Method and device for determining combustion noise parameters
US11067010B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 2020 |
| Grant date | Jul 20, 2021 |
| Priority date | — |
| Expiry date | May 14, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method and a device for determining combustion noise parameters, comprising acquiring a cylinder pressure sequence which comprises cylinder pressures corresponding to different crank angles φ and corresponding moments tφ; calculating a first parameter sequence according to the cylinder pressure sequence, wherein the first parameter sequence is a parameter sequence in a time domain, and the first parameter sequence comprises one or more of a top surface cylinder force sequence, a top surface cylinder force rise rate sequence, a side surface cylinder force sequence and a side surface cylinder force rise rate sequence; and determining a target parameter for representing combustion noise in the cylinder according to the first parameter sequence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.