About 64 results
https://drivepatents.com/patents/1004391 · 14 Mar 2012
The lorry has a controller (20) switching an electrical drive e.g. electrical traction motor (14) such as three-phase induction motor, into a generator operation to brake the lorry. An eddy current brake (16) is controlled or regulated by the controller de...
https://drivepatents.com/patents/1004785 · 29 Feb 2012
The industrial truck comprises a driving portion (10), which has an electric traction drive, a load portion (12), which has a load carrying unit and is raised opposite to the driving portion, and a battery receiving space. The battery receiving space of a ...
https://drivepatents.com/patents/1007377 · 7 Dec 2011
The element (20) has a holding portion (26) held between legs (24) of a bow-shaped holder (22). A base plate (30) comprises a movable clamping bar (28) that is extended between the legs. Leaf-shaped objects are clamped between the clamping bar and the base...
https://drivepatents.com/patents/1014623 · 23 Mar 2011
The battery removal device (13) has a battery case with a changing battery block that is removed through the battery case opening in horizontal direction, where the battery removal device is an extendible lifting unit (15) with height-adjustable load recep...
https://drivepatents.com/patents/1015995 · 2 Feb 2011
The device has a battery lock (10) detachably locking a battery block in a frame of an industrial truck. A separate removing lever (20) is mounted around an axle (11) and supports removal of the block. The lever includes a gripping section (21) and a lever...
https://drivepatents.com/patents/1016135 · 26 Jan 2011
The truck has a battery holder (10) arranged in a frame. A battery block (12) is moved into or out of the holder. A locking device (18) releasably locks the block relative to the frame and/or the holder in a fitted position. The locking device includes a l...
https://drivepatents.com/patents/1016520 · 12 Jan 2011
The element (100) has power terminals (102, 104) with two connection parts including respective contact sections. A radially elastic sleeve surrounds the sections, where an outer contour of the sections and the sleeve are formed such that a mechanical cont...
https://drivepatents.com/patents/1067412 · 17 May 2006
A charger for a land vehicle with an asynchronous machine (10) and ac controller (12) to convert a battery (14) voltage for the machine comprises a mains energy module (22) that applies an ac voltage to motor connection leads through a converter (34) so th...
https://drivepatents.com/patents/1069423 · 8 Mar 2006
A battery (12) driven land transporting machine (10) comprises two electric motors operated by electrical control that can function as generators to feed back to the battery. An over voltage switch unit in the generator drive of one motor temporarily switc...
https://drivepatents.com/patents/1069579 · 1 Mar 2006
An arrangement for charging at least two batteries, has a device for detecting the state of charge of the battery connected via a charging cable to the charging device, and in which an input of a switching device (16) is connected to the output of the char...