Composite oil scraper ring
The ring comprises plate-like rings 1 and a tangential expander 2 in the form of a serpentine annular spring 12 having portions 10 which engage the rings 1 so that rings 1 are pressed against cylinder walls 6 and the wall of the groove 3 in the piston. A mathematical requirement is specified for the...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The ring comprises plate-like rings 1 and a tangential expander 2 in the form of a serpentine annular spring 12 having portions 10 which engage the rings 1 so that rings 1 are pressed against cylinder walls 6 and the wall of the groove 3 in the piston. A mathematical requirement is specified for the pitch of the serpentine spring. |
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