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Hehmann
Christian Hehmann, Wilnsdorf DE
| Patent application number | Description | Published |
|---|---|---|
| 20100199735 | Device For Adjusting the Distance of a Stripper Chisel - A device for adjusting the distance of stripper chisels from a circumference of work rolls supported in chocks of a roll stand, wherein the stripper chisels are movable parallel to the rolling line in direction towards and away from the roll gap. To adapt to different operating positions and diameters of the work rolls, the stripper chisels are arranged in a horizontally displaceable stand roller table. The movement of the stand roller table is linked with the vertical movement of the bottom work roll so that the stripper chisel can be moved away from the work roll when the bottom work roll moves upward, and vice versa. | 08-12-2010 |
Jorg Hehmann, Weil Der Stadt DE
| Patent application number | Description | Published |
|---|---|---|
| 20090202238 | Method for monitoring a passive optical network using monitoring units - A method for monitoring a passive optical network ( | 08-13-2009 |
| 20090220226 | Method for coordinating measurements and calibrations in a passive optical network - Method for coordinating measurements and calibrations in a passive optical network, PON, in particular in a Gigabit PON, the method comprising: generating, in an optical line termination ( | 09-03-2009 |
| 20090232494 | OPTICAL NETWORK, MONITORING UNIT AND MONITORING METHOD - An optical network having a tree-like structure with a main line and a plurality of branches, at least two of the branches comprising a monitoring unit for upstream signalling to the main line, wherein each of the monitoring units comprises a signal generation unit with a light source for generation of a pre-defined optical signal, and the monitoring units are construed to generate pre-defined optical signals which are different from each other, as well as a monitoring unit for generating a periodic upstream signal in such an optical network and a method for monitoring such an optical network. | 09-17-2009 |
| 20090238559 | Monitoring method for a passive optical network - The invention relates to a method for monitoring a passive optical network ( | 09-24-2009 |
William F. Hehmann, Greer, SC US
| Patent application number | Description | Published |
|---|---|---|
| 20080213092 | REPAIRED VANE ASSEMBLIES AND METHODS OF REPAIRING VANE ASSEMBLIES - Methods are provided for repairing a vane assembly, where the vane assembly includes an inner annular housing, an outer annular housing, and a vane extending therebetween. In one embodiment, the method includes removing an identified section of the vane to thereby form a pocket in an inner surface of the outer annular housing, a slot through the inner annular housing, and an edge on the vane, inserting a replacement vane portion with an advanced coating through the formed slot such that a first edge of the replacement vane portion is disposed in the pocket and at least a portion of the first edge is spaced apart from at least a portion of the outer annular housing inner surface, and welding a section of the replacement vane portion to the annular inner annular housing. The repaired vane assembly is also provided. | 09-04-2008 |
| 20090139967 | MOBILE HAND-HELD LASER WELDING SUPPORT SYSTEM - A mobile support system for a hand-held laser welding wand includes a movable cart, a laser source, a fluid source, and a filler medium supply source. The laser source is mounted on the movable cart and is configured to supply laser light for the hand-held laser welding wand. The fluid source is mounted on the movable cart and is configured to supply cooling fluid for the hand-held laser welding wand. The filler medium supply source is mounted on the movable cart and is configured to supply a filler medium for use by the hand-held laser welding wand. The mobile support system is transportable to areas remote from a work shop environment, and provides stand-alone support for the hand-held laser welding wand. | 06-04-2009 |
William F. Hehmann, Spartanburg, SC US
| Patent application number | Description | Published |
|---|---|---|
| 20110112002 | METHODS OF CLEANING COMPONENTS HAVING INTERNAL PASSAGES - Methods are provided for cleaning a component having internal passages. A method includes contacting the component with an aqueous hydrogen fluoride solution without agitating the solution for a time period in a range of about 20 minutes to about an hour to dissolve a solid piece of blockage material blocking at least a portion of the internal passages, the aqueous hydrogen fluoride solution comprising, by volume, about 40 percent to about 60 percent hydrogen fluoride and optionally, a corrosion inhibitor, and the blockage material comprising a silicate and rinsing the component with water to remove at least a portion of the aqueous hydrogen fluoride solution from surfaces of the component defining at least a portion of the internal passages. | 05-12-2011 |