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Solutions (Licenses)
The solutions field allocates licenses for our patented developments. Currently we have two solutions for potential clients in our portfolio searching for a new development in order to round off their present business area or to open a new strategic business sector.

The so-called pressure-wave supercharger (DWL) is an interesting alternative to the turbocharger, resp. mechanical compressor. The existing technology from the 80s could raise interest again in the course of the new emission regulations and requirements of petrol downsizing-engines.

A fascinating charging device! Concerning the charging technology all parameters are going in the right direction and the charger is basically the best kind of charging. A big advantage is the extremely rapid response without any turbo lag. On the contrary to an ordinary turbocharger compressor there is no so-called surge limit (downsizing and downspeeding are possible at the same time) which enables very high charging pressures at small engine airflow rates. Along with that, very high efficiencies of over 90 % are achieved that are normally found only in the largest turbochargers. There is also a positive influence on the cold-start emissions of combustion engines as the catalyser can be placed in front of the charger. Therefore, the heating phase until the catalyser begins to work is extremely short. This keeps the counter pressure to the combustion engines extremely low which has a positive impact on the engine’s fuel consumption (charge-cycle work, reduced knock tendency, lower peak temperature). Furthermore, the charger is also perfectly suitable for high-pressure supercharging.

There have been various problems in the past concerning operations with petrol engines. Therefore, Antrova has developed a new charger (Comprex TM) which is capable of meeting the new challenges regarding operational safety and strict emission regulations.

The new Comprex solves problems in connection with turbochargers most elegantly. There is no need of expensive additional precautions such as the E-Booster or combinations with several chargers to get anywhere near the outstanding performance of the DWL.

The Comprex TM can be used from small automotive applications with 0,5 l capacity (50 kW) to large engines with 5 MW.
If you are interested in our innovative pressure-wave supercharger please contact Dr. Mario Skopil without any obligations.

(TM Comprex is a registered trademark of Antrova AG)

With the innovative high voltage co-axial cable capacities of several gigawatts can be transmitted over 100 km, for example to link wind power stations in the North Sea with storage power plants in the Alps. The core of the innovation is that outside the line no magnetic and electric fields are measured and that even in case of an incident the environment is not harmed by any cooling Insulation liquid.

Magnetic and electric fields in the environment are avoided by a coaxial configuration of the supply and return conductors, in other words by an internal and external conductor. This effect has been known for a long time; however, a technical implementation had not been possible due to the lack of a heat transfer from the hot internal conductor to the environment.

However, as of about 1950 so-called oil-filled cables were introduced which lead the heat away by pumping oil through the hollow internal conductor. Yet the potential of environmental damage by escaping oil in case of a cable rupture is enormous, as for dielectric reasons the oil must be kept at 10 bar. Furthermore, with this solution the environment is not free of magnetic and electric fields. With our high voltage co-axial cable the space between internal and external conductor is filled with stearin. The essential effect consists of the potential emergence of a natural convection in the heated and melted stearin, which enables a good heat transfer from the internal to the external conductor and from there to the environment. In case of a leakage of the cable, stearin will escape and, depending on the exterior temperature, solidify there in a limited distance. Leaking stearin causes relatively little damage to the environment, whereas the dielectric properties as insulator are excellent.

If you are interested in our innovative high tension co-axial cable please contact Mr. Markus Widenhorn without any obligations.

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