# US 2014/0192948 A1 · Passive device regulating pressure in a chamber, chamber and associated installation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192948 A1 - Document ID: US20140192948A1 - Status: Published application - Kind: A1 - Application number: 13/824,567 - Filed: 2012-09-11 - Published: 2014-07-10 - Earliest claimed: 2011-09-13 - Assignees: Dcns - Inventors: Vincent Melot; Béranger Errien - Web page: https://patentgrep.com/patent/US20140192948A1 ## CPC - G21C 1/09: Pressure regulating arrangements, i.e. pressurisers - G21D 5/00: Arrangements of reactor and engine in which reactor-produced heat is converted into mechanical energy - Y02E 30/30: Nuclear fission reactors - G21C: NUCLEAR REACTORS (fusion reactors, hybrid fission-fusion reactors G21B; nuclear explosives G21J) - G21D: NUCLEAR POWER PLANT - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract This device comprises a spray assembly (40) for spraying fluid into the chamber, and a fluid feed pipe (42) intended to feed fluid to the spray assembly (40). It comprises a fluid-distributing intermediate receptacle (46) positioned between the feed pipe (42) and the spray assembly (40), the intermediate receptacle (46) being connected upstream to the feed pipe (42) and comprising a fluid-evacuating sidewall (52) delimiting through orifices (60) connected to the spray assembly (40). It comprises at least one pipe (44A to 44D) for evacuating fluid towards the chamber (19) and projecting into the intermediate receptacle (46) opposite the sidewall (52). ## Claims ### Claim 1 A passive pressure regulating device in a pressurized chamber comprising: at least one spray assembly for spraying fluid into the chamber; a fluid feed pipe intended to feed fluid to the spray assembly); wherein the device comprises: an intermediate fluid-distributing receptacle positioned between the feed pipe and the spray assembly, the intermediate receptacle being connected upstream to the feed pipe and comprising a fluid-evacuating sidewall delimiting at least one through orifice connected to the spray assembly, and at least one evacuation pipe evacuating fluid towards the chamber and projecting into the intermediate receptacle opposite the sidewall. ### Claim 2 (depends on 1) The device according to claim 1, comprising a plurality of evacuation pipes projecting into the intermediate receptacle, at least two evacuation pipes opening into the intermediate receptacle at different heights. ### Claim 3 (depends on 2) The device according to claim 2, wherein at least two evacuation pipes projecting into the intermediate receptacle have different inner cross-sections. ### Claim 4 (depends on 1) The device according to claim 1, wherein each evacuation pipe is arranged in a central region of the intermediate receptacle, the intermediate receptacle comprising a peripheral region located around the central zone into which the feed pipe leads. ### Claim 5 (depends on 1) The device according to claim 1, comprising an adjuster for adjusting the height of each evacuation pipe projecting into the receptacle. ### Claim 6 (depends on 1) The device according to claim 1, wherein the sidewall delimits a plurality of through orifices distributed over the height thereof. ### Claim 7 (depends on 6) The device according to claim 6, wherein the total cross-section of the through orifices positioned above the or each evacuation pipe on the sidewall differs from the total cross-section of the through orifices at the height of the evacuation pipe. ### Claim 8 (depends on 1) The device according to claim 1, wherein the sidewall delimits a plurality of through orifices distributed angularly around an axis of the intermediate receptacle. ### Claim 9 (depends on 1) The device according to claim 1, comprising a member for distributing the fluid from the feed pipe, the distributing member being arranged opposite the feed pipe). ### Claim 10 (depends on 1) The device according to claim 1, comprising a bottom plate closing the sidewall downwardly, the feed pipe opening into the bottom plate or through the bottom plate. ### Claim 11 (depends on 1) The device according to claim 1, wherein the fluid spray assembly is arranged outside and around the sidewall, the spray assembly comprising a shower volume, each through orifice connecting the intermediate receptacle to the shower volume. ### Claim 12 (depends on 11) The device according to claim 11, wherein the spray assembly comprises a lower wall delimiting a plurality of droplet-forming lumens. ### Claim 13 (depends on 1) A pressurized chamber, comprising a tank containing a liquid and a gas overhead, the chamber comprising a device according to claim 1 arranged in the tank, the spray assembly being arranged in the gas overhead of the tank, the evacuation pipes leading into the liquid. ### Claim 14 (depends on 13) A power-producing installation comprising an energy source, a heat exchanger and a primary fluid circulation circuit connecting the heat exchanger with the source, comprising a chamber according to claim 13 connected to the primary circuit—. ### Claim 15 (depends on 14) The installation according to claim 14, wherein it is on board a submarine.