Marine contra-rotating propeller apparatus

Details Marine contra-rotating propeller apparatus Marine contra-rotating propeller apparatus

1984-07-16

1987-02-10

Barefoot, Galen L.

Marine propulsion

Screw propeller

Having transmission

440 81, 416129, B63H 2300

Patent

active

046420592

ABSTRACT:
A marine contra-rotating propeller apparatus for propelling a ship by contra-rotating propellers is characterized by the provision of an inner shaft having one end directly coupled to an output shaft of a main diesel engine and the other end to which an outside propeller is mounted and an outer shaft having one end coupled to the inner shaft through a reversing transmission mechanism and an elastic coupling and the other end to which an inside propeller is mounted.

REFERENCES:
patent: 1381939 (1921-06-01), Small
patent: 3545585 (1970-12-01), Eaton, Jr.

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