Drive assembly for rotating and translating a shaft

A drive unit operable to translate and rotate a shaft is disclosed. The drive unit comprises a hollow electric motor (45) having a rotor (47), at least one fluid cylinder (48), means for connecting at least a portion of said shaft to the rotor (47) of said motor (45), means permitting said shaft to...

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Bibliographic Details
Main Authors TENG, ALEX, GALT, JOHN R, KESTLE, MARTIN R
Format Patent
LanguageEnglish
French
German
Published 02.03.2011
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
BLASTING
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
FLUID-PRESSURE ACTUATORS
FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS
GENERATION
HEATING
HYDRAULICS OR PNEUMATICS IN GENERAL
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL
TRANSPORTING
WEAPONS
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:A drive unit operable to translate and rotate a shaft is disclosed. The drive unit comprises a hollow electric motor (45) having a rotor (47), at least one fluid cylinder (48), means for connecting at least a portion of said shaft to the rotor (47) of said motor (45), means permitting said shaft to move lengthwise formed on an interior surface of said fluid cylinder (48), and means connecting said fluid cylinder (48) to said shaft, whereby said shaft may be rotated by said motor (45) and moved lengthwise by said fluid cylinder (48).
Bibliography:Application Number: EP20070009305