Fluid transferring apparatus imitating flapping movement of bees

Details Fluid transferring apparatus imitating flapping movement of bees Fluid transferring apparatus imitating flapping movement of bees

1992-06-04

1994-04-12

Bertsch, Richard A.

Pumps

Transversely movable impelling member

F04B 1900

Patent

active

053020928

ABSTRACT:
A fluid transferring apparatus achieves a two-dimensional flow of fluid with high efficiency and at low noise by imitating a Weis-Fogh mechanism with use of a simple mechanism. In the fluid transferring apparatus, a wing assembly X comprised of a predetermined number of plate-like wings is provided in a transverse direction of a flow passage. A wing assembly X is supported by a link of a crank mechanism which is constituted of a crank rotated by a motor, a slider slidable in a direction orthogonal to a direction of a flow in a flow passage and the link coupling the crank with the slider, so that rotational motion of the crank is transmitted to the slider as a reciprocal movement. While an angle of attack of each wing is changed by oscillating action of the link, each wing is moved in a transverse direction of the flow passage as the link is reciprocated, thereby achieving transfer of fluid.

REFERENCES:
patent: 12190 (1855-01-01), De Bergue
patent: 1601246 (1926-09-01), Frost
patent: 2728298 (1955-12-01), Shafer
patent: 3048141 (1967-08-01), Fisk

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