139102 ⎘
Internal combustion engines with pistons rotating or oscillating with relation to the housing with piston oscillating in a housing or in a space in the form of an annular sector
ROTARY DRIVE APPARATUS
#2Rotary drive apparatus
#3Rotary engine with its passive piston running at variable speed
#4Intake device, power generator, external combustion system using intake device and power generator, internal combustion system using intake device and power generator, and air hybrid power generation system using intake device and power generator
#5ORBITAL ENGINE
#6Reciprocating rotation type engine and power transferring device and hybrid system using the same
#7Orbital engine
#8Orbital engine
#9Rotary internal combustion engine with adjustable compression stroke
#10Toroidal internal combustion engine