Vertical axis wind engine
OwnerChi-Kuang Shihinventor
Life of this patent
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Abstract
The present invention is to provide a vertical axis wind engine comprising at least one arm each having its center rotatably coupled to a vertical axis mounted on a base on the ground, each pair of the upper and lower arms adapted to define an airfoil receiving space for pivotably mounting an airfoil by pivot pins thereof; and at least one elastic stop member each provided on the arm proximate the airfoil and spaced from the pivot pins, each stop member adapted to limit a pivot angle of the airfoil and lift the pivot limitation for allowing the airfoil to pivot when the airfoil experiences a wind force larger than a maximum resistance force thereof, preventing the components of the wind engine from being damaged by strong wind or when the wind engine is operating in high speed.
Claims14
A vertical axis wind engine comprising:
- a vertical axis mounted on a base on the ground;
- a transmission provided in a lower portion of the vertical axis, the transmission having a drive shaft for rotational movement output from the vertical axis;
- at least one arm each having its center rotatably coupled to the vertical axis wherein each pair of the upper and lower arms are adapted to define an airfoil receiving spaces therein;
- at least one airfoil each including two pivot pins provided at a top and a bottom thereof respectively, the pivot pins being distal the vertical axis, and each airfoil adapted to pivotably mount in the airfoil receiving space by pivoting about the pivot pins;
- and
- at least one elastic stop member each provided on the arm proximate the airfoil and spaced from the pivot pin, and each stop member adapted to limit a pivot angle of the airfoil,
- wherein each stop member is adapted to lift the pivot limitation of each airfoil for allowing the airfoil to pivot when the airfoil experiences a pushing force of the wind larger than a maximum resistance force thereof.
Dependencies are inferred from the claim text.