Patent application number | Description | Published |
20140084667 | APPARATUS FOR THE MILLING CUTTING OF ROCK, MINERALS OR OTHER MATERIALS - An apparatus for the milling cutting of rock, minerals or other hard materials has a tool drum which is rotatably mounted on a drum carrier about a drum axis and on the peripheral shell surface of which are disposed, in distributed arrangement, a plurality of tool carriers, which carry cutting tools and can be rotatingly driven, where their shaft axes run transversely to the drum axis. A first group of tool carriers and a second group of tool carriers are provided, where the rotational direction of the first group is counter to the rotational direction of the second group, and the shaft axes of the tool carriers of the first group and of the second group are oriented at different setting angles relative to the radial direction of the tool drum. | 03-27-2014 |
20140091612 | MOBILE MINING MACHINE AND METHOD FOR DRIVING TUNNELS, ROADWAYS OR SHAFTS, IN PARTICULAR IN HARD ROCK - A mobile mining machine includes a movable machine base frame having a boom, a swinging device for swinging the boom, and a tilting device for tilting the boom. At least one tool drum is coupled to the boom for rotation about a drum axis and rotatable tool carriers are arranged on a circumference of the tool drum. The boom has a supporting arm, on which the tool drum is mounted, and a separate swinging base, which is swingable about a swing axis in relation to the machine base frame by the swinging device. The supporting arm and the swinging base are connected to one another by a system of guide bars, by way of which a setting angle of the drum axis in relation to the swing axis is adjustable. | 04-03-2014 |
20140232170 | APPARATUS FOR THE MILLING CUTTING OF ROCK, MINERALS OR OTHER MATERIALS - A mining apparatus includes two tool drums, which are arranged rotatably side by side in twin arrangement on a drum carrier and which are respectively provided with a plurality of tool carriers which support cutting tools arranged over the periphery of the tool drums and which can be rotatingly driven and the shaft axes of which run substantially transversely to the drum axle. The shaft axes of the tool carriers of the first tool drum span a first conical surface about the drum axis and the shaft axes of the tool carriers of the second tool drum span a second conical surface about the drum axis, where the conical surfaces are open to opposite sides and are preferably oriented such that they are mutually inclined in an O-arrangement. | 08-21-2014 |
Patent application number | Description | Published |
20080247264 | Apparatus and Method For Moving a Liquid by Means of a Piezoelectric Transducer - An apparatus having a device for moving a liquid comprises a piezoacoustic resonator element ( | 10-09-2008 |
20080298427 | Device Comprising a Piezoelectric Resonator Element, Method for Producing the Same and Method for Outputting a Signal Depending on a Resonant Frequency - The invention relates to a device ( | 12-04-2008 |
20100242578 | Method and Device for the Production of a Polycrystalline Ceramic Film on a Substrate Capacitive Structure Comprising Said Ceramic Film and Use of Said Capacitive Structure - In a method for production of a polycrystalline ceramic film on a substrate: a) the substrate is prepared with the substrate surface and preparation of at least one source for the ceramic particles of the ceramic film and b) a particle stream of the ceramic particles is generated from the source of ceramic particles in the direction of the substrate surface on the substrate, with deposition of the ceramic particles on the substrate surface on the substrate with formation of the ceramic film. At least one screen is arranged within the gap, for adjusting an average incidence angle of the ceramic particles relative to a plane normal of the substrate surface, such that the ceramic particles are deposited on the substrate surface at a preferred direction and a relative position of the substrate surface and the screen is altered whilst the gap remains essentially the same. | 09-30-2010 |
20110089786 | ARRANGEMENT OF A PIEZOACOUSTIC RESONATOR ON AN ACOUSTIC MIRROR OF A SUBSTRATE, METHOD FOR PRODUCING THE ARRANGEMENT AND USE OF THE ARRANGEMENT - In an arrangement of at least one piezoacoustic resonator on a substrate surface, the resonator has an piezoelectric layer, an electrode and a further electrode arranged such that activation of the electrodes leads to a resonance oscillation, the substrate surface is formed by an acoustic mirror integrated in the substrate for acoustically insulating substrate and resonator, and with a resonance frequency evaluation device being connected to the electrodes by tracks being routed through a mirror opening. The acoustic mirror has a Bragg reflector having λ/4-thick layers of different acoustic impedance. The topmost layer is made of silicon dioxide acting as an insulation layer in the mirror opening for electrically insulating the conductor track and the electrically conductive Bragg reflector layers. The arrangement is used as a physical transducer of a device for detecting a substance of a fluid, in particular of a fluid in the form of a liquid (biosensor). | 04-21-2011 |
20110248700 | DEVICE AND METHOD FOR DETECTING A SUBSTANCE USING A THIN FILM RESONATOR (FBAR) HAVING AN INSULATING LAYER - A device for detecting at least one substance of a fluid, has a piezoacoustic thin film resonator with a piezoelectric layer on which electrode layers are arranged, and an adsorption surface for adsorbing the fluid substance, wherein the piezoelectric and electrode layers and the adsorption surface are designed and arranged on each other such that by electrically activating the electrode layers, an excitation alternating field can be coupled into the piezoelectric layer. The thin film resonator can be excited to a resonance oscillation frequency f | 10-13-2011 |
20120227474 | DEVICE COMPRISING A RESONATOR FOR DETECTING AT LEAST ONE SUBSTANCE OF A FLUID, METHOD FOR PRODUCING SAID DEVICE AND METHOD FOR DETECTING AT LEAST ONE SUBSTANCE OF ANOTHER FLUID - A device for detecting a substance of a fluid or the concentration of a substance of a fluid may include a carrier to which a resonator is applied, to which a chemically sensitive material for adsorption of a substance to be detected is applied. The adsorption of the substance increases the mass of the resonator. The concentration of the substance in the liquid can be determined by measuring the frequency change of the resonator. | 09-13-2012 |
20130260026 | Method For Manufacturing A Thin Film On A Substrate - A method for maufacturing a thin film on a substrate may include: coupling the substrate to a pretensioning facility such that the substrate with the pretensioning facility is isotropically extended in the surface, wherein the substrate is held elastically under pressure with a predetermined pretension; depositing a thin film material on the substrate with a deposition method, in which by applying heat to the thin film material, this is deposited on the substrate so that a thin film with the thin film material is embodied on the substrate; decoupling the substrate from the pretensioning facility; cooling the thin film accompanied by a shrinkage, wherein the predetermined pretension is at least high enough that the appearance of a tensile stress in the thin film is prevented in the case of shrinkage. | 10-03-2013 |
20150136586 | Method for Producing a Polycrystalline Ceramic Film - The invention relates to a method for producing a polycrystalline ceramic film on a surface ( | 05-21-2015 |
Patent application number | Description | Published |
20100264311 | DEVICE WITH A SANDWICH STRUCTURE FOR DETECTING THERMAL RADIATION, AND METHOD FOR THE PRODUCTION THEREOF - In a device for the detection of thermal radiation which and a method for production of such a device, a stack is formed with at least one detector support having at least one detector element for the conversion of the thermal radiation into an electric signal, at least one circuit support with at least one read-out circuit for reading out the electrical signal and at least one cover to shield the detector element, wherein the detector support and the cover are so arranged with respect to one another that a first stack cavity bounded by the detector support and the cover is provided between the detector element of the detector support and the cover and that the circuit support and the detector support are so arranged with respect to one another that at least one second stack cavity bounded by the circuit support and the detector support is provided between detector support and the circuit support and that the first hollow stack support and/or the second stack cavity is evacuated or can be evacuated. Preferably, the detector support, circuit support and cover are made of silicon. The manufacturing operation takes place at wafer-level. Functionalized silicon-substrates are stacked upon one another, firmly bonded together and subsequently sub-divided. Preferably, the detector elements are pyro-electric detector elements. The device finds application in motion detector, presence reporters and thermal-image cameras. | 10-21-2010 |
20110006211 | DEVICE HAVING A MEMBRANE STRUCTURE FOR DETECTING THERMAL RADIATION, AND METHOD FOR PRODUCTION THEREOF - In a device for detecting thermal radiation, at least one membrane is provided on which at least one thermal detector element is mounted for the conversion of the thermal radiation into an electric signal and at least one circuit support for carrying the membrane and for carrying at least one readout circuit for reading out the electrical signal, the detector element and the readout circuit being connected together electrically by an electric contact which passes through the membrane. In addition, a method of producing the device with the following method steps is provided: a) provision of the membrane with the detector element and of at least one electrical through-connection and provision of the circuit support and b) bringing together the membrane and the circuit support in such a manner that the detector element and the readout circuit are connected together electrically by an electrical contact passing through the membrane. Production activity is preferably carried out at wafer level: functionalised silicon substrates are stacked upon one another, firmly bonded to one another and then divided into individual elements. Preferably, the detector elements comprise of pyro-electrical detector elements. The device finds application in motion detectors, presence detectors and in thermal imaging cameras. | 01-13-2011 |
20110049369 | Device to detect thermal radiation with high resolution method to manufacture and use the device - A device to detect thermal radiation has a membrane and at least two detector elements that are respectively set up to transduce thermal radiation into an electrical signal and are mounted situated next to one another on the membrane, wherein at least one heat dissipation path is provided on the side of the membrane facing towards the detector elements and/or on the side of the membrane facing away from the detector elements, which heat dissipation path has a higher heat conductivity than the membrane and is connected with the detector elements in a heat-conductive manner via the membrane so that heat can be discharged from the detector elements with the heat dissipation path, whereby the response time of the detector elements is short; and wherein at least one heat barrier that has a lower heat conductivity than the membrane and extends between the detector elements is provided integrated into the membrane, such that a heat conduction in the membrane from the one detector element to the other detector element is prevented by the heat barrier; whereby the crosstalk of the detector elements is low. | 03-03-2011 |
20150091007 | METHOD FOR PRODUCING A MICROSYSTEM HAVING A THIN FILM MADE OF LEAD ZIRCONATE TITANATE - A method for producing a micro system, said method comprising: providing a substrate ( | 04-02-2015 |
Patent application number | Description | Published |
20110205011 | RAPID DISCONNECT DEVICE - The invention relates to a rapid disconnect device for surge arrestors, in particular plate-type or flat varistors, comprising at least one element that is maintained under a mechanical stress, and a disconnection point for disconnecting the surge arrestor from the respective power grid upon thermal overload, wherein the disconnection point comprises contacts, the positions of which vary relative to one another, wherein one of said contacts is designed to be fixed. According to the invention, the contacts of varying positions relative to one another are electrically connected without the use of solder in such a way that incident current forces act primarily in the contact force direction and such that the moving contacts of the positionally-variable contacts of a lost element located at the surge arrestor and thermally detachable therefrom can be moved from a closed position to the disconnected position. | 08-25-2011 |
20110211287 | SURGE ARRESTOR COMPRISING AT LEAST ONE ARRESTOR ELEMENT - The invention relates to a surge arrestor comprising at least one arrestor element, for example a varistor, and a disconnecting device for disconnecting the arrestor element or elements from the grid, wherein the disconnecting device comprises a thermal disconnect point that is incorporated into the electrical connection path within the arrestor, wherein a moving conductor section or a moving conductive bridge is connected to the arrestor element by way of the disconnect point on one side and the conductor section or the bridge is connected to a first external electrical connection of the arrestor on the other side, and comprises a means for generating a pre-stressing force, such as a spring, wherein the force vector associated therewith acts on the conductor section or the bridge in the disconnect direction directly or indirectly by way of a moving disconnection bracket, wherein further a conducting element is disposed in or at the end of the path of motion of the conductor section or of the bridge, said conducting element coming into contact with the conductor section or the bridge when the disconnecting device is triggered and being connected to a second external electrical connection for forming a short-circuiter. According to the invention, a moving insulation part is provided that penetrates into the path of motion of the conductor section or of the bridge directly prior to or upon reaching the short circuit state in order to prevent or suppress a re-ignition of the arc between the conducting element and the disconnect point. | 09-01-2011 |
20130278129 | SPARK GAP HAVING A PLURALITY OF SERIES-CONNECTED INDIVIDUAL SPARK GAPS, WHICH ARE LOCATED IN A STACK ARRANGEMENT - The invention relates to a spark gap comprising a number of series-connected individual spark gaps which are placed in a stack arrangement, which are spaced apart from each other by insulating material discs and are provided with a spring contact, the individual spark gaps including ring-shaped or disc-shaped electrodes, and further comprising control elements for influencing the voltage distribution over the stack arrangement. According to the invention the ring-shaped or disc-shaped electrodes required to form one of the respective individual spark gaps are each inserted into an insulating body and held by same in a centered manner. The respective insulating material discs are located between and fixed by the insulating bodies. A recess is provided inside the insulating body to receive and center the electrodes, whose shape is complementary relative to the contour of the respective electrode, wherein the recess comprises on the inner circumference at least partially elastic, resilient centering projections or centering noses. | 10-24-2013 |
20140160614 | ARRANGEMENT FOR IGNITING SPARK GAPS - The invention relates to an arrangement for igniting spark gaps with a trigger electrode T which is located on or in one of the main electrodes H | 06-12-2014 |