Control valve

Details Control valve Control valve

F - Mech Eng,Light,Heat,Weapons

16

K

251/14

F16K 31/04 (2006.01) F16K 1/38 (2006.01) F16K 31/44 (2006.01)

Patent

CA 1245617

CONTROL VALVE ABSTRACT A control valve includes a pulse motor 1, the threaded shank 4 of a ball screw 3 connected to the output shaft 2 of the motor, a slider 6 united with a nut 5 on the ball screw 3, and a valve stem 8 extending outward from a valve assembly 7 and connected to the slider 6. Two cases 9 and 10, each in the form of a vertical cylinder having a bottom, are fitted together in vertical alignment, and the pulse motor 1 is placed on the upper end of the upper case 9 to close the end opening thereof, with the output shaft 2 extending into the upper case 9. The slider 6 is housed in the lower case 10 and has its peripheral wall coupled to the inner surface of the lower case 10 so as to be slidable only vertically. The threaded shank 4 extends through and is rotatably supported by the bottom wall 22 of the upper case 9. The valve assembly 7 is fixed to the bottom wall 41 of the lower case 10.

445783

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