# US 11,306,858 B2 · Powered emergency released coupling control and monitoring system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,306,858 B2 - Document ID: US11306858B2 - Status: Granted - Kind: B2 - Application number: 17/121,905 - Filed: 2020-12-15 - Published: 2021-04-01 - Granted: 2022-04-19 - Earliest claimed: 2016-07-05 - Assignees: Mann Teknik AB - Applicants: Mann Teknik AB - Inventors: Johan Lilliesköld; Gerhard Kopplin; Fredrik Adamsson; Markus Bäckström - Web page: https://patentgrep.com/patent/US11306858B2 ## CPC - F16L 55/1007: {Couplings closed automatically when broken} - B63B 27/24: of pipe-lines - B67D 7/3218: {relating to emergency shut-off means} - B67D 9/00: Apparatus or devices for transferring liquids when loading or unloading ships (ship-based equipment B63B27/00) - F16L 29/04: with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied - F16L 55/1015: {Couplings closed automatically when disengaging force exceeds preselected value (F16L55/1007 takes precedence)} - F17C 5/007: {for individual gas tanks or containers, e.g. in vehicles (filling with liquid fuel not under pressure, B60S5/02, B67D7/00)} - F17C 2250/072: Action when predefined value is reached - F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL - B63B: SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING (arrangements of vessel ventilation, heating, cooling, or air-conditioning B63J2/00; floating substructures as supports of dredgers or soil-shifting machines E02F9/06) - B67D: DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR (cleaning pipes or tubes or systems of pipes or tubes B08B9/02; emptying or filling of bottles, jars, cans, casks, barrels, or similar containers, not otherwise provided for B67C; water supply E03; pipe systems F17D; domestic hot-water supply systems F24D; measuring volume, volume flow, mass flow or liquid level, metering by volume G01F; coin-freed or like apparatus G07F) - 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 The present invention relates to a pneumatically, high pressure gas powered emergency release coupling control and monitoring system (S) comprising a powered emergency released coupling (1) arranged in a fluid-supply line (32) for conveying hazardous fluids, said powered emergency released coupling (1) comprising a couple of coupling members (10, 11) provided with mating faces (10A, 11A) for sealing engagement of the coupling members (10, 11) and formation of a pressurizable chamber (12) between said coupling members (10, 11), said system (S) comprising an actuation line (7) connected at its one end to the pressurizable chamber (12) and at its other end to a source (C) of high pressure gaseous media (GH), preferably high pressure nitrogen gas, an first actuating device (4A, 4B) arranged in the actuation line (7), wherein said system (S) provides a gaseous media at a pilot pressure level to said pressurizable chamber (12) and to said actuation line (7) in a position downstream the first actuation device (4A, 4B) or via said pressurizable chamber (12) for detection of any leakage of gas in the control and monitoring system (S), said pilot pressure gaseous media preferably being 15 low pressure nitrogen gas. The invention further relates to a pneumatically, high pressure gas powered emergency release coupling (1) and a control and monitoring method for such a system (S). ## Claims ### Claim 1 A powered emergency release coupling arranged in a fluid-supply line for conveying hazardous fluids, comprising first and second generally tubular coupling members provided with mating faces for sealing engagement of the coupling members, wherein: the coupling members when connected are held together with break studs comprising a break point, the first coupling member comprise a channel having an inner side wall and an outer side wall, the second coupling member comprising a seal supporting member arranged to be inserted into said channel upon connection of said coupling members, the seal supporting member has a length being longer than a longitudinal distance between the break point of the break studs and the mating face of mounting flanges, and at least one of the coupling members is provided with a pressurizable chamber arranged to enable separation of the powered emergency release coupling when provided with a high pressure gaseous media, wherein the pressurizable chamber comprise means for connection to an actuation line providing a high pressure gaseous media from a source. ### Claim 2 (depends on 1) The powered emergency release coupling according to claim 1, wherein the first coupling member comprise a channel having an inner side wall and an outer side wall, said side walls extending in an axial direction of said coupling. ### Claim 3 (depends on 2) The power emergency release coupling according to claim 2, wherein the second coupling member comprising a seal supporting member arranged to be inserted into said channel upon connection of said coupling members, first and second seals are arranged on opposite sides of said seal supporting member forming the pressurizable chamber. ### Claim 4 (depends on 1) The power emergency release coupling according to claim 1, wherein a first and second seal are arranged in the second coupling member to seal the pressurizable chamber towards the first coupling member and a third seal is arranged to seal the fluid supply line. ### Claim 5 (depends on 4) The power emergency release coupling according to claim 4, wherein the first and second seals are arranged at equal distance from the mating face of the mounting flanges. ### Claim 6 (depends on 4) The power emergency release coupling according to claim 4, wherein the third seal is arranged in the second coupling member to seal the fluid supply line between the first and second coupling member. ### Claim 7 (depends on 4) The power emergency release coupling according to claim 4, wherein the first and second seals are arranged on the seal supporting member of the second coupling member. ### Claim 8 (depends on 2) The powered emergency release coupling according to claim 2, wherein the outer wall has a length being at least ⅔ of a break stud length. ### Claim 9 (depends on 2) The powered emergency release coupling according to claim 2, wherein the inner and outer walls have a length being at least ⅔ of a break stud length. ### Claim 10 (depends on 2) The powered emergency release coupling according to claim 2, wherein at least one of the inner and outer walls has a length being longer than the distance between the break point of break studs and mating face of the mounting flanges. ### Claim 11 (depends on 2) The powered emergency release coupling according to claim 2, wherein the outer wall has a length corresponding to at least the distance between a valve member and a valve seat when the first and second coupling members are connected. ### Claim 12 (depends on 3) The powered emergency release coupling according to claim 3, wherein the seal supporting member has a length being at least ⅔ of a break stud length. ### Claim 13 (depends on 3) The powered emergency release coupling according to claim 3, wherein the seal supporting member has a length being longer than the distance between the break point of break studs and the mating face of the mounting flanges. ### Claim 14 (depends on 3) The powered emergency release coupling according to claim 3, wherein the length of the seal supporting member is smaller than the depth of the channel in order to allow a gap to be formed between seal supporting member and the channel.