| 摘要 |
The invention relates to oil filters for an internal combustion engine. The present filter comprises a casing, connected to a cover, and a main filtering element, accommodated inside the casing, and is additionally equipped with a non-return filtering valve consisting of: a convex support with lateral openings and an external flange, in which a spring-mounted frame containing slots is mounted; a ring, a spring and a valve plate, which are mounted on the central opening in the convex support; and filtering material, which is arranged on the surface of the spring-mounted frame and of the lateral part of the convex support. The invention prevents failure of the coupleability between the filtering element of the non-return valve, the non-return valve and the spring. |
