PATENT CLAIM ANALYSIS

Application Number: 15988400
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-12
Patent Classification: ["060", "295000"]

Abstract:
A method for regenerating a particulate filter in an exhaust system of an internal combustion engine. In a normal operation, the internal combustion engine is operated at a stoichiometric air/fuel ratio. To regenerate the particulate filter, it is provided that the air/fuel ratio be adjusted toward lean, and, at the same time, that the combustion in the combustion chambers of the internal combustion engine be stabilized by suitably adapting the ignition energy, the duration of ignition, and/or the ignition frequency, to prevent misfires and the associated uncontrolled entrainment of unburned fuel into the exhaust system. The inventive method for regenerating the particulate filter makes possible a more rapid and lower-emission regeneration of a particulate filter. Also, an internal combustion engine having an exhaust system and a control unit that is adapted for implementing a method according to the present invention.

Claim (Index 11):
An internal combustion engine ( 10 ) having\n at least one combustion chamber ( 14 ), at least one ignition element ( 12 ) configured at the combustion chamber ( 14 ) for externally supplying ignition to a combustion air mixture introduced into the at least one combustion chamber ( 14 ), an exhaust system ( 20 ) that is coupled to an exhaust ( 16 ) of the internal combustion engine ( 10 ), at least one particulate filter ( 24 ) and a three-way catalytic converter ( 26 ) or a four-way catalytic converter ( 26 ) being disposed in the exhaust system ( 20 ), a control unit ( 40 ) that is adapted for implementing a method according to  claim 1  when a machine-readable program code is executed on the control unit ( 40 ).

Metadata:
- Claim Count in Document: 23.0
- Percentile: 93.0
- Lexical Diversity: 2.05333
- Patent Class: 60.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['12599543', '12239124', '12638633', '13183936', '12638595']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7418916976687797
- 35 USC 102 Novelty (BERT): 0.5177485132488765
- Combined Prediction Score: 0.7194773792267894
- Mean Citation Score: 308.7814860000001
- Max Citation Score: 328.10834
- Similarity Product: 232.8713338856685

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test