Title:
FLUID CIRCULATION DEVICE, INSTALLATION AND METHOD USING SUCH A DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/169709
Kind Code:
A1
Abstract:
The invention relates to a fluid circulation device comprising a casing (2) containing an electric machine (3), a cycle-gas circuit (5) subjecting the cycle gas to a change between a minimum pressure and a maximum pressure, a cycle-gas drive member (4) rotationally coupled to the electric machine (3), an electrical junction box (6) through which there passes electric circuitry (8) having one end connected to the electric machine (3) and one end connected to an electrical coupling (7) open to the outside, the device (1) comprising a cycle-gas conveying pipe (15) connected to a portion of the circuit (5) in which the cycle gas is at a pressure higher than the minimum pressure and to the inside of the junction box (6), the junction box (6) comprising a passage (9) for communicating with the inside of the casing (2), the conveying pipe (15), the passage (9) and the return pipe (25) being configured to bleed a fraction of the cycle gas from the circuit (5) and pass it through the junction box (6) with a view to cooling same before returning to the circuit (5).
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Inventors:
DURAND FABIEN (FR)
GOND PIERRE ADRIEN (FR)
GOND PIERRE ADRIEN (FR)
Application Number:
PCT/EP2022/084801
Publication Date:
September 14, 2023
Filing Date:
December 07, 2022
Export Citation:
Assignee:
AIR LIQUIDE (FR)
International Classes:
F25B9/00; F25B9/06; F25B31/00; F25B49/02; H05K7/00
Foreign References:
| JPH10292948A | 1998-11-04 | |||
| EP0933603A1 | 1999-08-04 | |||
| US20090090118A1 | 2009-04-09 |
Attorney, Agent or Firm:
DE CUENCA, Emmanuel (FR)
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