# US 2017/0284263 A1 · Emissions Control Substrate > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0284263 A1 - Document ID: US20170284263A1 - Status: Published application - Kind: A1 - Application number: 15/085,326 - Filed: 2016-03-30 - Published: 2017-10-05 - Earliest claimed: 2016-03-30 - Assignees: DENSO International America, Inc. - Applicants: DENSO International America, Inc. - Inventors: Patrick POWELL - Web page: https://patentgrep.com/patent/US20170284263A1 ## CPC - F01N 3/2807: {Metal other than sintered metal (F01N3/2832 and F01N3/2835 take precedence)} - B01D 53/944: {Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts (three-way-catalysts [TWC] B01D53/9445)} - F01N 3/021: by means of filters - F01N 3/0234: {using heat exchange means in the exhaust line} - B01D 2251/2067: Urea - B01D 2255/1021: Platinum - B01D 2255/1023: Palladium - B01D 2255/1025: Rhodium - B01D 2255/2065: Cerium - B01D 2255/2073: Manganese - B01D 2255/20738: Iron - B01D 2255/20753: Nickel - B01D 2255/20761: Copper - B01D 2257/404: Nitrogen oxides other than dinitrogen oxide - F01N: GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES (arrangements in connection with gas exhaust of propulsion units in vehicles B60K13/00; combustion-air intake silencers specially adapted for, or arranged on, internal-combustion engines F02M35/00; protecting against, or damping, noise in general G10K11/16) - B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28) ## Abstract An emissions control substrate. The emissions control substrate includes a first end and a second end opposite to the first end. A plurality of channels extend between the first end and the second end, and are configured to direct exhaust from an engine through the substrate. The emissions control substrate is three-dimensionally printed ## Claims ### Claim 1 An emissions control substrate comprising: a first end and a second end opposite to the first end; a plurality of channels extending between the first end and the second end and configured to direct exhaust from an engine through the emissions control substrate; wherein the emissions control substrate is three-dimensionally printed. ### Claim 2 (depends on 1) The emissions control substrate of claim 1, wherein the emissions control substrate is a catalytic converter. ### Claim 3 (depends on 1) The emissions control substrate of claim 1, wherein the emissions control substrate is a diesel particulate filter. ### Claim 4 (depends on 1) The emissions control substrate of claim 1, wherein the plurality of channels are defined by ceramic sidewalls of the emissions control substrate that are permeable to exhaust. ### Claim 5 (depends on 1) The emissions control substrate of claim 1, wherein the plurality of channels extend linearly between the first end and the second end, and parallel to a longitudinal axis of the substrate. ### Claim 6 (depends on 1) The emissions control substrate of claim 1, wherein the plurality of channels continuously curve along lengths thereof as the plurality of channels extend between the first end and the second end. ### Claim 7 (depends on 1) The emissions control substrate of claim 1, wherein each one of the plurality of channels includes an offset portion along a length thereof that is curved and linearly offset from a first end and a second end of each one of the plurality of channels. ### Claim 8 (depends on 1) The emissions control substrate of claim 1, wherein each one of the plurality of channels defines one or more of the following shapes in cross-section: circular; oval; square; rectangular; triangular; and hexagonal. ### Claim 9 (depends on 1) The emissions control substrate of claim 1, wherein at least some of the plurality of channels include plugs along lengths thereof configured to restrict flow of exhaust through the plugs and force exhaust through sidewalls of the plurality of channels. ### Claim 10 (depends on 1) The emissions control substrate of claim 1, wherein: sidewalls of the plurality of channels include ceramic; and a metallic layer on the sidewalls includes a metallic catalyst configured to catalyze at least one of diesel particulate filter regeneration and conversion of carbon monoxide, hydrocarbons, and nitrogen oxides to carbon dioxide, water vapor, and nitrogen gas. ### Claim 11 (depends on 10) The emissions control substrate of claim 10, wherein the sidewalls include cordierite, and the metallic catalyst includes a precious metal including at least one of the following: platinum; palladium; rhodium; cerium; iron; manganese; nickel; and copper. ### Claim 12 (depends on 1) The emissions control substrate of claim 1, further comprising a metallic layer directly deposited on sidewalls of the plurality of channels by three-dimensional printing. ### Claim 13 (depends on 1) The emissions control substrate of claim 1, further comprising a metallic layer on sidewalls of the plurality of channels and a transition zone therebetween; wherein the transition zone includes the metallic layer and ceramic of the sidewalls. ### Claim 14 (depends on 1) The emissions control substrate of claim 1, further comprising a heating element embedded within the emissions control substrate. ### Claim 15 (depends on 1) The emissions control substrate of claim 1, further comprising fluid flow paths extending through the emissions control substrate. ### Claim 16 (depends on 15) The emissions control substrate of claim 15, wherein the fluid flow paths include a heating solution. ### Claim 17 (depends on 16) The emissions control substrate of claim 16, wherein the heating solution includes warming oil. ### Claim 18 (depends on 15) The emissions control substrate of claim 15, wherein the fluid flow paths include a chemical reductant configured to convert nitrogen oxide to molecular nitrogen and oxygen. ### Claim 19 (depends on 18) The emissions control substrate of claim 18, wherein the chemical reductant includes urea. ### Claim 20 (depends on 1) The emissions control substrate of claim 1, wherein the emissions control substrate is integrated with an outer exhaust chamber by three-dimensional printing.