Purging system for multiple variety seed meter

A purging system for a multiple variety seed meter of a multi-variety planter. The purging system includes seed return valves that may be arranged for receiving seed that was removed from the seed meter. The seed return valves return the removed seed into corresponding appropriate seed storage compa...

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Bibliographische Detailangaben
Hauptverfasser:	Johnson, Chad M, Schoeny, Christopher
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS AGRICULTURE ANIMAL HUSBANDRY BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FERTILISING FISHING FORESTRY GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HUMAN NECESSITIES HUNTING LIGHTING MECHANICAL ENGINEERING PLANTING SOWING TAPS THERMAL INSULATION IN GENERAL TRAPPING VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A purging system for a multiple variety seed meter of a multi-variety planter. The purging system includes seed return valves that may be arranged for receiving seed that was removed from the seed meter. The seed return valves return the removed seed into corresponding appropriate seed storage compartments to allow a new seed variety to be delivered to the seed meter while reducing seed variety mixing in the seed meter. A pipe with a purge passage may extend from the seed meter to a purging hose that delivers the removed seed to the seed return valve(s). Each seed return valve may be a vacuum-actuated piston airlock valve assembly with a valve plunger that reciprocates to define seed collecting and releasing states of the valve.