Heating device and systems to reduce surface tension and...
Heating device for an external combustion engine
Heating device for fuel
Heating device for preheating combustion air for an internal...
Heating of rich mixture for auxiliary chamber of three-valve...
Heating prevention system for carburetors of engines for...
Heating system for a carburetor equipped with an automatic...
Heating system for drilling cabin
Heavy duty air filter with integral snow valve
Heavy-duty internal combustion engine fan assembly
Heavy-oil engine
Helically-shaped intake port of an internal- combustion engine
Helicopter combustion chamber
Helicopter control with multiple schedule rotor speed decay...
Helicopter cruise fuel conserving engine control
Helicopter engine control with rotor speed decay anticipator
Helicopter power plant control
Helium pressure seal for a cryogenic refrigerator
Hermetic resonant piston stirling engine compressor...
High air velocity carburetor