# US 11,441,692 B2 · Overflow and overheat shutoff safety gas inlet > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,441,692 B2 - Document ID: US11441692B2 - Status: Granted - Kind: B2 - Application number: 16/936,687 - Filed: 2020-07-23 - Published: 2021-07-01 - Granted: 2022-09-13 - Earliest claimed: 2019-12-30 - Assignees: Seven Universe Industrial Co., Ltd. - Applicants: Seven Universe Industrial Co., Ltd. - Inventors: Pao-Chi Chang - Web page: https://patentgrep.com/patent/US11441692B2 ## CPC - F16K 17/003: {reacting to pressure and temperature} - F16K 17/28: operating in one direction only - F16K 17/32: acting on a servo-mechanism or on a catch-releasing mechanism - F16K 17/38: of excessive temperature - F16K 17/383: {the valve comprising fusible, softening or meltable elements, e.g. used as link, blocking element, seal, closure plug (F16K17/386 takes precedence)} - F16K 31/084: {the magnet being used only as a holding element to maintain the valve in a specific position, e.g. check valves (F16K31/082, F16K31/086 take precedence)} - F17C 2205/0332: Safety valves or pressure relief valves - 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)} - 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) ## Abstract An overflow and overheat shutoff safety gas inlet connector, comprising a gas inlet connector, to be connected to the gas source, with a gas inlet hole configured axially, a chamber configured on one end to be connected to the gas inlet hole, and a plurality of holding compartments configured on one side of the chamber, a connecting tube, in threaded connection with the gas inlet connector, with a convex portion on its one end, a transfer canal configured axially and going through the convex portion, said transfer canal matching the gas inlet hole, a first magnetic piece, made of a magnetic material, movably configured inside the chamber and matching the gas inlet hole and the transfer canal, able to seal the transfer canal when being pressed against the convex portion, a plurality of second magnetic pieces, made of a magnetic material, and a plurality of temperature control pieces. ## Claims ### Claim 1 An overflow and overheat shutoff safety gas inlet connector, comprising: a gas inlet connector, to be connected to a gas source, with a gas inlet hole configured axially, a chamber configured on one end to be connected to the gas inlet hole, and a plurality of holding compartments configured on one side of the chamber; a connecting tube, in threaded connection with the gas inlet connector, with a convex portion on one end of the connecting tube, a transfer canal configured axially and going through the convex portion; a first magnetic piece, made of a magnetic material, movably configured inside the chamber, able to seal the transfer canal when being pressed against the convex portion; a plurality of second magnetic pieces, made of a magnetic material, movably configured inside the holding compartments and protruding out of the holding compartments to attract the first magnetic piece; and a plurality of temperature control pieces, made of a material that can be softened or melted at a preset temperature, configured on one side of the second magnetic piece, so that the plurality of second magnetic pieces can be fixed inside the holding compartments; when the temperature control pieces are softened or melted, the plurality of second magnetic pieces can immediately fall apart from the holding compartments. ### Claim 2 (depends on 1) The overflow and overheat shutoff safety gas inlet connector defined in claim 1, wherein, one side of the chamber of the gas inlet connector is configured with more than two holding compartments. ### Claim 3 (depends on 2) The overflow and overheat shutoff safety gas inlet connector defined in claim 2, wherein said first magnetic piece is sized to be in the shape of a plate, able to seal the transfer canal when being pressed against the convex portion. ### Claim 4 (depends on 2) The overflow and overheat shutoff safety gas inlet connector defined in claim 2, wherein said temperature control piece is sized to be in the shape of a ring, sheathed around the periphery of the plurality of second magnetic pieces and abutting an inner wall of the plurality of holding compartments. ### Claim 5 (depends on 2) The overflow and overheat shutoff safety gas inlet connector defined in claim 2, wherein said plurality of temperature control pieces is sized to be in the shape of a shell, covering one end of the plurality of second magnetic pieces and abutting an inner wall of the plurality of holding compartments. ### Claim 6 (depends on 1) The overflow and overheat shutoff safety gas inlet connector defined in claim 1, wherein, one side of the chamber of the gas inlet connector is configured with a ring-shaped holding compartment. ### Claim 7 (depends on 6) The overflow and overheat shutoff safety gas inlet connector defined in claim 6, wherein said first magnetic piece is sized to be in the shape of a plate, able to seal the transfer canal when being pressed against the convex portion. ### Claim 8 (depends on 1) The overflow and overheat shutoff safety gas inlet connector defined in claim 1, wherein, one end of the connecting tube is configured with a ring-shaped groove, going around the periphery of the convex portion. ### Claim 9 (depends on 1) The overflow and overheat shutoff safety gas inlet connector defined in claim 1, wherein the softening temperature of the temperature control piece is about 140° C. ### Claim 10 (depends on 1) The overflow and overheat shutoff safety gas inlet connector defined in claim 1, wherein an end of the gas inlet hole connected to the chamber is further configured with a conical part. ### Claim 11 An overflow and overheat shutoff safety gas inlet connector, comprising: a gas inlet connector, to be connected to a gas source, with a gas inlet hole configured axially, a chamber configured on one end to be connected to the gas inlet hole, and a plurality of holding compartments configured on one side of the chamber; a connecting tube, in threaded connection with the gas inlet connector, with a convex portion configured on one end of the connecting tube, a transfer canal configured axially and going through the convex portion; a first magnetic piece, made of a magnetic material, configured with a plurality of vents, movably configured inside the chamber, the vents being staggered with the transfer canal; the transfer canal can be sealed when the first magnetic piece is pressed against the convex portion; a plurality of second magnetic pieces, made of a magnetic material, movably configured inside the holding compartments to attract the first magnetic piece, so that the first magnetic piece can be pressed against the opening of the holding compartments; and a plurality of temperature control pieces, made of a material that can be softened or melted at a preset temperature, configured on one side of the second magnetic piece, so that the plurality of second magnetic pieces can be fixed inside the holding compartments; when the temperature control pieces are softened or melted, the plurality of second magnetic pieces can immediately fall apart from the holding compartments. ### Claim 12 (depends on 11) The overflow and overheat shutoff safety gas inlet connector defined in claim 11, wherein, one side of the chamber of the gas inlet connector is configured with more than two holding compartments. ### Claim 13 (depends on 11) The overflow and overheat shutoff safety gas inlet connector defined in claim 11, wherein, one side of the chamber of the gas inlet connector is configured with a ring-shaped holding compartment. ### Claim 14 (depends on 13) The overflow and overheat shutoff safety gas inlet connector defined in claim 13, wherein said first magnetic piece is sized to be in the shape of a plate, able to seal the transfer canal when being pressed against the convex portion. ### Claim 15 (depends on 12) The overflow and overheat shutoff safety gas inlet connector defined in claim 12, wherein said first magnetic piece is sized to be in the shape of a plate, able to seal the transfer canal when being pressed against the convex portion. ### Claim 16 (depends on 12) The overflow and overheat shutoff safety gas inlet connector defined in claim 12, wherein said temperature control piece is sized to be in the shape of a ring, sheathed around the periphery of the plurality of second magnetic pieces and abutting an inner wall of the plurality of holding compartments. ### Claim 17 (depends on 12) The overflow and overheat shutoff safety gas inlet connector defined in claim 12, wherein said plurality of temperature control pieces is sized to be in the shape of a shell, covering one end of the plurality of second magnetic pieces and abutting an inner wall of the plurality of holding compartments. ### Claim 18 (depends on 11) The overflow and overheat shutoff safety gas inlet connector defined in claim 11, wherein, one end of the connecting tube is configured with a ring-shaped groove, going around the periphery of the convex portion. ### Claim 19 (depends on 11) The overflow and overheat shutoff safety gas inlet connector defined in claim 11, wherein the softening temperature of the temperature control piece is about 140° C. ### Claim 20 (depends on 11) The overflow and overheat shutoff safety gas inlet connector defined in claim 11, wherein an end of the gas inlet hole connected to the chamber is further configured with a conical part.