Patent ID: 11885273
Assignee: VITESCO TECHNOLOGIES GMBH
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 15:
16. The device of claim 15, wherein the flow parameter is determined based on the following relationship:, Ψ
  =
  
   {
   
    
     
      
       
        
         
          
           2
           ⁢
           κ
          
          
           κ
           -
           1
          
         
        
        ·
        
         
          
           
            (
            
             
              P
              
               down
               ,
                
               TVV
              
             
             
              P
              
               up
               ,
                
               TVV
              
             
            
            )
           
           
            2
            κ
           
          
          -
          
           
            (
            
             
              P
              
               down
               ,
                
               TVV
              
             
             
              P
              
               up
               ,
                
               TVV
              
             
            
            )
           
           
            
             κ
             +
             1
            
            κ
           
          
         
        
       
       ,
      
     
     
      
       
        
         P
         
          down
          ,
           
          TVV
         
        
        
         P
         
          up
          ,
           
          TVV
         
        
       
       >
       
        p
        cr
       
      
     
    
    
     
      
       
        
         
          
           2
           ⁢
           κ
          
          
           κ
           -
           1
          
         
        
        ·
        
         
          (
          
           2
           
            κ
            +
            1
           
          
          )
         
         
          1
          
           κ
           -
           1
          
         
        
       
       ,
                                                         
      
     
     
      
       
        
         P
         
          down
          ,
           
          TVV
         
        
        
         P
         
          up
          ,
           
          TVV
         
        
       
       ≤
       
        p
        cr
       
      
     
    
   
  
 

where pcr is a critical pressure ratio.