| 摘要 |
A ventilating system for a building including a suction chamber communicating through ducts with a kitchen and another space, a speed controlled exhaust fan communicating with the suction chamber for evacuating air from the kitchen and the other space, and a damper in the kitchen rotatably disposed in a duct to control the air being evacuated from the kitchen. The ventilating system may be used in a building having a plurality of kitchens and other spaces by utilizing a common duct for the kitchens and a common duct for the other spaces.
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