Alloys or metallic compositions – Processes
Patent
1990-02-20
1993-06-15
Rosenberg, Peter D.
Alloys or metallic compositions
Processes
75 1067, 266173, C22C 100
Patent
active
052195228
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a method of producing a substance utilizing an agravic effect, and an apparatus for carrying out the same, and more particularly, to a method of producing a substance, such as an alloy having a homogeneous alloy composition and structure consisting of a plurality of elements each having a different specific gravity, in an agravic environment created by nullifying terrestrial gravitation instead of a microgravitational environment created by utilizing an artificial satellite or a deep shaft, and an apparatus for carrying out such a method. This method and apparatus are applicable also to various industrial purposes utilizing an agravic effect other than producing alloys.
BACKGROUND ART
It has been considered that an agravic environment cannot be created in any way other than by creating an agravic environment in an artificial satellite or an aircraft in an agravic sphere, or allowing objects, for example, a mixture of the component substances of an alloy, to fall into a deep shaft, such as a pit in an abandoned mine. A huge amount of money has been invested in the development of means for creating an agravic environment, but the great expense incurred by this development is reflected directly by the cost of products manufactured by such a costly means. Accordingly, there is a demand for the development of a method of creating an agravic environment at an economically acceptable cost, and for an economically feasible apparatus for creating an agravic environment.
DISCLOSURE OF THE INVENTION
Accordingly, an object of the present invention is to provide a method and an apparatus able to meet such a demand.
Another object of the present invention is to nullify the effects of gravity, while evaluating the diverse effects accompanying this nullification of gravity, and to create an agravic environment having an appropriate range.
The present invention provides a method of producing a substance utilizing an agravic effect, characterized in that a container containing a mixture of materials is revolved about a horizontal axis, at least during the progress of changes in the materials, at an angular velocity .omega. (rad/s) meeting an inequality: ##EQU2## where g (mm/s.sup.2) denotes the gravitational acceleration, r (mm) the distance between a portion of the materials subject to the effect of a residual centrifugal force acting thereon at every cycle, and an axis of rotation of the container rotating about its own axis, and x the upper limit of the ratio between the residual centrifugal force acting on the portion of the materials and the terrestrial gravitation (gravitational acceleration g).
To carry out the foregoing method, in accordance with one aspect of the present invention, an apparatus for producing a substance utilizing an agravic effect comprises a bearing housing fixedly set on the ground, a bearing provided on the housing, a rotary shaft supported for revolution in one direction in the bearing, a container mounted on the rotary shaft with the center of materials contained therein on the axis of the rotary shaft, and a mechanism for revolving the rotary shaft in one direction at an angular velocity meeting the aforesaid inequality.
In accordance with another aspect of the present invention, an apparatus for producing a substance utilizing an agravic effect comprises two parallel, horizontal axes, two rotary members respectively having pitch circles at which the same tangential speed is obtained, mounted respectively on the two horizontal axes to be revolved respectively in opposite directions and each having a station, a container for containing the materials for producing the substance, capable of being detachably mounted on the station, a mechanism for transferring the container from one of the rotary members to the other, and vice versa, upon a coincidence of the center of the materials contained in the container with the point of contact of the pitch circles of the rotary members, and a mechanism for revolving the container at an angular veloci
REFERENCES:
patent: 3764296 (1973-10-01), Gerlach
patent: 4071229 (1978-01-01), Domazer
patent: 4245821 (1981-01-01), Kappell
patent: 4462793 (1984-07-01), Maeda
patent: 4547220 (1985-10-01), Carpenter
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