Elastic mounting for a cycloidal propeller

Details Elastic mounting for a cycloidal propeller Elastic mounting for a cycloidal propeller

1984-09-10

1987-05-12

Peters, Jr., Joseph F.

Marine propulsion

Screw propeller

With vibration dampening

464 95, 403225, F16D 2564

Patent

active

046646361

ABSTRACT:
An arrangement for mounting a cycloidal propeller is disclosed which has elastic support rings and elastic thrust rings. At least the elastic thrust rings are clamped between two frustoconical surfaces which are substantially parallel to each other. One surface is on a ring attached to the propeller base plate and the other is on a ring attached to the propeller foundation. The position of the rings may be changed to adjust the natural frequency of the mounting, for better damping of the forces from the propeller. The elastic support rings are preferably also clamped between parallel frustoconical surfaces. The angle of inclination of all the frustoconical surfaces in relation to the plane of the propeller base plate is between 32.degree.-38.degree..

REFERENCES:
patent: 1373082 (1921-03-01), Laycock
patent: 1580747 (1926-04-01), MacDonald
patent: 2538499 (1951-01-01), Benoit
patent: 4493662 (1985-01-01), Taguchi
W. Baer, "Norddeutscher-Lloyd-Schlepper `Stier`", Schiff und Hafen, vol. 7, (Jul. 1954), pp. 414-418.
Dubbel, "Taschenbuch fur den Maschinenbau", p. 535, FIG. 127.
"Hutte," 1954, p. 128, FIGS. 32 and 34.
Voith, Cycloidal Propulsion, 1959, (6 pages).
Voith, Voith-Schneider Propulsion, pp. 1-8.
"Schiff und Hafen", vol. 4, 1969, p. 244, entitled Schallisolierung und elastische Lagerung von Querstrahlaggregaten.
"Hansa", p. 1207, 1950, entitled Bereisungsboot `Karl Jarres` der Duisburg-Ruhrorter Hafen A.G.

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