greenenergy

Wind generators have a post, a rail mounted on the post and a blade assembly mounted rotatably on a top of the post. The blade assembly includes multiple blades radially formed around a base. Each blade has multiple vents, a slat and multiple relief valves. The slat is controllable mounted to open or close the vents, so as to adjust a force of wind applied to the blades. The relief valves are mounted pivotally to selectively cover valve holes formed through the blades to prevent the wind resistance force applied to the blades. Therefore, the wind generator can work in both turbulent and with a low wind force without breaking.

Wind is created by a mixture of sunlight and the rotating Earth, but instead of just letting the wind blow, scientists have come up with an efficient way to harness the power of the wind and create wind generators. Wind generators create energy and electricity by using a simple system that is nearly perfected. Wind farms that are large collection of wind turbines have begun to develop and spread out around the world to provide a new alternative energy source.

 Wind generators are machines for converting kinetic energy from wind into electricity, and are developed into various types to adapt to different circumstances.

A wind generator comprises a post, a blade assembly and a generator. The post is mounted vertically. The generator is mounted on the post to generate electricity. The blade assembly is mounted rotatably on the generator and is rotated horizontally by the wind to allow the generator to function.

However, such kind of wind generators suffer from pulsating torque produced during each revolution and their efficiency is reduced by drag created when the blade rotates into the wind. The wind generators are also inappropriate to mount in high places, meaning they must operate at slower wind speeds near the ground, thereby causing inconvenience and resulting in lower energy extraction efficiency.

To overcome the shortcomings, the present invention provides a wind turbine generator   to obviate or mitigate the aforementioned problems.
Wind generators are typically created to capture the wind power of the horizontally flowing winds. These are recognized by having a large shaft with the generator placed on the top and connected to three large wind turbine blades. Some wind generators are created to capture all wind directions and feature a curved rotor set-up that can spin multiple ways.
Wind generators that create a large supply of energy stand over 100 feet tall. This is the typical size, but small wind generators can be placed on rooftops and provide power for lighting or some small appliances. When grouped together, wind generators can take up large areas of land and form wind farms. The wind generators are spread far enough to avoid any interference between turbine blades.

The main objective of the present invention is to provide a wind generator that can work in any turbulent or slow airflow condition.

Another objective, the wind generator manufacturer has a blade assembly that automatically balances the loads of blades of the blade assembly, to prevent the wind generator from being damaged.

Other objectives, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
Wind generators are used to create energy and provide electricity. When the three blades spin, they also spin the turbine that is connected to the blades. This turbine is connected to a generator on top of the large shaft and the spinning of the generator uses the power of large magnets and wires to create electricity. This electricity is sent down through the shaft and into a power grid where it is dispersed to different sources needed for electricity.

Accordingly, the wind generator in accordance with present invention is less susceptible to breakage by pulsating torque produced during each revolution and drag created when the blade ( 33 ) rotates into the wind. The wind turbines are stably operated in places with high air turbulence or slow airflow, and has a high energy extraction efficiency.

Even though numerous characteristics and advantages of the present invention have been set forth in the foregoing description together with details of the structure and function of the invention, the disclosure is illustrative only. Changes may be made in detail especially in matters of shape, size and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.
Wind generators are located in places featuring high wind classes. There are several different wind classes and in order to get the most power possible, the wind generators are usually placed in a Class four or above. The best places to locate wind generators are off of the coastal area or high up in mountains where wind is almost constantly flowing.

Wind generators are a great alternative to fossil fuel burning plants. They are cost-effective to the plants, and building and maintenance of wind generators will cost about the same to run a coal burning plant. They also do not emit any emissions into the air and are a clean source of power. Wind power is essentially another version of solar power because the sun helps provide wind to the earth and the sun is a constant renewable source of power.

source:bloggum|wind generators

A hydro-electric generator for producing electricity in areas of flowing water. The hydro-electric generator includes a flotation device. An electric generator is mounted on the floatation device. A paddle wheel is rotatably mounted to the floatation device. The paddle wheel is mechanically coupled to the electric generator. The floatation device is anchored in an area of flowing water such that a current rotates the paddle wheel and electricity is produced.

This article looks at the history of water-driven machinery and its modern application in the generation of electrical power. It also looks at some of the potential benefits and controversies surrounding water wheel electric generators, also known as hydro electric generators .

The present invention relates to electricity generating devices and more particularly pertains to a new hydro- electric generator for producing electricity in areas of flowing water.
The use of electricity generating devices is known in the prior art. U.S. Pat. No. 3,644,052 describes a device for producing electricity from the motion of waves. Another type of electricity generating devices is U.S. Pat. No. 6,133,644 which utilizes the ocean's surf to produce electricity.

While these devices fulfill their respective, particular objectives and requirements, the need remains for a device which is portable and can be positioned in any area where water flow can be used for producing electricity.
Capturing the immense energy created by moving water, water wheels were used by the Romans to turn mills to process grains into flour. The ancient Chinese took the process one step further and connected the drive axle of the water wheel to a cam which opened and closed bellows to stoke fires in the furnaces of Chinese ironworks. Medieval Europeans used watermills to pump water from mines, and process the resulting ore, from mines that stretched ever deeper. In the modern era, the most famous use of water wheels to generate electricity is, arguably, the Hoover Dam. Despite the advancement of time and technology, the basic premise has remained unchanged for thousands of years.

The present invention meets the needs presented above by using a barge type floatation device to mount generators on to produce electricity where needed.

To this, the present invention generally comprises a flotation device. An hydro electric generators manufacturer   is mounted on the floatation device. A paddle wheel is rotatably mounted to the floatation device. The paddle wheel is mechanical coupled to the electric generator. The floatation device is anchored in an area of flowing water such that a current rotates the paddle wheel and electricity is produced.

There has thus been outlined, rather broadly, the more important features of the invention in order that the detailed description thereof that follows may be better understood, and in order that the present contribution to the art may be better appreciated. There are additional features of the invention that will be described hereinafter and which will form the subject matter of the claims appended hereto.

The objects of the invention, along with the various features of novelty which characterize the invention, are pointed out with particularity in the claims annexed to and forming a part of this disclosure.
Electricity can be generated through three different configurations of a water wheel; horizontal, overshot, and undershot. An "overshot" water wheel is one in which the water flows over a wheel, the weight of the water pushing on a series of paddles set into a "wheel." As the wheel turns, it turns the axle or shaft of the waterwheel which in turn powers machinery or hydro electric generators . "Undershot" wheels apply the same principle, but the water source passes under the water wheel. Horizontal waterwheels are wheels with angled paddles sunk into a directed stream of water to capture the energy of the water. It is this last design which is most popular to use in hydroelectric plants.

Electricity can be generated through three different configurations of a water wheel; horizontal, overshot, and undershot. An "overshot" water wheel is one in which the water flows over a wheel, the weight of the water pushing on a series of paddles set into a "wheel." As the wheel turns, it turns the axle or shaft of the waterwheel which in turn powers machinery or electrical generators. "Undershot" wheels apply the same principle, but the water source passes under the water wheel. Horizontal waterwheels are wheels with angled paddles sunk into a directed stream of water to capture the energy of the water. It is this last design which is most popular to use in hydroelectric plants.

Hydroelectric plants rely on a series of hydro generators to produce electricity. As the shaft turns, it rotates a rotor within the generator. The rotor had large magnets wrapped in copper wire at the edges and rotates within a cylinder lined with more magnets called a "stator." The magnets, passing by each other, generate electricity, which is captured by the copper wire and transferred to wiring, which carries the current away to be used elsewhere.

source:bloggum|hydro generators

This invention is a solar water pumps that used solar heated steam to pump water from a deep well. The energy of the steam is transmitted down the well to the pump by means of a water filled hose or duct. The water in the hose is intermittently pressurized. During pressurization the water in hose or duct is directed against a diaphram in a chamber at the bottom of the well. The water pressure in that chamber forces the diaphram into an adjacent chamber. This action forces water in the adjacent chamber out of that chamber through a check valve and upwards toward the surface.

The column of water that transmits the energy of the steam to the pumping diaphram is subsequently relieved of pressure from the steam and the elastic diaphram retracts itself from the adjacent pumping chamber into which it had been forced by the pressurized water column. The contracting action of the diaphram with the pressure removed causes the cavity of that adjacent pumping chamber to expand and to create a vacuum which draws in water from the well bed into that same pumping chamber through a check valve thereby filling the pumping chamber and making it ready for the subsequent pressurization when water will force the diaphram into this chamber again and again drive the water through the first check valve and toward the surface. The novelty of this invention derives from the way in which solar energy is employed to provide the reciprocating column of water which does the work of pumping by moving the diaphram back and forth. In the former art steam pressure has been used to pump water when the steam pressure formed in a boiler was directed into a water filled chamber by valving and the pressure of the steam then forced the water from the chamber through a check valve.

The humble mechanism of a residential water pump pre-dates the invention and availability of electricity. The bucket on a rope was replaced by the hand pump, which was replaced by electric pump, which will someday be replaced by the solar water pump . The four types of residential water pumps are mechanical (hand pump), jet pump, submersible pump and solar powered water pump.

 When the valving that admitted the steam was closed, the condensing steam then created a vacuum which was able to draw into the chamber other water through another check valve in order to fill the chamber for another pressurization cycle when steam would again drive the water from the chamber. However, in this present invention water is not drawn into the chamber through one check valve to subsequently be expelled through another, but rather the water that is driven out of the chamber through a duct in place of the check valve is subsequently returned to the chamber so that the same water merely moves back and forth, in and out, of the chamber. In this invention the chamber in which steam acts on the water is only indirectly a pumping chamber in that the same water which is pushed from the chamber immediately returns to it, and the water moves back and forth to provide a reciprocating column of water and it is then the column of water which is employed to do pumping work at great distance from the source of the steam. In this way the principle of steam pumping may be employed at the bottom of a well where it would be difficult to employ a steam pumping chamber since much of the steam would condense on its way to the steam chamber at the bottom of the well.

There are five commonly accepted categories of hand pump ranked by the suction and the lift (or height). Suction equals about 20 feet maximum and can be limited by the elevation and atmosphere. The height to which the water can be lifted is related to the physical strength of the lifter(s). The five categories are suction pumps up to about 20 feet and about 45 feet for each of the others; low lift, direct action, intermediate lift and high lift pump.

 The vacuum produced in a steam pumping chamber left on the surface would only be capable of drawing up water from a depth of thirty nine feet but by the concept of this present and novel invention, the high pressure steam acting on the column of water wold provide hydraulic pressure for pumping at a great depth. Beside providing a means of extending the use of the steam pump for pumping from deep wells, the object of this inventive concept is to produce steam surges in a different way and to extend the utility of my copending application Ser. No. 101,218 called, "Pulsing Steam solar water heater ". This copending application does not require a separate boiler to provide pressure surges of steam from a solar collector, but it is not able to draw water to the pump for pressurization from a depth of over thirty nine feet. Its novel method of providing pressure surges quickly whenever sunlight is available provides an ideal source of solar heated steam energy for actuating the deep well pumping system of this present invention. Another object of this present invention is to provide a more simple and less costly means of producing steam surges from a solar collector in order to pump water with solar heated steam in a more simple manner.

Every country in the world will be changed to some extent by the latest in residential water pumps. The innovation is the solar water pump and technology has been successfully deployed on the African continent in Uganda, Sierra Leone and Liberia. The revolutionary aspects is the solar equipment is transportable and does not require connection to an electric grid service. The concept is solar water pumps can be deployed in currently uninhabitable and underused land, wherever viable ground water is identified. Residential, commercial, industrial and scientific applications are limitless. This could change the world in regard to countries' ability to house their people and provide food withing their own borders.

This is done in one embodiment by providing an alternate means of intermittent water delivery to the steam generating chamber. This new provision removes both the requirement of the small electric water pump and also removes the requirement for that part of the solar cell array needed to energize that pump. This object is accomplished by elevating the pumping chamber in which the steam acts on the water to a position higher in elevation than the water inlet to the steam generating chamber. Still another object is to combine the advantages of the simpler steam pulse generating system with the advantages of the reciprocating water column in order to provide a simple, solar pump that can pump water from deep in the earth.

source:bloggum|solar water pump

Modern wind turbines are divided into two major categories: horizontal axis turbines and vertical axis turbines. Horizontal axis wind turbines typically comprise a tower and a fan-like rotor mounted at the top of the tower for rotation about an axis substantially parallel to the earth's surface. The rotor of a horizontal axis wind turbine must face either into or away from the direction of the wind and a yaw mechanism is required to rotate the rotor about the vertical axis of the tower to keep the rotor in proper alignment with the wind flow. Since a mechanical means of delivering power to the ground could cause the rotor to yaw out of alignment with the wind, energy conversion devices, such as generators; power transmission equipment; and related equipment are typically also mounted atop the tower. A structurally robust and costly tower is required to support the weight of the elevated equipment. In addition, the tower structure must be resist oscillation and fatigue resulting from pressure pulsations produced by the interaction of the moving rotor blades and the tower. Likewise, the pressure pulse created by the wind shading of the tower causes the blades of the rotor to flex inducing fatigue in the blades and other rotor components. Maintenance of horizontal axis turbines can be complex because the equipment is located at the top of the tower. A large crane is typically required to replace equipment or to support the rotor during bearing replacement or maintenance. While horizontal axis wind turbine installations are relatively complex and expensive, they are the most common wind turbine configurations in current use.

Wind generation of electricity is one form of green energy. The green-energy market is very competitive. Leasing land for wind turbine development is challenging in the current market. Wind developers are aggressively leasing good wind areas based on national maps where general wind studies have been conducted. To lease land for wind development, several factors must be considered for a developer to be interested. Land owners wishing to lease land can approach a developer more successfully by being aware of the needs of the developers.

Vertical axis wind turbines comprise, generally, a central shaft arranged vertically with respect to the ground and rotatably supporting a plurality of blades or vanes arrayed around the shaft and roughly perpendicular to the wind flow. Vertical axis turbines do not require a yaw mechanism to align the blades with the wind and the generator or other energy converter and related power transmission equipment may be mounted on the ground at the base of the turbine, potentially substantially reducing the complexity and cost of the installation.

Vertical axis wind turbines are divided generally into lift- and drag-types. Drag-type vertical axis wind turbines , exemplified by the three-cup anemometer and the Savonius wind turbine, are rotated by the force produced by the wind impinging on the exposed area of cups, buckets, or paddles arranged around a vertical shaft. Savonius, U.S. Pat. No. 1,697,574, incorporated herein by reference, discloses a vertical axis wind turbine that can be described as a barrel cut in half lengthwise with the halves offset to form two scoops and mounted on a vertical shaft. The efficiency of a Savonius turbine is limited because power produced by the gathering side of the rotor is offset by drag produced by the other side of the rotor. In addition, since the area of the scoops exposed to the wind flow varies as the turbine rotates, the torque is not even throughout a revolution of the shaft and no torque will be produced to initiate rotation if the rotor is improperly aligned with the wind flow. Further, the maximum velocity of the cups or paddles of a drag-type turbine is substantially equal to the velocity of the wind (tip speed ratio≈1). While this type of turbine can produce high torque and can be useful for pumping water and similar tasks, the speed of rotation is generally too slow for efficient production of electricity, a major use of commercial wind turbines manufacturer .

Measure the wind. This task can be expensive as the cost of a meteorological tower, or met tower as they are commonly known, will run in the thousands. This could be money well spent by the owner as this data will help determine the kind and size of wind turbines to be used in a project that could be viable on the land. These studies can be sold or negotiated as part of the lease price with a developer.

Lift-type vertical axis turbines rely on the lift force generated as the wind flows over an air foil to obtain tip speeds exceeding the wind's velocity. Darrieus, U.S. Pat. No. 1,835,018, incorporated herein by reference, discloses a wind turbine typifying lift-type vertical axis wind turbines. The Darrieus wind turbine is the only vertical axis wind turbine ever manufactured commercially in any volume. The Darrieus wind turbine may comprise C-shaped rotor blades attached at their top and bottom ends to a vertical central shaft or rectilinear blades arranged parallel to the shaft in a cylindrical drum or squirrel cage arrangement (sometimes referred to as a “Giromill”). Darrieus turbines typically have two or three blades. Since lift forces provide the torque for rotation, the tip speed of the blades can exceed the speed of the wind. Darrieus wind turbines can have a tip speed ratio exceeding three making this type of turbine suitable for electric power generation.

While vertical axis wind turbine installations are potentially less complex and costly than horizontal axis turbines, the lack of commercial success of vertical axis turbines is indicative of substantial drawbacks of this type of turbine. Since no tower is required, a major cost of a wind turbine installation is eliminated. However, wind speeds close to the ground are very low and turbulent due to boundary layer effects. As a result, the output of a vertical axis turbine, particularly the lower half of the rotor, is limited and the overall efficiency is relatively low. Further, guy wires may be required to stabilize the vertical shaft which may make the turbine impractical in extensively farmed or built-up areas. While the power conversion equipment can be mounted at ground level, a crane is typically required to lift the vertical shaft and blades for bearing replacement or maintenance. In addition, lift-type vertical axis turbines are not self starting, but an electric generator connected into a power grid can be used as a motor to start the turbine.

What is desired, therefore, is a wind turbine combining the lower cost and reduced complexity of a vertical axis wind turbine with the higher efficiency and performance of a horizontal axis wind turbines .
If the property is known to be in a good wind area, many developers will lease enough land to install the met towers for the land owner and pay the costs. Met towers measure the speed of the wind, the air pressure and the temperature in 10 minute intervals, at varying distances above the ground up to approximately 100 feet. This information is fed into a computer program to be analyzed by a data expert. The quality of the wind is determined by this information. The longer the time of the study, the more accurate the information. Turbines are typically 400 feet tall, so this data is used to estimate wind quality at the higher turbine elevations.

source:bloggum|wind turbines