# US 9,518,702 B2 · Valve for pressurized fluid and tank furnished with such a valve > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,518,702 B2 - Document ID: US9518702B2 - Status: Granted - Kind: B2 - Application number: 14/604,838 - Filed: 2015-01-26 - Published: 2015-05-28 - Granted: 2016-12-13 - Earliest claimed: 2011-01-11 - Assignees: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude - Applicants: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude - Inventors: Renaud Ligonesche; Tristan Debry; Romuald De Potter - Web page: https://patentgrep.com/patent/US9518702B2 ## CPC - F17C 13/04: Arrangement or mounting of valves (valves per se F16K {; snap-coupling of nipples F16L37/00}) - F16K 31/602: {Pivoting levers, e.g. single-sided (F16K31/605 takes precedence)} - F17C 2205/0329: manually actuated - F17C 2205/0338: Pressure regulators - F17C 2205/0394: in direct contact with the pressure vessel - F17C 2227/048: by maintaining residual pressure - F17C 2250/043: Pressure - Y10T 137/8158: With indicator, register, recorder, alarm or inspection means - Y10T 137/8326: Fluid pressure responsive indicator, recorder or alarm - F17C: VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES (storing fluids in natural or artificial cavities or chambers in the earth B65G5/00; construction or assembling of bulk storage containers employing civil-engineering techniques E04H7/00; variable-capacity gas-holders F17B; liquefaction or refrigeration machines, plants, or systems F25) - F16K: VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING {(devices for emptying and evacuating the excess liquid in valves or conduits F16L55/07)} - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A valve for pressurized fluid, with or without incorporated pressure-reducing valve, comprising a body accommodating a fluid circuit having an upstream end and a downstream end, the circuit comprising an isolation valve element in order to selectively close off the circuit, the valve element being controlled by a lever mounted so as to pivot on the body between a rest position in which the isolation valve element is held in a position of closing the circuit and an active position in which the lever moves the isolation valve element into a position of opening the circuit, the lever provides protection for a functional member mounted on the body of the valve, there is no mechanical collision between the opening and the measuring member, and wherein no portion of the measuring member is within the volume of the lever. ## Claims ### Claim 1 A valve for pressurized fluid, with or without incorporated pressure-reducing valve, comprising a body comprising a fluid circuit having an upstream end designed to be placed in communication with a reserve of pressurized fluid and a downstream end designed to be placed in communication with a pressurized fluid using device, the circuit comprising an isolation valve element configured to selectively close off the circuit, the isolation valve element being configured to be controlled by a lever, wherein the lever is mounted so as to be capable of pivoting on the body between a rest position in which the isolation valve element is configured to close the fluid circuit and an active position in which the isolation valve element is configured to open the fluid circuit, wherein the lever comprises at least one opening and in that, when the lever is configured in at least one of the active position, the rest position, or an intermediate position between these two positions, the lever provides protection for a functional member mounted on the body of the valve, wherein the functional member comprises a measuring member adapted to measure a physical magnitude of the fluid in the circuit, the measuring member comprising a display, the opening of the lever having a shape that matches the display of the measuring member, and wherein when the lever is configured in a position selected from the group consisting of the rest position, the active position, and an intermediate position, at least a portion of the display of the measuring member is positioned through the opening of the lever, and the display is at least partially surrounded by the body of the lever and incorporated into a volume of the lever. ### Claim 2 (depends on 1) The valve of claim 1, wherein the measuring member is a manometer indicating a pressure or a content. ### Claim 3 (depends on 1) The valve of claim 1, wherein the lever comprises one or more reinforcements forming cross members between two ends of the opening. ### Claim 4 (depends on 1) The valve of claim 1, wherein, when the lever is configured in at least one of the active or rest positions, at least one bearing portion of the lever, interacts in abutment with the body of the valve adapted to limit the movement of the lever. ### Claim 5 (depends on 1) The valve of claim 1, wherein one end of the lever is articulated on the body and wherein at least one bearing portion of the lever is situated close to the axis of articulation of the lever. ### Claim 6 (depends on 1) The valve of claim 1, wherein at least one bearing portion of the lever is situated close to a second end of the lever that is opposite to where one end of the lever is articulated on the body. ### Claim 7 (depends on 1) The valve of claim 1, wherein the opening is circular, oval, square, rectangular or parallelepipedal and is situated close to one end of the lever. ### Claim 8 (depends on 1) The valve of claim 1, wherein the lever is made of a plastic and/or of molded metal. ### Claim 9 (depends on 1) The valve of claim 1, wherein the lever is made of a pressed metal. ### Claim 10 (depends on 1) The valve of claim 1, wherein the opening of the lever is delimited by a closed contour. ### Claim 11 (depends on 1) The valve of claim 1, wherein the opening of the lever is delimited by an open contour. ### Claim 12 (depends on 1) A tank of pressurized fluid comprising the valve of claim 1. ### Claim 13 (depends on 1) The valve of claim 1, wherein there is no mechanical collision between the opening and the measuring member. ### Claim 14 (depends on 1) The valve of claim 1, wherein no portion of the measuring member is within the volume of the lever.