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Patent Searching and Data


Title:
往復機関
Document Type and Number:
Japanese Patent JP4160398
Kind Code:
B2
Abstract:
The invention relates to a reciprocating engine comprising at least one piston (7) housed in a cylinder (2), said piston being provided with at least one piston ring (10) arranged in an allocated piston ring groove (8), which has ends pieces (12, 13) that engage with one another in the form of a groove and a spring and form an outer peripheral surface cooperating with a running surface located on the cylinder side which traverses the periphery without any gaps. The invention aims at making it possible for said motor to operate as long as possible with little wear and enabling high operating facility. This is achieved in that at least one end piece (12) is provided with at least one radial through recess (18) whose open cross section is influenced by the mutual relative movement of the end pieces (12, 13) that engage with one another.

Inventors:
Jesper Weiss Vogh
Application Number:
JP2002569608A
Publication Date:
October 01, 2008
Filing Date:
February 12, 2002
Export Citation:
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Assignee:
MNA Diesel AES
International Classes:
F02F5/00; F16J9/16; F16J9/14; F16J9/22
Domestic Patent References:
JP11511541A
JP10238630A
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Shinya Mitsuhiro