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    • 1. 发明申请
    • LIQUID PROPELLANT AIRBAG INFLATOR
    • 液体推进式安全气囊充气机
    • WO98033683A1
    • 1998-08-06
    • PCT/US1998/001790
    • 1998-02-02
    • B01J7/02B60R21/263B60R21/264B60R21/28B60R21/26
    • B60R21/264B60R2021/2636
    • An airbag inflator (20) includes a pair of telescoping pistons (28, 52) slidingly mounted within a housing (22). Pressurization of a combustion chamber (50) by a pyrotechnic initiator (38) acts on one piston to pressurize a hydraulic fluid chamber (58), which, in turn, acts on the other piston to pressurize a liquid propellant reservoir (54). Liquid propellant can then be regeneratively pumped from the reservoir into the combustion chamber for combustion to generate an airbag inflation gas. A hydraulic fluid damping chamber (62) is utilized to exert a controllable retarding force on the one piston, such as to control the rate of airbag inflation gas generation.
    • 气囊充气机(20)包括滑动地安装在壳体(22)内的一对伸缩活塞(28,52)。 通过烟火引发器(38)对燃烧室(50)的加压作用在一个活塞上以对液压流体室(58)加压,而液压流体室又作用在另一活塞上以对液体推进剂储存器(54)加压。 然后可以将液体推进剂从储存器再生地泵送到燃烧室中用于燃烧以产生气囊充气气体。 使用液压流体阻尼室(62)在一个活塞上施加可控制的延迟力,以便控制气囊膨胀气体产生的速率。
    • 4. 发明申请
    • GAS GENERATOR EQUIPPED WITH A VARIABLE VOLUME COMBUSTION CHAMBER
    • 燃气发电机配有可变气体燃烧室
    • WO2007025965A1
    • 2007-03-08
    • PCT/EP2006/065772
    • 2006-08-29
    • AUTOLIV DEVELOPMENT ABPATTON, YvonnigABAZIOU, Xavier
    • PATTON, YvonnigABAZIOU, Xavier
    • B60R21/26
    • B60R21/264B60R2021/2636
    • The present invention relates to a gas generator for a motor vehicle safety device, which comprises: a first combustion chamber (C) containing a pyrotechnic initiator (2) and a pyrotecnnic charge (3), combustion of which is triggered by said initiator; - a second diffusion chamber (D), into which the gases resulting from combustion of said charge (3) are transferred prior to discharge thereof toward the outside, - these two chambers (C, D) being separated from one another by a "nozzle" type partition (12), which has a communication orifice (120). It is characterized substantially in that said combustion chamber contains means (5; 6) capable of varying the volume thereof in operation, as a function of the temperature, namely said volume increases when the temperature increases and vice versa without modification of the overall volume of said generator.
    • 本发明涉及一种用于机动车辆安全装置的气体发生器,其包括:包含烟火引发器(2)的第一燃烧室(C)和由所述引发器触发的火焰燃料(3); - 第二扩散室(D),其中由所述电荷(3)的燃烧产生的气体在其向外部排放之前被转移到其中 - 这两个室(C,D)通过“喷嘴 “型隔板(12),其具有连通孔(120)。 它的特征基本上在于,所述燃烧室包含能够在操作中改变其体积的装置(5; 6),作为温度的函数,即当温度升高时,所述体积增加,反之亦然,而不改变总体积 说发电机。
    • 6. 发明申请
    • INFLATOR CAPABLE OF MODULATING AIRBAG INFLATION RATE IN A VEHICLE OCCUPANT RESTRAINT APPARATUS
    • 在车辆使用限制装置中调节安全气囊充气速度的充气员
    • WO98033684A1
    • 1998-08-06
    • PCT/US1998/001800
    • 1998-02-02
    • B60R21/16B60R21/263B60R21/264B60R21/28B60R21/26
    • B60R21/264B60R2021/2636
    • In an occupant restraint apparatus for installation in a vehicle, a smart airbag inflator (14) is provided with a piston (30) for regeneratively pumping liquid propellant from a reservoir (49) into a combustion chamber (48) for ignition and combustion to generate airbag inflation gases. To control the airbag inflation rate, the piston includes a piston head (32) slidingly received in a damping chamber (46) filled with a magneto-rheological fluid (83) that is pumped through an orifice (92) during the regenerative pumping stroke of the piston. An electromagnet (86) is selectively energized to produce a varying magnetic field to adjust the viscosity of the magneto-rheological fluid flowing through the orifice and thus vary a damping force exerted on the piston stroke, thereby modulating the rate of liquid propellant combustion. Electromagnet current excitation is controlled in response to a particular accident scenario.
    • 在用于安装在车辆中的乘员约束装置中,智能气囊充气机(14)设置有活塞(30),用于将液体推进剂从贮存器(49)再生地泵送到用于点燃和燃烧的燃烧室(48)中,以产生 气囊膨胀气体。 为了控制气囊膨胀率,活塞包括滑动地容纳在填充有磁流变流体(83)的阻尼室(46)中的活塞头(32),该磁流变流体在再生泵送冲程期间泵送通过孔口(92) 活塞。 电磁体(86)被选择性地通电以产生变化的磁场,以调节流过孔的磁流变流体的粘度,从而改变施加在活塞行程上的阻尼力,由此调节液体推进剂燃烧的速率。 响应特定的事故情况控制电磁铁电流励磁。