| 摘要 |
<p>A slide type valve (V) for regulating a gas generating system ( 10 ) that has at least a first and a second gas concentrating bed unit ( 12, 14 ) includes an outer body ( 120 ) with a slide face ( 106 ) having at least three open ports ( 130, 132, 134 ) communicating with an interior cavity ( 136 ) formed in the outer body ( 120 ). A vent port ( 132 ) and at least two bed ports ( 130, 134 ) are adapted to communicate an air flow with a gas concentrating bed unit ( 12, 14 ). The vent port ( 132 ) is formed between two bed ports. A slide block ( 100 ) having an essentially flat face ( 146 ) slides along the slide face interior surface ( 142 ) of the outer body ( 12 ) and has an interior cavity ( 148 ) and a first and a second opening ( 150, 152 ). The slide block slide face ( 146 ) has a closing portion ( 104 ) positioned between the first and second openings ( 150, 152 ). A controller (C) moves the slide block ( 100 ) between a first state (S 1 ) and a second state (S 2 ) for desired air flow.</p> |
