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Joergl
Volker Joergl, Volker AT
| Patent application number | Description | Published |
|---|---|---|
| 20110061625 | EXHAUST THROTTLE-EGR VALVE MODULE FOR A DIESEL ENGINE - A valve assembly for use in an air management assembly having an engine, an exhaust side, and an intake side, where the valve assembly provides a housing, a plurality of openings in the housing, a valve in the housing, and an actuator operably connected to the valve. The housing is in fluid communication with the exhaust side and the intake side. The plurality of openings in the housing form at least one inlet and at least one outlet in the housing. The valve moves with respect to the plurality of openings. | 03-17-2011 |
Volker Joergl, Breitenfurt AT
| Patent application number | Description | Published |
|---|---|---|
| 20090132153 | CONTROLLING EXHAUST GAS RECIRCULATION IN A TURBOCHARGED COMPRESSION-IGNITION ENGINE SYSTEM - A method of controlling exhaust gas recirculation (EGR) in a turbocharged compression-ignition engine system including an engine, an induction subsystem in upstream communication with the engine, an exhaust subsystem in downstream communication with the engine, a high pressure EGR path between the exhaust and induction subsystems upstream of a turbocharger turbine and downstream of a turbocharger compressor, and a low pressure EGR path between the exhaust and induction subsystems downstream of the turbocharger turbine and upstream of the turbocharger compressor. A target total EGR fraction for compliance with exhaust emissions criteria is determined, then a target HP/LP EGR ratio is determined to optimize other engine system criteria within the constraints of the determined target total EGR fraction. | 05-21-2009 |
| 20110010079 | CONTROLLING EXHAUST GAS RECIRCULATION IN A TURBOCHARGED ENGINE SYSTEM - Methods and products for controlling exhaust gas recirculation. | 01-13-2011 |
Volker Joergl, Lake Orion, MI US
| Patent application number | Description | Published |
|---|---|---|
| 20100101226 | CONTROLLING EXHAUST GAS RECIRCULATION IN A TUROCHARGED COMPRESSION-IGNITION ENGINE SYSTEM - One embodiment of the invention may include a method of controlling exhaust gas recirculation (EGR) in a turbocharged compression-ignition engine system including a high pressure (HP) EGR path and a low pressure (LP) EGR path. The method may include determining a target total EGR fraction for compliance with exhaust emissions criteria, and determining a target HP/LP EGR ratio to optimize other engine system criteria within the constraints of the determined target total EGR fraction. The determining of the target HP/LP EGR ratio may include using at least engine speed and load as input to a base model to output a base EGR value, using at least one other engine system parameter as input to at least one adjustment model to output at least one EGR adjustment value, and adjusting the base EGR value with the at least one EGR adjustment value to generate at least one adjusted EGR value. | 04-29-2010 |
| 20100115944 | BOOST ASSIST DEVICE ENERGY CONSERVATION USING WINDMILLING - One embodiment includes windmilling a boost assist device by passing intake air through the boost assist device during operating modes where the device is not required to be operated (i.e., is not being actively powered). The windmilling effect will cause the boost assist device to rotate due to the windmilling effects of the air. This windmilling effect normally may not achieve full boost assist device operating speeds, but it will normally be sufficient to allow the boost assist device to avoid the high energy usage initial speed up phase of operation when the boost assist device is called upon to be actively powered. In one embodiment of the invention the windmilling conserves energy used to drive the boost assist device. | 05-13-2010 |