F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 49/06 (2006.01) B29C 45/82 (2006.01) F04B 1/22 (2006.01) F04B 1/30 (2006.01) F04B 11/00 (2006.01) F04B 17/00 (2006.01) H02K 17/30 (2006.01)
Patent
CA 2071411
Abstract of the Disclosure An electric-motor hydraulic pump includes a housing having a stationary internal shaft. A pair of cylinder blocks are rotatably carried by the shaft within the housing, and an array of pistons are slidably disposed with each cylinder block. A yoke plate is mounted within the housing and engages the pistons for determining displacement of the pistons within the cylinder blocks. Fluid inlet and outlet ports are provided in the housing and are coupled to the cylinder blocks. An induction motor includes a rotor carried by the cylinder block for coronation therewith, and a stator mounted within the housing surrounding the rotor. An electronic controller for controlling outlet fluid pressure and flow from the pump includes a plurality of sensors mounted on the housing for sensing operating characteristics of the pump and motor to provide electronic sensor signals as functions thereof. Control electronics are responsive to the sensor signals for controlling fluid pressure and flow from the pump by varying effective displacement of the pump, and by varying the electrical power (current and frequency) applied to the motor. RCC LD 3
Bloomquist James V.
Niemiec Albin J.
Bloomquist James V.
Marks & Clerk
Niemiec Albin J.
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