FELLER ENGINEERING

[ Motor drives controlled by semiconductors, namely, electric motors for machines with digital servo drive controllers, servomotors, servo-valves, alternating current servo motors; portable current and voltage generators, namely, portable electric generators, portable AC and DC generators; ] regulators for determining pressure and number of revolutions namely, regulators being parts of machines; [ controlling devices for machines, namely, controlling devices in the nature of regulators being parts of machines, electric motors for machines with digital servo drive controllers, servomotors, servo-valves; ] devices for controlling microprocessors for glue spreading appliances, namely, thermo-controllers in the nature of regulators being parts of machines [, servomotors, servo-vales, electric motors for machines with a digital servo drive controller all for use in glue spreading machines ]

[ Power electronics apparatus and electric and electronic apparatus, namely, current rectifiers or static inverters operated by thyristors, rectifiers for electrolysis for use in controlling and regulating chlorine content, pH value, and oxidation-reduction value or level; ] regulating devices and remote control appliances, namely, electronic sensors and indicators for regulating temperature [, electronic sensors for determining and regulating the revolution rate of turbines, pressure gauges and pressure sensors, pressure regulators for use with cryogenic liquids; power boxes, namely, circuits for heavy current, current rectifiers, current converters, fuses for electric current and electric current switches; microprocessors for control devices for use in glue spreading machines; ] microprocessor controlled multi-channel measurers and regulators, namely, electronic temperature controllers, [ electronic control valves for regulating the flow of gases and liquids, oxygen regulators, voltage regulators, static voltage regulators, ] electronic sensors for measuring pressure [, gas concentration, and solar radiation ]; measuring devices, namely, regulating devices for automation of operation, namely, [ measuring apparatus for temperature and humidity levels in gases and solid substances, electrical resistance measuring instruments, electronic control valves for controlling the flow of gases and liquids, ] flow regulators for industrial use in electrical heaters, digital electrical controllers [, digital electrical resistance measuring instruments ]; digital pressure sensors, digital voltage regulators, revolution number indicators, namely, digital sensors for determining and regulating the revolution rate of turbines and electric motors [; clamp-on electrical probes for measuring high direct electrical currents; portable apparatuses for measuring salt concentration, namely, measuring probes, namely, electronic measuring transducers for thermo-electric, temperature, alkalinity, and oxidation and reduction processes for use in measuring stress and fatigue of metals and metal structures; supply units for argon lasers up to 50 KVA, namely, primary and auxiliary electrical power units for supplying electrical power to argon lasers up to 50 KVA; automatic test apparatus for printed cards, namely, computer component testing and calibrating equipment for use with printed circuit cards; microprocessor-controlled milling curve tracers, namely, an electronic microprocessor for use in controlling and directing milling machines ]

[ Regulated electric radiators, namely, electric and steam radiators for heating buildings, electric and infrared radiators not for motors and engines, radiators for industrial air-conditioning purposes ]

Technical consulting services in the field of automation, namely, technical consulting services in the field of office and work place automation, technical consulting services in the field of factory automation, providing technical advice concerning automating production functions in industrial processes