Water pumping push-pull windmill

Details Water pumping push-pull windmill Water pumping push-pull windmill

1992-08-13

1994-11-22

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

With means positioning fluid current driven impeller...

Offset relative to flow direction

416 13, 416 16, 416170R, 471336, F03D 704

Patent

active

053663420

ABSTRACT:
The windmill has a stub tower having a rotatable platform carrying a wind driven fan with an input shaft driving a transmission mechanism on the platform. The mechanism carries two balanced cranks which rotate continuously and two pitman arms at opposite ends of an output cross shaft driving a single rocking beam having a massive head moved up and down. The head is coupled by flexible members to a vertical pump rod which is reciprocated by the rocking beam. A tail assembly coupled to the platform tracks the wind and rotates the platform so that the fan faces into the wind. The tracking assembly furls the fan out of the wind when the wind speed is excessive. The tracking assembly rises up on an inclined coupling rod to load the tracking assembly gravitationally when the fan is in furled position. When the wind speed decreases, the tracking assembly descends on the coupling rod to turn the platform and unfurl the fan to face the wind.

REFERENCES:
patent: 3209605 (1965-10-01), Scoggins, Jr.
patent: 4121471 (1978-10-01), Chancellor
patent: 4211126 (1980-07-01), Sutz
patent: 4427342 (1984-01-01), Sutz et al.
patent: 4507060 (1985-03-01), Sutz
patent: 4723452 (1988-02-01), Watson

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