Title:
PISTON, PISTON RING, AND RECIPROCATING DEVICE
Document Type and Number:
Japanese Patent JP2010229858
Kind Code:
A
Abstract:
To provide a piston capable of suppressing a lubricant from being discharged from a ring groove by a simple structure, a piston ring, and a reciprocating device equipped with at least either of the piston or the piston ring, and reducing the amount of the consumption of the lubricant.
In the piston 10, three ring grooves 50 opened to an outer peripheral side and to which the piston rings 30, 32, 33 are independently installed, and an oil collecting groove 52 opened to a part on a crown face 10A side in each ring groove 50 are formed.
Inventors:
YAMADA TOMOHISA
MITA SHUZO
INAGAKI HIDETO
KATSUMI NORIKAZU
NOZAWA MIGI
NODA TAKU
MITA SHUZO
INAGAKI HIDETO
KATSUMI NORIKAZU
NOZAWA MIGI
NODA TAKU
Application Number:
JP2009076764A
Publication Date:
October 14, 2010
Filing Date:
March 26, 2009
Export Citation:
Assignee:
TOYOTA CENTRAL RES & DEV
International Classes:
F02F3/00; F02F5/00; F16J1/08; F16J9/00
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Kato Kazunori