Siemens Aktiengesellschaft

Jochen Schaefer

Florian Reissner

Uwe Lenk

Andreas Philipp

Vladimir Danov

Dominik Ergin

Hans-Joachim Knaak

Alexander Tremel

Nicolas Vortmeyer

Stefan Kern

Michael Hofstetter

Friedemann Augsburger

Hermann Schwarz

Alexander Termel

A method for drying drying-stock includes separating solvent-containing drying stock within a drying unit into a base material and a solvent with the aid of a first heat transfer medium that flows through a first circuit, where after the solvent has been taken up by the first heat transfer medium, the solvent is extracted from the heat transfer medium via heat energy (condensation), where the heat energy is transferred by a heat exchanger with the aid of an evaporation unit to a second circuit and made available to a second heat transfer medium, and where the heat energy is fed in a condensation unit of the heat pump back to the first circuit with the aid of a heat pump.

Industrial plant, paper mill, control device, apparatus and method for drying drying-stock

A device controls a load flow in an alternating-voltage network. The device is distinguished by a module series circuit of two-pole switching modules that can be inserted in series into a phase line of the alternating-voltage network. Each switching module has an energy store and controllable power semiconductors that can be switched on an off and each switching module can be controlled in such a way that a switching-module voltage can be produced at the poles thereof, which switching-module voltage corresponds to a positive or negative energy-store voltage or a voltage having the value of zero. A control apparatus for controlling the switching modules is provided, which control apparatus is configured to control the switching modules in such a way that a periodic longitudinal voltage can be produced at the module series circuit. A method for controlling a load flow in an alternating-voltage network is performed by the device.

Device and method for controlling a load flow in an alternating-voltage network

A combined heat and power plant for the decentralized supply of power and of heat may include at least one prime mover for providing electrical energy while providing waste gas, at least one thermal store for storing thermal energy provided by the waste gas, and at least one high-temperature battery in which the electrical energy provided by the prime mover can be stored. The high-temperature battery can be supplied by the waste gas provided by the prime mover to keep the high-temperature battery warm.

Combined heat and power plant for the decentralized supply of electricity and heat

A field control device for a high-voltage system includes a shielding element for field control, which can be connected to an electrical conductor of the high-voltage system in an electrically conductive manner and, when connected to the conductor, at least partly delimits a weak-electric-field spatial region. A cooling body, which can be connected to the electrical conductor in a thermally conductive manner and which is disposed within the weak-field spatial region, has an outer surface area which is greater than an outer surface area of the shielding element. A high-voltage system having the field control device is also provided.

Field control device and high-voltage system having a field control device

A method and a device for discharging a thermal stratification storage tank are provided, wherein a first thermal stratification storage tank has a first temperature in a first subsection and a second temperature in a second subsection, when the working fluid of an organic Rankine cycle in the liquid aggregate state in a fluid heat transfer medium of the first thermal stratification storage tank is introduced into the first or second subsection and brought into direct material contact with the heat transfer medium, wherein at the second temperature in the second subsection the pressure in the first thermal stratification storage tank is less than or equal to the vapor pressure of the working fluid.

Method and device for discharging a stratified thermal storage tank

An electrical component may include an electrically conductive element and electrical insulation that at least partially surrounds the element and without contact. A heat pipe may be surrounded by the insulation at least at one end and may partially protrude from the insulation, wherein the part of the heat pipe protruding from the insulation protrudes closer to the central element than the insulation.

Electrical component having an electrically conductive central element

A method is disclosed for producing a heat exchanger having at least one heat transfer surface, wherein the heat is used in a thermodynamic process that uses a fluid that is condensed, expanded, evaporated, and compressed in a cycle process. The area of the heat transfer surface may be dimensioned with respect to a minimum surface area measurement of the heat transfer surface, the minimum surface area measurement being required at least for transmitting a minimum heat quantity to the fluid used with the heat exchanger in order to prevent a condensation of the fluid before, during, and after the compression process. The area of the heat transfer surface may be dimensioned based on a correlation between the molar mass of the fluid and the minimum surface area measurement of the heat transfer surface.

Growing community of inventors

Nuremberg, Germany

Jochen Schaefer