FIELD: transport.
SUBSTANCE: propeller screw comprises hub with blades fitted on propulsion shaft, said blades being equally spaced apart at the angle to the shaft lengthwise axis. Shell with toothed edge on the incoming water flow side is secured to top parts of said blades.
EFFECT: increased thrust.
2 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PROPELLER SCREW | 2014 |
|
RU2544284C1 |
| VESSEL AFT END | 2014 |
|
RU2544335C1 |
| OAR | 2012 |
|
RU2500571C1 |
| AIRSHIP | 2010 |
|
RU2420426C1 |
| OAR | 2013 |
|
RU2534110C1 |
| SHIP HULL | 2014 |
|
RU2553607C1 |
| TWIN-HULL SHIP | 2008 |
|
RU2381945C1 |
| WIND WHEEL | 2012 |
|
RU2493429C1 |
| BODY FOR DISC-FLYER | 2015 |
|
RU2576217C1 |
| AERONAUTIC APPARATUS | 2010 |
|
RU2420425C1 |
