The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 27, 2018
Filed:
Aug. 09, 2013
Mazda Motor Corporation, Hiroshima, JP;
Yasunori Kanda, Hiroshima, JP;
Tsunehiro Mori, Aki-gun, JP;
Yasuhiro Sudou, Iwakuni, JP;
Masakazu Kikuchi, Hiroshima, JP;
Kazuo Toyoda, Hiroshima, JP;
Tetsuya Hanzawa, Higashihiroshima, JP;
Yukiyoshi Fukuda, Hiroshima, JP;
Akira Sumitani, Higashihiroshima, JP;
Masahiro Koizumi, Hiroshima, JP;
Koichi Hirata, Hiroshima, JP;
Shuji Takuma, Hiroshima, JP;
Kouji Kubo, Hiroshima, JP;
Kazuya Nishimori, Hiroshima, JP;
MAZDA MOTOR CORPORATION, Hiroshima, JP;
Abstract
An engine piston structure includes: a piston (); a connecting rod () having a small end part () coupled to the piston (), and having a large end part () coupled to a crankshaft; a piston pin () through which the piston () and the small end part () of the connecting rod () are coupled together and which has a hollow cross section; and at least one dynamic vibration absorber () provided inside the piston pin () to reduce resonance of the piston (), the piston pin (), and the small end part () of the connecting rod () in combination with respect to the large end part () of the connecting rod () during a combustion stroke.