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Title:
WRENCH FOR OPERATING A VALVE
Document Type and Number:
WIPO Patent Application WO/2023/148348
Kind Code:
A1
Abstract:
The invention relates to a wrench for operating a valve arranged in an opening, the operating wrench comprising: - a hollow operating shaft, which extends from a proximal end to a distal end; - an epicyclic gear train, arranged at the distal end of the operating shaft, and configured to apply a torque, referred to as output torque, to a valve arranged in an opening, as soon as a torque, referred to as input torque, is exerted on the operating shaft, the output torque being greater than the input torque.

Inventors:
FRONTERO PHILIPPE (FR)
Application Number:
PCT/EP2023/052726
Publication Date:
August 10, 2023
Filing Date:
February 03, 2023
Export Citation:
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Assignee:
GRDF (FR)
International Classes:
B25B13/50; B25B17/02; F16K31/60
Domestic Patent References:
WO1998003845A11998-01-29
Foreign References:
DE102008034811A12010-01-28
US20210381615A12021-12-09
DE102006016350A12007-10-11
Attorney, Agent or Firm:
RIOU, Grégory (FR)
Download PDF:
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