Exhaust means for marine propulsion unit
US4276036A · kind A · utility
15Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1978 |
| Grant date | Jun 30, 1981 |
| Priority date | — |
| Expiry date | Oct 2, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B61/045
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Marine propulsion unit having a propeller assembly formed with exhaust gas passages through the propeller hub. An outer pipe is provided to encircle the propeller hub with a radial spacing and has a rear end extending beyond the rear end of the hub so that the exhaust gas is forced to flow, during a reverse movement, from the exhaust gas passage in the hub to the space between the hub and the outer pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.