Piston for use in an engine

Details Piston for use in an engine Piston for use in an engine

F - Mech Eng,Light,Heat,Weapons

02

F

F02F 3/00 (2006.01) F01B 9/02 (2006.01) F02B 71/04 (2006.01)

Patent

CA 2333236

A piston (16) is provided for use in a free-piston engine (10) and includes a crown portion (48) having a predetermined thickness, a plunger connection portion (50) having a passage (66) extending therethrough along the axis of the piston (16) and being connected to the crown portion (48), a sealing portion (52) extending from the crown portion (48), and a strut portion (56) having a plurality of struts (86) disposed between the sealing portion (52) and the plunger connection portion (55). The piston (16) 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 (16) during use.

L'invention porte sur un piston (16) de moteur (10) à piston libre comportant: une couronne (48) d'une épaisseur donnée; un raccord de bielle (50) traversé par un passage (66) parallèle à l'axe du piston (16) et relié à la couronne (48); une partie assurant l'étanchéité (52) s'étendant à partir de la couronne (48); et une partie comportant une série de rayons (86) reliant la partie assurant l'étanchéité (52) au raccord de bielle (55). Ledit piston (16), compact, très résistant et léger, présente une grande efficacité de fonctionnement et de transfert de la chaleur dégagée par le piston (16) pendant la marche.

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