Patent · US Active

System and method for variable rate, high speed irrigation control

US11140838B2 · kind B2 · utility

0Cited by
12References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 29, 2019
Grant dateOct 12, 2021
Priority date
Expiry dateDec 31, 2039

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P60/14
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The present invention provides a system and method which combines sensor inputs, control systems, field mapping, motor controls, and high speed and variable speed motor designs within an irrigation machine. According to a preferred embodiment, the present invention provides systems which are capable of full torque operation, even at speeds less than the rated speed of the motor. According to further preferred embodiments, the present invention utilizes a combination of motor types including Switch Reluctance, DC Permanent Magnet and AC Permanent Magnet motors in combination with Variable Frequency Drives.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.