143485 ⎘
Oscillating-piston machines or pumps the points of the moving element describing approximately an alternating movement in axial direction with respect to the other element
Refrigeration system including micro compressor-expander thermal units
#2Refrigeration system including micro compressor-expander thermal units
#3Rotary-oscillating subassembly and rotary-oscillating volumetric pumping device for volumetrically pumping a fluid
#4Rotary piston pump