Reversible and self-adjusting propeller device

Details Reversible and self-adjusting propeller device Reversible and self-adjusting propeller device

B - Operations, Transporting

63

H

115/26

B63H 3/00 (2006.01)

Patent

CA 1260773

ABSTRACT OF THE DISCLOSURE A self-adjusting propeller device (20) having a control blade (32) and a thrust blade (30) connected together in nondiametrical relation and pivotally mounted on a hub (22) for rotation about a hub axis. In response-to a change in load on the device, the control blade (32) pivots in relation to the hub axis at generally constant pitch, and, by virtue of the manner in which the control and thrust blades (32) (30) are interconnected and disposed on the hub (22), the thrust blade (30) pivots at a changing pitch so that the device applies a substantially constant torque. Structure is provided for changing the pitch of the control blade (32) independently of the load from a remote location during operation of the device. The selection of control blade pitch positions provides for transmission of forces in either axial direction and at selected magnitudes including a neutral or non-force-transmitting mode.

535664

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