Abstract: A device that intermittently coats a moving surface with a paste containing electrochemically active particles including a nozzle having a slot-shaped delivery opening, a paste reservoir from which paste being supplied to the delivery opening via a transport channel, a rotary valve having a rotatably mounted control axle that enables the paste supply to the delivery opening in a first switching position and, in a second switching position, blocks the transport channel and disconnects a section of the transport channel extending as far as the delivery opening from the paste supply, and a reduced pressure source in communicating connection with the rotatably mounted control axle via a reduced pressure channel, wherein the rotatably mounted control axle comprises a passage via which the paste reservoir is in communicating connection with the delivery opening in the first switching position and via which the delivery opening is in communicating connection with the reduced pressure source in the second switching p
Type:
Grant
Filed:
June 14, 2016
Date of Patent:
January 23, 2018
Assignee:
VW-VM Forschungsgesellschaft mbH & Co. KG
Abstract: A switchable slot valve for a coating plant controls delivery of a pasty coating material. The switchable slot valve has a valve bore incorporated in a valve main body and is aligned in a valve extent direction, and a valve control rod is rotatable to switch between a throughput position and a closed position and is mounted in the valve bore by bearing faces is disposed. To mitigate disruptions by coating material which has made its way into a bearing gap between the valve bore and the bearing faces, depression regions are provided in the region of which the respective outer circumferential part-face does not bear on the inner circumferential face of the valve bore, on the outer circumferential part-faces between the slot-shaped duct inlet and the slot-shaped duct outlet.
Type:
Grant
Filed:
July 8, 2013
Date of Patent:
July 25, 2017
Assignee:
VW-VM Forschungsgesellschaft mbH & Co. KG
Abstract: An electrode for a lithium ion battery includes a matrix based on at least one polysaccharide and also particles of at least one electrochemically active material which are embedded in the matrix, with the electrode being free of synthetic polymeric compounds. A battery contains the electrode and a polysaccharide is a binder for electrochemically active electrode materials for such an electrode.
Type:
Grant
Filed:
July 11, 2008
Date of Patent:
May 16, 2017
Assignee:
VW-VM Forschungsgesellschaft mbH & Co. KG
Inventors:
Nikolaus Stefan Hochgatterer, Stefan Koller, Mario Rene Schweiger, Martin Winter, Calin Wurm, Arno Perner, Thomas Wöhrle
Abstract: A switchable slot valve for a coating plant controls delivery of a pasty coating material. The switchable slot valve has a valve bore incorporated in a valve main body and is aligned in a valve extent direction, and a valve control rod is rotatable to switch between a throughput position and a closed position and is mounted in the valve bore by bearing faces. To mitigate disruptions by coating material which has made its way into a bearing gap between the valve bore and the bearing faces at least one receiving space is incorporated in an inner circumferential face of the valve bore between the supply duct and the nozzle duct.
Type:
Grant
Filed:
July 8, 2013
Date of Patent:
January 3, 2017
Assignee:
VW-VM Forschungsgesellschaft mbH & Co, KG
Abstract: A method produces electrode windings, in which method a strip- or ribbon-like anode and a strip- or ribbon-like cathode are provided and flat collector lugs are formed on at least one longitudinal side of the anode and of the cathode at varying distances and/or contours are cut into the longitudinal sides of the electrodes. The anode and the cathode are wound up together with a strip- or ribbon-like separator to form a winding with the sequence anode/separator/cathode. The method is distinguished, in particular, in that the process of forming collector lugs and/or of cutting contours and the process of winding up overlap with respect to time.
Type:
Grant
Filed:
April 27, 2012
Date of Patent:
June 21, 2016
Assignee:
VW-VM Forschungsgesellschaft mbH & Co. KG
Inventors:
Konrad Holl, Markus Pompetzki, Robert Sekler, Heiner Stelzig, Stefan Stock