F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 49/06 (2006.01) F04B 49/10 (2006.01) F04D 15/00 (2006.01)
Patent
CA 2059460
Abstract of the Disclosure A variable displacement pump is controlled throughout a broad range of operating conditions between a maximum pressure, low flow rate combination and a minimum pressure, high flow rate combination even when the pump is driven by a power limited prime mover. Different relief valves set at different operating pressures are automatically selectably connected to a control port of the pump in response to the actual flow rate of the fluid pumped by the pump reaching different flow rate set points.
Barr Stephen W.
Crumb Joseph B.
Crump Joseph B.
Rice Timothy D.
Barr Stephen W.
Company Halliburton
Crumb Joseph B.
Crump Joseph B.
Rice Timothy D.
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