Fluid handling – Systems – Multi-way valve unit
Reexamination Certificate
2007-04-24
2007-04-24
Keasel, Eric (Department: 3753)
Fluid handling
Systems
Multi-way valve unit
Reexamination Certificate
active
10946300
ABSTRACT:
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.
REFERENCES:
patent: 3516441 (1970-06-01), McCormick
patent: 3902526 (1975-09-01), Brake et al.
patent: 4067357 (1978-01-01), Ruchser
patent: 4191091 (1980-03-01), Zeuner et al.
patent: 4750521 (1988-06-01), Teltscher
patent: 4754693 (1988-07-01), Teltscher
patent: 4966196 (1990-10-01), Meyer
patent: 5078179 (1992-01-01), Amrhein
patent: 5129425 (1992-07-01), Howarth et al.
patent: 5144983 (1992-09-01), Schwelm
patent: 5273074 (1993-12-01), Conradt et al.
patent: 5603350 (1997-02-01), Stoll et al.
patent: 5775374 (1998-07-01), Doi et al.
patent: 5913577 (1999-06-01), Arndt
patent: 5924440 (1999-07-01), Doi et al.
patent: 5996628 (1999-12-01), Najmolhoda et al.
patent: 6192937 (2001-02-01), Fagerlie et al.
patent: 38 42 633 (1990-06-01), None
patent: 19824664 (1999-01-01), None
patent: 19937974 (2001-03-01), None
Festo AG & Co.
Hoffmann & Baron , LLP
Keasel Eric
Schneider Craig M.
LandOfFree
Pilot controlled multiway valve does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pilot controlled multiway valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pilot controlled multiway valve will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3756812