Control device for gearbox
AssigneesZf Wind Power (Tianjin) Co., Ltd., Zf Wind Power Antwerpen N.V.
InventorFuliang Wang
Life of this patent
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Abstract
A control device for a gearbox which includes a mechanical pump and an electric pump, the mechanical pump having a first-stage displacement and a second-stage displacement, and the first-stage displacement being less than the second-stage displacement, the control device including a sensor module for detecting an oil pressure of a lubricating oil of the gearbox and a mechanical pump control module for, when the oil pressure is above an oil pressure threshold, controlling the mechanical pump to operate at the first-stage displacement, and when the oil pressure is below the oil pressure threshold, controlling the mechanical pump to operate at the second-stage displacement.
Claims3
A control device for a gearbox which comprises a mechanical pump and an electric pump, the mechanical pump having a first-stage displacement and a second-stage displacement, and the first-stage displacement being less than the second-stage displacement, the control device comprising:
- a sensor module for detecting an oil pressure of a lubricating oil of the gearbox;
- and
- a mechanical pump control module configured to, when the oil pressure is above an oil pressure threshold, control the mechanical pump to operate at the first-stage displacement, and when the oil pressure is below the oil pressure threshold, control the mechanical pump to operate at the second-stage displacement.
Dependencies are inferred from the claim text.