| 摘要 |
PROBLEM TO BE SOLVED: To provide a flow adjustment damper hardly affected by turbulence of airflow in an air conditioning duct, eliminating unstable airflow in a state that a flow channel is substantially full-closed, and stably measuring differential pressure.SOLUTION: A flow adjustment damper 100 includes rotating shafts 11, 12 disposed in a direction crossing the inside of a square cylindrical damper casing 10, a plurality of blade members 21, 22 disposed so that front edge portions thereof take opposed attitudes to be close to and separated from each other by rotation of the rotating shafts 11, 12, frame members 31-34 disposed at an upstream side and a downstream side of the blade members 21, 22 to form a full-open state holding position of the blade members 21, 22 on an inner peripheral face of the damper casing 10, and pressure detecting portions 40, 50, 60 disposed at the upstream side and the downstream side of the blade members 21, 22 on the inner peripheral face of the damper casing 10. A wing-shaped partition member 70 crossing the damper casing 10 is disposed in a region where the blade members 21, 22 in the damper casing 10 are close to and separated from each other.SELECTED DRAWING: Figure 5 |
