F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
F04C9/00—Oscillating-piston machines or pumps
F04C9/005—Oscillating-piston machines or pumps the piston oscillating in the space, e.g. around a fixed point
Landscapes
Engineering & Computer Science
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Mechanical Engineering
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General Engineering & Computer Science
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Developing Agents For Electrophotography
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Diaphragms For Electromechanical Transducers
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Financial Or Insurance-Related Operations Such As Payment And Settlement
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