Title:
クランク駆動装置
Document Type and Number:
Japanese Patent JP2010525249
Kind Code:
A
Abstract:
The invention relates to a device comprising a crankshaft (100) and least one conrod (200) having a big end (202) mounted on a crank pin (102) of the crankshaft (100). The crank pin (102) and the big end (201) of the conrod (200) comprise bearing surfaces (108, 202) which are in close contact to one another in a load-bearing area that bear the forces acting between the big end (201) of the conrod and crank pink (102) when the device is operated. According to the invention the bearing surface (108) of the crank pin (102) in its load-bearing area features a concavely curved profile in the longitudinal shaft section and the bearing surface of the big end (201) features a convex profile being in close contact with the concave profile of the crank pin (102).
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Inventors:
Geheiro Sergio Stefano
Galli Luis Antonio Fonseca
Tavares de Oliveira Walter
Rodriguez Alex de Souza
Galli Luis Antonio Fonseca
Tavares de Oliveira Walter
Rodriguez Alex de Souza
Application Number:
JP2010503613A
Publication Date:
July 22, 2010
Filing Date:
April 17, 2008
Export Citation:
Assignee:
ThyssenKrupp Metalurgica Campo Limpo Ltda.
International Classes:
F16C7/02; F16C3/08; F16F15/26; F16H21/18
Domestic Patent References:
| JPH02217608A | 1990-08-30 | |||
| JPH02109009U | 1990-08-30 | |||
| JPS5492210U | 1979-06-29 | |||
| JPS6023619A | 1985-02-06 | |||
| JPS6386416U | 1988-06-06 |
Foreign References:
| US4456313A | 1984-06-26 | |||
| US2065509A | 1936-12-29 |
Attorney, Agent or Firm:
Mitsufumi Esaki
Okumura Yoshimichi
Blacksmith
Ryota Imamura
Kiyota Eisho
Okumura Yoshimichi
Blacksmith
Ryota Imamura
Kiyota Eisho