# US 10,309,329 B2 · Hybrid vehicle with exhaust filter and ECU permitting fuel cut > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,309,329 B2 - Document ID: US10309329B2 - Status: Granted - Kind: B2 - Application number: 15/783,617 - Filed: 2017-10-13 - Published: 2018-04-19 - Granted: 2019-06-04 - Earliest claimed: 2016-10-19 - Assignees: Toyota Jidosha Kabushiki Kaisha - Applicants: Toyota Jidosha Kabushiki Kaisha - Inventors: Asuka Tsunoda; Takashi Suzuki - Web page: https://patentgrep.com/patent/US10309329B2 ## CPC - F02D 41/029: {the exhaust gas treating apparatus being a particulate filter} - B60K 6/445: Differential gearing distribution type - B60W 10/04: including control of propulsion units - B60W 10/06: including control of combustion engines - B60W 10/08: including control of electric propulsion units, e.g. motors or generators - B60W 10/26: for electrical energy, e.g. batteries or capacitors - B60W 20/16: for reducing engine exhaust emissions - F02D 41/123: {the fuel injection being cut-off} - F02D 41/22: Safety or indicating devices for abnormal conditions {(in air/fuel ratio feedback systems F02D41/1495, in electric control linkage F02D11/107, in purge control systems F02M25/0809)} - F02N 11/0829: {related to special engine control, e.g. giving priority to engine warming-up or learning} - B60W 2510/068: Engine exhaust temperature - B60W 2510/244: Charge state - B60W 2530/12: Catalyst or filter state - B60W 2710/0627: Fuel flow rate - B60W 2710/244: Charge state - B60Y 2300/476: Regeneration of particle filters - F02D 2200/0802: Temperature of the exhaust gas treatment apparatus - F02D 2200/0812: Particle filter loading - F02N 2200/061: Battery state of charge [SOC] - Y02T 10/40: Engine management systems - Y02T 10/62: Hybrid vehicles - F02D: CONTROLLING COMBUSTION ENGINES (vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed B60K31/00; conjoint control of vehicle sub-units of different type or different function, road vehicle drive control systems for purposes other than the control of a single sub-unit B60W) - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - F02N: STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract In a hybrid vehicle including: an engine having an exhaust system in which a filter that removes particulate matter is provided; a motor configured to generate a driving force for the hybrid vehicle; a power storage device configured to exchange an electric power with the motor; and an electronic control unit configured to control the engine and the motor. When an accumulation amount of the particulate matter of the filter is equal to or more than a predetermined accumulation amount, the electronic control unit is configured to permit fuel cut of the engine when a temperature of the filter is lower than a predetermined temperature, and the electronic control unit is configured to prohibit the fuel cut of the engine when the temperature of the filter is equal to or higher than the predetermined temperature. ## Claims ### Claim 1 A hybrid vehicle comprising: an engine having an exhaust system in which a filter that removes particulate matter is provided; a motor configured to generate a driving force for the hybrid vehicle; a power storage device configured to exchange an electric power with the motor; and an electronic control unit configured to control the engine and the motor, wherein the electronic control unit is configured to permit fuel cut of the engine when an accumulation amount of the particulate matter of the filter is equal to or more than a predetermined accumulation amount and a temperature of the filter is lower than a predetermined temperature, and the electronic control unit is configured to prohibit the fuel cut of the engine when the accumulation amount of the particulate matter of the filter is equal to or more than the predetermined accumulation amount and the temperature of the filter is equal to or higher than the predetermined temperature, and thereafter, when a state of charge of the power storage device is higher than a predetermined state of charge, the electronic control unit is configured to permit a no-load operation of the engine. ### Claim 2 (depends on 1) The hybrid vehicle according to claim 1, further comprising a generator configured to generate an electric power by using power from the engine and exchange the electric power with the power storage device, wherein, when the accumulation amount of the particulate matter of the filter is equal to or more than the predetermined accumulation amount and the temperature of the filter is equal to or higher than the predetermined temperature, the electronic control unit is configured to permit a load operation or no-load operation of the engine when the state of charge of the power storage device is equal to or lower than the predetermined state of charge. ### Claim 3 (depends on 1) The hybrid vehicle according to claim 1, wherein the predetermined temperature is set to be lower when the accumulation amount of the particulate matter of the filter is large than when the accumulation amount of the particulate matter of the filter is small. ### Claim 4 (depends on 1) The hybrid vehicle according to claim 1, wherein the filter includes a base material which removes the particulate matter and a catalyst which cleans exhaust gas, the catalyst being formed integrally with the base material.