F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
103/80
F04C 2/08 (2006.01) F04C 2/20 (2006.01) F04C 15/00 (2006.01)
Patent
CA 1086568
FLOW DIVERTER PRESSURE PLATE ABSTRACT A gear pump or motor capable of sustained operation under unusually high pressure conditions is provided with at least one unique pressure-balancing diverter plate having pressure-transmitting paths extending around the outer peri- pheral edges of the plate between terminating locations on the high and low pressure sides of the pump. The termi- nating locations on the low pressure side of the pump are open on the gear tooth confronting face of the plate and are exposed to interdental spaces of the impellers adjacent to but spaced and isolated from the low pressure port. The terminating locations on the high pressure side of the pump provide fluid pressure communication with the high pressure port during operation of the pump or motor. In operation, the outlet pressure is transmitted through the specially formed paths to areas of the gears on the low pressure side. The transmitted pressure acts as a counter- force that pushes the gears towards a center position and reduces bearing loads.
287996
Ridout & Maybee Llp
Shumate Donald L.
LandOfFree
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