F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 43/02 (2006.01) F04B 15/04 (2006.01) F04B 43/073 (2006.01) F04B 53/10 (2006.01) F16K 11/065 (2006.01) F16K 11/07 (2006.01) F16K 31/38 (2006.01)
Patent
CA 2439662
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.
Able Stephen D.
Roberts C. Oakley
Ingersoll-Rand Company
Smart & Biggar
LandOfFree
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