Title:
CRANKSHAFT OF RECIPROCATING ENGINE
Document Type and Number:
WIPO Patent Application WO/2016/021201
Kind Code:
A1
Abstract:
This crankshaft is provided with a journal part (J) as a rotational center axis, a pin part (P) eccentric relative to the journal part (J), a crank arm part (A) joining the journal part (J) and the pin part (P), and a counter weight part (W) integrated with the crank arm part (A), the pin part (P)-side surface of the crank arm part (A) having concave parts (10) formed along the inner sides of edge parts (11) on both sides running along the contours of this surface. This crankshaft can be made lightweight and can have improved torsional stiffness and bending stiffness.
Inventors:
ISHIHARA KOICHIRO (JP)
IMANISHI KENJI (JP)
YOSHINO KEN (JP)
YABUNO KUNIHIRO (JP)
IMANISHI KENJI (JP)
YOSHINO KEN (JP)
YABUNO KUNIHIRO (JP)
Application Number:
PCT/JP2015/003952
Publication Date:
February 11, 2016
Filing Date:
August 06, 2015
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
F16C3/06
Foreign References:
| JPS5830020U | 1983-02-26 | |||
| JP2003232331A | 2003-08-22 | |||
| US5197416A | 1993-03-30 | |||
| JPS61241514A | 1986-10-27 |
Other References:
See also references of EP 3179116A4
Attorney, Agent or Firm:
ASCEND IP LAW FIRM (JP)
アセンド patent business corporation (JP)
アセンド patent business corporation (JP)
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