Gear pump having fluid deaeration capability

Details Gear pump having fluid deaeration capability Gear pump having fluid deaeration capability

F - Mech Eng,Light,Heat,Weapons

04

C

103/79

F04C 2/18 (2006.01) F04C 2/08 (2006.01)

Patent

CA 1110916

GEAR PUMP HAVING FLUID DEAERATION CAPABILITY Abstract of the Disclosure A gear pump has a pair of intermeshing gears located in a corresponding pair of intersecting cavities in a housing, and air bleed passages are defined in the housing for passing entrained air collected in the fluid at the tooth roots of the gears as a result of centrifugal force away from a preselected region of each of the gear cavities. Preferably, a pair of arcuate air bleed passages are formed in the housing and are located in a trailing portion of the preselected region, and a pair of grooves transmit pressure from a discharge opening back to the tooth roots to positively encourage movement of fluid with entrained air toward the arcuate air bleed passages.

322855

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