FIELD: machine building.
SUBSTANCE: composite piston ring for internal combustion engines or compressor contains laminar rings with thickness 1 mm. Between laminar rings spring spreader is installed, it is made all-bent with rectangular cross-section out of metal tape. Between the laminar rings on the external surface of the spring spreader additionally spring insert is installed in form of helical cylindrical spring with square cross-section with rounded edges, made out of wire with thickness 1.5 mm. The spring spreader 1 is made in form of corrugated steel tape, its width is equal to distance between laminar rings.
EFFECT: invention improves reliability of the device.
5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| BUILTUP PISTON RING | 1998 |
|
RU2145018C1 |
| COMPOUND PISTON RING | 1989 |
|
RU2028485C1 |
| MULTIPIECE PISTON RING | 2000 |
|
RU2177569C2 |
| SECTIONAL PISTON RING | 2004 |
|
RU2272949C2 |
| PISTON PACKING FOR IC-ENGINE | 0 |
|
SU1534198A1 |
| PISTON RING WITH ADDITIONAL RADIAL FLEXIBILITY | 2009 |
|
RU2399819C1 |
| PISTON RING WITH AUXILIARY RADIAL FLEXIBILITY | 2011 |
|
RU2451852C1 |
| EXPANDER FOR PISTON RING | 0 |
|
SU1747729A1 |
| PISTON RING WITH AUXILIARY RADIAL SPRING POWER | 2012 |
|
RU2516764C1 |
| 0 |
|
SU418658A1 |
