore; a piston fitted so as to be capable of reciprocating movement in the bore so as to form a combustion chamber; a cylinder head that closes the combustion chamber and has a valve hole communicated with the combustion chamber; and a valve for opening and closing the valve hole. In one or more of the piston, the cylinder head, and the valve, a heat-insulating coating film covers the wall surface that faces the combustion chamber. The heat-insulating coating film is composed of a heat-insulating layer and an inorganic covering layer for covering the surface of the heat-insulating layer. The heat-insulating layer has a resin, and first hollow particles that are embedded within the resin and that have an average particle diameter less than the thickness of the heat-insulating layer. The inorganic covering layer contains an inorganic compound.
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Inventors:
HIRATSUKA ICHIRO (JP)
NIIMI TAKUYA (JP)
IKAI YUSUKE (JP)
SAAI KAZUKI (JP)
NIIMI TAKUYA (JP)
IKAI YUSUKE (JP)
SAAI KAZUKI (JP)
Application Number:
PCT/JP2013/004787
Publication Date:
February 13, 2014
Filing Date:
August 08, 2013
Export Citation:
Assignee:
AISIN SEIKI (JP)
AKROS CO LTD (JP)
AKROS CO LTD (JP)
International Classes:
F02B23/00; F02F1/00; F02F1/24; F02F3/10
Foreign References:
| JP2012072746A | 2012-04-12 | |||
| JPS5773843A | 1982-05-08 | |||
| JP2012072749A | 2012-04-12 | |||
| JP2008175163A | 2008-07-31 | |||
| JPS60184950A | 1985-09-20 | |||
| JP2008200922A | 2008-09-04 | |||
| JP2009298127A | 2009-12-24 | |||
| JP2012172619A | 2012-09-10 |
Attorney, Agent or Firm:
OHKAWA, HIROSHI (JP)
Okawa 宏 (JP)
Okawa 宏 (JP)
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