136581 ⎘
Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form; Details concerning the involute wraps or their base, e.g. geometry; Details concerning the base Details of the ports, e.g. location, number, geometry
Scroll expander
#2Scroll type device incorporating spinning or co-rotating scrolls
#3Scroll compressor having an area of bypass holes formed at a compression chamber with a larger volume reduction gradient larger than an area of bypass holes at the other compression chamber
#4Scroll compressor having a back pressure plate and a gasket coupled to a fixed scroll plate by at least one coupling member
#5Scroll compressor having a back pressure chamber assembly disposed on a fixed scroll plate and an elastic member disposed between a floating plate and a discharge cover
#6Sealed scroll compressor for helium
#7Scroll compressor