筒内噴射式エンジン用ピストン

Japanese Patent JP6476841

B2

The utility model relates to a piston for injection -type engine in jar, it can concentrate on the fuel that comes from the interior injection valve of jar around the spark plug high -efficiently. In the piston -top surface is formed with the piston for injection -type engine in jar of concave part (10), the axle center O of concave part (10) centre gripping piston (2) and setting up terminates between the end (A1) in the concave part initiating terminal (A2) of one side and the concave part of opposite side, the concave part of concave part (10) terminates the end wall of end (A1) one side, by vertical component effect (15) parallel with axle center O on the parallel arbitrary cross section of the axle center O with piston (2), curved surface (16) of connecting bottom surface (11) of vertical component effect (15) and concave part (10), and the chamfer portion (14) of the crest line portion between vertical component effect (15) and concave part (10) piston -top surface on every side that sets up constitutes. The top surface that terminates end (A1) one side piston (2) adjacent with concave part (10) at the concave part is set for to the top surface height than at concave part initiating terminal (A2) one side piston adjacent with concave part (10), and the tie point of vertical component effect (15) and curved surface (16) is located than the top surface height of the piston (2) adjacent with concave part (10) on one side of concave part initiating terminal (A2) high top still.

Yoshimasa Taniguchi
Shinji Ueno

JP2014260580A

March 06, 2019

December 24, 2014

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MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA

F02F3/26; F02B23/10

JP11182336A
JP2000248944A
JP53099113A
JP2000297646A
JP5617318U
JP2004138028A

Naoya Kamata
Bunji Kamada
Yaichiro Nakatani
Takashi Shimizu
Masanori Akatsuka

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