Vertical axis windmill

Details Vertical axis windmill Vertical axis windmill

1981-08-20

1984-03-06

Powell, Jr., Everette

Fluid reaction surfaces (i.e., impellers)

Sustained ancillary movement of rotary working member

Responsive to gravity or working fluid force

416 44, 416 46, 416140, F03D 706

Patent

active

044351240

ABSTRACT:
A vertical axis windmill has a blade pivotally connected to a rotatable support structure on an axis passing through its center of gravity which is arranged to lie forward of its aerodynamic center whereby the blade automatically swings outwardly and inwardly when moving on the windward and leeward sides respectively of the axis of rotation of said support means.

REFERENCES:
patent: 498068 (1893-05-01), Lonning
patent: 1319174 (1919-10-01), Ochoa
patent: 1582361 (1926-04-01), Welsch
patent: 1592242 (1926-07-01), Welsh
patent: 1794930 (1931-03-01), Spencer
patent: 2457514 (1948-12-01), Wood
patent: 4052134 (1977-10-01), Rumsey
patent: 4137009 (1979-01-01), Telford
patent: 4180367 (1979-12-01), Drees

Affiliated with

Also associated with

Rating

Vertical axis windmill does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Vertical axis windmill, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vertical axis windmill will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-739551