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    • 1. 发明授权
    • Seal for gas springs and the like
    • 气弹簧等的密封
    • US5895053A
    • 1999-04-20
    • US726124
    • 1996-10-04
    • Walter Douglas BaumanJames B. ChamberlinJack R. RoachMark S. JeffriesRichard M. Boyd
    • Walter Douglas BaumanJames B. ChamberlinJack R. RoachMark S. JeffriesRichard M. Boyd
    • F16F9/02F16F9/36F16J15/56F16J15/32
    • F16F9/362F16F9/0218F16J15/56
    • A seal that is particularly suitable for use in a gas spring and other high pressure hydraulic and pneumatic sealing applications and that minimizes the leakage of relatively high pressure gas and lubricating oil from the rod end of the gas spring or other applications. The generally annular seal body includes a number of convex sealing lobes on its radially inwardly and outwardly facing surfaces. All of the sealing lobes have a predetermined radius and project radially beyond the plane of their respective surfaces. The axial facing surfaces of the seal body are generally flat or non-concave. The seal also includes a wiper insert secured in a recess in one corner of the radially inwardly facing surface of the seal body. When the seal body is compressed between the relatively movable, annularly spaced piston rod and cylinder, the compression induced stress in the seal causes the seal body and insert to form an effective gas and oil seal.
    • 特别适用于气弹簧和其他高压液压和气动密封应用中的密封件,并且使气体弹簧或其他应用的杆端的相对高压气体和润滑油的泄漏最小化。 大致环形的密封体在其径向向内和向外的表面上包括多个凸形的密封凸角。 所有密封凸起具有预定的半径并且径向突出超出它们各自表面的平面。 密封体的轴向面是大致平坦的或非凹形的。 密封件还包括固定在密封体的径向向内的表面的一个角部的凹部中的擦拭器插入件。 当密封体在相对移动的,环形间隔开的活塞杆和气缸之间被压缩时,密封件中的压缩引起的应力使得密封体和插入件形成有效的气体和油封。
    • 2. 发明授权
    • Seal
    • 密封
    • US06179297B2
    • 2001-01-30
    • US09257333
    • 1999-02-25
    • Walter Douglas BaumanJames B. ChamberlinArchie L. EvansMark S. JeffriesJack R. Roach
    • Walter Douglas BaumanJames B. ChamberlinArchie L. EvansMark S. JeffriesJack R. Roach
    • F16J920
    • F16F9/0218F16F9/36F16F9/362F16J15/3236F16J15/56
    • 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.
    • 特别适用于气弹簧(和其他高压液压和气动密封应用)的密封件,并且能够最大程度地减少气弹簧杆端的相对高压气体和润滑油的泄漏。 大体上环形的密封体包括径向向内的表面,其作用是引导凸角和塑料擦拭器插入件或擦拭器凸片,其被设计用于最小化在密封体的径向向内的表面与相邻的径向向外的油之间的泄漏 气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 的油之间。 通过在与密封体的杆端相邻的密封体中包括共模塑金属板,使气体轴向穿过密封体的渗透被最小化。
    • 3. 发明授权
    • Seal for gas springs and the like
    • 气弹簧等的密封
    • US5921556A
    • 1999-07-13
    • US730225
    • 1996-10-15
    • Walter Douglas BaumanJames B. ChamberlinJack R. RoachMark S. Jeffries
    • Walter Douglas BaumanJames B. ChamberlinJack R. RoachMark S. Jeffries
    • F16F9/02F16F9/36F16J15/16F16J15/32F16J15/56
    • F16F9/362F16F9/0218F16F9/36F16J15/3236F16J15/56
    • A seal that is particularly suitable for use in a gas spring and other high pressure hydraulic and pneumatic sealing applications and that minimizes the leakage of relatively high pressure gas and lubricating oil from the rod end of the gas spring or the other applications. The generally annular seal body includes radially inwardly and outwardly facing surfaces and non-concave axial facing surfaces. Lobes for sealing, wiping and directing enhanced forces project radially beyond the planes of the radially inwardly and outwardly facing surfaces. The seal also includes a wiper insert that has a parabolic shaped radially outwardly facing surface and a radially inwardly facing surface, and that is secured in a recess adjacent to the front corner of the seal body's radially inwardly facing surface. When the seal body is compressed for use, the compression induced stresses in the seal body result in the formation of an effective gas and oil seal because, in part, one of the corners of the insert's radially inwardly facing surface is forced against the adjacent surface of the piston rod.
    • 一种特别适用于气弹簧和其他高压液压和气动密封应用的密封件,其最大限度地减少了来自气弹簧或其它应用的杆端的相对高压气体和润滑油的泄漏。 大致环形的密封体包括径向向内和向外的表面和非凹入的轴向面对表面。 用于密封,擦拭和引导增强力的凸耳径向伸出超出径向向内和向外表面的平面。 密封件还包括具有抛物面形状的径向向外表面和径向向内表面的擦拭器插入件,并且其固定在邻近密封体径向向内表面的前角的凹部中。 当密封体被压缩使用时,密封体中的压缩引起的应力导致形成有效的气体和油封,因为部分地,插入件径向向内的表面的角部之一被迫抵靠相邻的表面 的活塞杆。
    • 4. 发明授权
    • Seal for gas springs and the like
    • 气弹簧等的密封
    • US5921557A
    • 1999-07-13
    • US720954
    • 1996-10-04
    • Walter Douglas BaumanJames B. ChamberlinJack R. RoachMark S. Jeffries
    • Walter Douglas BaumanJames B. ChamberlinJack R. RoachMark S. Jeffries
    • F16F9/02F16F9/36F16J15/56F16J15/32
    • F16F9/362F16F9/0218F16J15/56
    • A seal that is particularly suitable for use in a gas spring and other high pressure hydraulic and pneumatic sealing applications and that minimizes the leakage of relatively high pressure gas and lubricating oil from the rod end of the gas spring or other application. The generally annular seal body includes a number of convex sealing lobes on its radially inwardly and outwardly facing surfaces. All of the sealing lobes have a predetermined radius and project radially beyond the plane of their respective surfaces. The axial facing surfaces of the seal body are generally flat or non-concave. The seal also includes a wiper insert secured in a recess in one corner of the radially inwardly facing surface of the seal body. When the seal body is compressed between the relatively movable, annularly spaced piston rod and cylinder of a gas spring or application, the compression induced stress in the seal causes the seal body and insert to form an effective gas and oil seal.
    • 一种特别适用于气弹簧和其他高压液压和气动密封应用的密封件,其最小化来自气弹簧或其他应用的杆端的相对高压气体和润滑油的泄漏。 大致环形的密封体在其径向向内和向外的表面上包括多个凸形的密封凸角。 所有密封凸起具有预定的半径并且径向突出超出它们各自表面的平面。 密封体的轴向面是大致平坦的或非凹形的。 密封件还包括固定在密封体的径向向内的表面的一个角部的凹部中的擦拭器插入件。 当密封体在相对移动的,环形间隔的活塞杆和气体弹簧或应用的气缸之间被压缩时,密封件中的压缩诱发应力使得密封体和插入件形成有效的气体和油封。