The invention provides a valve body assembly with an auxiliary air hole. The valve body assembly comprises a valve body, a valve element assembly, an air filtering ring and a muffling ring; the valve element assembly, the air filtering ring and the muffling ring are installed in a center hole of the valve body, the valve body is provided with the auxiliary air hole communicated with the center hole, and the muffling ring is provided with a flange which can cover the auxiliary air hole. The invention further provides a vacuum booster. According to the valve body assembly with the auxiliary air hole and the vacuum booster, the boosting effect of the vacuum booster under the low temperature condition can be guaranteed.
Valve body assembly with auxiliary air hole and vacuum booster
2016-01-20
Patent
Electronic Resource
English
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
Vacuum booster structure, vacuum booster assembly and moving body with vacuum booster assembly
European Patent Office | 2020
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