| 摘要 |
<p>The invention provides an air flow regulator for regulating the amount of air flowing along a first path in relation to the amount of air flowing along a second path, comprising a bellows moving in a chamber and dividing the chamber into two separate compartments, one of which communicates with one air flow path and the other of which communicates with the other air flow path, said bellows being arranged to move a damper in one of the air flow paths through an intermediate member and thereby vary the air flow in that path in accordance with the air flow in the other path.</p> |
