Patent application number | Description | Published |
20100065437 | METHOD FOR SETTING A DISTANCE BETWEEN AN ELECTRODE AND A WORKPIECE - In a method for setting the distance between an electrode and a workpiece in electrochemical metal working, the electrode is moved by an oscillating drive system, in which an acceleration signal of the oscillating drive system is picked up, the acceleration signal is divided into individual sections, characteristic magnitudes of the individual sections of the acceleration signal are determined, the characteristic magnitudes of the individual sections are compared to one another and the distance of the electrode from the workpiece is adjusted in response to a deviation of the characteristic magnitudes from the specified values. A device for carrying out the method includes an electrode, that is connected to a drive axis, an oscillating motion being able to be transferred to the electrode via the drive axis. A sensor is situated on the drive axis which picks up acceleration signals. | 03-18-2010 |
20120312161 | METHOD AND DEVICE FOR REDUCING THE HUMIDITY OF A GAS IN A HOUSING INTERIOR - A method and a device for reducing the humidity of a gas in a housing interior, in particular in a battery housing interior, includes leading a gas through a first selectively permeable membrane and into an intermediate space. The intermediate space has the first selectively permeable membrane as an inlet and a second selectively permeable membrane as an outlet. The gas is then cooled in the intermediate space by a cooling unit such that a water vapor portion of the gas is condensed into water and the gas having a reduced water vapor content is directed through the second selectively permeable membrane into the housing interior. | 12-13-2012 |
20130115546 | FUEL CELL, FLOW FIELD PLATE, AND METHOD FOR PRODUCING A FLOW FIELD PLATE - A fuel cell, having a first electrode, a second electrode, and a membrane element, in which the membrane element is disposed between the first electrode and the second electrode. At least one of the electrodes has a flow field plate and at least one flow conduit, through which a reactant can be conducted, extends in at least one outer surface of the flow field plate. The flow field plate has at least one microreaction chamber, and the microreaction chamber is disposed in the outer surface and on the flow conduit. A catalyst is disposed on at least a part of the microreaction chamber in such a way that the catalyst has contact simultaneously with the membrane element and the inflowing reactant. | 05-09-2013 |
20130252070 | DUMMY BATTERY CELL FOR SAFE TESTING OF BATTERY SYSTEMS - A dummy battery cell has a housing, electrodes arranged within the housing, and terminals which are electrically conductively connected to the electrodes. The dummy battery cell is configured such that the housing is configured to hold an electrolyte. Instead of an electrolyte, however, the dummy battery cell has a filler which does not contain an electrolyte. The filler is effective for the battery cell type. A battery, a battery module and a battery system contain at least one such dummy battery cell. | 09-26-2013 |
20130323545 | Pressure Equalizing Element, Battery having a Pressure Equalizing Element, and Motor Vehicle having a Corresponding Battery - A pressure equalizing element for a housing comprises a head section, a body section, and a duct, through which air can pass and which extends through the head section and the body section. A drying element, which has a desiccant that draws moisture from air flowing through the duct, is arranged in the duct. The disclosure further relates to a battery having said pressure equalizing element and to a motor vehicle having said battery. | 12-05-2013 |
20140147728 | BATTERY CELL CONNECTOR, METHOD FOR PRODUCING A BATTERY CELL CONNECTOR, BATTERY, BATTERY SYSTEM, AND MOTOR VEHICLE - A connector is configured to produce an electrically conductive connection between battery cell terminals, in particular between battery cell terminals of multiple battery cells in order to electrically link said battery cells. The connector comprises at least two connecting sections, each of which is composed of a different material and which are connected to each other in an electrically conductive manner in at least one connecting region by mutually contacting surfaces. The surfaces of both connecting sections lie against each other, and particles of the surfaces of both connecting sections are mixed in a boundary layer. | 05-29-2014 |
20140162092 | HOUSING FOR A GAS-TIGHT RECHARGEABLE BATTERY - A housing for a gas-tight rechargeable battery includes a proportional valve that is arranged at an opening in a housing wall. The proportional valve has a valve body that is influenced by force in the direction of its closed position and towards the interior of the housing. The proportional valve is embodied at least partially from metal such that it allows the through-flow of gas if the pressure that is prevailing in the housing exceeds a construction-dependent pressure limit value. The proportional valve is configured to be connected electrically to the cathode of the rechargeable battery. A contact element embodied at least partially from metal is configured to be connected electrically to the anode of the rechargeable battery and is arranged on the outside of the housing such that the valve body comes into physical contact with the contact element after the proportional valve has achieved a defined open position. | 06-12-2014 |
20140162093 | ENERGY STORAGE DEVICE HAVING A SAFETY COATING - An electrochemical energy storage device includes a cell space for at least partially accommodating an anode and a cathode. The cell space is separated at least partially from the external surroundings by a housing. The energy storage device at least partially includes a coating configured to foam by the action of heat. | 06-12-2014 |
20140287297 | Battery Cell, Battery and Motor Vehicle - A battery cell includes a battery cell housing that is patterned in a form of a folding structure. In another embodiment, a battery cell includes a battery cell housing that is patterned in a form of a sandwich construction which comprises an intermediate layer and two cover layers. In a further embodiment, a battery cell includes a battery cell housing that is patterned in a form of an inversion structure. An exemplary battery includes a plurality of such battery cells, and can be comprised by a motor vehicle. | 09-25-2014 |
20140295243 | CONNECTOR FOR PRODUCING AN ELECTRICALLY CONDUCTIVE CONNECTION BETWEEN AT LEAST THREE TERMINALS OF BATTERY CELLS - What is described is a connector for producing an electrically conductive connection between at least three terminals of battery cells. The connector comprises at least three fastening regions, in which in each case one terminal of a battery cell can be or is fastened, and at least two electrically conductive connecting regions, wherein each of the connecting regions is arranged between a pair of the fastening regions, connects said pair conductively and surrounds a sub-region, which has a cross section perpendicular to a connecting line connecting the pair of fastening regions, the cross-sectional area of said cross section being reduced such that, in the event of an increased current flow in the sub-region, fusing of the sub-region takes place. | 10-02-2014 |
20140370336 | Battery having a Protection from Adjacent Cells in Case of Discharge of a Battery Cell - A battery comprises a housing and a plurality of battery cells arranged in the housing. Each battery cell has at least one discharge valve. The battery further comprises a discharge pipe system for discharging gases released from one, a plurality of or all discharge valves of the battery cells. The discharge pipe system according to the disclosure has a plurality of separate connections for receiving the released gases and a common discharge guide into which the separate connections open and via which the released gases can be discharged out of the housing. The battery is characterized in that a protective film is arranged between the discharge valves of the battery cells and the separate connections of the discharge pipe system so that direct contact of the battery cells to the gases in the discharge pipe system is prevented. | 12-18-2014 |
20140377603 | BATTERY CELL, BATTERY, MOTOR VEHICLE - A battery cell includes a membrane configured to curve outwards when pressure inside the battery cell increases, thereby creating an electrically conductive connection between two poles. A conductor is arranged on an outside of the membrane and is connected to the battery cell such that the outward-curving membrane lifts the conductor from the membrane on one side such that the poles are electrically connected to one another via the conductor. | 12-25-2014 |