Title:
A piston assembly which has the piston and it which decreased compression height, and its constitution method
Document Type and Number:
Japanese Patent JP6224111
Kind Code:
B2
Abstract:
A piston assembly for an internal combustion engine, comprises:
a piston head having an upper combustion wall with an undercrown surface and a ring belt region depending from said upper combustion wall, a floor having an upper surface and a bottom surface, said floor being spaced beneath said upper combustion wall in radial alignment with said ring belt region, a substantially enclosed, annular cooling gallery bounded by said undercrown surface and said floor, said cooling gallery extending radially inwardly from said ring belt region;
a pair of pin bores depending directly from the floor of the cooling gallery;
a pin having ends configured for oscillating receipt in the pin bores;
a pin bearing surface extending within said pin bores and between said pin bores in said lower surface of said floor;
a connecting rod having an end fixed to the pin for conjoint oscillation therewith; and
a plurality of support members extending radially outwardly from a central longitudinal axis of said piston head, said support members extending between said undercrown surface and said upper surface of said floor.
Inventors:
Azebed, Miguel
Weininger, Michael
Weininger, Michael
Application Number:
JP2015534746A
Publication Date:
November 01, 2017
Filing Date:
September 27, 2013
Export Citation:
Assignee:
FEDERAL-MOGUL LLC
International Classes:
F02F3/18; F02F3/00; F02F3/22; F02F3/26; F16J1/01; F16J1/16; F16J9/02
Domestic Patent References:
| JP48099512A | ||||
| JP2013515904A | ||||
| JP2014525536A | ||||
| JP2014518979A |
Foreign References:
| WO2011087563A1 | ||||
| US20090084260 | ||||
| US5072654 |
Attorney, Agent or Firm:
Fukami patent office
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