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Dorau

Gunter Dorau, Postdam DE

Patent application numberDescriptionPublished
20090114405Method and Arrangement for Fighting Fires with Compressed-Air Foam - The invention relates to a method and an arrangement using compressed-air foam for the stationary fire fighting of burning matter of a two-dimensional or three-dimensional form, in particular in road tunnels, in which method the compressed-air foam produced by a foam generator is delivered to the extinguishing area concerned by means of a main compressed-air foam pipeline and is discharged there in a distributed manner by means of a manifold pipe system.05-07-2009

Günter Dorau, Potsdam DE

Patent application numberDescriptionPublished
20100126738COMPRESSED AIR FOAM TECHNOLOGY - The method is for continuously producing compressed-air foam, notably for fire fighting or for decontamining, by supplying both compressed air and a mixture of water and at least a foaming agent to a foaming chamber (05-27-2010

Kai Dorau, Hannover DE

Patent application numberDescriptionPublished
20110255405METHOD FOR OPERATING A MULTIPORT MAC BRIDGE HAVING PORTS WHICH CAN BE SWITCHED OFF ACCORDING TO AN ISOCHRONOUS DATA STREAM AT ONE PORT OR PORT PAIR IN ETHERNET LANS - In the method for operating a multi-port bridge for the routing, differentiated in accordance with traffic classes, of data packets which are subdivided into different priority classes in accordance with the IEEE802.1D standard, an additional traffic class “isochronous channel” is introduced. The multi-port bridge is configured in such a manner that at least one predetermined port in the case of unidirectional transmission and at least one predetermined port pair in the case of bidirectional transmission is operated in the “forwarding” state in which the predetermined port or the predetermined port pair forwards data packets of the additional traffic class IC from a queue. During the forwarding, all ports are deactivated with the exception of the predetermined port or port pair. The isochronous data stream is not restricted to one port or port pair but can be executed several times in dependence on the data rate of the transmission channel.10-20-2011