Reinforcing structure of cylinder barrel

Details Reinforcing structure of cylinder barrel Reinforcing structure of cylinder barrel

2006-04-26

2008-08-19

Stashick, Anthony (Department: 3781)

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

C220S581000, C220S587000, C138S150000, C156S380100

Reexamination Certificate

active

07412956

ABSTRACT:
A cylinder barrel (1) for housing a piston comprises a sheet metal liner (2) and a reinforcing structure (10) located outside the sheet metal liner (2). The reinforcing structure (10) comprises a glass-fiber-reinforcing layer (12) and a carbon-fiber-reinforcing layer (13). The glass-fiber-reinforcing layer (12) comprises a plain cloth (20) made of glass fiber covering the sheet metal liner (2). The carbon-fiber-reinforcing layer (13) comprises a carbon fiber string (31) wound around the outer circumference of the glass-fiber-reinforcing layer (12) along a spiral path. According to the this construction, the reinforcing structure (10) has a high flexibility which is required for preventing cracks in the reinforcing structure (10) while maintaining a high rigidity of the entire cylinder barrel (1).

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