发明申请
US20100288119A1 BRAKE SERVO 有权
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BRAKE SERVO
摘要:
A brake servo whose valve piston has a concentric sealing seat which projects axially beyond a second sealing seat, with the concentric sealing seat having at least one recess for throttling the air volume flow. The controllability and also the noise characteristics of the brake servo can be improved in this way.
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