Delphi International Operations Luxembourg S.a.r.l.

Borg Warner Luxembourg Automotive Systems Sa

Delphi Technologies, Inc.

Other

Honda Motor Co., Ltd.

Delphi Technologies IP Limited

Delphi Technologies Holding S.arl

Delphi Automotive Systems Luxembourg S.a.

Phinia Delphi Luxembourg Sarl

Julien Schmitt

Michael Parmentier

Venkata Jaya Sai Praneeth Ammanamanchi

Bart Hubert Schreurs

Alexandre M S Reis

Eric L P Michel

Alexandre Ms Reis

Joseph Engel

Eric Michel

Michael J Parmentier

A system for a direct current (DC) to DC converter, the system comprising one or more transformers, a first bridge driver connected to a primary side of the one or more transformers, a second bridge driver connected to a primary side of the one or more transformers, one or more primary configuration switches operable to configure the first bridge driver and the second bridge driver into each of a single driver configuration, a parallel driver configuration, and a series driver configuration, a first bridge rectifier connected to a secondary side of the one or more transformers, a second bridge rectifier connected to the secondary side of the one or more transformers, and one or more secondary configuration switches operable to configure the first bridge rectifier and the second bridge rectifier into each of a single rectifier configuration, a parallel rectifier configuration, and a series rectifier configuration.

Systems and methods for configurable primary and secondary DC-DC converter and battery charger

A system comprises: a high voltage (HV) direct current (DC) to DC converter (HVDC) including: one or more transformers; a bridge driver connected to a primary side of the one or more transformers; and one or more bridge rectifiers connected to a secondary side of the one or more transformers, the one or more bridge rectifiers including one or more bridge rectifier switches; a low voltage (LV) DC to DC converter (LVDC) connected to the HVDC; and a boost converter including: an inductor connected to the one or more bridge rectifier switches; and one or more boost configuration switches operable, in combination with the one or more bridge rectifier switches, to configure the boost converter into each of a bypass configuration and a boost configuration, to regulate a voltage at the LVDC.

Systems and methods for integrated boost in high voltage and low voltage power conversion for battery charger

A system for a direct current (DC) to DC converter, the system comprising one or more transformers, a bridge driver connected to a primary side of the one or more transformers, a first bridge rectifier connected to a secondary side of the one or more transformers, a second bridge rectifier connected to a secondary side of the one or more transformers, and one or more secondary configuration switches operable to configure the first bridge rectifier and the second bridge rectifier into each of a single rectifier configuration, a parallel rectifier configuration, and a series rectifier configuration.

Systems and methods for configurable DC-DC converter and battery charger

A method of controlling a catalytic exhaust system having a first catalytic unit located upstream of a second catalytic unit includes i) providing a relationship between the temperature of the first catalytic unit, an amount of NH3 stored in the second catalytic unit, and a corresponding limit value of the amount of NH3 permitted in the first catalytic unit; ii) measuring or estimating the amount of NH3 in the second catalytic unit; iii) measuring or estimating the temperature of the first catalytic unit; iv) using the relationship and measured/estimated parameters of steps ii and iii to provide the limit value for the amount of NH3 to be stored in the first catalytic unit; and v) using the parameter from iv in the control of the catalytic exhaust system.

Method of controlling a multi selective catalytic reduction system

A system of controlling ammonia levels in a catalytic exhaust system comprising:

Method of controlling ammonia levels in catalytic units

A method of controlling combustion in an internal combustion engine with exhaust after treatment device is proposed, wherein upon detection of a request for a regeneration event of the exhaust after treatment device, a regeneration combustion mode comprising a pilot injection and a retarded main injection is operated. During the regeneration combustion mode the injection timing of the main injection is controlled so that its retard is not later than a retard threshold that is determined as the maximum timing retard to provide the desired torque, but with an injected fuel quantity not exceeding a maximum fuel quantity given by a stored smoke-limit map.

Method of regenerating an exhaust after treatment device

A method of operating an internal combustion engine is proposed, the engine comprising an exhaust system with a DOC and a DPF and, downstream thereof a SCR catalyst. The ECU is configured to allow operation in at least one of a normal mode and a heat-up mode. A predicted temperature evolution of said second exhaust after treatment means is regularly determined based on a thermal model taking into account the thermal inertia of the exhaust system and having as input the current temperatures of the DOC/DPF and SCR. The predicted temperature evolution of SCR is indicative of the temperature that the SCR may reach during a simulated time period in case the operating mode. The engine operating mode is changed depending on the predicted temperature evolution.

Internal combustion engine with exhaust aftertreatment and its method of operation

A process for desulfation of a NOx adsorber in a diesel internal combustion engine exhaust system is disclosed, which comprises: determining an amount of post fuel (Q) required to reach a relatively rich target exhaust air fuel ratio (AFR) on the basis of a measured air flow; determining a heating-contributing fuel value (&#x3b7;Q) required to reach or maintain a target desulfation temperature in said NOx adsorber by way of an exothermal reaction; calculating a target air flow (Air) corresponding to the air flow required for a substantially stoichiometric combustion of a torque-contributing main fuel quantity (Q) together with said heating-contributing fuel value (&#x3b7;Q); and causing the engine to inject said post fuel amount (Q) and said main fuel quantity (Q) while controlling the air flow to meet said target air flow (Air).

Lean NOx trap desulfation process

A selective catalytic reduction (SCR) catalyst control system and method for an engine is disclosed. Urea injection to an SCR catalyst is determined based on an SCR catalyst model, which determines a value of stored NHin the SCR catalyst based on the NOengine emission value, the SCR catalyst temperature, the quantity of urea supplied to the SCR catalyst and a pre-determined efficiency of conversion of NOgases. A target value of stored NHand the value of stored NHin the SCR catalyst is then used to determine a stored NHdifferential, which is then used to calculate urea injection.

System and method for selective catalytic reduction control

An oxidation catalyst temperature control system and method for an engine having an exhaust means including an oxidation catalyst is provided. A post fuel calculation means calculates a value representing a post quantity of fuel to be introduced to generate an exothermic reaction in the oxidation catalyst based on a pre-determined desired outlet temperature of the oxidation catalyst, the calculation using a steady state model of the oxidation catalyst, the steady state model utilizing the exhaust mass flow rate and the inlet temperature of the oxidation catalyst and instruction means to instruct the post quantity of fuel to be introduced to the engine.

System and method for outlet temperature control of an oxidation catalyst

A method for controlling a selective catalytic reduction catalyst in an exhaust line of an internal combustion engine is disclosed, wherein the supply of a quantity of a gaseous ammonia reductant to the SCR catalyst uses a closed-loop SCR catalyst model coupled to a SCR-out NOx sensor that measures a SCR-out NOx emission value. The closed-loop SCR catalyst model uses a relationship linking the measured SCR-out NOx value to the NOx conversion efficiency and the ammonia slip. The actual NHemission value and/or an actual SCR-out NOx indicative value are computed based upon differentiation of said relationship.

Method for controlling a SCR catalyst

A method is specified for controlling a combustion engine in a motor vehicle, namely for optimally adjusting an air/fuel ratio which is distinguished in that the air/fuel ratio is the result of a regulation process. Individual aspects of the invention further address a regulation method particularly suitable for such regulation in consideration of the available input values and readings. For the purposes of supporting regulation, an adaptation method is specified which can also be used independently of the regulation method or with other regulation methods and which enables the regulation to be continuously adapted to the respective operating conditions, such as, for example, the engine operational performance, and signs of wear and tear and disruptions due to deposits etc. which accompany it.

Method and device for engine control in a motor vehicle

A method for engine control in a motor vehicle is specified, in particular a method for controlling a combustion engine in a motor vehicle, namely for optimally adjusting a quantity of exhaust gas, which is recirculated, in an exhaust gas recirculation branch, from an exhaust manifold situated after the engine on the output side to an intake manifold situated before the engine on the input side, and a device functioning according to the method, which enables controlling and, where applicable, regulation of the recirculated exhaust gas quantity, whereby the regulation, in a preferred embodiment of the invention, is supplemented with possibilities for parameter adaptation.

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Kuntzig, France

Julien Schmitt