Battery operated electric machines

Details Battery operated electric machines Battery operated electric machines

1993-08-18

1996-02-13

Melius, Terry Lee

Harvesters

Motorized harvester

Having fluid-pressure or stored-energy motor

56 102R, 56DIG15, A01D 3478

Patent

active

054903700

ABSTRACT:
There is disclosed a lawn or grass mower having a cutting mechanism (14) driven by an electric motor (10), the electric motor (10) being powered by a rechargeable lead acid battery (11), the battery (11) being protected against damage caused as a result of over discharge by control means (13), said control means (13) being able to sequentially sample battery voltage discharge levels and to determine when the sampled battery voltage discharge level has dropped below a predetermined minimum level at which point disabling means (14) is activated to prevent the mower from being used again until the battery means (11) has been recharged through a complete recharging regime.

REFERENCES:
patent: 3581480 (1971-06-01), O'Connor, III et al.
patent: 3821626 (1974-06-01), Maver et al.
patent: 3823358 (1974-07-01), Rey
patent: 3841069 (1974-10-01), Weck
patent: 4201463 (1980-05-01), Harigaya et al.
patent: 4333302 (1982-06-01), Thomas et al.
patent: 4558281 (1985-12-01), Codd et al.
patent: 4835453 (1989-05-01), Munning Schmidt et al.
patent: 4849681 (1989-07-01), Munning Schmidt et al.
patent: 4882896 (1989-11-01), Wilcox
patent: 4942723 (1990-07-01), Wassell
patent: 4983903 (1991-01-01), Bae et al.
patent: 4987729 (1991-01-01), Paytas
patent: 4995227 (1991-02-01), Foster
patent: 5022587 (1991-06-01), Hochstein
patent: 5085043 (1992-02-01), Hess et al.
patent: 5140249 (1992-08-01), Linder et al.
patent: 5150045 (1992-09-01), Nagano et al.
patent: 5159272 (1992-10-01), Rao et al.
patent: 5301494 (1994-04-01), Peot et al.

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