F - Mech Eng,Light,Heat,Weapons – 03 – D
Patent
F - Mech Eng,Light,Heat,Weapons
03
D
F03D 11/04 (2006.01) F03D 3/00 (2006.01) F03D 3/06 (2006.01)
Patent
CA 2581618
One or more vertical axis wind turbines (VAWT), preferably of the Savonius type, are mounted in a relatively simple and inexpensive manner. For a single VAWT a center pole may be disposed within a hollow shaft of the VAWT with at least upper and lower bearings acting between the shaft and center pole. Alternatively, a short tower or platform may mount a lower bearing (e. g. about 4--14 feet off the ground) for the VAWT shaft, and an upper bearing for the shaft may be mounted by an outrigger. The outrigger is connected at a number of different points (e.g. different arms) by strands (such as steel cables) to stationary supports. Where multiple VAWTs are provided, them may be in a cluster. Each VAWT in the cluster has a structural support in common with at least one other VAWT of the cluster, and each VAWT is operatively connected to a separate useful driven mechanism (such as an electricity or fuel gas generator). Each VAWT typically has an outrigger mounting an upper bearing, with strands, rods, or bars, connecting outriggers of adjacent VAWTs together. Different VAWTs in the cluster preferably rotate in different directions.
Na
Vanderhye Robert A.
LandOfFree
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