Title:
LEAK DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/234193
Kind Code:
A1
Abstract:
The invention relates to a leak detection device (54) comprising: - a portable leak detection bell (55) that comprises a seal and is configured to define a detection chamber (61) between the main body and the test zone, the detection bell also having a handle (76) provided with a manually actuable control member (51, 52) for producing a control signal, - a gas suction circuit intended to connect the detection chamber (61) to a vacuum pump (37, 57), the gas suction circuit being provided with a controlled valve (48, 248) that is able to be switched into an open state for connecting the detection chamber (61) to the vacuum pump (37, 57) and a closed state for isolating the detection chamber (61) from the vacuum pump, and - a control unit (36) configured to switch the controlled valve in response to the control signal.
Inventors:
TOS GAËL (FR)
PERROT OLIVIER (FR)
LARROQUE SÉBASTIEN (FR)
DE FARIA ANTHONY (FR)
DA CUNHA CARLOS (FR)
FRAYSSE VINCENT (FR)
HASSLER DAVID (FR)
PERROT OLIVIER (FR)
LARROQUE SÉBASTIEN (FR)
DE FARIA ANTHONY (FR)
DA CUNHA CARLOS (FR)
FRAYSSE VINCENT (FR)
HASSLER DAVID (FR)
Application Number:
PCT/EP2020/063718
Publication Date:
November 26, 2020
Filing Date:
May 15, 2020
Export Citation:
Assignee:
GAZTRANSPORT ET TECHNIGAZ (FR)
International Classes:
G01M3/22; B25B11/00; F16B47/00
Domestic Patent References:
| WO2014057221A2 | 2014-04-17 |
Foreign References:
| US4002055A | 1977-01-11 | |||
| US4104905A | 1978-08-08 | |||
| US5559282A | 1996-09-24 | |||
| US3524342A | 1970-08-18 | |||
| KR20100050128A | 2010-05-13 | |||
| KR20100050128A | 2010-05-13 | |||
| EP0064886A1 | 1982-11-17 | |||
| US4021982A | 1977-05-10 | |||
| FR2691520A1 | 1993-11-26 |
Attorney, Agent or Firm:
LOYER & ABELLO (FR)
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