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Patent Searching and Data


Title:
ELECTRIC ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2016/078692
Kind Code:
A1
Abstract:
A motor transmission and gearbox for downhole use, comprises, a first motor driving a first input shaft, a second motor driving a second input shaft, a gearbox comprising at least, a ring gear, a sun gear, and, a planetary gear and planetary carrier. The first input shaft drives either the ring gear, the sun gear or the planetary gear and/or planetary carrier, the second input shaft drives one of the gears not driven by the first input shaft, and the remaining gear driving the output shaft.

Inventors:
HEAD PHILIP (GB)
Application Number:
PCT/EP2014/074788
Publication Date:
May 26, 2016
Filing Date:
November 17, 2014
Export Citation:
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Assignee:
CORETEQ SYSTEMS LTD (GB)
International Classes:
F16H3/72; E21B43/12; F04B47/06; F16H25/22; F16H37/14
Domestic Patent References:
WO2010099325A22010-09-02
Foreign References:
DE19611910A11997-10-02
EP1484532A22004-12-08
US20080080991A12008-04-03
US7541543B22009-06-02
Attorney, Agent or Firm:
HARMAN, Paul (Camberley Surrey GU15 2EG, GB)
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