Motor operated valve with reduction gear

Motor operated valve with reduction gear

  • CN 1,821,632 A
  • Filed: 02/14/2006
  • Published: 08/23/2006
  • Est. Priority Date: 02/16/2005
  • Status: Active Application
First Claim
Patent Images

1. the mortor operated valve of a subsidiary speed reducer, it is characterized in that, possess:

  • valve body with valve chamber and valve seat, in above-mentioned valve chamber, switchably dispose the valve body of above-mentioned valve seat opening, operate the valve rod of above-mentioned valve body, be fixed on the shell cylindraceous on the above-mentioned valve body, be installed in the motor excitation device on this shell peripheral part, rotate and to be supported on freely in the above-mentioned shell on the perimembranous and by the permanent magnet type rotor of above-mentioned excitation device rotating drive, make the speed reducer of the rotation deceleration of this rotor, and the thread mechanism that makes the above-mentioned relatively valve seat advance and retreat of above-mentioned valve body according to the rotational action of above-mentioned rotor by above-mentioned speed reducer;

    In the space that forms by above-mentioned valve body and the division of above-mentioned shell, together dispose above-mentioned speed reducer with above-mentioned rotor.

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