Leading edge protection for fan blade
Lever-mechanism motor or pump
Liquid ring vacuum pump
Liquid ring vacuum pump
Liquid-sealed vane oscillator
Low friction, controlled leakage rotary engine
Lube oil control system for turbocharged rotary piston engine
Lubricating mechanism for a scroll-type fluid displacement...
Lubricating mechanism for scroll-type fluid displacement...
Lubrication system for the crank mechanism of a scroll...