| 发明名称 |
Vacuum booster |
| 摘要 |
A vacuum booster which moderates a retraction speed of a valve seat member to restrain a contact noise between a key member retracting in a unitary manner with the valve seat member and a flange surface of a plunger. The vacuum booster includes a noise restriction device.
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| 申请公布号 |
US2006037469(A1) |
申请公布日期 |
2006.02.23 |
| 申请号 |
US20050258146 |
申请日期 |
2005.10.26 |
| 申请人 |
AISIN SEIKI KAUBUSHI KAISHA |
发明人 |
MIWA AKIHIKO;TSUBOUCHI KAORU;HIROTA NOBUYUKI;SAKAI TOMOYASU |
| 分类号 |
F15B9/10;B60T8/32;B60T13/57 |
主分类号 |
F15B9/10 |
| 代理机构 |
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代理人 |
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| 地址 |
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