Invention Grant
- Patent Title: Piston for internal combustion engine
- Patent Title (中): 内燃机活塞
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Application No.: US14204783Application Date: 2014-03-11
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Publication No.: US09175593B2Publication Date: 2015-11-03
- Inventor: Keitarou Shishido
- Applicant: Hitachi Automotive Systems, Ltd.
- Applicant Address: JP Hitachinaka-shi
- Assignee: Hitachi Automotive Systems, Ltd.
- Current Assignee: Hitachi Automotive Systems, Ltd.
- Current Assignee Address: JP Hitachinaka-shi
- Agency: Crowell & Moring LLP
- Priority: JP2013-059547 20130322
- Main IPC: F01P1/04
- IPC: F01P1/04 ; F01P3/10 ; F02F3/22
Abstract:
A piston for an internal combustion engine, including a crown portion that defines a combustion chamber, a ring-shaped cooling channel formed in the crown portion, through which a cooling oil flows, and a plurality of concave portions formed on at least one side of the cooling channel, in an axial direction of the piston, each of the plurality of concave portions having a curved surface.
Public/Granted literature
- US20140283767A1 Piston for Internal Combustion Engine Public/Granted day:2014-09-25
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