Patent ID: 11909206
Assignee: DANFOSS A/S
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F  H  G  Y | IPC F  H

Claim 11:
12. An electrohydraulic system comprising:
a harvesting device for converting hydraulic energy into electrical energy, wherein the harvesting device includes a hydraulic motor that drives an electric generator, and wherein the electric generator is a 3-phase brush-less direct current generator;
a flow control device powered by the harvesting device for actively controlling a hydraulic flow through the harvesting device, wherein the flow control device includes a solenoid controlled variable sized orifice;
an electrohydraulic component powered by the electrical energy from the harvesting device;
a wireless transceiver connected to the electrohydraulic component and powered by the electrical energy from the harvesting device; and
a controller that varies a size of the variable sized orifice based on an electrical load required by the harvesting device such that the harvesting device self-compensates to reduce voltage level fluctuations caused by variations in electrical loads.