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    • 4. 发明公开
    • HIGH PRESSURE MULTI-LOBE SEAL
    • HOCHDRUCKDICHTUNG MIT MEHREREN LIPPEN
    • EP1169584A4
    • 2005-07-20
    • EP00908570
    • 2000-02-09
    • AVM INC
    • BAUMAN WALTER DOUGLASCHAMBERLIN JAMES BEVANS ARCHIE LJEFFRIES MARK SROACH JACK R
    • F16F9/02F16F9/36F16J15/16F16J15/32F16J15/56
    • F16F9/0218F16F9/36F16F9/362F16J15/3236F16J15/56
    • A seal (12) that is particularly suitable for use in a gas spring (and other high pressure hydraulic and pneumatic sealing applications) and that minimizes leakage of relatively high pressure gas and lubricating oil from the rod end of the gas spring. The generally annular seal body (62) includes a radially inwardly dacing surface (64), force directing lobes (74, 76, 78, 82, 84) and either a plastic wiper insert or a wiper lobe (88) that are designed for minimizing the leakage of oil between the radially inwardly facing surface of the seal body and the adjacent, radially outwardly facing surface of the gas spring's piston rod, and that include a corner edge that projects radially inwardly beyond the plane of the seal body's radially inwardly facing surface. When the seal body is compressed for use in a gas spring and is thus subjected to the high-pressure gas, the induced stresses in the seal body result in the corner edge being forced against the adjacent surface of the piston rod to effectively prevent the leakage of oil therebetween. The permeation of gas axially through the seal body is minimized by the inclusion of a co-molded metal plate (106) in the seal body adjacent to the rod end of the seal body.
    • 特别适用于气弹簧(以及其他高压液压和气动密封应用)的密封件,并且可最大限度地减少相对高压气体和润滑油从气弹簧的杆端泄漏。 大体上环形的密封体包括径向向内的表面,其引导凸缘和塑料擦拭器插入件或擦拭器凸片,其被设计用于使密封体径向向内的表面与相邻的径向向外的泄漏最小化 气体弹簧的活塞杆的面对表面,并且包括径向向内突出超过密封体径向向内表面的平面的角边缘。 当密封体被压缩以用于气体弹簧并且因此受到高压气体时,密封体中的感应应力导致角部边缘被迫抵靠活塞杆的相邻表面以有效地防止泄漏 的油。 通过在与密封体的杆端相邻的密封体中包含共模塑金属板,使气体轴向穿过密封体的渗透被最小化。
    • 7. 发明专利
    • DE60041961D1
    • 2009-05-20
    • DE60041961
    • 2000-02-09
    • AVM INC
    • BAUMAN WALTER DOUGLASCHAMBERLIN JAMES BEVANS ARCHIE LJEFFRIES MARK SROACH JACK R
    • F16F9/36F16F9/02F16J15/16F16J15/32F16J15/56
    • A seal that is particularly suitable for use in a gas spring (and other high pressure hydraulic and pneumatic sealing applications) and that minimizes leakage of relatively high pressure gas and lubricating oil from the rod end of the gas spring. The generally annular seal body includes a radially inwardly facing surface, force directing lobes and either a plastic wiper insert or a wiper lobe that are designed for minimizing the leakage of oil between the radially inwardly facing surface of the seal body and the adjacent, radially outwardly facing surface of the gas spring's piston rod, and that include a corner edge that projects radially inwardly beyond the plane of the seal body's radially inwardly facing surface. When the seal body is compressed for use in a gas spring and is thus subjected to the high-pressure gas, the induced stresses in the seal body result in the corner edge being forced against the adjacent surface of the piston rod to effectively prevent the leaking of oil therebetween. The permeation of gas axially through the seal body is minimized by the inclusion of a co-molded metal plate in the seal body adjacent to the rod end of the seal body.