Method for operating an internal combustion engine with gaseous fuel, computer program product and controller
By calculating quality indicators based on fuel rail pressure changes and injector opening times, the problem of uneven fuel injection in gaseous fuel internal combustion engines was solved, achieving uniform fuel distribution and improving the stability and emission performance of the internal combustion engine.
CN122407381APending Publication Date: 2026-07-17ROBERT BOSCH GMBH
Patent Information
- Application Number
- CN202610045180.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2025-01-16
- Filing Date
- 2026-01-14
- Publication Date
- 2026-07-17
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Figure CN122407381A_ABST
Abstract
在一种用于运行具有多个燃烧室（14）的内燃机（10）的方法中，从燃料轨（18）并且经由配属于相应的燃烧室（14）的燃料喷射器（20）通过喷入（32）来供应气态燃料，并且将气态燃料基本上持续地从燃料供应系统（16）供应给燃料轨（18）。提出的是，所述方法包括如下步骤：（a）在至少一个工作循环内获取燃料轨（18）中的压力的在喷入（32）到燃烧室（14）中时相应出现的压降；（b）获取相应的燃料喷射器（20）的配属于相应的压降的打开持续时间；（c）获取工作循环的总持续时间；（d）由所获取的压降、所获取的打开持续时间和所获取的总持续时间获取相应的质量指标（In）。
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Citation Information
Patent Citations
Method for operating an internal combustion engine and internal combustion engine
DE102021210001A1