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Published in:
Nov 12,2021
The utility model discloses a novel engine sealing ring, comprising an outer elastic layer, wherein the outer part of the outer elastic layer is integrally connected with a sealing wing
The utility model discloses a novel engine sealing ring, comprising an outer elastic layer, wherein the outer part of the outer elastic layer is integrally connected with a sealing wing, and the inner part of the outer elastic layer is wrapped with an inner elastic layer. The inner part of the inner elastic layer is provided with a metal wire skeleton, and the inner part of the inner elastic layer is wrapped with expansion rings located on both sides of the metal wire skeleton. The interior of the expansion ring is provided with a filling chamber, and the interior of the filling chamber is filled with a thermal expansion medium. By setting up a filling chamber and filling it with a thermal expansion medium, the sealing ring is placed in the sealing groove of the engine cylinder block and cylinder head. After the engine is started, as the temperature increases, the internal pressure also increases. The increased temperature can cause the thermal expansion medium in the filling chamber to expand. Then, through the expanded thermal expansion medium, the expansion ring expands, and the outer elastic layer is pressed against the sealing groove, increasing the sealing performance.
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