ADJUSTABLE IMPINGEMENT DUAL BLOWER APPARATUS

摘要

A pair of high speed blowers (12, 14) are pivotally mounted in a vertical plane on a movable frame structure (10). Each blower (12, 14) has blades (18) turning in an opposite direction from the other blower. The blowers (12, 14) are locked in place at an angle of 10 to 60 degrees with respect to each other so that air emanating from the blowers (12, 14) impinge on each other downstream from the blowers (12, 14). The air impingement (60, 62) creates a triangular type expanding air stream pattern (64) downstream from the impingement area.