TH10656U - Vertical axis wind turbine with 3 adjustable blades. - Google Patents

Abstract

DC60 (02/07/58) This vertical-axis wind turbine has three adjustable blades with three rotor arms angled 120 degrees to each other, forming a three-pronged structure. The lower and upper rotors are mounted on the bottom and top of the rotor shaft, supporting the three blades. These are connected by a shaft. A lever arm is mounted on the upper end of this shaft, and a connecting rod is attached to the other end, secured by a bolt. The other end of the lever arm is then fitted to the crankshaft, which causes rotation and allows the blades to be adjusted. This mechanism is called a four-piece mechanical system. The lower end of the crankshaft is fitted to the rotor shaft as a pivot point, supported by bearings. A rudder is attached to the upper end of the crankshaft, above the three lever arms. Therefore, when the wind changes direction, the rudder rotates to face the wind. This rotation of the rudder causes the crankshaft to rotate as well. When the crank rotates, power is transmitted through the lever arm to the lever arm. This lever arm, which is attached to the blade shaft, allows the turbine blades to rotate and adjust their angle. A pulley is attached to the bottom end of the rotor shaft to transmit power. The entire weight of the three-bladed vertical axis adjustable wind turbine is supported by a pole, which is attached to the bottom end of the rotor shaft, just above the pulley, using bearings to support its rotation. This blade angle adjustment is a special feature that allows this wind turbine invention to utilize both lift and drag forces to provide torque to the rotor, thus increasing its power efficiency. (Edited 14/07/2015 (02/07/2015)) The three-bladed vertical axis adjustable wind turbine has three rotor arms angled at 120 degrees to each other, forming a three-bladed fork. At the ends of the rotor shaft, a lower and upper rotor are attached to support the three blades. The blade shaft connects them together. At this shaft, a pulley is attached... The lever arm is secured at the upper end, and at the other end of the lever arm, a lever rod is connected by a bolt. The other end of the lever rod is then fitted to the crankshaft, which is the part that causes the rocking motion, allowing the turbine blades to rotate and adjust their angle. This operating principle for adjusting the blade angle is called a four-piece mechanism. At the lower end of the crankshaft, it is fitted to the rotor shaft as a pivot point, supported by bearings. At the upper end of the crankshaft, above the three lever rods where they are fitted, a rudder is attached. Therefore, when the wind changes direction, the rudder rotates to face the wind direction. This rotation of the rudder causes the crankshaft to rotate as well. The crankshaft rotation transmits power through the lever rods, which then to the lever arms. The lever arms, fitted to the blade shafts, then allow the turbine blades to rotate and adjust their angle. At the very bottom end of the rotor shaft, a pulley is fitted to transmit power. The entire weight of the three-bladed vertical axis adjustable wind turbine is supported by a pole, which is fitted at the lower end of the rotor shaft, above the pulleys, and supported by bearings. The adjustable angle of these turbine blades is a special feature that allows this wind turbine invention to utilize both lift and drag forces to provide torque to the rotor, thus increasing the turbine's power efficiency. ------------------------------------------------------------------- A vertical axis wind turbine with three adjustable blades has three rotor arms angled 120 degrees to each other, forming three spokes. At the ends of the rotor shaft, a lower and upper rotor are mounted, respectively, supporting the three blades. These are connected by a shaft. A lever arm is mounted on the upper end of this shaft, and a connecting rod is attached to the other end, secured by a bolt. The other end of the lever arm is then fitted to a crank, which is the component that causes rotation and allows the turbine blades to adjust their angle. This principle of operation for adjusting the blade angle is called a four-piece mechanical system. The lower end of the crank is fitted to the rotor shaft as a pivot point, supported by bearings for rotation. At the upper end of the crankshaft, above the three levers where they are fitted, a rudder is attached. Therefore, when the wind changes direction, the rudder rotates to face the wind direction. This rotation of the rudder causes the crankshaft to rotate as well. This crankshaft rotation transmits power through the levers, which in turn transmit power to the connecting arms. These connecting arms, fitted to the blade shafts, allow the turbine blades to rotate and adjust their angle. At the very bottom end of the rotor shaft, a pulley is attached to transmit power. The entire weight of the three-bladed, adjustable vertical-axis wind turbine is supported by a pole, which is mounted at the lower end of the rotor shaft, just above the pulleys, using bearings to support its rotation. This adjustable blade angle is a unique feature that allows this wind turbine invention to utilize both lift and drag forces to create torque on the rotor, thus increasing its power efficiency.

Claims (5)

Revised 14/07/2015 (02/07/2015) 1. A vertical axis wind turbine with three adjustable blades as described in this invention, which consists of an upper rotor (1), a lower rotor (2), a rotor shaft (3), a crank (4), a lever arm (5), a pin (6), a rocker arm (7), a blade shaft (8), turbine blades (9), a rudder (10), a pulley (11), and a pole (12). The upper rotor (1) and the lower rotor (2) are fitted with a rotor shaft (3) as a connecting device, both below and above. The lower rotor (2) and the upper rotor (1) support the three turbine blades (9), with the blade shaft (8) connecting them. The characteristic feature of this invention is that a rocker arm (7) is fitted to the end of the blade shaft (8). When the rocker arm (7) is moved, it causes the turbine blades (9) to rotate and adjust their angle. At the other end of the lever arm (7), a lever rod (5) is connected to it by a bolt (6), and at the other end of the lever rod (5) is fitted onto the crankshaft (4), which is the part that will cause the lever to rotate. At the lower end of the crankshaft (4) is fitted onto the rotor shaft (3) to serve as a pivot point where bearings are provided to support the rotation. At the upper end of the crankshaft (4), above the lever rod (5), a rudder (10) is fitted, so that when the wind changes direction, the rudder (10) will rotate and point toward the wind direction. This rotation of the rudder (10) will cause the crankshaft (4) to rotate as well. As the crankshaft (4) rotates, it transmits power through the lever rod (5) to the lever arm (7), and the lever arm (7), which is fitted to the blade shaft (8), will cause the turbine blades (9) to rotate and adjust their angle. 2. A vertical-axis, three-bladed adjustable wind turbine as per claim 1, which has three flat blades. 3. A vertical axis wind turbine with three adjustable blades according to claim 1, where the crank (4) must have a ratio of radius to shaft length (5) of 1:4.81 to 1:4.83. 4. A vertical axis wind turbine with three adjustable blades according to claim 1, in which the crank (4) must have a ratio of radius to length of arm (7) of 1:1.5. 5. A vertical axis wind turbine with three adjustable blades according to claim 1, where the crank (4) must have a ratio of radius length to length of lower rotor radius (2) equal to 1:4.8. ---------------------------------------------------------------- 1. A vertical axis wind turbine with three adjustable blades as described in this invention, which consists of an upper rotor (1), a lower rotor (2), a rotor shaft (3), a crank (4), a lever arm (5), a pin (6), a rocker arm (7), a blade shaft (8), turbine blades (9), a rudder (10), a pulley (11), and a pole (12). The upper rotor (1) and the lower rotor (2) are provided with a rotor shaft (3) as a connecting device, fitted on both the bottom and top. The lower rotor (2) and the upper rotor (1) support the three turbine blades (9), with the blade shaft (8) connecting them. The characteristic feature of this invention is that a rocker arm (7) is fitted to the end of the blade shaft (8). When the rocker arm (7) is moved, it causes the turbine blades (9) to rotate and adjust their angle. At the other end of the lever arm (7), a lever rod (5) is connected to it by a bolt (6), and at the other end of the lever rod (5) is fitted onto the crankshaft (4), which is the part that engages to cause rotation. At the lower end of the crankshaft (4) is fitted onto the rotor shaft (3), which serves as a pivot point where bearings are fitted to support the rotation. At the upper end of the crankshaft (4), above the lever rod (5), a rudder (10) is fitted, so that when the wind changes direction, the rudder (10) rotates to point toward the wind direction. This rotation of the rudder (10) causes the crankshaft (4) to rotate as well. As the crankshaft (4) rotates, it transmits power through the lever rod (5) to the lever arm (7), and the lever arm (7), which is fitted to the blade shaft (8), causes the turbine blades (9) to rotate and adjust their angle. 2. A vertical-axis, three-bladed adjustable wind turbine, as per claim 1, with three flat blades. 3. A vertical axis wind turbine with 3 blades of the adjustable type according to claim 1, the crank (4) must have a ratio of radius length to lever length (5) equal to 1:4.81 to 1:4.83. 4. A vertical axis wind turbine with three adjustable blades according to claim 1, in which the crank (4) must have a ratio of radius to length of arm (7) of 1:1.5. 5. A vertical axis wind turbine with three adjustable blades according to claim 1, where the crank (4) must have a radius-to-lower rotor radius ratio (2) of 1:4.8.