Rotary ejector compressor
阅读：968发布：2022-02-27
专利汇可以提供Rotary ejector compressor专利检索，专利查询，专利分析的服务。并且Method and apparatus for a compressor for compressing air, gases and vapors approximately isothermally by using a liquid stream to entrain and compress the gas; with the liquid being accelerated by an impeller, inner passage, and the gas initially being accelerated by vanes placed on the outside of the same impeller; the two streams are brought together and compressed by using the kinetic energy contained in the liquid stream. Further, the compressor can advantageously be used to compress vapors where the gas stream is condensed fully or in part by the liquid stream thereby decreasing the specific volume of the total fluid stream during compression, and improving the efficiency of the compression.，下面是Rotary ejector compressor专利的具体信息内容。
1. A machine for compressing gaseous fluid and comprising: a. an impeller for accelerating a liquid motive fluid to a high velocity; said motive fluid comprising at the entry to the impeller a liquid; said impeller having fluid passages that comprise respective initially converging sections as the passages extend outwardly from the center of said impeller and at least non-converging sections extending radially exteriorly of said converging sections; said plurality of non-converging sections defining a substantially continuous discharge passage of said impeller for continuous flow of said motive fluid therefrom and for more effective use of the available energy of said motive fluid which has been accelerated to a high velocity such that said motive fluid may be partially vaporized at the decreasing pressure due to said at least non-converging passages and said high velocity to attain even higher velocities for more effective entrainment of said gaseous fluid; and being designed to convert to velocity of said motive fluid, energy due to centrifugal action of the rotating impeller and also energy due to pressure differential between the impeller inlet and the impeller outlet; b. a casing disposed about said impeller; said casing having a centrally disposed chamber defined about said impeller for receiving said gaseous fluid; said chamber extending radially outwardly concurrently with said impeller; an inlet port connected with said chamber for intake of said gaseous fluid; a mixing section connected with the circumferential portion of said chamber and encompassing the discharge passage of said impeller for entraining said gaseous fluid from said chamber into the effluent stream of said motive fluid which has unusually high velocity and unusually high efficiency of entrainment as a consequence of its acceleration by said impeller; said casing having a suitable compressing passage providing for the compression and deceleration of the combined fluid stream after said motive fluid leaves said impeller, suitable vanes being provided in said compressing passage to prevent circular motion of said fluid in said compressing passage and to improve compression performance; said casing being provided with inlet and outlet ports, respectively, for connection of suitable respective conduits for the intake of said motive fluid and for the discharge of said compressed gaseous fluid and said motive fluid; and c. a shaft to support said impeller, said shaft having a shaft seal.
1. A machine for compressing gaseous fluid and comprising: a. an impeller for accelerating a liquid motive fluid to a high velocity; said motive fluid comprising at the entry to the impeller a liquid; said impeller having fluid passages that comprise respective initially converging sections as the passages extend outwardly from the center of said impeller and at least non-converging sections extending radially exteriorly of said converging sections; said plurality of non-converging sections defining a substantially continuous discharge passage of said impeller for continuous flow of said motive fluid therefrom and for more effective use of the available energy of said motive fluid which has been accelerated to a high velocity such that said motive fluid may be partially vaporized at the decreasing pressure due to said at least non-converging passages and said high velocity to attain even higher velocities for more effective entrainment of said gaseous fluid; and being designed to convert to velocity of said motive fluid, energy due to centrifugal action of the rotating impeller and also energy due to pressure differential between the impeller inlet and the impeller outlet; b. a casing disposed about said impeller; said casing having a centrally disposed chamber defined about said impeller for receiving said gaseous fluid; said chamber extending radially outwardly concurrently with said impeller; an inlet port connected with said chamber for intake of said gaseous fluid; a mixing section connected with the circumferential portion of said chamber and encompassing the discharge passage of said impeller for entraining said gaseous fluid from said chamber into the effluent stream of said motive fluid which has unusually high velocity and unusually high efficiency of entrainment as a consequence of its acceleration by said impeller; said casing having a suitable compressing passage providing for the compression and deceleration of the combined fluid stream after said motive fluid leaves said impeller, suitable vanes being provided in said compressing passage to prevent circular motion of said fluid in said compressing passage and to improve compression performance; said casing being provided with inlet and outlet ports, respectively, for connection of suitable respective conduits for the intake of said motive fluid and for the discharge of said compressed gaseous fluid and said motive fluid; and c. a shaft to support said impeller, said shaft having a shaft seal.
2. The machine of claim 1 wherein the impeller motive fluid passages are diverging to provide for acceleration of the motive fluid due to partial vaporization of said motive fluid in said impeller fluid passages.
3. The machine of claim 1 wherein the mixing section and the compressing passages in the casing containing the vanes, are made a converging-diverging passage with the position of the vanes being adjustable to provide for optimum performance.
4. The machine of claim 1 wherein said machine is used as a vacuum pump.
5. The machine of claim 1 wherein gas acceleration vanes are provided on the outer surface of said impeller intermediate said impeller and the interior walls of said chamber for accelerating said gaseous fluid and for providing an initial velocity to said gaseous fluid so as to move it in the same direction that said motive fluid is moving such that the entrainment of said gaseous fluid is enhanced for improved efficiency in compressing said gaseous fluid by said high velocity motive fluid from said impeller.
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