Windmill structures and systems
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 17, 2000
Issued Date -
N/A
app pub date -
Jan 23, 1998
filing date -
Jul 31, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A windmill having a plurality of radially extending blades, each being an aerodynamic-shaped airfoil having a cross-section which is essentially an inverted pan-shape with an intermediate section, a leading edge into the wind, and a trailing edge which has a flange doubled back toward the leading edge and an end cap. The blade is of substantial uniform thickness. An air compressor and generator are driven by the windmill. The compressor is connected to a storage tank which is connected to the intake of a second compressor.
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