| 摘要 |
<p>A poppet valve for a vacuum brake booster. The poppet valve (33, 92) is connected to a key member (64) which retains a control valve (50) in a bore (30) of a hub (28) of a brake booster (10). The poppet valve controls fluid communication between a first chamber (18) and a second chamber (20) in the booster while the control valve only controls fluid communication between the bore and the second chamber.</p> |
