Research in engine construction, measurement technology and instrumentation, engineering, expert work and expertises; development and design of internal combustion engines, test engines and parts thereof; combustion engine and compressor scientific calculations using technical computing systems; development of machinery, apparatus, test stands, dynamic test stands, simulation test stands, cold test stands and manufacture test stands; development of test equipment, measuring instruments and experimental gear for engines and machines and ballistics; component development for internal combustion engines and other engine types; development of low-emission combustion techniques and lean-fuel engines; combustion photography and high-speed photography for combustion chambers; development of power assemblies, development of vehicles; development of fuel systems for engines using liquid, solid or gaseous fuels and for injection engines using conventional fuels or alternative fuels; analysis and testing of the influence of fuels and lubricating oils on exhaust emissions and on the abrasive and corrosive wear of engine components and resulting particle emissions; scientific calculation, analysis and testing of oil consumption based on the metallic components of particle emissions; transient exhaust emission technology, chemical and spectroscopic analysis of exhaust gases and particle emissions; investigation of overall behavior, noise generation and silencing; development of noise reduction in engines and gear trains and total systems; analysing and consulting work on internal combustion engines and systems operated by such engines, and on gear trains; development of macroprograms for computer-aided design and computer-aided manufacturing, and computer programs for databank applications; development of computer and control programs for the operating and testing of internal combustion engines and for analysis of exhaust gas emissions, their generation and reduction, and for stresses, strains, vibrations, noise generation, noise propagation and noise radiation; development of computer programs for flow phenomena and combustion processes inside the engine, and for processes of mixture-formation and mixture-layering; development of computer programs for simulation of thermo-dynamic processes; development of computer programs for simulation of flows, temperature and pressure curves; development of computer programs for simulation of temperature distribution in solid bodies, especially in components of internal combustion engines and their subassemblies; development of computer programs for simulation of combustion and detonation processes; development of computer programs for flow processes and combustion processes, and for processes of mixture-formation, charging and/or mixture-layering in internal combustion engines, development of computer programs for external flows around moving parts and bodies, especially landcraft, aircraft and watercraft, development of computer programs for flows in closed spaces, especially air conditioning applications; development of computer programs for analysis of exhaust gas emissions, their generation and reduction; rental of data processing systems for macroprogrammes for computer-aided design and computer- aided manufacture, and computer programs for databank applications

Maintenance of internal combustion engines and vehicles, maintenance of electronic measuring, testing and monitoring devices and of electronic measuring, testing and monitoring facilities; construction of internal combustion engines, test engines and parts thereof

Training courses and classes for company personnel and guest engineers in engine design, research and development, and in measurement technology and instrumentation, electromedicine and biomedicine, including shows of cine- and video-films

Actuators, sensors, instruments, facilities and installations, all for measuring, testing and monitoring in research applications; piezoelectric crystals, equipment for the growth and treatment of piezoelectric crystals, strain gauges, piezoelectric and electroacoustic components, piezoelectric resonators, pressure sensors, high-pressure sensors, static and dynamic calibrating systems for high-pressure sensors, acceleration sensors, measuring equipment for determination of the resonance behavior of piezoelectric pressure sensors, force sensors, distance sensors, optical sensors, capacitive and inductive transducers, microwave sensors; measuring probes and instruments for applications in biotechnology and environmental protection, devices for analysing environmental samples, and microcomputers and microprocessors for such devices; ion-selective sensors based on fluorescence-optical principles of measurement; fluorescence photometers and equipment for spectroscopic analyses; measuring probes and equipment for monitoring sewage or waste water plants and for protection of water bodies; apparatus for determining the concentration of an agent contained in a substance, luminescent indicators, electro-optical measuring instruments, electro-chemical electrodes, microelectrodes; micro-optical and micro-electrochemical sensors with evaluation electronics; measuring instruments, measuring apparatus, measuring facilities and corresponding evaluation facilities for science applications, measuring tools, precision instruments for measuring the interior diameters of pipes, measuring machines, test instruments, test apparatus, testing machines, weighing, signalling and monitoring equipment, flowmeters, thermometers, instruments for measuring structure-borne sound and air-borne sound, speed regulators; electronic liquid level measuring devices, instruments for measuring pressure vibrations in liquids, instruments for measuring torsional vibrations, capacitive distance meters for upper dead center of reciprocating engines, equipment for measuring the composition of exhaust gases, densitometers, angle marker generators, photoelectric barriers, microwave interferometers, speed measuring devices, cadence calculators, calibrating devices for sensors and measuring equipment, electric charge amplifiers; laser-optical instruments for investigation of flow phenomena in liquids and gases; diagnosis equipment for internal combustion engines both self-driven and externally driven, monitoring devices for internal combustion engines in operation, measuring equipment for thermodynamic evaluation of internal combustion engines; ballistic equipment for the recording and evaluation of measured values, target detection devices, equipment for gunpowder analysis, ballistic measuring instruments, ammunition test equipment for interior ballistics; dynamometric brakes for test stands, facilities for the control of internal combustion engines, partly and fully automated engine test stands and test stands for subassemblies and their components, test stands for the testing of aircraft components; computer and control programs for the operating and testing of internal combustion engines and for the analysis of exhaust gas emissions, their generation and reduction, and for stresses, strains, vibrations, noise generation, noise propagation and noise radiation; computer programs for flow phenomena and combustion processes inside the engine, and for processes of mixture-forming and mixture-layering; computer programs for simulation of thermodynamic processes; computer programs for simulation of flows, temperature and pressure curves; computer programs for simulation of temperature distribution in solid bodies, especially in components of internal combustion engines and their subassemblies; computer programs for simulation of combustion and detonation processes; computer programs for flow processes and combustion processes, and for processes of mixture-formation, charging and mixture-layering in internal combustion engines, computer programs for external flows around moving parts and bodies, especially landcraft, aircraft and watercraft, computer programs for flows in closed spaces, especially air conditioning applications; computer programs for analysis of exhaust gas emissions, their generation and reduction; all the foregoing included in this class

Medical apparatus and instruments; medical measuring devices and instruments as well as their components, medical therapy equipment; probes for medical purposes, equipment for withdrawal of blood for medical examination or test purposes; equipment for blood tests and their components, hose pumps, sample feeding devices, devices for determination of the electrolyte contents, hydrogen-ion concentrations, and partial pressures of gaseous substances, all for blood test equipment; devices for determining the concentration of an agent contained in a substance, luminescent indicators, electro-optical measuring instruments, electrochemical electrodes, microelectrodes, optical sensors, micro-optical and micro-electrochemical sensors with evaluation electronics, reference electrodes, capillary electrodes, electrode test equipment, calibrating devices for measuring instruments, all for medical applications; equipment for tumor diagnosis; implantable devices for measuring the composition of body fluids and for automatic medication; medical pulse pressure transducers; artificial sleep and anaesthetization equipment; microcomputers and microprocessors for medical purposes

Measuring probes and measuring instruments for applications in biotechnology and environmental protection, devices for analysing environmental samples, and microcomputers and microprocessors for these devices; superheated steam sterilizable sensors and measuring probes for measuring the oxygen partial pressure, carbon dioxide partial pressure, and hydrogen-ion concentration in bioreactors and fermenters; fiber-optical sensors and instruments for simultaneous measurement of various parameters (for instance, oxygen partial pressure, carbon dioxide partial pressure, hydrogen-ion concentration); biosensors and ion-selective sensors based on fluorescence-optical principles of measurement; fluorescence photometers and equipment for spectroscopic analyses; measuring probes and equipment for monitoring sewage or waste water plants and for water protection; sensors and instruments for trace analysis in the beverages and food industry; apparatus for determining the concentration of an agent contained in a substance, luminescent indicators, electro-optical measuring instruments, electrochemical electrodes, microelectrodes, optical sensors, micro-optical and micro-electrochemical sensors with evaluation electronics, reference electrodes, capillary electrodes, electrode test equipment, calibrating devices for measuring instruments

Research in the fields of biotechnology and environmental protection; development of apparatus, devices and measuring instruments for medical applications and in biotechnology and environmental protection; test stands, test equipment and experimentation equipment for medical and biological apparatus and instruments; development of measuring probes and measuring instruments for biotechnological applications, and measurements for purposes of environmental protection; preparation of computer programs and control programs for medical and biotechnological applications; performance of analyses and consultancy; rental of medical instruments and apparatus, and of equipment for environmental protection

Maintenance of medical and biotechnological equipment and instruments

Electrical products

Computer and control programs for the operating and testing of internal combustion engines and for the analysis of exhaust gas emissions, their generation and reduction, and for stresses, strains, vibrations, noise generation, noise propagation and noise radiation; computer programs for flow phenomena and combustion processes inside the engine, and for processes of mixture-forming and mixture-layering; computer programs for simulation of thermodynamic processes; computer programs for simulation of flows, temperature and pressure curves; computer programs for simulation of temperature distribution in solid bodies, especially in components of internal combustion engines and their subassemblies; computer programs for simulation of combustion and detonation processes; computer programs for flow processes and combustion processes, and for processes of mixture-formation, charging and mixture-layering in internal combustion engines, computer programs for external flows around moving parts and bodies, especially landcraft, aircraft and watercraft, computer programs for flows in closed spaces, especially air conditioning applications; computer programs for analysis of exhaust gas emissions, their generation and reduction