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Patent Searching and Data


Title:
CRANKSHAFT
Document Type and Number:
WIPO Patent Application WO/2019/150965
Kind Code:
A1
Abstract:
This crankshaft (1) is provided with a plurality of journal sections (J), a plurality of pin sections (P), and a plurality of crank arm sections (A). The journal sections (J) are arranged coaxially with the center of rotation of the crankshaft (1). The pin sections (P) are eccentric with respect to the journal sections (J). Each of the crank arm sections (A) is arranged between one journal section (J) and one pin section (P), and links the journal section (J) and the pin section (P). At least one crank arm section (A) is integrated with a counterweight section (W). The counterweight section (W) includes two side surfaces (Wb1, Wb2). An added layer (11) of a material different from the material of the crankshaft body is provided on each of the side surfaces (Wb1, Wb2) of the counterweight section (W). When the Young's modulus of the material of the added layer (11) is E and the Young's modulus of the material of the crankshaft body is E0, E/E0 is 0.2 to 0.4.

Inventors:
KIMURA, Yukihiko (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
TAMURA, Kenji (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
NOGAMI, Hiroshi (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
HWANG, Sam Soo (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
YABUNO, Kunihiro (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
Application Number:
JP2019/001190
Publication Date:
August 08, 2019
Filing Date:
January 17, 2019
Export Citation:
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Assignee:
NIPPON STEEL CORPORATION (6-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 71, 〒1008071, JP)
International Classes:
F16C3/08
Foreign References:
JP2010167492A2010-08-05
JP2006057665A2006-03-02
JP2003113738A2003-04-18
Attorney, Agent or Firm:
ASCEND IP LAW FIRM (5-17, Dojima 1-chome Kita-ku, Osaka-sh, Osaka 03, 〒5300003, JP)
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