发明公开
EP0763452A1 Pintle controlled orifice inflator
失效
Aufblasvorrichtung mit zapfengesteuerter Auslassvorrichtung
- 专利标题： Pintle controlled orifice inflator
- 专利标题（中）： Aufblasvorrichtung mit zapfengesteuerter Auslassvorrichtung
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申请号： EP96306446.4申请日： 1996-09-05
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公开(公告)号： EP0763452A1公开(公告)日： 1997-03-19
- 发明人: Johnson, Kelly B. , Hussey, Brett
- 申请人： MORTON INTERNATIONAL, INC.
- 申请人地址： 100 North Riverside Plaza, Randolph Street at the River Chicago, Illinois 60606 US
- 专利权人： MORTON INTERNATIONAL, INC.
- 当前专利权人： MORTON INTERNATIONAL, INC.
- 当前专利权人地址： 100 North Riverside Plaza, Randolph Street at the River Chicago, Illinois 60606 US
- 代理机构： Bankes, Stephen Charles Digby
- 优先权： US528972 19950915
- 主分类号： B60R21/26
- IPC分类号： B60R21/26 ; G05D7/01
摘要：
Vehicle airbag inflator including a container (12) accommodating a source of gas and a cylindrical diffuser (16) inside which a piston (60) with a curved pintle surface (62) is slidable against the force of a compression coil spring (70). When pressure within the container rises above a threshold value a burst disc (22) ruptures permitting gas to pass into an opening (24) and flow over the pintle surface (62) causing the piston to uncover gas outlet openings (40) in the diffuser (16). A piston guide pin (54) connected to a guide base (52) engages a cylindrical bore (68) in the piston (60). The gas source may include a store of pressurised gas, combustible gas generating material or a combination of both. The inflator can be designed to provide a customised, non-linear control of the flow of gas from the inflator.
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