Patent ID: 7450019
Filing Date: 2008-11-11
Classification: A01C

Abstract:
1. An output monitoring system for an air transport material delivery system having a storage hopper, a source of pressurized air, a plurality of delivery tubes which convey dry material entrained in said pressurized air to respective tube exits, and a plurality of deflectors positioned adjacent to said tube exits for downwardly distributing the dry material impacting an inner side of said deflectors over a geographic area, said output monitoring system comprising: a plurality of vibration-detecting sensors respectively affixed to said plurality of deflectors so as not to be directly impacted by said dry material entrained in said pressurized air leaving said tube exits; a plurality of sensor circuits respectively coupled to said plurality of sensors, each sensor circuit receiving an input from an associated sensor; a concentrator circuit for receiving inputs from said plurality of sensor circuits and for generating respective delivery tube status information for each monitored delivery tube; and a display unit coupled to said concentrator circuit for displaying said delivery tube status information to an operator of said air transport material delivery system.