143410 ⎘
Rotary-piston machines or pumps 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 with coaxially-mounted members having continuously-changing circumferential spacing between them having crankshaft-and-connecting-rod type drive
ELECTRIC DIAPHRAGM PUMP WITH OFFSET SLIDER CRANK
#2Electric diaphragm pump with offset slider crank
#3Electric diaphragm pump with offset slider crank
#4ROTARY VANE HYDRAULIC ELEMENT
#5Scroll type fluid machine with notches on a motor housing