Patent Number: 6,305,264

Title: Actuator control circuit

Abstract: Disclosed is an actuator control circuit which adopts a meter-in control system to control the displacement speed of a piston of a pneumatic cylinder and which is provided with a first pressure control valve to be in a free flow state when compressed air is supplied to the pneumatic cylinder and a second pressure control valve for retaining discharge pressure of compressed air discharged from the pneumatic cylinder to be a previously set predetermined pressure.

Inventors: Yang; Qinghai (Ichikawa, JP), Hosono; Masayuki (Tokyo, JP)

Assignee: SMC Kabushiki Kaisha

International Classification: F15B 11/042 (20060101); F15B 11/00 (20060101); F15B 11/044 (20060101); F15B 11/08 (20060101); F15B 013/04 ()

Expiration Date: 10/23/2018