Abstract
Abnormal combustions occurred since the invention of internal combustion engines. Knock was intensively studied by researchers and engineers since this date. First patents were taken out on fuel quality (defined by octane index nowadays). After patents on sensors itself, engine settings were piloted to eliminate knock conditions in 1979-1980. Many companies followed this pathway. Latest patents on knock are reviewed. A highlight on a preventive protection (open loop control) is proposed for stationary engines fuelled natural gas, see Le Corre et al. [1]: this patent is a new concept in rupture with curative protection (closed loop control). Preventive protection is based on a gas quality sensor.
Keywords: Knock protection, abnormal combustions, internal combustion engine
Recent Patents on Engineering
Title: Abnormal Combustions in Internal Combustion Engines: Review on the Latest Patents Eliminating Knock Conditions
Volume: 4 Issue: 2
Author(s): O. Le Corre
Affiliation:
Keywords: Knock protection, abnormal combustions, internal combustion engine
Abstract: Abnormal combustions occurred since the invention of internal combustion engines. Knock was intensively studied by researchers and engineers since this date. First patents were taken out on fuel quality (defined by octane index nowadays). After patents on sensors itself, engine settings were piloted to eliminate knock conditions in 1979-1980. Many companies followed this pathway. Latest patents on knock are reviewed. A highlight on a preventive protection (open loop control) is proposed for stationary engines fuelled natural gas, see Le Corre et al. [1]: this patent is a new concept in rupture with curative protection (closed loop control). Preventive protection is based on a gas quality sensor.
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Cite this article as:
Le Corre O., Abnormal Combustions in Internal Combustion Engines: Review on the Latest Patents Eliminating Knock Conditions, Recent Patents on Engineering 2010; 4 (2) . https://dx.doi.org/10.2174/187221210791233407
DOI https://dx.doi.org/10.2174/187221210791233407 |
Print ISSN 1872-2121 |
Publisher Name Bentham Science Publisher |
Online ISSN 2212-4047 |
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