# US 11,306,827 B2 · Slide valve > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,306,827 B2 - Document ID: US11306827B2 - Status: Granted - Kind: B2 - Application number: 16/754,908 - Filed: 2017-11-09 - Published: 2020-08-20 - Granted: 2022-04-19 - Earliest claimed: 2017-11-09 - Assignees: Tmt Tapping-Measuring-Technology Sarl - Applicants: Tmt Tapping-Measuring-Technology Sarl - Inventors: Charles Steichen; Patrick Hutmacher - Web page: https://patentgrep.com/patent/US11306827B2 ## CPC - F16K 3/0272: {permitting easy assembly or disassembly} - F16K 3/20: by movement of the seats - F16K 3/207: {by means of hydraulic forces} - F16K 3/22: with sealing faces shaped as surfaces of solids of revolution (F16K13/02 takes precedence; with resilient valve members F16K3/28) - F16K 27/04: of sliding valves - F16K 27/044: {slide valves with flat obturating members} - F27B 1/10: Details, accessories or equipment specially adapted for furnaces of these types - F27D 99/0073: {Seals} - F16K 31/523: {comprising a sliding valve} - 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)} - F27B: FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS - F27D: DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE ## Abstract The invention relates to a slide valve (20) having a slide valve plate (32) movable in a slide valve rail (29) between a locked position and an open position in a slide valve casing (26), said slide valve rail (29) being provided with a slide valve seal for attaining a gas-proof locked position, said slide valve rail (29) being connected to the slide valve casing (26) via a flange connection in such a manner that the slide valve rail (29) is removable from the slide valve casing (26) radially to a flow axis of the slide valve (20). ## Claims ### Claim 1 A slide valve (20, 25) having a slide valve plate (32, 63) movable in a slide valve rail (29, 67) between a locked position and an open position in a slide valve casing (26, 78), said slide valve rail (29, 67) being provided with a slide valve seal for attaining a gas-proof locked position, characterized in that the slide valve rail (29, 67) is connected to the slide valve casing (26, 78) via a flange connection in such a manner that the slide valve rail (29, 67) is removable from the slide valve casing (26, 78) radially to a flow axis (60, 95) of the slide valve (20, 25) so that the slide valve casing (26, 78) may remain in place while the slide valve seal is exchanged, wherein the slide valve rail (29, 67) has two rail halves (30, 31; 68, 69), each including a seal element (33, 34; 70, 71) for sealing against a slide valve plate surface (45, 46) to form the slide valve seal, wherein the rail halves (30, 31) are removable from the slide valve casing (26) independently of each other. ### Claim 2 (depends on 1) The slide valve according to claim 1, characterized in that the rail halves (30, 31; 68, 69) each comprise an axial support device (47, 48) for supporting against the slide valve plate surfaces (45, 46) on both sides. ### Claim 3 (depends on 1) The slide valve according to claim 1, characterized in that at a casing connection side, the rail halves (30, 31; 68, 69) have a circular flange (49, 50; 83, 84) for forming the flange connection as a clamp connection (51, 52; 79, 80) using a circular flange (53, 54; 81, 82) formed at a casing part (27, 28; 76, 77) of the slide valve casing (26, 78). ### Claim 4 (depends on 1) The slide valve according to claim 1, characterized in that the rail halves (30, 31) comprise a seal carrier (35, 36) for disposing the seal element (33, 34), said seal carrier (35, 36) serving for being connected to a casing part (27, 28) of the slide valve casing (26). ### Claim 5 (depends on 1) The slide valve according claim 1, characterized in that the rail halves (30, 31) are realized differently to each other. ### Claim 6 (depends on 1) The slide valve according to claim 1, characterized in that the slide valve plate (63) is a component of a mounting unit (91). ### Claim 7 (depends on 6) The slide valve according to claim 6, characterized in that for forming the mounting unit (91), the rail halves (68, 69) are connected to each other having the slide valve plate (63) therebetween and by means of a temporary mounting safeguard (87). ### Claim 8 (depends on 7) The slide valve according to claim 7, characterized in that for forming the mounting safeguard (87), the rail halves (68, 69) are braced against each other using axial bracing devices. ### Claim 9 (depends on 8) The slide valve according to claim 8, characterized in that the rail halves (68, 69) are formed differently to each other and the slide valve plate (63) is shaped like a cup. ### Claim 10 (depends on 9) The slide valve according to claim 9, characterized in that for disposing the seal element (70, 71), the rail halves (68, 69) comprise a seal carrier (72, 73) which simultaneously serves for forming a support device in such a manner that the support device forms a reception for the seal element (70, 71). ### Claim 11 A slide valve (20, 25) having a slide valve plate (32, 63) movable in a slide valve rail (29, 67) between a locked position and an open position in a slide valve casing (26, 78), said slide valve rail (29, 67) being provided with a slide valve seal for attaining a gas-proof locked position, characterized in that the slide valve rail (29, 67) is connected to the slide valve casing (26, 78) via a flange connection in such a manner that the slide valve rail (29, 67) is removable from the slide valve casing (26, 78) radially to a flow axis (60, 95) of the slide valve (20, 25) so that the slide valve casing (26, 78) may remain in place while the slide valve seal is exchanged, wherein the slide valve rail (29, 67) has two rail halves (30, 31; 68, 69), each including a seal element (33, 34; 70, 71) for sealing against a slide valve plate surface (45, 46) to form the slide valve seal, wherein that the rail halves (30, 31; 68, 69) each comprise an axial support device (47, 48) for supporting against the slide valve plate surfaces (45, 46) on both sides. ### Claim 12 (depends on 11) The slide valve of claim 11, wherein the rail halves (30, 31) are removable from the slide valve casing (26) independently of each other. ### Claim 13 (depends on 11) The slide valve of claim 11, wherein the rail halves (68, 69) are removable from the slide valve casing (78) as a connected mounting unit (91). ### Claim 14 (depends on 11) The slide valve of claim 11, wherein the rail halves (30, 31) are realized differently to each other. ### Claim 15 (depends on 11) The slide valve according to claim 11, wherein at a casing connection side, the rail halves (30, 31; 68, 69) have a circular flange (49, 50; 83, 84) for forming the flange connection as a clamp connection (51, 52; 79, 80) using a circular flange (53, 54; 81, 82) formed at a casing part (27, 28; 76, 77) of the slide valve casing (26, 78). ### Claim 16 A slide valve (20, 25) having a slide valve plate (32, 63) movable in a slide valve rail (29, 67) between a locked position and an open position in a slide valve casing (26, 78), said slide valve rail (29, 67) being provided with a slide valve seal for attaining a gas-proof locked position, characterized in that the slide valve rail (29, 67) is connected to the slide valve casing (26, 78) via a flange connection in such a manner that the slide valve rail (29, 67) is removable from the slide valve casing (26, 78) radially to a flow axis (60, 95) of the slide valve (20, 25) so that the slide valve casing (26, 78) may remain in place while the slide valve seal is exchanged, wherein the slide valve rail (29, 67) has two rail halves (30, 31; 68, 69), each including a seal element (33, 34; 70, 71) for sealing against a slide valve plate surface (45, 46) to form the slide valve seal, wherein at a casing connection side, the rail halves (30, 31; 68, 69) have a circular flange (49, 50; 83, 84) for forming the flange connection as a clamp connection (51, 52; 79, 80) using a circular flange (53, 54; 81, 82) formed at a casing part (27, 28; 76, 77) of the slide valve casing (26, 78). ### Claim 17 (depends on 16) The slide valve of claim 16, wherein the rail halves (30, 31) are removable from the slide valve casing (26) independently of each other. ### Claim 18 (depends on 16) The slide valve of claim 16, wherein the rail halves (68, 69) are removable from the slide valve casing (78) as a connected mounting unit (91). ### Claim 19 (depends on 16) The slide valve of claim 16, wherein the rail halves (30, 31) are realized differently to each other. ### Claim 20 (depends on 16) The slide valve according to claim 16, wherein the rail halves (30, 31; 68, 69) each comprise an axial support device (47, 48) for supporting against the slide valve plate surfaces (45, 46) on both sides.