HARVESTER REVERSING ENGINE FAN

A control system for controlling a pitch of a plurality of fan blades of a variable pitch fan driven by an engine of a harvester. The control system comprises first, second, and third feedback devices that provide first, second, and third feedback signals indicative of at least one harvester tempera...

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Bibliographische Detailangaben
Hauptverfasser:	Miller Cole D, Blad Robert C, Wallestad Steven D, Noonan James T, Miller Shaun J, Cruchelow Darren J, Cracraft Mark A
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BLASTING FISHING FORESTRY HARVESTING HEATING HUMAN NECESSITIES HUNTING LIGHTING MECHANICAL ENGINEERING MOWING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS TRAPPING WEAPONS
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Beschreibung
Zusammenfassung:	A control system for controlling a pitch of a plurality of fan blades of a variable pitch fan driven by an engine of a harvester. The control system comprises first, second, and third feedback devices that provide first, second, and third feedback signals indicative of at least one harvester temperature, an ambient temperature, and an engine load. A controller is operable to receive the first, second, and third feedback signals, lookup an initial pitch setting, generate an initial pitch setting signal, and compare the harvester temperature to a harvester temperature limit and generate a fan reversal signal if certain conditions are met.