US 12,232,671 B2
Automatic detection system for combination burnisher, polisher, and scrubber
Harvey Stark, Montreal (CA); Eric Gallup, Rochester Hills, MI (US); Isaac Branning, Arcola, IN (US); and Pavel Ikonomov, Laval (CA)
Assigned to DIAMOND PRODUCTIONS LTD., Montreal (CA)
Filed by DIAMOND PRODUCTIONS LTD., Montreal (CA); and Eric Gallup, Rochester Hills, MI (US)
Filed on Mar. 14, 2022, as Appl. No. 17/694,357.
Application 17/694,357 is a continuation in part of application No. 17/507,995, filed on Oct. 22, 2021, granted, now 11,969,127.
Prior Publication US 2023/0131689 A1, Apr. 27, 2023
Int. Cl. A47L 11/40 (2006.01); A47L 11/14 (2006.01); A47L 11/282 (2006.01); G01R 15/20 (2006.01); G01R 19/00 (2006.01); H02K 7/14 (2006.01)
CPC A47L 11/4069 (2013.01) [A47L 11/14 (2013.01); A47L 11/282 (2013.01); A47L 11/4038 (2013.01); G01R 15/202 (2013.01); G01R 19/0084 (2013.01); H02K 7/14 (2013.01); A47L 11/4011 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A floor treating machine comprising:
a. a chassis adapted to be moved along the floor;
b. a first variable speed motor affixed to the chassis and adapted to be coupled to and rotate a first disk in a first direction, said first disk including a first predetermined number of magnets, said first predetermined number of magnets identifying the type of disk coupled to the first motor;
c. a first Hall sensor adapted to generate a first voltage signal based on the first predetermined number of magnets of the first disk coupled to the first variable speed motor; and
d. a controller coupled to the first Hall sensor and the first variable speed motor, said controller adapted to control the speed of the first variable speed motor based on said first voltage signal generated by the first Hall sensor.