Patent ID: 6349543
Filing Date: 2002-02-26
Classification: F15B

Abstract:
An energy regenerating fluid motor control method comprising the steps of:constructing a fluid motor control system including fluid motor and load means and fluid power means; said fluid motor and load means including fluid motor means and motor load means and accumulating a load related energy; said fluid power means including energy accumulating means being implemented for powering a variable delivery fluid power supply generating a pressure fluid stream being implemented for powering a supply motor line of said fluid motor means of said fluid motor and load means; introducing a fluid motor energy recuperating means for varying a fluid motor deceleration rate of said fluid motor means and for recuperating said load related energy of said fluid motor and load means; said fluid motor energy recuperating means having a recuperating line position feedback control system containing a recuperating line variable displacement mechanism; constructing a separated energy recuperating fluid motor deceleration control system including said fluid motor energy recuperating means having said recuperating line position feedback control system containing said recuperating line variable displacement mechanism; regulating said fluid motor deceleration rate of said fluid motor means by said separated energy recuperating fluid motor deceleration control system by varying a recuperating line mechanism position of said recuperating line variable displacement mechanism by said recuperating line position feedback control system of said fluid motor energy recuperating means; constructing a separated energy regenerating supply fluid control system including said variable delivery fluid power supply having a supply line position feedback control system containing a supply line variable displacement mechanism; regulating a supply fluid flow rate of said pressurized fluid stream by said separated energy regenerating supply fluid control system by varying a supply line mechanism position of said supply line variable displacement mechanism by said supply line position feedback control system of said variable delivery fluid power supply; constructing an energy regenerating system including first energy converting means, said energy accumulating means, and second energy converting means; said first energy converting means including said separated energy recuperating fluid motor deceleration control system; said second energy converting means including said separated energy regenerating supply fluid control system; regenerating said load related energy of said fluid motor and load means by said energy regenerating system by converting said load related energy through said first energy converting means including said separated energy recuperating fluid motor deceleration control system to a recuperated energy of said energy accumulating means, by storing said recuperated energy by said energy accumulating means, and by converting said recuperated energy through said second energy converting means including said separated energy regenerating supply fluid control system to a regenerated energy of said pressurized fluid stream being implemented for powering said supply motor line of said fluid motor means of said fluid motor and load means; facilitating said regenerating said load related energy of said fluid motor and load means by regulating said fluid motor deceleration rate of said fluid motor means and regulating said supply fluid flow rate of said pressurized fluid stream by said separated energy recuperating fluid motor deceleration control system and said separated energy regenerating supply fluid control system, respectively.