US 11,944,038 B1
Electric lawnmowers with interchangeable mowing units and methods of operating thereof
Ian Wright, Woodside, CA (US); and David Beard, Alameda, CA (US)
Assigned to DIMAAG-AI, Inc., Fremont, CA (US)
Filed by DIMAAG-AI, Inc., Fremont, CA (US)
Filed on Sep. 26, 2023, as Appl. No. 18/474,646.
Claims priority of provisional application 63/520,843, filed on Aug. 21, 2023.
Int. Cl. A01D 69/02 (2006.01); A01D 34/81 (2006.01); A01D 75/18 (2006.01); A01D 101/00 (2006.01)
CPC A01D 69/02 (2013.01) [A01D 34/81 (2013.01); A01D 75/18 (2013.01); A01D 2101/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electric lawnmower comprising:
a drive unit comprises a thermal liquid tubing, a power electronics unit, a battery, and a drive motor, powered by the battery; and
a mowing unit that is disengageably coupled to the drive unit and comprising a mowing-unit electric motor and a set of cutting blade units, wherein:
the mowing-unit electric motor comprises a set of electric connectors disengageably coupled to an electrical wiring to the battery of the drive unit,
the mowing unit comprises a set of fluid couplers disengageably coupled to the thermal liquid tubing of the drive unit,
each unit in the set of cutting blade units comprises a blade enclosure comprising a fluid passage, fluidically connected to the set of fluid couplers, a shaft protruding through the blade enclosure, and a cutting blade connected to the shaft and at least partially surrounded by the blade enclosure, and
the shaft of each unit in the set of cutting blade units is mechanically coupled to the mowing-unit electric motor.