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2. 发明授权

US5799977A Gas generator for seat belt retracting power generating device 失效
标题翻译：气体发生器用于安全带收缩发电装置
公开(公告)号：US5799977A
公开(公告)日：1998-09-01
申请号：US552630
申请日：1995-11-03
申请人： Hitoshi Miyazaki , Hitoshi Kunii , Takashi Sato , Kazuya Saito
发明人： Hitoshi Miyazaki , Hitoshi Kunii , Takashi Sato , Kazuya Saito
IPC分类号： B60R22/46
CPC分类号： B60R22/4633
摘要： This invention relates to a gas generator for a seat belt retracting power generating device to supply power to an emergency retracting device of a seat belt retractor, and aims to reliably ignite an ignition agent and a driving agent by concentrating flames into a small-diameter passage when a primer is ignited, quickly supplying heat to a gas generating agent chamber, and preventing the ignition agent and driving agent within the gas generating agent chamber from being damped. This invention comprises a cylindrical casing with its one end open, a cylindrical holder chamber disposed at one end of the casing, a gas generating agent chamber which is communicated with the holder chamber via a shoulder formed on the inner wall of the casing and has a diameter smaller than the inner wall of the holder chamber, an ignition agent and a driving agent housed in the gas generating agent chamber, a primer holder which is housed in the holder chamber and has a primer chamber open toward one end of the casing, a caulking part which is formed at one end of the casing to hold the primer holder, a primer held within the primer chamber, and a small-diameter passage which is formed in the primer holder, communicates the gas generating agent chamber and the primer chamber, and has an inverted conical-shaped part having a tapered angle of 60 to 120 degrees formed at its end on the primer chamber side.
摘要翻译： PCT No.PCT / JP95 / 01272 Sec。 371日期1996年1月4日 102（e）日期1996年1月4日PCT归档1995年6月26日PCT公布。出版物WO96 / 00157 日本特开1996年1月4日本发明涉及一种用于安全带收回发电装置的气体发生器，用于向安全带卷收器的紧急收回装置供电，其目的是通过将火焰聚焦到可靠地点燃点火剂和驱动剂当底漆点燃时，小直径通道，迅速向气体发生剂室供热，并防止气体发生剂室内的点火剂和驱动剂被阻尼。本发明包括一端开口的圆柱形壳体，设置在壳体一端的圆柱形保持器室，气体发生剂室，其通过形成在壳体内壁上的肩部与保持室连通，并具有直径小于保持器室的内壁，容纳在气体发生剂室中的点燃剂和驱动剂，底座保持器，容纳在保持器室中并具有朝向壳体的一端开口的底漆室，在壳体的一端形成用于保持底漆保持件的铆接部，保持在底漆室内的底漆和形成在底漆保持件中的小直径通路，连通气体发生剂室和底漆室，并且具有在底漆室侧的端部处形成有锥形角度为60度至120度的倒锥形部分。

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