Impeller and stator for fluid machines

Abstract

Impeller and stator for use in a fluid machine and consisting, for reducing flow noise and for improving the stability of the characteristic curve between the flow input and output cross-sections, of a solid material matrix with a plurality of flow channels for deflecting the flow and increasing the pressure.

What is claimed is:  
     
         1 . An impeller and stator for use in a fluid machine, comprising: a solid material matrix non-isotropically formed by segments spaced from each other for forming fluid flow channels and wherein the impeller and stator additionally function as one of a rectifier and strainer.  
     
     
         2 . The impeller and stator of  claim 1 , wherein in the direction of flow the segments are of polygonal cross-section and are formed from tapes.  
     
     
         3 . The impeller and stator of  claim 2 , wherein in the direction of flow the segments are of honey-com cross-section.  
     
     
         4 . The impeller and stator of  claim 2 , wherein the segments are of one of square and trapezoidal cross-section.  
     
     
         5 . The impeller and stator of  claim 1 , wherein the segments are formed from one of plastic and metal tape.  
     
     
         6 . An impeller and stator for use in a fluid machine and consisting of a solid material matrix of isotropic porous materials provided with a plurality of fluid flow channels and additionally functioning as one of a rectifier and strainer.  
     
     
         7 . The impeller and stator of  claim 6 , wherein the porous materials are foams.  
     
     
         8 . The impeller and stator of  claim 7 , wherein the isotropic foams constitute one of metal and plastic foams.  
     
     
         9 . An impeller and stator for use in a fluid machine consisting of a solid material matrix of one of fiber-like structures and strainers disposed obliquely the direction of flow and comprising a plurality of fluid flow channels and additionally functioning as one of a rectifier and strainer.  
     
     
         10 . An impeller and stator for use in a fluid machine consisting of a solid material matrix comprising, in the flow direction, at least two layers a first one of which is formed of fiber-like structures or of an isotropic material and the second layer is formed of segments.  
     
     
         11 . The impeller and stator of  claim 1 , wherein cover tapes are provided for mechanically stabilizing the solid material matrix.  
     
     
         12 . The impeller of  claim 1 , wherein the fluid flow channels are partially connected with each other in a radial direction.  
     
     
         13 . The impeller of  claim 1  wherein the impeller is a radial structure and wherein a support disc and a cover disc are provided for mechanically stabilizing the solid material matrix.