Air intake device for outboard boat engine
US5832890A · kind A · utility
6Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 1997 |
| Grant date | Nov 10, 1998 |
| Priority date | — |
| Expiry date | Apr 29, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M35/167
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An air intake device for a vertically oriented multi-cylinder outboard boat engine having vertically spaced fuel intake ports. The air intake device includes a surge tank, a plurality of vertically spaced air intake pipes extending from the surge tank to the engine intake ports. The intake pipes are inclined downward from the surge tank. The bottom tangent of the lowermost intake pipe is aligned with the bottom surface of the surge tank and the vertical length of the surge tank is less than the total length from the uppermost intake port to the lowermost intake port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.