Engine and personal watercraft equipped with engine
US6889651B2 · kind B2 · utility
16Cited by
13References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2003 |
| Grant date | May 10, 2005 |
| Priority date | — |
| Expiry date | Jan 27, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01M2011/0058
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a personal watercraft capable of efficiently placing a dry-sump engine room and of efficiently using a dead space in the engine room. The small dry-sump engine comprises: a plurality of cylinders; at least one cylinder head provided as corresponding to the cylinders; a crankcase chamber; an oil tank chamber independent of the crankcase chamber, the oil tank chamber being located lower than the cylinder head; and an oil return passage configured such that its upper end communicates with the cylinder heads and its lower end communicate with the oil tank chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.