RING GROOVE IN PISTON

RING GROOVE IN PISTON

PROBLEM TO BE SOLVED: To reduce blow-by gas while maintaining a two ring constitution without increasing oil consumption. SOLUTION: This piston is provided with an inclination from 10 degrees to 50 degrees upward and outward from inside on an upper face 21 of a ring groove inserted with a roughly re...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: SHIROMIZU SAKYO, FUJIMURA KAZUHIRO
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
CYLINDERS
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PISTONS
SEALINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To reduce blow-by gas while maintaining a two ring constitution without increasing oil consumption. SOLUTION: This piston is provided with an inclination from 10 degrees to 50 degrees upward and outward from inside on an upper face 21 of a ring groove inserted with a roughly rectangular compression ring 3. Thereby, gas pressure inside a combustion chamber seeps in on the whole surface of a ring upper face and the pressure ring 3 is pressed against a ring groove lower face 22 for improving sealability, and flopping is prevented because a gap nearer to an inner diameter is small.