Lightweight composite propellers for outboard motor
US10926851B2 · kind B2 · utility
0Cited by
11References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 2017 |
| Grant date | Feb 23, 2021 |
| Priority date | — |
| Expiry date | May 15, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/34
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a lightweight composite propeller for an outboard motor, wherein the propeller has a separate hub and blades which are easily repaired when damaged, improves fuel efficiency because a lightweight composite material is used therefor, and is easily manufactured in large quantities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.