143639 ⎘
Oscillating-piston pumps specially adapted for elastic fluids the piston oscillating in the space, e.g. around a fixed point
Rotational displacement apparatus
#2Spherical compressor
#3Air compressor and extraneous-matter removing apparatus
#4Rotational displacement apparatus
#5Automatic compensation mechanism for hinge seal gap in spherical compressor
#6Fluid impelling device and electronic apparatus
#7Twin-plate rotary compressor