Patent ID: 11885277
Assignee: NIKKI CO., LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 7:
8. The method for controlling fuel injection according to claim 1, wherein the calculated pressure change in the intake manifold connecting the throttle and the cylinder to each other is calculated from the calculated amount of air in the intake manifold using the formula:, d
     
      d
      ⁢
      t
     
    
    ⁢
    
     P
     m
    
   
   =
   
    
     
      R
      ·
      
       T
       m
      
     
     
      V
      m
     
    
    ·
    
     (
     
      
       Q
       t
      
      -
      
       Q
       a
      
     
     )
    
   
  
  ;, and
wherein Vm is a volume in the intake manifold, R is the gas constant, Tm is the temperature in the intake manifold, Pm is the pressure in the intake manifold, Qa is the calculated amount of air in the intake manifold, and Qt is the amount of air passing through the throttle.