Marine propulsion internal combustion engine
US5088344A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 1990 |
| Grant date | Feb 18, 1992 |
| Priority date | — |
| Expiry date | Dec 6, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7056
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An internal combustion engine comprising an engine block, a crankshaft rotatably supported by the block and including an axis, a first portion which is cylindrical in shape, which is concentric with the axis, and which has a uniform radius, and a second portion extending from the first portion in concentric relation thereto and having a radius less than the radius of the first portion to define a radially extending shoulder on the first portion, a flywheel including a surface engaging the shoulder, and a central aperture receiving the second portion of the crankshaft and having a radius less then the radius of the first portion, and bolts extending through the flywheel and into the first portion of the crankshaft for securing the flywheel to the crankshaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.