Rotor system, particularly a boat propeller system

Details Rotor system, particularly a boat propeller system Rotor system, particularly a boat propeller system

1985-11-26

1988-08-30

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Plural impellers having relative movement or independent...

Coaxial rotation

416129, 416171, 415 62, 415143, B63H 510

Patent

active

047672692

ABSTRACT:
The invention relates to a rotor system, particularly a boat propeller system, which consists of a main propeller and a turbo unit in the form of a fore-propeller and a turbine mechanically coupled thereto, the turbo unit being freely rotatably journalled.

REFERENCES:
patent: 2321276 (1943-06-01), DeBolt
patent: 2397998 (1946-04-01), Goddard
patent: 2426635 (1947-09-01), Mercier
patent: 2505660 (1950-04-01), Baumann
patent: 3092184 (1963-06-01), Day
patent: 3261544 (1966-07-01), Guichard
patent: 3391540 (1968-07-01), Bauger et al.
patent: 3405526 (1968-10-01), Aschauer
patent: 3549271 (1970-12-01), Kubota
patent: 3574477 (1971-04-01), Dolf
patent: 4604032 (1986-08-01), Brandt et al.
patent: 4623299 (1986-11-01), Grim

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