Double diaphragm pump having a spool valve

Details Double diaphragm pump having a spool valve Double diaphragm pump having a spool valve

2005-06-07

2005-06-07

Michalsky, Gerald A. (Department: 3753)

Fluid handling

Systems

Multi-way valve unit

C137S625250, C251S367000

Reexamination Certificate

active

06901961

ABSTRACT:
A double diaphragm pump having a spool valve. The spool valve includes a housing that has a first end, a second end, and at least one housing aperture defined therethrough from the first end to the second end of the housing. The spool valve also includes end plates positioned at the first and second ends of the housing. The end plates include at least one plate aperture defined therein that is aligned with the housing aperture. The spool valve further includes at least one stiffening and retaining rod inserted through the plate apertures and the housing.

REFERENCES:
patent: 3202170 (1965-08-01), Holbrook
patent: 3384122 (1968-05-01), Harpman
patent: 3385322 (1968-05-01), Brandenberg
patent: 3719199 (1973-03-01), Mentink
patent: 3951170 (1976-04-01), Hill
patent: 3960166 (1976-06-01), Linser
patent: 4021016 (1977-05-01), Hart
patent: 4615353 (1986-10-01), McKee
patent: 4854832 (1989-08-01), Gardner et al.
Model 20192 3-Way Poppet Valve Ingersoll Rand The Apparatus disclosed in the attached drawings was publicly disclosed prior to Sep. 6, 2001.

Affiliated with

Also associated with

Rating

Double diaphragm pump having a spool 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 Double diaphragm pump having a spool valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Double diaphragm pump having a spool valve will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3516706