Pumps – Diverse pumps – Priming and venting
Patent
1984-02-06
1986-09-30
Husar, Cornelius J.
Pumps
Diverse pumps
Priming and venting
417202, 13724721, 415219C, F04D 904, F04D 1708
Patent
active
046144803
ABSTRACT:
The pumping system employs horizontal shaft pumping units, each of which may be vacuum primed by a priming chamber which is mounted on the discharge outlet of the pump volute at a position above the volute itself. Preferably, each of the pump volutes has its discharge passage inclined within the vertical plane of the volute so that friction losses at points of connection to other piping of the system is minimized and space occupied by the system is likewise reduced. The inclination of each discharge passage is such that no portion of the internal pumping chamber of the volutes is higher than the point of intersection between the discharge passage and the chamber, whereby to avoid trapping air within the chambers. Specially configured and arranged ball check valve assemblies downstream from each pump unit are designed to provide a pool of liquid submerging the seat for the valve of each assembly when the system is in an idle or standby condition whereby to promote an effective, air-tight sealing action.
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Cuomo Peter M.
Husar Cornelius J.
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