Rotary kinetic fluid motors or pumps – With means for controlling casing or flow guiding means in... – Natural fluid current force responsive
Patent
1981-05-28
1983-12-20
Coe, Philip R.
Rotary kinetic fluid motors or pumps
With means for controlling casing or flow guiding means in...
Natural fluid current force responsive
415 68, 415122A, 415DIG8, F03D 704
Patent
active
044214529
DESCRIPTION:
BRIEF SUMMARY
Apparatus for the purpose of collecting wind energy already exist in the prior art technique. Those apparatus are appreciably derived from ancient windmills and comprise helixes having two, three or several vanes, whether or not carinated, with or without variable steps, bucket wheels, etc . . . The driving motors forming those helixes must obviously be located as high as possible to be actuated at the maximum by the force of the wind, and this implies to have them occupy a position in which they are exposed to sudden squalls, storms, etc. Moreover, they must be movable in orientation according to the direction of the wind. Their precarious equilibrium is frequently transformed out of balance when the wind is blowing in sudden gusts from top to bottom or inversely, causing particularly harmful violent shocks, hence the necessity of constructing a very strong framework and assembly and to resort to very elaborate apparatus. Notwithstanding this those devices resist poorly and their height is very limited as well as their capacity for being transmitted, and this greatly decreases their advantage, particularly as far as great stations for the purpose of serving communities are concerned.
The object of the present invention is a station for collecting winds obviating all the above-enumerated disadvantages and consequently for making very powerful installations, the assembly of which is considerably streamlined and renders their functioning much more reliable.
According to the invention, the station is formed by a construction in the form of a hollow column, at the interior of which the driving elements are located, which thus are entirely protected, the wind being collected at the upper part of the column with the help of appropriate particular means. The arrangements of this construction assures by a simple set of articulated flaps the optimum action of the wind on the energy collecting members, such as helixes and vanes, whatever be the direction of the latter, without the necessity for a change in orientation of those members, even in the case of variations of direction or sudden squalls.
The driving members are movable in rotation around a vertical axis, arrangement permitting to provide supporting means placed at the end far from the center of those members which, by giving great stability to the latter, allows for giving them very large dimensions and because of this to obtain great effectiveness.
Moreover, safety valves protect the driving members against any eventual excess pressure that could be harmful.
Finally, according to the invention, means are also provided to cause the driving members to start in rotation in the case where the airflow is insufficient to determine actuation as well as to determine regulation of the movement of rotation of the said driving members.
The attached drawing is for the purpose of illustration to give a detailed description of the invention showing in a schematic form various modes of embodiments thereof.
FIG. 1 shows an elevation and partial plan view of the aggregate of a station in the form of a column according to the invention together with the constituting element included in the latter.
FIGS. 2 and 3 are plan views respectively of the upper part and lower part of the station.
FIGS. 4, 5 and 6 show different forms of flaps that the column can be provided with.
FIG. 7 shows in a more detailed manner the mounting of the driving members.
FIGS. 8 and 9 are plan views at the levels of FIG. 7 defined by mixed lines (dashes).
FIGS. 10 to 12 show means for starting rotation of the driving members independently from the action of the wind.
FIG. 13 shows an embodiment of the station in the form of a hollow column having a metallic structure.
FIG. 14 is a schematic plan view according to a--a of FIG. 13.
FIG. 15 shows schematically bracing means of the station.
FIGS. 16 and 17 respectively show, in elevation and in plan view, an apparatus to allow for starting the driving members in rotation when the wind is insufficient to determine actuation, to which a regulating flap is
REFERENCES:
patent: 2485543 (1949-10-01), Andreau
patent: 4070131 (1978-01-01), Yen
patent: 4116581 (1978-09-01), Bolie
Coe Philip R.
Stinson Frankie L.
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