Patent application number | Description | Published |
20130302106 | LOAD-INDICATING WASHER - A direct tension indicator ( | 11-14-2013 |
20130303293 | METHOD FOR PRODUCING TORQUE-LIMITING SECURING DEVICES - A method for the production of torque-limited fastening devices, which each have a first head element with a contact for a fastening tool, and a second head element that is joined to the first head element via a welded joint that shears off at a predefined limit torque, said method providing a plurality of first head elements and second head elements having the same geometry, and in each case, a first head element and a second head element are welded together in a welding process that creates the welded joint. At least two welding processes are carried out employing at least one different welding parameter, so that different limit torques can be obtained for parts having the same geometry. A fastening device on a concrete anchor. | 11-14-2013 |
20150135511 | EXPANSION BOLT - An expansion bolt including an anchor bolt having an expansion section, and further including an expansion sleeve which surrounds the anchor bolt and which can be expanded by retracting the expansion section, and a spring element arranged on the anchor bolt. The spring element can be tensioned by inserting the anchor bolt into a bore hole and can retract the expansion section of the anchor bolt into the expansion sleeve when it is released. An indicator element indicates when a rated tension of the spring element is reached. | 05-21-2015 |
20150343618 | Torsion Bar - A torsion bar for limiting torque, including a shank with a first end section and a second end section situated opposite from it in the lengthwise direction, also including a first coupler to non-rotatably join the shank to the driven spindle of an impact driver, whereby the first coupler is located on the first end section of the shank, and including a second coupler to non-rotatably join the shank to a threaded element, especially the nut of an expansion anchor, whereby the second coupler is arranged on the second end section of the shank, whereby the shank has at least one tapered torsion section in which the shank has a smaller cross section than in at least one of the end sections, characterized in that the shank has a plastic encapsulation, at least in the tapered torsion section. | 12-03-2015 |
Patent application number | Description | Published |
20120090130 | SUCTION CLEANING APPARATUS - A suction cleaning apparatus comprising a dirt collection container which has a suction inlet and is fluidly connected to at least one suction unit via at least one filter and at least one suction channel is provided. The suction cleaning apparatus further has at least one external air inlet which opens out into the suction channel downstream of the at least one filter and which is selectively closable and openable by means of a closing body. In order to reduce the installation space of the closing body required for proper filter cleaning, the suction channel has an external air inlet wall with at least one external air inlet. The closing body, sliding along the outer side of the external air inlet wall, is reciprocatingly movable between a closed position closing the at least one external air inlet and an open position opening the at least one external air inlet. | 04-19-2012 |
20120090640 | METHOD FOR CLEANING TWO FILTERS OF A SUCTION DEVICE FOR CLEANING PURPOSES AND SUCTION DEVICE FOR PERFORMING THE METHOD - A method for cleaning first and second filters of a suction device for cleaning purposes is provided. The suction device has a dirt collection container with a suction inlet. The dirt collection container is subjected to negative pressure via first and second suction lines, respectively, following the first and second filters. First and second closing valves close first and second external air inlets, respectively, into the first and second suction lines. For cleaning the filters, the closing valves are opened, subjecting the filters to external air on the clean space side. The dirt collection container is subjected to negative pressure via the first suction line and first filter by a first suction unit and via the second suction line and second filter by a second suction unit. The suction lines are sealed off relative to each other on the clean space side at least during the cleaning of the filters. | 04-19-2012 |
20160106288 | SUCTION DEVICE AND METHOD FOR OPERATING A SUCTION DEVICE - A suction device, including a suction unit, a suction line arrangement that is fluidically connected to the suction unit, a fluid supplying arrangement, a discharge arrangement for fluid, which is fluidically connected to the fluid supplying arrangement, and a guide element that is couplable to the discharge arrangement and the suction line arrangement and that guides fluid from the discharge arrangement into the suction line arrangement, for cleaning the suction line arrangement. | 04-21-2016 |
Patent application number | Description | Published |
20090205158 | Vacuum cleaner - The invention relates to a vacuum cleaner with a dirt collection tank which has a suction inlet and is in flow connection with at least one suction unit via at least one filter and at least one extraction line, and with at least one external air inlet which opens into the extraction line downstream of the filter and can be closed by means of at least one closing valve, wherein the closing valve has a movable valve member which is acted upon by a spring-elastic restoring device with a closing force and in the closing position, in addition, by a magnetic holding device with a magnetic holding force. In order to develop the vacuum cleaner further in such a manner that it makes a particularly effective cleaning of the filter possible, it is suggested in accordance with the invention that the magnetic holding device have an electromagnet which can be acted upon with an exciting current for the purpose of closing the closing valve and that the valve member can be moved continuously back into the closing position via the open position, proceeding from the closing position, when the exciting current is interrupted, wherein the switch-off time of the exciting current is adapted to the movement time of the valve member. | 08-20-2009 |
20090205159 | Vacuum cleaner - The invention relates to a vacuum cleaner with a dirt collection tank which has a suction inlet and is in flow connection with at least one suction unit via at least one filter and at least one extraction line, and with at least one external air inlet which opens into the extraction line downstream of the at least one filter and can be closed by means of at least one closing valve, wherein the at least one closing valve has a valve member which can be moved back and forth between a closing position and an open position, wherein it is acted upon permanently by a closing spring with a closing force and in the closing position, in addition, by a magnetic holding device with a magnetic holding force. In order to develop the vacuum cleaner further in such a manner that it makes a particularly effective cleaning of the at least one filter possible, it is suggested in accordance with the invention that the magnetic holding device comprise an electromagnet with a magnetic core and a coil which can be acted upon with current for the purpose of closing the closing valve, wherein at least one electrical component, which takes up at least some of the energy stored in the coil when the current acting on the coil ceases, is connected in parallel to the coil. | 08-20-2009 |
20090205491 | Method for cleaning the filters of a vacuum cleaner and vacuum cleaner for carrying out the method - The invention relates to a method for cleaning the filters of a vacuum cleaner comprising a dirt collecting container, which has a suction inlet and is in flow connection with at least one suction unit via at least one filter and at least one suction extraction line, and comprising at least one external air inlet which opens into the suction extraction line downstream of the filter and can be closed by means of a closing valve, wherein the closing valve has a movable valve body which is acted upon by a closing spring with a closing force and, in the closed position, additionally by a magnetic holder with a magnetic holding force, wherein, in order to clean the filter, at least one closing valve is opened and the side of the filter that is oriented away from the dirt collecting container is impinged upon by external air. To develop the method in such a way that it makes particularly effective cleaning of the filter possible, it is proposed according to the invention that, after the suction unit is switched off, a closing valve is opened at least once and closed again and the side of the filter that is oriented away from the dirt collecting container is impinged upon at least once by external air. A vacuum cleaner for carrying out the method is also proposed. | 08-20-2009 |
20090205499 | Method for cleaning the filters of a vacuum cleaner and vacuum cleaner for carrying out the method - The invention relates to a method for cleaning the filters of a vacuum cleaner comprising a dirt collecting container, which has a suction inlet and is in flow connection with at least one suction unit via at least one filter and at least one suction extraction line, and comprising at least one external air inlet which opens into the suction extraction line downstream of the filter and can be closed by a closing valve, wherein the closing valve has a movable valve body which is acted upon by a closing spring with a closing force, which valve body lies against a valve seat in a closed position and is at a distance from the valve seat in an open position, wherein, in order to clean the filter, at least one closing valve is opened and the side of the filter that is oriented away from the dirt collecting container is impinged upon by external air. To develop the method in such a way that all the filters present can be flowed through by suction air during suction operation, but for the user there does not have to be any noticeable interruption in suction operation for filter cleaning, it is proposed according to the invention that the valve body is acted upon, irrespective of its position, by the closing force of the closing spring and, in a position at a distance from the valve seat, additionally acted upon by the repulsion force of a resilient stop element. | 08-20-2009 |
Patent application number | Description | Published |
20100119921 | Device for Supplying Power to a Motor Vehicle - A power supply device for a motor vehicle, in particular a passenger vehicle or a motorcycle, includes a plurality of electrochemical storage cells and/or double-layer capacitors. The electrochemical storage cells and/or double-layer capacitors have a casing surface and, in an axial direction, a base surface and a cover surface which are connected by the casing surface, and each include electrodes. Adjacent to the casing surface of at least one of the storage cells and/or double-layer capacitors, a heat-conducting cooling apparatus is disposed which, although electrically insulated from the at least one storage cell and/or double-layer capacitor, is in thermal contact with a first circumferential section of the casing surface and dissipates the heat energy introduced by the casing surfaces of the at least one storage cell and/or the double-layer capacitor. | 05-13-2010 |
20110267778 | Apparatus for Supplying Voltage to a Motor Vehicle Having Optimized Heat Dissipation - A voltage supply apparatus for a motor vehicle, especially a passenger car, truck or a motorcycle, includes a storage cell arrangement having one or more electrochemical storage cells and/or double layer capacitors that are mounted on top of each other. The storage cell arrangement is releasably connected in a form-fitting way to a heat-conducting cooling device that removes heat from the storage cells and/or double layer capacitors such that at least some of the storage cells and/or double layer capacitors of a respective storage cell group can each be thermally connected with the heat-conducting cooling device. | 11-03-2011 |
20120169195 | Closure Device for a Housing, Sealed Off From the Environment, and a Housing - A closure device provides an emergency degassing function, pressure equalization and condensate removal for a housing sealed off from the environment. The closure device has a frame, fastenable to a housing opening and having a frame opening, as well as a closure element, for closing the housing opening. The closure element is configured or arranged relative to the frame such that a path is formed in or through the closure element in a first closure position by the gravitational force acting on the closure element. The path enables an exchange of air between the housing interior and the environment as well as a discharge of condensation water. A second closure position, in which the path is sealed closed is producable by water impinging on the closure element from the environment. If a specified overpressure is exceeded, the closure element is detachable from the frame opening. | 07-05-2012 |
Patent application number | Description | Published |
20110122907 | Edge Emitting Semiconductor Laser Having a Phase Structure - An edge emitting semiconductor laser includes a semiconductor body, which has a waveguide region. The waveguide region has an active layer for generating laser radiation. The active layer is arranged between a first waveguide layer and a second waveguide layer. The waveguide region is arranged between a first cladding layer and a second cladding layer. The semiconductor body has a main region and at least one phase structure region in which is formed a phase structure for the selection of lateral modes of the laser radiation emitted by the active layer. The phase structure region is arranged outside the waveguide region or formed by a region in which a dopant is introduced or an intermixing structure is produced. | 05-26-2011 |
20110317732 | Edge Emitting Semiconductor Laser - An edge emitting semiconductor laser includes a semiconductor body having a wave guide area. The wave guide area comprises a lower cover layer, a lower wave guide layer, an active layer for generating laser radiation, an upper wave guide layer and an upper cover layer. The wave guide area also includes at least one structured laser radiation scattering area in which a lateral base laser radiation mode experiences less scattering losses than the radiation of higher laser modes. | 12-29-2011 |
20160047951 | ELECTROMAGNETIC RADIATION-SCATTERING ELEMENT AND METHOD OF MANUFACTURING SAME - The invention relates to an electromagnetic optical element which scatters radiation in a diffuse manner. Such optical elements can be used in nearly all projection applications including front and rear projection, display applications, (cinema) screens and similar. On the surface of a claimed optical element, a surface profile is provided, the surface structure of which is non-repeating and irregular. Elevations are formed that have a height by means of which a phase shift Δφ may be achieved that is greater than two and a half times the longest wavelength used, and the elevations have a lateral extension in one plane respectively, in all axial directions, that is greater than five times the longest wavelength used. The individual elevations have a continuous form in the three spatial axial directions and said elevations are devoid of edges, ledges and fissures. | 02-18-2016 |
Patent application number | Description | Published |
20090191073 | MAGNETIC PUMPING MACHINES - Magnetic pumping systems and methods of pumping using such systems are disclosed. In one embodiment, a system for pumping fluid comprises: a substantially cylinder-shaped pump housing ( | 07-30-2009 |
20090282805 | SYSTEMS INVOLVING FIBER OPTIC IGNITERS - A gas turbine engine system comprising, a gas turbine engine including a combustion area, a laser, a fuel nozzle including a cavity operative to transmit a fuel into the combustion area, and an optical fiber engaging the cavity, operative to transmit light emitted from the laser to the combustion area, wherein the light is operative to ignite the fuel in the combustion area. | 11-19-2009 |
20100282456 | FINNED TUBE HEAT EXCHANGER - A heat exchanger comprises a tube and fins extending from an outer surface of the tube. The fins comprise first and second sets of fins with the first set of fins oriented in a first direction with respect to an axial direction of the tube and the second set of fins oriented in a second direction with respect to the axial direction of the tube to expose at least a portion of the first and second sets of fins to a free stream. | 11-11-2010 |
20110289941 | BRAYTON CYCLE REGASIFICATION OF LIQUIEFIED NATURAL GAS - A power plant including an apparatus for regasification of liquefied natural gas (LNG) is provided. The apparatus includes a compressor configured to pressurize a working fluid and a heat recovery system configured to provide heat to a working fluid. A turbine is configured to generate work utilizing the heated working fluid. One or more heat exchangers are configured to transfer heat from the working fluid to a first stage liquefied natural gas at a first pressure and at least one of a second stage liquefied natural gas at a second pressure, and a compressed working fluid. | 12-01-2011 |
20120000178 | SYSTEMS INVOLVING FIBER OPTIC IGNITERS - A gas turbine engine system comprising, a gas turbine engine including a combustion area, a laser, a fuel nozzle including a cavity operative to transmit a fuel into the combustion area, and an optical fiber engaging the cavity, operative to transmit light emitted from the laser to the combustion area, wherein the light is operative to ignite the fuel in the combustion area. | 01-05-2012 |
20120111552 | FINNED TUBE HEAT EXCHANGER - A heat exchanger comprises a tube and fins extending from an outer surface of the tube in a helical path. The fins comprise serrated sections and solid sections that are disposed in a predetermined arrangement along the helical path. | 05-10-2012 |
Patent application number | Description | Published |
20110241906 | Motor Vehicle - A motor vehicle includes a plurality of electronic detection devices for detecting and making available vehicle-related information items, wherein the vehicle-related information items relate to various areas or components outside or inside the motor vehicle; a display unit for displaying the vehicle-related information items; an operator control device for detecting an operator control action; and a control unit. The control unit is configured and coupled with the detection devices, the display unit and the operator control device such that in a first display operating state, first vehicle-related information items and a first graphics object, which represents the motor vehicle, are displayed. In a second display operating state, second vehicle-related information items and a second graphics object, which represents the motor vehicle, are displayed. The first graphics object, which represents the motor vehicle, is larger than the second. Switching between the first and the second display operating states is brought about by way of an operator control action. | 10-06-2011 |
20110251784 | Motor Vehicle Operating System - A motor vehicle operating system includes a navigation system for providing road map information, a vehicle monitoring system for providing vehicle information, a display device for displaying road map information and vehicle information, an operating device for detecting an operating action and a control device. The control device is set up and coupled with the navigation system, the vehicle monitoring system, the display device and the operating device such that, in a zoom operating condition, in at least one predefined operating situation or zoom situation, particularly in the case of the adjustment of the zoom factor to a limit value. A switching-over takes place from the zoom operating condition to a monitoring operating condition by way of an additional zoom operating action. | 10-13-2011 |
20150061244 | METHOD FOR TUNING THE SUSPENSION OF A MOTOR VEHICLE, AND SUSPENSION STRUT - The invention relates to a method for tuning the suspension of a motor vehicle. A linear motor ( | 03-05-2015 |
Patent application number | Description | Published |
20090235763 | Chuck-integrated force-measuring system - A chuck-integrated force-measuring system for determining cutting forces at the cutting tool tip of a rotating tool, for example a drill or milling cutter having at least one measuring sensor, as well as a measured-value processing station. The at least one measuring sensor is designed as a strain sensor which is placeable on a tool holder of a machine tool. A measuring hub assembly is also provided which is insertable as an adapter piece into the chuck of the machine tool and is designed with its own chuck for receiving the tool, the at least one measuring sensor being integrated in the adapter piece. | 09-24-2009 |
20100241265 | METHOD FOR MONITORING A PRODUCTION PROCESS - A method for monitoring a production process with regard to quality is disclosed. The method includes: a) breaking down the production process into a sequence of individual steps, defined by a sequence of control commands for a production program for carrying out the production process on a machine tool; b) generating at least one signal template per individual step of the production process from the control commands for the individual steps, each signal template corresponding to a theoretical signal curve for a parameter which may be measured upon executing the production process; c) measurement of a signal curve for at least one parameter per individual step during the execution; and d) comparison of the or each measured signal curve with the respective arithmetically generated signal template, wherein a qualitatively poor production process is determined if the measured signal curve deviates from the signal template by more than a given tolerance. | 09-23-2010 |
20110238200 | METHOD FOR DETERMING THE MACHINING QUALITY OF COMPONENTS, PARTICULARLY FOR METAL CUTTING BY NC MACHINES - The present invention relates to a method for determining a selected machining quality of components in a manufacturing process, particularly during metal cutting, having at least the following method steps:
| 09-29-2011 |