Power assembly and a coaxial twin propeller model helicopter using the same
US8096497B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Nov 4, 2008 |
| Grant date | Jan 17, 2012 |
| Priority date | — |
| Expiry date | Jun 28, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H27/12
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A coaxial twin propeller model helicopter comprises a power assembly, a twin propeller rotation assembly, a tail rotation assembly, a motor assembly and a gear assembly. The twin propeller rotation assembly comprises a main rotation assembly and a minor rotation assembly. The power assembly comprises a motor assembly having a motor, a motor gear, and a fuel tank and a gear assembly having a main gear, a synchronous belt gear and a belt pulley. The main gear is engaged with the motor gear, and connected to the main rotation assembly. A lower part of the main gear is connected to the synchronous belt gear which connects to said minor rotation assembly. An upper end of the belt pulley is connected to said tail rotation assembly. A middle part of the belt pulley is engaged with the main gear. A lower end of the belt pulley is connected to the synchronous belt gear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.