公开(公告)号：US6076506A

公开(公告)日：2000-06-20

申请号：US82135

申请日：1998-05-20

Applicant: Willibald G. Berlinger ,  T. Pin P. Shyu ,  John M. Sloma

Inventor： Willibald G. Berlinger ,  T. Pin P. Shyu ,  John M. Sloma

IPC: F01B9/02 ,  F01B11/00 ,  F02B71/04 ,  F02F3/00 ,  F04B17/00

CPC classification number: F02F3/00 ,  F01B9/026 ,  F02B71/045 ,  F05C2201/021 ,  F05C2201/0448

Abstract: A piston is provided for use in a free-piston engine and includes a crown portion having a predetermined thickness, a plunger connection portion having a passage extending therethrough along the axis of the piston and being connected to the crown portion, a sealing portion extending from the crown portion, and a strut portion having a plurality of struts disposed between the sealing portion and the plunger connection portion. The piston of the subject invention provides a compact, high strength, low weight design that is effective in use to provide efficient operation and effectively conduct heat from the piston during use.

Abstract translation: 提供用于自由活塞发动机的活塞并且包括具有预定厚度的冠部部分，柱塞连接部分具有沿着活塞轴线延伸穿过的通道并且连接到冠部部分，该密封部分从 冠部，以及具有设置在密封部和柱塞连接部之间的多个支柱的支柱部。 本发明的活塞提供了紧凑，高强度，低重量的设计，其在使用中有效地提供有效的操作并且有效地从活塞传导热量。