# US 2014/0190572 A1 · Connecting piece of a transport line > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0190572 A1 - Document ID: US20140190572A1 - Status: Published application - Kind: A1 - Application number: 14/241,640 - Filed: 2012-09-03 - Published: 2014-07-10 - Earliest claimed: 2011-09-02 - Assignees: Aurotec GmbH - Inventors: Stefan Zikeli; Friedrich Ecker - Web page: https://patentgrep.com/patent/US20140190572A1 ## CPC - F16K 17/162: {of the non reverse-buckling-type (F16K17/1633 takes precedence)} - F16K 17/02: opening on surplus pressure on one side; closing on insufficient pressure on one side (check valves F16K15/00) - F28F 7/02: Blocks traversed by passages for heat-exchange media {(F28D7/0008 takes precedence)} - B01F 25/43161: {composed of consecutive sections of flat pieces of material} - F28F 2265/12: for preventing overpressure - Y10T 137/0379: By fluid pressure - Y10T 137/1729: Dome shape - Y10T 137/7837: Direct response valves [i.e., check valve type] - 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)} - F28F: DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (water and air traps, air venting F16) - B01F: MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING (mixing paints B44D3/06) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A tempered connecting piece is provided for transporting a viscous fluid, and includes an excess pressure release component, which separates the inside of the connecting piece from a discharge line and is fixed to an outer edge on the discharge line. The excess pressure release component is designed to release the discharge line in the event of predetermined excess pressure and a mixing element, which thoroughly mixes a fluid flow in the region of the excess pressure release component, is arranged in the inside of the connecting piece. ## Claims ### Claim 1 A temperature-regulated connecting piece for transporting a viscous fluid, comprising: an excess pressure release component, which separates an interior of the connecting piece from a discharge line and is fixed with an outer edge to the discharge line the excess pressure release component is provided to free the discharge line in the presence of a preset excess pressure; and a mixing element is provided in the interior of the connecting piece; said mixing element thoroughly mixing a fluid flow in the region of the excess pressure release component. ### Claim 2 (depends on 1) The connecting piece according to claim 1, characterised in that the excess pressure release component is set back from the interior of the connecting piece. ### Claim 3 (depends on 1) The connecting piece according to claim 1, characterised in that the excess pressure release component is a bursting element, preferably a bursting disc, or an excess pressure valve. ### Claim 4 (depends on 1) The connecting piece according to claim 1, characterised in that, in the presence of excess pressure, the excess pressure release component frees a large area, at least 70%, of its area facing the interior of the connecting piece. ### Claim 5 (depends on 1) The connecting piece according to claim 1, characterised in that the connecting piece can be temperature-regulated by means of thermal insulation of the connecting piece and/or by means of heating or cooling elements. ### Claim 6 (depends on 1) The connecting piece according to claim 1, characterised in that it comprises a bore for sampling fluid from the interior of the connecting piece before the excess pressure release component, preferably immediately before the excess pressure release component. ### Claim 7 (depends on 1) The connecting piece according to claim 1, characterised in that it has a bore for accommodating a temperature and/or pressure sensor, preferably immediately before the bursting disc, wherein the bore is optionally suitable at the same time for sampling fluid from the interior of the connecting piece. ### Claim 8 (depends on 6) The connecting piece according to claim 6, characterised in that the bore is a closable valve. ### Claim 9 (depends on 1) The connecting piece according to claim 1, characterised in that the excess pressure release component is a bursting element, and a cutting element, preferably a bursting spike or a blade, is positioned in the discharge line in such a way that, in the presence of excess pressure in the connecting piece, the bursting element is pressed against the cutting element and thus bursts open. ### Claim 10 (depends on 1) The connecting piece according to claim 1, characterised in that the excess pressure release component is a bursting element which is curved centrally, preferably curved convex or concave in the direction of the interior of the connecting piece. ### Claim 11 (depends on 1) The connecting piece according to claim 1, characterised in that at least one heat carrier channel is provided in the region of the excess pressure release component. ### Claim 12 (depends on 1) The connecting piece according to claim 1, characterised in that the excess pressure release component is clamped, preferably flange-mounted, in a holding fixture in the inner wall of the discharge line. ### Claim 13 (depends on 1) A method for transporting a viscous fluid through a heat exchanger line, which includes a connecting piece according to claim 1. ### Claim 14 (depends on 13) The method according to claim 13, characterised in that the viscous fluid is thermally unstable. ### Claim 15 (depends on 13) The method according to claim 13, characterised in that the viscous fluid is a cellulose solution.