Title:
CRYOGENIC PUMP
Document Type and Number:
WIPO Patent Application WO/2023/227457
Kind Code:
A1
Abstract:
Piston pump (1) suitable for pumping a fluid at very low temperature, for example hydrogen, said pump (1) having a suction side (A) and a compression side (B), the suction side (A) comprising an inlet (4) provided for the liquid and intended to be connected to a liquid supply reservoir external to the pump (1), a suction chamber (3) for receiving the fluid, and a first fluid degassing duct (5) communicating with the suction chamber (3), the compression side (B) comprising a pump cylinder (2) carrying an assembly (8) for compression and delivery of the liquid, said cylinder (2) comprising a second chamber (6) which communicates with the suction chamber (3) and in which the fluid at very low temperature circulates in order to cool the compression and delivery assembly (8).
Inventors:
GEBEL FÉLICIEN (CH)
BOEGLIN STÉPHANE (CH)
DUVIVIER PIERRE-YVES (CH)
BOEGLIN STÉPHANE (CH)
DUVIVIER PIERRE-YVES (CH)
Application Number:
PCT/EP2023/063384
Publication Date:
November 30, 2023
Filing Date:
May 17, 2023
Export Citation:
Assignee:
FIVES CRYOMEC AG (CH)
International Classes:
F04B15/08; F04B37/08; F04B53/08
Foreign References:
| US20190293067A1 | 2019-09-26 | |||
| US4396362A | 1983-08-02 | |||
| EP2600001A1 | 2013-06-05 |
Attorney, Agent or Firm:
IP TRUST (FR)
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