TEMPERATURE-BASED CLUTCH PROTECTION FROM CENTRIFUGAL HEAD PRESSURE INHIBITING CLUTCH DISENGAGEMENT

A system of a work vehicle (10) includes an engine (12), a transmission (14) that includes a hydrostatic unit (48), and a clutch (44) coupled to the transmission (14). The system also includes a controller (42) communicatively coupled to the engine (12), the transmission (14), and the clutch (44). T...

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Bibliographische Detailangaben
Hauptverfasser:	PRASSE, Robert C, KUROS, Pawel, FELSING, Brian E, HEDDERMAN, Kenneth Scott, ETHERIDGE, Richard Allen
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A system of a work vehicle (10) includes an engine (12), a transmission (14) that includes a hydrostatic unit (48), and a clutch (44) coupled to the transmission (14). The system also includes a controller (42) communicatively coupled to the engine (12), the transmission (14), and the clutch (44). The controller (42), in operation, receives a command to disengage the clutch (44). The controller, in operation, determines an engine speed of the engine (12). The controller (42), in operation, also determines a temperature of hydraulic fluid in the clutch (44). The controller (44), in operation, further determines a magnitude and time to limit acceleration of the work vehicle (10) based on the engine speed and the temperature. The controller (42), in operation, also commands the clutch (44) to disengage. The controller (42), in operation, further limits the acceleration of the work vehicle (10) using the hydrostatic unit (48) based on the magnitude for the time determined.