Centrifugal fan
Abstract
Abstract THERE IS DISCLOSED HEREIN A CENTRIFUGAL FAN FOR CIRCULATING ATMOSPHERE GAS IN AN ANNEALING FURNACE. A CIRCULAR BASE PLATE CARRIES A PLURALITY OF RADIALLY DISPOSED, UPWARDLY PROJECTING BLADES, EACH BLADE HAVING A MAIN BLADE PORTION PROVIDING A LEADING SURFACE TILTED BACKWARDLY AND AN UPPER EDGE PORTION CURVED FORWARDLY WITH RESPECT TO THE DIRECTION OF ROTATION OF THE FAN. EACH BLADE IS REINFORCED AT ITS TRAILING SIDE BY A SUPPORT WHICH TILTS FORWARDLY AND CONVERGES UPWARDLY, THE UPPER EDGE OF THE SUPPORT INTERSECTING AND BEING SECURED TO THE MAIN BLADE PORTION. THE FAN IS DISPOSED WITHIN A CENTRAL OPENING OF A FULL-FLOW LOAD SUPPORT DIFFUSER HAVING AN INTAKE OPENING EQUAL TO THE DIAMETER OF THE FAN AND SUBSTANTIALLY UNRESTRICTED OUTLET MEANS.
Inventors
- 👤 Robert Lee Corbett Jr
Bibliographic Details
Claims Analysis
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