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    • 2. 发明申请
    • SEALED BATTERY AND SAFETY VALVE
    • 密封电池和安全阀
    • US20140106187A1
    • 2014-04-17
    • US14124547
    • 2012-05-30
    • Kyouei MiuraShigeru MatsumotoShinji Hamada
    • Kyouei MiuraShigeru MatsumotoShinji Hamada
    • H01M2/12
    • H01M2/1229H01M2/1211
    • A sealed battery includes a return type safety valve. An annular projection that projects toward a valve body from a valve port is formed on a valve seat for the safety valve. The projection includes a first projection region and a second projection region that are defined by a shape of a tip of the projection and arranged in parallel in a circumferential direction of the valve port. The first projection region and second projection region have different curvature radii in a cross-section of the projection taken along an axial direction of the valve body. The pressure per unit area applied to the second projection region by the valve body is higher than the pressure per unit area applied to the first projection region by the valve body.
    • 密封电池包括回流型安全阀。 在安全阀的阀座上形成有从阀口向阀体突出的环形突起。 突起包括由突起的尖端形状限定的第一突出区域和第二突出区域,该第一突出区域和第二突出区域在阀口的圆周方向上平行布置。 第一突出区域和第二突出区域在沿阀体的轴向方向截取的突起的横截面中具有不同的曲率半径。 通过阀体施加到第二突出区域的单位面积的压力高于由阀体施加到第一突出区域的每单位面积的压力。
    • 3. 发明授权
    • Sealed battery and safety valve
    • 密封电池和安全阀
    • US09425448B2
    • 2016-08-23
    • US14124547
    • 2012-05-30
    • Kyouei MiuraShigeru MatsumotoShinji Hamada
    • Kyouei MiuraShigeru MatsumotoShinji Hamada
    • H01M2/12
    • H01M2/1229H01M2/1211
    • A sealed battery includes a return type safety valve. An annular projection that projects toward a valve body from a valve port is formed on a valve seat for the safety valve. The projection includes a first projection region and a second projection region that are defined by a shape of a tip of the projection and arranged in parallel in a circumferential direction of the valve port. The first projection region and second projection region have different curvature radii in a cross-section of the projection taken along an axial direction of the valve body. The pressure per unit area applied to the second projection region by the valve body is higher than the pressure per unit area applied to the first projection region by the valve body.
    • 密封电池包括回流型安全阀。 在安全阀的阀座上形成有从阀口向阀体突出的环形突起。 突起包括由突起的尖端形状限定的第一突出区域和第二突出区域,该第一突出区域和第二突出区域在阀口的圆周方向上平行布置。 第一突出区域和第二突出区域在沿阀体的轴向方向截取的突起的横截面中具有不同的曲率半径。 通过阀体施加到第二突出区域的单位面积的压力高于由阀体施加到第一突出区域的每单位面积的压力。