Rotary kinetic fluid motors or pumps – Resilient or movably mounted blade portion or axially... – Yieldingly or pivotedly mounted or flexible blade
Patent
1975-11-24
1976-11-09
Raduazo, Henry F.
Rotary kinetic fluid motors or pumps
Resilient or movably mounted blade portion or axially...
Yieldingly or pivotedly mounted or flexible blade
415200, 415214, 416143, 416240, 416132A, F04D 2918
Patent
active
039908089
ABSTRACT:
A centrifugal blower is disclosed wherein the impeller blades are made of a pliable, flexible, uniformly apertured sheeting made, for example, of plastic, affixed by a flexible support system, to a central rotatable shaft, so that as the rotatable shaft is driven, the apertured plastic sheet is moved centrifugally outwardly with the solid portions thereof assuming the shape of impeller blades. The impeller blades and support system therefor are made completely of thin, flexible, pliable, material, such as plastic, and the blades may assume forward curved, radial, or backward inclined configurations, during blower operation. The impeller blades cause air movement and, in turn, cause a scroll-shaped housing surrounding the impeller blades, also preferably made of plastic sheeting, to immediately inflate, directing the air to the desired location via ducts and the like, for heating, or cooling, or air conditioning or other purposes. The inflatable blower here disclosed is lighter, and more compact, when deflated, than comparably-sized steel blowers. At the same time, performance of the centrifugal blower here disclosed closely conforms to that of similarly sized steel fans in horsepower, revolutions per minute, static pressure and cubic feet per minute air delivery.
REFERENCES:
patent: 535602 (1895-03-01), Sherman
patent: 1001291 (1911-08-01), Mc Kenzie
patent: 1046372 (1912-12-01), Bassett
patent: 1868113 (1932-07-01), Ljungstrom
patent: 1961228 (1934-06-01), Knox
patent: 2115134 (1938-04-01), Andersen
patent: 2677344 (1954-05-01), Annis
patent: 2973716 (1961-03-01), Thomas
patent: 3115099 (1963-12-01), Clay
Drucker I. Morley
Raduazo Henry F.
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