Starter and retarder element, and method for operating a starter and retarder element

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United States of America Patent

PATENT NO 9377094
APP PUB NO 20150053522A1
SERIAL NO

14390082

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Abstract

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A start-up and retarder element having a hydrodynamic transfer element (5, 5′) and a planetary gear set (4). The hydrodynamic transfer element (5, 5′) has at least one first functional wheel (11, 11′) and one second functional wheel (12, 12′). The first functional wheel (11, 11′) can be fixed on a stationary component (14) by a single shift element (15). A start-up function or a driving function can be set in which the functional wheels (11, 11′; 12, 12′) of the hydrodynamic transfer element (5, 5′) function as an impeller and a turbine, respectively, of a hydrodynamic start-up element so that a retarder function can be set, or the functional wheels (11, 11′; 12, 12′) of the hydrodynamic transfer element (5, 5′) function as a rotor and a stator, respectively, of a hydrodynamic retarder.

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Patent Owner(s)

Patent OwnerAddress
ZF FRIEDRICHSHAFEN AGLÖWENTALER STR 20 FRIEDRICHSHAFEN 88046

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Borntrager, Kai Langenargen, DE 21 197
Kaltenbach, Johannes Friedrichshafen, DE 230 1425

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