Patent application number | Description | Published |
20090028480 | SLIDE BEARING BUSH - A slide bearing bush with an integrated sealing element permits a relatively simple and economical production of the slide bearing bush. The slide bearing bush includes a bush part and a cover part. The bush part and/or the cover part is provided with an annular groove formed for holding the sealing element, and the slide bearing bush comprised of the bush part and the cover part possesses a cylindrical outside contour. | 01-29-2009 |
20130034321 | SPLIT BEARING CAGE FOR ROLLING ELEMENT BEARING - A bearing cage for a rolling-element bearing includes first and second axially spaced-apart side rings extending in a circumferential direction, each side ring being split in the circumferential direction along a line of separation, thereby defining mutually-opposing bordering surfaces on first and second bearing cage sections. A first projection and a corresponding first opening are disposed on or in the mutually-opposing bordering surfaces of the first and second bearing cage sections. The first projection is insertable into the first opening in the circumferential direction to fix the bearing cage sections in at least a first direction. A second projection and a corresponding second opening are disposed on or in radially-extending, mutually-opposing bordering surfaces of the first projection and first opening. The second projection and second opening fix the bearing cage sections to each other in at least two additional directions, which are each perpendicular to the first direction. | 02-07-2013 |
20130188900 | BEARING CAGE SEGMENT, BEARING CAGE AND METHOD FOR MANUFACTURING THE SAME - A bearing cage for a rolling element bearing includes a plurality of individual bearing cage segments configured to respectively accommodate rolling elements in rolling element pockets formed by the bearing cage segments. Each bearing cage segment includes a first coupling device disposed on a first axial end thereof. A first lamellar support ring defines first and second ring halves that are connected to each other, are axially adjacent to each other are biased towards each other. The first ring half extends through the respective first coupling devices of the plurality of bearing cage segments and the second ring half is disposed on an axially-inner side or an axially-outer side of the first coupling devices such that the first coupling devices are clamped between the first and second ring halves. | 07-25-2013 |
20150043863 | BEARING CAGE, BEARING CAGE SEGMENT, AND METHOD FOR ASSEMBLING THE BEARING CAGE - A bearing cage for a rolling-element bearing includes a plurality of bearing cage segments configured to receive rolling elements in rolling-element pockets. Also included is at least one assembly wire, and each of the cage segments includes a coupling arrangement configured to thread the bearing cage segment onto the at least one assembly wire such that at least one rolling-element pocket is formed by two of the plurality of bearing cage segments adjacent in the circumferential direction that are threaded on the assembly wire. The bearing cage also includes an assembly device configured to convey an end of the assembly wire from an installation position to an axially far-side coupling arrangement of a bearing cage segment, through the axially far-side coupling arrangement of all bearing cage segments located on a bearing inner ring, and back again towards the installation position. | 02-12-2015 |
20150345550 | BEARING ASSEMBLY - A non-locating bearing assembly is configured to rotatably support a shaft relative to a housing while permitting relative axial displacement of the shaft relative to the housing. The bearing assembly includes a bearing having inner and outer rings and that is configured for transmitting radial and axial forces, and a bearing support attachable to the housing and including a support section having a partially cylindrical seat surface for receiving one of the inner and outer bearing rings and forming a sliding seat therefor. The sliding seat allows a relative axial displacement between the support section and one of the inner and outer bearing rings. A spring is disposed on or in the bearing support for generating a force in the axial direction between the bearing support and the one of the inner and outer bearing rings, and the spring element is formed from a segment of the bearing support. | 12-03-2015 |
Patent application number | Description | Published |
20120032586 | MERCURY-VAPOR DISCHARGE LAMP FOR HOMOGENEOUS, PLANAR IRRADIATION - Known mercury-vapor discharge lamps for planar irradiation are provided with a lamp bulb made of quartz glass, which encloses a closed discharge space having a non-linear gas-discharge channel. In order to provide a structurally simple lamp, which also guarantees a highest possible homogeneity of the UV irradiation, even for a small distance to the surface to be treated, the lamp bulb is formed as a quartz-glass chamber defined by straight walls and having bottom, top, and side walls and is divided into sub-chambers by several separating webs made of quartz glass and projecting from the bottom wall to the top wall. These sub-chambers include a front-most sub-chamber and a rear-most sub-chamber and form in series interconnection the non-linear gas-discharge channel. The separating webs extend alternately from one side wall up to close to the opposite side wall, while leaving open a gap connecting adjacent sub-chambers in a fluid-communicating manner. One electrode is allocated to the front-most sub-chamber and the other electrode is allocated to the rear-most sub-chamber. | 02-09-2012 |
20140265825 | MERCURY VAPOR DISCHARGE LAMP AND METHOD FOR ITS MANUFACTURE - Conventional mercury vapor discharge lamps include a closed emitter tube made of quartz glass having an emitter tube end, a gas-tight seal in the region of the emitter tube end, and two electrodes arranged inside the emitter tube for generating a discharge in a discharge zone between the electrodes, as well as an amalgam reservoir. In order to provide a mercury vapor discharge lamp having an amalgam reservoir, which can be operated at high efficiency at variable irradiation power and also is easy and inexpensive to manufacture, an annular gap is formed in the region of the emitter tube end between a quartz glass tube and the emitter tube, and the amalgam reservoir is arranged inside the annular gap. | 09-18-2014 |
Patent application number | Description | Published |
20120002450 | BIDIRECTIONAL INVERTER FOR CONVERSION BETWEEN A DIRECT CURRENT SOURCE AND AN ALTERNATING CURRENT GRID - A bidirectional inverter is disclosed, the inverter including DC terminals and being connectable to a grid via grid AC terminals. The inverter includes a first subinverter and a second subinverter, both subinverters being connected in parallel to the DC terminals, and being connected in parallel to the grid AC terminals by subinverter AC terminals. Each subinverter includes a full bridge and a switchable freewheel path, both being configured to drive current between the grid AC terminals in a driving direction, and configured to block a current between the grid AC terminals in a blocking direction opposite the driving direction. The driving direction of the first subinverter is the blocking direction of the second subinverter. | 01-05-2012 |
20140112025 | Capacitor Arrangement for an Intermediate Circuit of a Volatage Converter - The disclosure relates to a capacitor arrangement for an input circuit or intermediate circuit of a voltage transformer comprising at least two capacitors and two connection nodes. Switching elements are provided, by means of which the at least two capacitors are connected in parallel with each other in a first operating state and are connected in series with each other in a second operating state. The disclosure also relates to a voltage transformer arrangement comprising such a capacitor arrangement and an operating method for a capacitor arrangement. | 04-24-2014 |
20140339898 | INTEGRATED SOLAR AND BATTERY INVERTER - A circuitry arrangement includes two-pole connectors for connecting a battery and a further voltage source. The plus pole of one connector and the minus pole of the other connector are directly connected to a plus pole and a minus pole of a DC voltage link. The plus and minus poles of the one connector are connected via a first parallel circuit of a switch and a diode and a first choke connected in series. The minus and plus poles of the other connector are connected via a second parallel circuit of a switch and a diode and a second choke connected in series. A connection between choke ends of the two parallel circuits is electrically conductive at least for alternating currents. The two chokes are magnetically coupled in that their winding senses on a common magnetic core are equal as viewed from the connection between the two parallel circuits. | 11-20-2014 |
20150062982 | Circuit Arrangement and Method for Actuating at Least One Switching Element of a Voltage Converter - The disclosure relates to a circuit arrangement for actuating at least one switching element of a voltage converter with a DC-isolating signal transformer that comprises a primary winding and at least one secondary winding, wherein an actuating signal for the switching element can be applied to the primary winding, and the secondary winding is connected to a switching input of the at least one switching element. The circuit arrangement is characterized by the fact that at least a part of the at least one secondary winding is connected in series with a switching path of the switching element in such a way that a switch current flowing through a switching path of the switching element flows through this part, and that a current measurement device is arranged in a series circuit with respect to the primary winding for determining the switch current. The disclosure furthermore relates to a method for actuating a switching element of a voltage converter, to a driver circuit for providing the actuating signal, which driver circuit can be used in connection with the circuit arrangement, and to the use of the circuit arrangement and/or of the method for providing an operating supply voltage to an inverter. | 03-05-2015 |
20150084654 | INSULATION RESISTANCE MEASUREMENT FOR INVERTERS - During measuring an insulation resistance for an inverter having at least one half-bridge including two active switching elements for driving an output current, and a DC link voltage, a center point of the half-bridge positioned between the switching elements is connected to a grounding point by closing a grounding switch, and the center point connected to the grounding point is connected, one after the other, to a first ungrounded terminal and a second ungrounded terminal of the DC link voltage of the inverter present at the half-bridge by means of the two active switching elements of the half-bridge to establish a connection between the first and second ungrounded terminals, respectively, and the grounding point. A current flowing via the connection to the grounding point is measured using a measuring device. | 03-26-2015 |
20150085550 | BIDIRECTIONAL CONVERTER WITH PREFERENTIAL DIRECTION AND REACTIVE POWER-CAPABLE INVERTER HAVING SAID CONVERTER - A half-bridge of a bidirectional converter is divided into a first and a second conduction path connected in parallel. In each of the conduction paths a switching element and a freewheeling diode are connected in series, and the center points of the conduction paths are connected via a second inductor. The second inductor is connected in series with a first inductor which is connected to the center point of the second conduction path. The half-bridge has two operating modes. In each of the two operating modes the switching element in one of the two conduction paths is clocked at a high frequency to cause a flow of energy in one of two directions between a pair of high voltage-side connections and a pair of low voltage-side connections to the half-bridge. The two switching elements are of different types, the switching element in the first conduction path causing higher switching losses. | 03-26-2015 |