| 摘要 |
FIELD: piston systems. SUBSTANCE: piston seal includes sealing rings laid in piston grooves and flexible members for pressing these rings to cylinder wall where piston is located. Each sealing ring is sectional: it consists of at least two adjoining parts at outer radius equal to inner radius of cylinder. Flexible members are arranged inside piston. EFFECT: smooth pressing of seal to cylinder wall at minimum pressing forces. 7 cl, 4 dwg
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