Internal combustion engine with balancer shaft and method of assembling the same
US6868816B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 2, 2004 |
| Grant date | Mar 22, 2005 |
| Priority date | — |
| Expiry date | Feb 2, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49231
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An internal combustion engine includes a balancer housing, a balancer shaft having an eccentric weight portion and disposed within the balancer housing so as to be parallel with and rotatable in timed relation with a crankshaft, and a power transmitting mechanism that transmits rotation of the crankshaft to the balancer shaft, wherein the balancer shaft has an end portion protruding outward of the balancer housing, and wherein the end portion of the one balancer shaft is partially cut to have a flattened section that constitutes a device for positioning the balancer shaft in a predetermined rotational position. A method of assembling an internal combustion engine with a balancer shaft is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.