Prime-mover dynamo plants – Fluid-current motors
Patent
1982-05-17
1985-04-16
Witkowski, S. J.
Prime-mover dynamo plants
Fluid-current motors
415 7, 416 84, 417334, F03B 700
Patent
active
045118086
DESCRIPTION:
BRIEF SUMMARY
The invention relates to an installation for exploiting water currents in flowing waters by means of a plurality of water wheels which absorb the movement energy of the flowing water and convert it into a different form of energy, for example, electric energy.
The subject invention is suitable to recover energy in the most simple way without the consumption of raw materials and without polluting the environment. Furthermore, no valuable land should be wasted for large energy recovery installations, just the contrary, additional land should be generated along polluted and hitherto useless river banks in form of pedestrian and bicycle paths.
Water wheels are used for centuries as a drive force. In the last century many tests were performed for driving a plurality of water wheels successively in sheet metal or concrete channels, so as to generate large quantities of energy.
However, for various reasons no progress was made. When water wheels are positioned successively in a channel which is closed on the bottom and on the sides only the foremost wheel receives the full water force. This slows the flow of water during stress, so that the following water wheel does not receive enough flow and water mass. Furthermore, the slowed down flow seeks a way around the channel and is lost for the drive.
It is an object of the invention to provide a device which enables an optimum use of the energy of the flowing water.
To obtain the object, a device of the aforementioned type is suggested which is characterized in that the drive of the water wheel is connected with a pump which sucks water through a suction socket and feeds it through a pressure line to a pressure tank which is connected by means of a pressure line to a turbine generator.
In order to prevent a deflection of the water, a plurality of water wheels are positioned adjacent with respect to each other and, if need be, a plurality of water wheel groups are successively mounted on pontoons. In order to fill the vacuum generated behind the water wheels as rapidly as possible and to maintain the flow, no bottom part should prevent the flow from below the wheels. The water wheels must be suspended as freely as possible in the flow.
Furthermore, the support platoons between the water wheels should have a sufficient distance from each other in the longitudinal direction, so that the larger outer flow can also flow through the inner part of the total device.
All previous tests to drive transmissions of smaller power generators by means of water wheels had to fail. They require a number of revolutions of at least 500/per minute. However, a usable water wheel provides only about 5 number of revolutions per minute. If a belt disk is used for the power generator of 10 cm .phi., the drive disk would have to have a diameter of 10 m. Such a transmission ratio is not productive even with a stepwise operation. For this reason, the recovery of energy through water wheels is only possible by an intermediary switching of double efficient large volume pumps, whereby the slow stroke speed corresponds to the number of rotation of the water wheels. The pumps have a very good degree of efficiency and can drive the largest turbines in any given number commonly through a pressure line.
In order to produce such power plants in any shape and for any purpose, the production in the mechanical assembly technique is recommended. Between 30,100 or even more water wheels are mass produced in the shipyard and are transported on the water way to the operational site where the different units can be coupled with each other as desired.
Furthermore, the installation can be so constructed that the power transmission of a plurality of water wheels is performed by means of driving rods from water wheel to water wheel and at a connecting unit. With this embodiment relatively few support platoons are required, so that all water wheels are very well suspended in the flow.
It is further possible to provide pumps, water lines, pressure tank and power generator in a closed ship body, whereby the water wheel
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patent: 390136 (1888-09-01), Owen
patent: 441183 (1890-11-01), Mather
patent: 988508 (1911-04-01), Reynolds
patent: 1074292 (1913-09-01), Reynolds
patent: 1368454 (1921-02-01), Rebman
patent: 3928771 (1975-12-01), Straunses
patent: 4352990 (1982-10-01), Aucoin, Jr.
Wade Shelley
Witkowski S. J.
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