Direct wall flow formula porcelain filter who combines together with intersection hole sealing

The utility model discloses a direct wall flow formula porcelain filter who combines together with intersection hole sealing, including the porcelain filter main part, the porcelain filter main part has the through -hole that runs through its main part, the through -hole that is located on the coplanar includes hole sealing portion through -hole and direct portion through -hole. The both ends one end hole sealing of hole sealing portion through -hole and the other end is direct, direct portion through -hole both ends are all direct. Hole sealing portion through -hole, the adjacent hole sealing of two through -holes of same terminal surface and another be the hole sealing not. Direct portion through -hole account for on the coplanar direct portion's through -hole and hole sealing portion through -hole the total 5%-20%. Adopt the utility model discloses a design, it is poor to have overcome china's oil, adopts whole alternately hole sealing modes easily to lead to the problem of blockking up, has improved wall flow formula porcelain filter's life, satisfies 5 standards in the diesel engine exhaust emissions europe simultaneously at least.