SOLENOID DIAPHRAGM BLOWER Russian patent published in 1995 - IPC

FIELD: pumping fluids. SUBSTANCE: cylindric electromagnets with coils are mounted inside the housing. The coils have central passageways. Two magnetically conducting diaphragms are clamped inside the housing to define working chambers interconnected through the central passageway. The side walls of the housing have hollows. The housing is made up as a torus and has the even same number of electromagnets and diaphragms. Radial passages for connecting with the central passageway are made in the housing between each chamber and electromagnet coil. EFFECT: enhanced efficiency. 1 dwg