Heating equipment, including radiator type-heat exchange units for heating the air in cabins of aircraft by exchange of heat from engine exhaust gases; components for refrigeration units comprising, compressors, transmissions; turbine and compressor assemblies, drive shafts; heating sections and power sections; cooling turbines; all being goods included in this class

Electrical and electronic equipment including electrical actuators, voltage regulators, control panels and systems, radio noise filters, capacitors, relays, transformers, chokes, and electrical jacks, limit switch boxes, floating control thermostats, flap electric control systems, electric synchronizing controls, electrically actuated valves and electric thermostatic controls; electrical components for gas turbine equipment comprising, differential pressure switches, starting control switches and contact arc suppressors; electrical components for cabin pressurization systems comprising, cabin altitude selectors, rate of change selectors, differential changers, differential timers, relay boxes, pressure switches, magnetic valves, electrical components for electronic regulators and computors comprising, cabin temperature regulators, cabin temperature pick-ups, cabin Temperature selectors, duct temperature anticipators, limiting temperature pick-ups, calibration temperature selectors, duct temperature pick-ups, temperature regulators, solenoids, pressure transducers, accelerometer, potentionmeters, elevation computors. Automatic controlling valve units for regulating air pressure in compartments of aircraft, said valve being controlled in accordance with the differential between compartment pressure and pressure in a control chamber. Oil temperature regulators comprising, oil coolers, valves, and/or shutters for regulating the flow of oil and/or coolant air through the coolers. Floating control thermostats, oil diverter thermostats. By-pass control valves, measuring venturis and humidity indicators, airvalves. Pressure ratio, thermostatic governors; thermostatic temperature control valves, pneumatic Thermostats, starter control shut-off valves, starter controls and by-pass fuel valves; safety valves (pressure relief, vacuum relief and dump), dump and spill valves, vacuum relief valves, pressure relief valves; pressure ratio control valves, differential pressure control valves, pressure rate of change control valves, air flow limiting venturis, air flow control venturis, differential air pressure regulators, rate of change controls, pressure breathing demand regulators; pressure switches, pressure ratio switches, differential changers, differential timers, cabin altitude selectors, cabin altitude rate of change selectors, pressure ratio limit switches, magnetic valves, battery connectors, electrical connectors; all being goods included in this class