WIND TURBINE WITH STABLE POWER OUTPUT

• US 20110006524A1
• Filed: 07/09/2009
• Published: 01/13/2011
• Est. Priority Date: 07/09/2009
• Status: Abandoned Application

• Current Assignee: Chun-Mu Chou
• Original Assignee: Chun-Mu Chou
• Inventors: CHOU, CHUN-MU
• Application Number:
  US12/499,886
• Publication Number:
  US 20110006524A1
• Time in Patent Office: Days
• US Class Current: 290/44
• CPC Class Codes: F03D 1/04 having stationary wind-guiding means, e.g. with shrouds or channels F03D9/35 takes precedence
• CPC Class Codes: F03D 3/005 the axis being vertical
• CPC Class Codes: F03D 3/02 having a plurality of rotors
• CPC Class Codes: F03D 9/25 the apparatus being an electrical generator F03D9/22 takes precedence
• CPC Class Codes: F03D 9/34 on stationary objects or on stationary man-made structures
• CPC Class Codes: F05B 2240/40 Use of a multiplicity of similar components
• CPC Class Codes: F05B 2240/9111 which is a chimney
• CPC Class Codes: Y02E 10/72 Wind turbines with rotation axis in wind direction
• CPC Class Codes: Y02E 10/728 Onshore wind turbines
• CPC Class Codes: Y02E 10/74 Wind turbines with rotation axis perpendicular to the wind direction

Abstract

A wind turbine includes a plurality of superposed rotor assemblies each comprising a top first rotor, a plurality of second rotors, and an electric motor; a manifold having one ends each being in fluid communication with the bottommost second rotor; a rotor and generator assembly having one end being in fluid communication with the other end of the manifold, the rotor and generator assembly comprising a plurality of units each including a main rotor having a first valve, a bypass pipe interconnecting both ends thereof, the bypass pipe having a second valve at a forward joining portion thereof and the main rotor, and a first generator driven by the main rotor; and a feedback pipe having one end connected to the other end of the rotor and generator assembly and the other ends connected to the first rotors respectively.

Claims

1. A wind turbine for transforming wind energy into electrical energy, comprising:

a plurality of superposed rotor assemblies each comprising a top first rotor, a plurality of second rotors, and an electric motor;

a manifold having one ends each being in fluid communication with the bottommost second rotor;

a rotor and generator assembly having one end being in fluid communication with the other end of the manifold, the rotor and generator assembly comprising a plurality of units each including a main rotor having a first valve which is open in a normal operation, a bypass pipe interconnecting both ends thereof, the bypass pipe having a second valve at a forward joining portion thereof and the main rotor, the second valve being closed in the normal operation, and a first generator driven by the main rotor; and

a feedback pipe having one end connected to the other end of the rotor and generator assembly and the other ends connected to the first rotors respectively,

wherein the electric motors are activated to rotate the topmost second rotors so that the second motors have an internal pressure lower than a predetermined pressure to direct wind stream through the second rotors via the first rotors for rotation;

the wind stream leaving the second rotors enters the main rotors for rotation so that the generators can generate electricity; and

the wind stream leaving the rotor and generator assembly enters respective joining portions of the first rotors and the topmost second rotors via the feedback pipe;

wherein the electric motors are deactivated when the internal pressures of the second rotors are equal to the predetermined pressure with the generators continuing to generate electricity; and

wherein in response to one of the units being malfunctioned the first valve thereof can be closed and the second valve thereof can be open to cause the wind stream to bypass the malfunctioned unit.

2. The wind turbine of claim 1, further comprising a plurality of second generators each driven by the main rotor and disposed opposing the first generator.

3. The wind turbine of claim 1, further comprising a first drain port disposed in a lowest portion of the superposed rotor assemblies, and a second drain port disposed in the rotor and generator assembly.

4. The wind turbine of claim 1, further comprising a plurality of first heating elements each disposed on an inner surface of the superposed rotor assembly, and at least one second heating element disposed on an inner surface of the rotor and generator assembly.