Patent ID: 9566544
Date: 2017-02-14
CPC Classifications: B01D,F01N,Y02T,Y10T

Claim:
1. A honeycomb structure comprising: a first end surface and a second end surface facing each other; and partition walls that form a plurality of A channels and a plurality of B channels extending in a facing direction between the first end surface and the second end surface, wherein the plurality of A channels are open at the first end surface and closed at the second end surface, the plurality of B channels are closed at the first end surface and open at the second end surface, the plurality of B channels include a first B channel and a second B channel extending substantially parallel to each other, the plurality of A channels include a plurality of first A channels that surround the first B channel at the first end surface and a plurality of second A channels that surround the second B channel at the first end surface, the plurality of first A channels are adjacent to the first B channel but are not adjacent to the second B channel at the first end surface, the plurality of second A channels are adjacent to the second B channel but are not adjacent to the first B channel at the first end surface, and the partition walls include a first standard wall that separates the plurality of first A channels and the first B channel from each other, a second standard wall that separates the plurality of second A channels and the second B channel from each other, a first common wall that separates adjacent two of the first A channels from each other, a second common wall that separates adjacent two of the second A channels from each other, and a first partition wall that separates adjacent channels of the first A channels and the second A channels from each other, wherein the first partition wall is thinner than the first standard wall and the second standard wall.