Patent 7207353 was granted and assigned to Festo on April, 2007 by the United States Patent and Trademark Office.
A multiway valve has valve housing and at least one pilot valve arranged in it. The principal valve housing possesses an integral principal housing part wherein at least the control section of a valve spool is arranged. The pilot valve possesses a head piece which is mounted on an assembly interface formed directly on the principal housing part. This assembly interface is furthermore provided with a pilot valve seat, which is an integral component of the principal housing part.