# US 10,502,110 B2 · Regeneration system, vehicle comprising the same and regeneration method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,502,110 B2 - Document ID: US10502110B2 - Status: Granted - Kind: B2 - Application number: 16/110,402 - Filed: 2018-08-23 - Published: 2019-06-27 - Granted: 2019-12-10 - Earliest claimed: 2017-12-27 - Assignees: Hyundai Motor Company; Kia Motors Corporation - Applicants: Hyundai Motor Company; Kia Motors Corporation - Inventors: Michael Schreiber; Stefan Lang; Andreas Kapp - Web page: https://patentgrep.com/patent/US10502110B2 ## CPC - F01N 3/0885: {Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps} - F01N 3/0814: {combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts} - F01N 3/0842: {Nitrogen oxides} - F01N 3/0871: {using means for controlling, e.g. purging, the absorbents or adsorbents} - F01N 9/00: Electrical control of exhaust gas treating apparatus (monitoring or diagnostic devices for exhaust-gas treatment apparatus F01N11/00; conjoint electrical control of two or more combustion engine functions F02D43/00) - F01N 2430/06: by varying fuel-air ratio, e.g. by enriching fuel-air mixture - F01N 2900/0422: measuring the elapsed time - F01N 2900/10: said parameters being related to the vehicle or its components - F01N 2900/1614: NOx amount trapped in catalyst - Y02T 10/12: Improving ICE efficiencies - Y02T 10/40: Engine management systems - 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) - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A regeneration system of a combustion engine of a vehicle includes a speed control device configured to determine an acceleration time of the vehicle to a set speed, a NOx trap configured to reduce nitrogen oxides produced by the combustion engine, and a trigger configured to detect a loading level of the nitrogen oxides of the NOx trap in an exhaust gas produced by the combustion engine during operation. In further, the speed control device is configured to communicate with the trigger, wherein a regeneration of the NOx trap is configured to start in case the acceleration time of the vehicle to the set speed is at least equal to a regeneration time of the NOx trap at the loading level of the nitrogen oxides. ## Claims ### Claim 1 A regeneration system of a combustion engine of a vehicle comprising: a speed control device configured to determine an acceleration time of the vehicle to a set speed; a NOx trap configured to reduce nitrogen oxides produced by the combustion engine; and a trigger configured to detect a loading level of the nitrogen oxides of the NOx trap, wherein the speed control device is configured to communicate with the trigger, and wherein a regeneration of the NOx trap is configured to start in case the acceleration time of the vehicle to the set speed is at least equal to a regeneration time of the NOx trap at the loading level of the nitrogen oxides. ### Claim 2 (depends on 1) The regeneration system according to claim 1, wherein the loading level of the nitrogen oxides of the NOx trap is bigger than 40% with respect to a saturation level of the NOx trap. ### Claim 3 (depends on 2) The regeneration system according to claim 2, wherein the regeneration time of the NOx trap at the loading level of the nitrogen oxides is shorter than a further regeneration time of the NOx trap at the saturation level. ### Claim 4 (depends on 3) The regeneration system according to claim 3, wherein the regeneration time of the NOx trap at the loading level of the nitrogen oxides is at least two seconds shorter than the further regeneration time of the NOx trap at the saturation level. ### Claim 5 (depends on 1) The regeneration system according to claim 1, wherein the trigger is configured to control the regeneration of the NOx trap before and during an acceleration of the vehicle to the set speed. ### Claim 6 (depends on 1) The regeneration system according to claim 1, wherein the speed control device comprises a basic cruise control with respect to the set speed, an adaptive cruise control with respect to the set speed and/or an automated adaptive cruise control with respect to the set speed. ### Claim 7 (depends on 1) The regeneration system according to claim 1, wherein a vehicle comprises the regeneration system. ### Claim 8 A regeneration method of a combustion engine of a vehicle, the method comprising: determining an acceleration time of the vehicle to a set speed by a speed control device; reducing nitrogen oxides produced by the combustion engine by a NOx trap; detecting a loading level of the nitrogen oxides of the NOx trap by a trigger; and conducting a communication between the speed control device and the trigger, wherein a regeneration of the NOx trap starts when the determined acceleration time of the vehicle to the set speed is at least equal to a regeneration time of the NOx trap at the loading level of nitrogen oxides. ### Claim 9 (depends on 8) The regeneration method according to claim 8, wherein the regeneration of the NOx trap is controlled by the trigger before and during an acceleration of the vehicle to the set speed. ### Claim 10 (depends on 8) The regeneration method according to claim 8, wherein the step of determining the acceleration time of the vehicle to the set speed by the speed control device is conducted by a basic cruise control with respect to the set speed, an adaptive cruise control with respect to the set speed or an automated adaptive cruise control with respect to the set speed. ### Claim 11 (depends on 8) The regeneration method according to claim 8, wherein the regeneration of the NOx trap at the loading level of the nitrogen oxides is executed at least two seconds faster than a further regeneration time of the NOx trap at a saturation level.