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SYSTEMS AND METHODS FOR BYPASS OF HYDRAULIC CHARGE CIRCUITS
A control system for a hydrostatic drive system can include a hydraulic charge pump circuit having a hydraulic load and a tank. The hydraulic charge pump can be in fluid communication with the hydraulic charge pump circuit. A bypass line can extend to the tank from a junction between the hydraulic charge pump and the hydraulic load. A charge bypass valve can be disposed to control flow through the bypass line. The control system can include a control device configured to determine one or more operational parameters for the power machine and control the charge bypass valve to allow flow through the bypass line, from the hydraulic charge pump to the tank, based on the determined operational parameters during a starting operation.
SYSTEMS AND METHODS FOR BYPASS OF HYDRAULIC CHARGE CIRCUITS
A control system for a hydrostatic drive system can include a hydraulic charge pump circuit having a hydraulic load and a tank. The hydraulic charge pump can be in fluid communication with the hydraulic charge pump circuit. A bypass line can extend to the tank from a junction between the hydraulic charge pump and the hydraulic load. A charge bypass valve can be disposed to control flow through the bypass line. The control system can include a control device configured to determine one or more operational parameters for the power machine and control the charge bypass valve to allow flow through the bypass line, from the hydraulic charge pump to the tank, based on the determined operational parameters during a starting operation.
SYSTEMS AND METHODS FOR BYPASS OF HYDRAULIC CHARGE CIRCUITS
KALLAS DOUGLAS (author) / YOUNG CHARLES (author)
2021-06-24
Patent
Electronic Resource
English
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