Device for conversion between flow and rotation

Details Device for conversion between flow and rotation Device for conversion between flow and rotation

1981-03-31

1984-01-03

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Sustained ancillary movement of rotary working member

Continuous rotation about plural axes

416119, F03D 306

Patent

active

044240023

ABSTRACT:
A device for conversion between flow and rotation includes a fixed revolution center shaft integrally provided with a center sprocket, at least one vane having a self-rotation shaft and turnable about the revolution center shaft and on the self-rotation shaft, a vane sprocket fixed to the self-rotation shaft and having twice as many teeth as the center sprocket, and a chain connecting the two sprockets, whereby the vane rotates through 180.degree. on the self-rotation shaft while it revolves around the revolution center shaft through 360.degree.. The device, even if made comparatively small in size, can efficiently convert energy of a flow to rotational energy or vice versa since the orientation of the vane or vanes is continuously varied to enhance the efficiency. Thanks to the self-rotation of vane, the device has an additional advantage that foreign substances, such as string, rope and straw, are automatically removed.

REFERENCES:
patent: 441461 (1890-11-01), Aret
patent: 457273 (1891-08-01), Hall
patent: 745745 (1903-12-01), Vojacek
patent: 1772119 (1930-08-01), Van Lammeren
patent: 1775593 (1930-09-01), Kahn
patent: 4097190 (1978-06-01), White
patent: 4311918 (1982-01-01), Vaseen

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