Patent Number: 6,167,901

Title: Pilot 3-port transfer valve

Abstract: A transfer valve comprising three ports including a first, second, and third ports 17, 18, and 19 includes a pilot supply channel 22 for supplying a pilot fluid to a pilot valve 13, and the pilot supply channel 22 is connected to the first and the third ports 17 and 19 via check valves 41, 42, and 43, respectively.

Inventors: Yoshinura; Shinichi (Yawara-mura, JP)

Assignee: SMC Corporation

International Classification: F15B 13/00 (20060101); F15B 13/04 (20060101); F15B 013/043 ()

Expiration Date: 01/02/2018