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    • 8. 发明申请
    • Methods and Systems for Managing a Clearance Gap in a Piston Engine
    • 用于管理活塞发动机间隙的方法和系统
    • US20130167715A1
    • 2013-07-04
    • US13340543
    • 2011-12-29
    • John LawlerMatt Svrcek
    • John LawlerMatt Svrcek
    • F16J10/04
    • F02F1/004F02F1/02F02F1/14F02F1/16F02F1/18F02F3/28F02F2001/106
    • A piston engine may include a piston and cylinder assembly. A piston assembly may be configured to translate in a cylinder liner, which may form a bore in the cylinder. The cylinder liner may be deformable, and deformations of the cylinder liner may affect the clearance gap between the piston assembly and the cylinder. A liner fluid may be supplied to the cylinder liner to create a pressure differential across the liner, and a resulting deformation. The liner fluid may be used to provide cooling as well as liner deformation to control the clearance gap. A cylinder may include one or more fluid passages configured to provide heating, cooling, or both. A cylinder may include one or more localized heat sources such as, for example, electric resistance heaters or heating fluid passages.
    • 活塞发动机可以包括活塞和气缸组件。 活塞组件可以构造成在气缸套中平移,气缸套可以在气缸中形成孔。 气缸套可以是可变形的,并且气缸套的变形可能影响活塞组件和气缸之间的间隙。 可以将衬套流体供应到气缸套,以在衬套上产生压力差,并产生变形。 衬里流体可以用于提供冷却以及衬里变形以控制间隙。 气缸可以包括被配置为提供加热,冷却或两者的一个或多个流体通道。 气缸可以包括一个或多个局部热源,例如电阻加热器或加热流体通道。