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Michael Duerr
Michael Duerr, Horb DE
| Patent application number | Description | Published |
|---|---|---|
| 20100202900 | HYDROSTATIC MACHINE HAVING A CONTROL DEVICE HAVING A RETURN ELEMENT FOR CONTROLLING A REGULATING VALVE - The invention relates to a hydrostatic machine having an actuating device for adjusting a displacement volume of the hydrostatic machine, wherein the actuating device has a return element ( | 08-12-2010 |
| 20110041681 | POSITIVE-DISPLACEMENT MACHINE - A hydraulic positive-displacement machine includes at least two radially or axially spaced-apart groups of cylinder-piston units. The cylinders of the primary group can be made to communicate fluidically with cylinders of the secondary group via intermediate valves. At least two intermediate valves can be switched independently of one another. | 02-24-2011 |
| 20110083553 | Hydraulic machine - A hydraulic machine having a variable intake volume/pump capacity includes working spaces ( | 04-14-2011 |
Michael Duerr, Horb-Betra DE
| Patent application number | Description | Published |
|---|---|---|
| 20100322789 | AXIAL PISTON ENGINE HAVING A HOUSING WITH A RADIALLY WIDENED INTERIOR PORTION - The invention relates to a hydrostatic axial piston engine ( | 12-23-2010 |
Michael Duerr, Mannheim DE
| Patent application number | Description | Published |
|---|---|---|
| 20080245410 | PHOTOVOLTAIC CELL - The present invention relates to a photovoltaic cell, a method of manufacturing such photovoltaic cell, and to uses of such cell. | 10-09-2008 |
| 20100024877 | METHOD OF PREPARING A POROUS SEMICONDUCTOR FILM ON A SUBSTRATE - A method of preparing a porous semiconductor film on a substrate comprising the steps: a) preparing, on a first substrate, an adhesion layer capable of providing electrical and mechanical contact between a porous semiconductor layer attached to said adhesion layer and said first substrate, b) applying on a second substrate that is capable of withstanding temperatures >=300° C. a spacer layer and applying a porous semiconductor layer on said spacer layer, c) applying an assisting layer on said porous semiconductor layer, said assisting layer providing support for said porous semiconductor layer, d) removing said spacer layer e) transferring said porous semiconductor layer supported by said assisting layer onto said ashesion layer, f) pressing said porous semiconductor layer onto said adhesion layer, g) removing said assisting layer from said porous semiconductor layer, thereby obtaining said first substrate having as a porous semiconductor film said porous semiconductor layer attached thereon by way of said adhesion layer. | 02-04-2010 |
Michael Duerr, Gechingen DE
| Patent application number | Description | Published |
|---|---|---|
| 20090090881 | ELECTROMAGNETIC PRESSURE VALVE - An electromagnetic pressure regulating valve has a valve portion for conducting and regulating the pressure of an operating medium, such as oil, a magnet portion for actuating the valve portion for regulating the pressure of the operating medium and having a magnet housing, in which a magnet core is located that as needed exerts magnetic force on an armature, located in the magnet housing, a spring with a spring force generating a pressure activation threshold to be overcome upon regulation and located between the armature and an adjusting ball that is located in a pole piece of the magnet housing, and the spring has regions of different diameter. | 04-09-2009 |
Michael Duerr, Stuttgart DE
| Patent application number | Description | Published |
|---|---|---|
| 20090050205 | METHOD OF OPTIMIZING THE BAND EDGE POSITIONS OF THE CONDUCTION BAND AND THE VALENCE BAND OF A SEMICONDUCTOR MATERIAL FOR USE IN PHOTOACTIVE DEVICES - The present invention relates to a semiconductor compound having the general formula A | 02-26-2009 |
Michael Duerr, Esslingen DE
| Patent application number | Description | Published |
|---|---|---|
| 20080283119 | Method of Producing a Porous Semiconductor Film on a Substrate - The invention relates to a method of producing a porous semiconductor film and to a suspension of semiconductor particles. It further relates to a porous semiconductor film produced by the method, and to an electronic device, in particular a solar cell comprising said semiconductor film. | 11-20-2008 |