Title:
EMERGENCY COUPLING AND RELEASE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/157043
Kind Code:
A1
Abstract:
Disclosed is a self-closing emergency coupling and release device for the transport of cryogenic fluid, comprising two fluid transport pipes (2, 3) extending in a longitudinal direction and each comprising, at a connection end, a valve mechanism (4, 6, 8; 5, 7, 9) configured to automatically close the pipe when the connection ends are separated and to open the pipe when the connection ends are coupled, the device (1) further comprising an outer tube (10, 11) arranged around each transport pipe (2, 3) and delimiting a vacuum space for thermally insulating the transport pipe (2, 3), the device (1) further comprising a mechanism for holding the transport pipe (2, 3) in the outer tube (10, 11), characterized in that the holding mechanism comprises a frustoconical connection tube (18, 19) having a first end connected to the outer tube (10, 11) and a second end connected to the transport pipe (2, 3).
Inventors:
COLEIRO GAËTAN (FR)
PENNEC YANN (FR)
PENNEC YANN (FR)
Application Number:
PCT/EP2022/050496
Publication Date:
July 28, 2022
Filing Date:
January 12, 2022
Export Citation:
Assignee:
AIR LIQUIDE (FR)
International Classes:
F16L23/12; B67D7/32; F16L29/04; F16L39/00; F16L59/18
Domestic Patent References:
| WO2020090728A1 | 2020-05-07 |
Foreign References:
| EP3581839A1 | 2019-12-18 | |||
| JP2016070374A | 2016-05-09 | |||
| US3280849A | 1966-10-25 | |||
| EP3581839A1 | 2019-12-18 |
Attorney, Agent or Firm:
DE CUENCA, Emmanuel (FR)
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