Engine lubrication structure and motorcycle
AssigneeSuzuki Motor Corporation
InventorsKohei Tsukamoto, Shintaro Yagi
Life of this patent
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Abstract
An engine lubrication structure supplies oil from an oil pump to individual components of an engine in which a balancer shaft is disposed parallel with a crank shaft in a crank case, the engine includes a turbocharger which compresses intake air using exhaust gas of the engine; a main gallery which supplies oil to a bearing of the crank shaft and a bearing of the balancer shaft and a sub-gallery which supplies, to individual components of the engine, oil that has been supplied to the bearing of the balancer shaft are provided in the crank case; and an oil passage which supplies oil to the turbocharger is connected to the sub-gallery.
Claims5
An engine lubrication structure which supplies oil from an oil pump to individual components of an engine in which a balancer shaft is disposed parallel with a crank shaft in a crank case, wherein:
- the engine comprises a turbocharger which compresses intake air using exhaust gas of the engine;
- a main gallery which supplies oil to a bearing of the crank shaft via a first oil passage and supplies oil to a bearing of the balancer shaft via a second oil passage, and a sub-gallery which supplies the oil flowing past the bearing of the balancer shaft and supplied to the sub-gallery via a third oil passage connecting the bearing of the balancer shaft and the sub-gallery to individual components of the engine via a fourth oil passage shaft are provided in the crank case;
- and
- a fifth oil passage which supplies oil to the turbocharger is connected to the sub-gallery.
Dependencies are inferred from the claim text.