PATENT CLAIM ANALYSIS

Application Number: 15892149
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2019-03
Patent Classification: ["060", "274000"]

Abstract:
Particulate accumulation in a particulate filter in the exhaust line of an engine is calculated by an electronic engine control unit. When the estimated accumulated particulate mass exceeds a predetermined threshold, an automatic regeneration step of the filter is activated. An actual instantaneous burned particulate mass is calculated as a function of values indicative of the state of the filter. A temporary correction factor representing an error between a theoretical value and the actual value is calculated. The temporary correction factor is stored in a second map of correction factors, based on the engine operating conditions. During an accumulation step, the estimated instantaneous particulate mass, calculated according to the first map based on the operating conditions of the engine, is multiplied by a correction factor calculated according to the second map based on the operating conditions of the engine.

Claim (Index 1):
A method for controlling a Diesel engine system, comprising a particulate filter interposed in the exhaust line of the engine, and an electronic engine control unit for controlling a plurality of fuel injectors associated with the cylinders of the engine, wherein\u2014when an estimated accumulated particulate mass in said filter reaches a predetermined threshold\u2014a control mode of the injectors is activated, which causes the start of an automatic regeneration step of the filter, by an increase in the temperature of the exhaust gases sent to the filter sufficient to burn the particulate in the filter, said estimated accumulated particulate mass being calculated as the sum of estimated instantaneous accumulated particulate masses calculated according to a first map based on engine operating conditions,\n wherein, during said regeneration step, the method comprises:\n receiving values indicative of the state of the particulate filter, \n calculating, as a function of said values indicative of the state of the filter, an actual instantaneous burned particulate mass, \n summing the actual instantaneous burned particulate masses, \n calculating a temporary correction factor as a function of said sum of actual instantaneous burned particulate masses and of said sum of estimated instantaneous accumulated particulate masses, the temporary correction factor being representative of an error between said theoretical value and said actual value, \n updating at least one correction factor, included in a second map, as a function of said temporary correction factor and engine operating conditions which have occurred during an accumulation step, and \n during the accumulation step, multiplying said estimated instantaneous particulate mass, calculated according to said first map and said engine operating conditions, by a correction factor calculated according to said second map and said engine operating conditions.

Metadata:
- Claim Count in Document: 2.0
- Percentile: 88.0
- Lexical Diversity: 2.34375
- Patent Class: 60.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['14729338', '13872871', '15235759', '11667761', '12324090']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7002477996979328
- 35 USC 102 Novelty (BERT): 0.4837568548833216
- Combined Prediction Score: 0.6785987052164717
- Mean Citation Score: 249.62666600000003
- Max Citation Score: 277.46912000000003
- Similarity Product: 266.7783362281037

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test