136639 ⎘
Rotary-piston machines or engines having the characteristics covered by two or more groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
Sub-classes:Outrunner gas expansion motor topology
#2Rotary motor
#3Isochoric heat addition engines and methods
#4Isochoric heat addition engines and methods
#5Isochoric heat addition engines and methods
#6Reciprocating and rotary piston engine
#7Fluid pump having expansion device and rankine cycle using the same