Method of heating catalyst through system cooperation and vehicle
US12253037B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 12, 2023 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | Sep 12, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D2200/501
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method of heating catalyst through system cooperation implemented by a vehicle may enable the start of an engine of a part load among engine operation modes to heat a catalyst even in a cold quick acceleration situation with a lock-up CH control by locking up an engine clutch through system cooperation implemented by mutually exchanging information between controllers of an engine management system (EMS) and a hybrid control unit (HCU) by applying a lock-up CH control logic which retards a lock-up CH ignition angle compared to an idle CH control logic of the conventional method, thereby improving the regulation responsiveness, fuel efficiency, and merchantability relatively compared to the idle CH even while having the advantages of the idle CH in which quick lambda feedback control for an engine is possible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.