Counter-rotating surfacing marine drive with defined X-dimension
US5415576A · kind A · utility
14Cited by
18References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1993 |
| Grant date | May 16, 1995 |
| Priority date | — |
| Expiry date | Jun 25, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63H2023/327
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A marine drive (10) has two counter-rotating surface operating propellers (12 and 14). The drive has a vertical X-dimension (254) in the range of about 13 inches to 19 inches in combination with a shaft-spacing dimension (258) in the range of about 8 inches to 15 inches in combination with a surfacing dimension .gtoreq. zero. In one embodiment, the shaft-spacing dimension is 13.5 inches, the vertical X-dimension is 16 inches, and the surfacing dimension is 2 inches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.