The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 31, 2024
Filed:
Aug. 29, 2022
Zf Wind Power (Tianjin) Co., Ltd., Tianjin, CN;
Zf Wind Power Antwerpen N.v., Lommel, BE;
Fuliang Wang, Tianjin, CN;
ZF WIND POWER (TIANJIN) CO., LTD., Tianjin, CN;
ZF WIND POWER ANTWERPEN N.V., Lommel, BE;
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.