US Patent Issued to AISAN KOGYO on Oct. 20 for "Flow path switching device" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,457, issued on Oct. 20, was assigned to AISAN KOGYO K.K. (Obu, Japan).

"Flow path switching device" was invented by Mamoru Yoshioka (Susono, Japan) and Kazumasa Nakashima (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flow path switching device includes a fixed member and a driven member and drives the driven member to switch between combinations of ports of the fixed member and communication paths of the driven member to be communicated to switch a flow path. The flow path switching device has a seal member provided protruding toward the fixed member near the communication path of the driven member to seal a part between the driven...