| US 7,503,129 B2 | ||
| Steam blower box | ||
| Rudolf Mann, Schwalbach am Taunus (Germany) | ||
| Assigned to V.I.B. Systems GmbH, Maintal (Germany) | ||
| Filed on Jun. 08, 2005, as Appl. No. 11/147,877. | ||
| Claims priority of application No. 10 2004 027 972 (DE), filed on Jun. 08, 2004. | ||
| Prior Publication US 2005/0268482 A1, Dec. 08, 2005 | ||
| Int. Cl. F26B 21/00 (2006.01) | ||
| U.S. Cl. 34—568 [34/444] | 4 Claims |

| 1. A method of controlling steam quantity and/or steam exit speed from steam outlet openings of a steam blower box for applying steam onto a material web travelling past the steam blower box, the method comprising forming an air vortex on a web entry side when sealing a steam application area relative to air, and increasing the steam quantity and/or steam outlet speed from a first steam outlet opening until an increased temperature is measured in an area of the air vortex until an increased temperature is measured in the area of the air vortex corresponding to the steam temperature. |