Battery operated industrial truck

Details Battery operated industrial truck Battery operated industrial truck

2006-12-05

2006-12-05

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Battery-fed motor systems

C318S459000, C318S504000, C318S051000

Reexamination Certificate

active

07145301

ABSTRACT:
A battery operated industrial truck with at least one first motor and at least one second motor, which are operated by one electric control or regulation device for each motor, which are realised such that the motors can be operated as generators in order to feed back electric energy into the battery, characterised in that a device for switching excess voltage is provided, which in the generator mode of one of the motors temporarily connects the respective other motor to it as a load when a measuring device measures a condition in which an excess voltage occurs or may occur.

REFERENCES:
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patent: 4728923 (1988-03-01), Finger
patent: 5005659 (1991-04-01), Jones et al.
patent: 6962545 (2005-11-01), Larkin
patent: 2005/0046192 (2005-03-01), Rogg
patent: 43 31 721 (1994-03-01), None
patent: 198 49 0555 (2000-04-01), None
patent: 102 44 769 (2004-04-01), None
Patent Abstracts of Japan, Publication No. 07099704 A, Application No. 05238165 for Power Controller For Electric Vehicle.

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