ES147559U - Pure air breathing equipment for tubular, fixed and portable conduits. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Pure air breathing equipment for tubular, fixed and portable conduits. (Machine-translation by Google Translate, not legally binding)
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Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
By a pure air breathing apparatus by fixed and portable tubular conduit, characterized by a circular section housing, with a short neck that protrudes in its upper lateral part, inside which is housed an air aspiration-impeller device, composed of an electro-fan with blades or propulsion turbine and two holes in said casing coupled to each pipe, one of which sucks the outside air and the other expels it when the electro-fan starts up. (Machine-translation by Google Translate, not legally binding)
ES1969147559U1969-04-181969-04-18
PURE AIR BREATHING EQUIPMENT BY TUBULAR DUCT, FIXED AND PORTABLE.
ExpiredES147559Y
(en)