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    • 2. 发明授权
    • Piston ring assembly
    • 活塞环总成
    • US4108448A
    • 1978-08-22
    • US736676
    • 1976-10-28
    • George J. AndersonRoscoe Lee Bell
    • George J. AndersonRoscoe Lee Bell
    • F16J9/06F16J9/02
    • F16J9/063
    • Disclosed is a piston ring including a spacer-expander spring member. In a preferred embodiment the ring is of cast iron and includes two axially spaced cylinder wall contacting lands. At least one generally rectangular inwardly facing spring receiving recess is formed in the interior wall of the ring to receive the spring member which is formed from a flat strip of metal in a "U" configuration with the legs thereof facing outwardly, peferably aligned with the lands on the ring. A plurality of slots are provided in the spring member dividing the periphery into a plurality of feet. In a preferred embodiment the feet are radiused as seen in plan view to a radius less than the radius of the pocket in which they fit. This has been found to reduce wear in the spring receiving groove and to reduce the tendency of the ring and spring to become united which is detrimental to performance and is a common problem in rings of this general type.
    • 公开了一种包括间隔件 - 膨胀器弹簧构件的活塞环。 在优选实施例中,环是铸铁,并且包括两个轴向隔开的气缸壁接触平台。 在环的内壁中形成至少一个大致矩形的面向内的弹簧容纳凹部,以容纳弹簧构件,弹簧构件由“U”构型的金属扁平条形成,其腿部朝向外侧, 登陆环 在弹簧构件中设置有多个狭槽,该弹簧构件将外围部分分成多个脚。 在优选实施例中,脚在平面图中看到的是半径小于其配合的口袋的半径的半径。 已经发现这样做可以减少弹簧接收槽中的磨损,并且减小环和弹簧变得结合的倾向,这对性能是不利的,并且是这种一般类型的环中的常见问题。
    • 6. 发明授权
    • Method of making a spacer-expander spring for a piston ring assembly
    • 制造用于活塞环组件的间隔件 - 膨胀弹簧的方法
    • US4182014A
    • 1980-01-08
    • US888119
    • 1978-03-20
    • George J. AndersonRoscoe L. Bell
    • George J. AndersonRoscoe L. Bell
    • B23P15/08F16J9/06B21F35/04
    • B23P15/08F16J9/063Y10S29/026Y10T29/49274Y10T29/49611Y10T29/49996
    • Disclosed is a piston ring including a spacer-expander spring member. In a preferred embodiment the ring is of cast iron and includes two axially spaced cylinder wall contacting lands. At least one generally rectangular inwardly facing spring receiving recess is formed in the interior wall of the ring to receive the spring member which is formed from a flat strip of metal in a "U" configuration with the legs thereof facing outwardly, preferably aligned with the lands on the ring. A plurality of slots are provided in the spring member dividing the periphery into a plurality of feet. In a preferred embodiment the feet are radiused as seen in plan view to a radius less than the radius of the pocket in which they fit. This has been found to reduce wear in the spring receiving groove and to reduce the tendency of the ring and spring to become united which is detrimental to performance and is a common problem in rings of this general type.
    • 公开了一种包括间隔件 - 膨胀器弹簧构件的活塞环。 在优选实施例中,环是铸铁,并且包括两个轴向隔开的气缸壁接触平台。 在环的内壁中形成至少一个大致矩形的面向内的弹簧容纳凹部,以容纳弹簧构件,弹簧构件由“U”构型的金属扁平条形成,其腿部面向外,优选地与 登陆环 在弹簧构件中设置有多个狭槽,该弹簧构件将外围部分分成多个脚。 在优选实施例中,脚在平面图中看到的是半径小于其配合的口袋的半径的半径。 已经发现这样做可以减少弹簧接收槽中的磨损,并且减小环和弹簧变得结合的倾向,这对性能是不利的,并且是这种一般类型的环中的常见问题。