Supplemental charge for hydrostatic steering system
A supplemental charge for a hydrostatic steering system is provide by coupling the output of the transmission oil pump to the outlet of the steering charge pump and providing a check valve to prevent oil flow from the transmission oil pump to the steering charge pump unless the charge pump outlet pr...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A supplemental charge for a hydrostatic steering system is provide by coupling the output of the transmission oil pump to the outlet of the steering charge pump and providing a check valve to prevent oil flow from the transmission oil pump to the steering charge pump unless the charge pump outlet pressure drops below the operating pressure of the transmission pump. When the steering charge pressure does drop below the transmission oil pressure, the check valve opens and oil is provided to the main steering pump by the transmission oil pump. A pressure transducer in the oil line activates a warning signal in the event the check valve is open more than a few minutes to alert the vehicle operator to a system failure. |
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