F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
F04D 13/06 (2006.01) A61H 33/00 (2006.01) E04H 4/12 (2006.01) H02P 27/08 (2006.01)
Patent
CA 2673679
A motor drive for an electric motor of a variable fluid circulating system includes a processing module and a power module. The processing module receives a signal profile and generates a control signal based on the signal profile. A power module generates a carrier signal based on the control signal and a direct current (DC) voltage. The power module pulse width modulates the carrier signal to generate a drive signal in the electric motor that matches the signal profile. The power module powers the electric motor based on the drive signal to adjust injection of a fluid into a reservoir.
Clark Bret S.
Morgan Donald E.
Peterson Gregory A.
Sullivan Michael
Emerson Electric Co.
Nidec Motor Corporation
Sim & Mcburney
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