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Class Information
Number: 123/562
Name: Internal-combustion engines > Charge forming device (e.g., pollution control) > Supercharger > Multiple superchargers
Description: Subject matter having more than one pump or compressor which are used to feed air or mixture under pressure to a common internal-combustion engine.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8677749 Exhaust system for an internal combustion engine Mar. 25, 2014
8667794 Valve seat and gasket for exhaust bypass valve Mar. 11, 2014
8646270 Engine Feb. 11, 2014
8640458 Control strategy for an engine Feb. 4, 2014
8640459 Turbocharger control systems and methods for improved transient performance Feb. 4, 2014
8615999 Twin turbo assembly and method for operating a twin turbo assembly Dec. 31, 2013
8590306 Cooling device of turbocharger of engine for vehicle Nov. 26, 2013
8567192 System for controlling an air handling system including a dual-stage variable geometry turbocharger Oct. 29, 2013
8561404 Supercharged internal combustion engine Oct. 22, 2013
8544269 Engine Oct. 1, 2013
8534066 Two-stage turbocharged engine system Sep. 17, 2013
8522551 Apparatus for determining an abnormality of a control valve of an internal combustion engine Sep. 3, 2013
8511084 Method and system for a turbocharged engine Aug. 20, 2013
8511288 Method for operating an internal combustion engine Aug. 20, 2013
8499559 Two-stage turbo-charger engine system Aug. 6, 2013
8495876 Two-stage supercharging system with exhaust gas purification device for internal-combustion engine and method for controlling same Jul. 30, 2013
8490395 Turbine regulating valve system Jul. 23, 2013
8434306 Vehicular engine having turbocharger and vehicle including same May. 7, 2013
8429912 Dual turbocharged internal combustion engine system with compressor and turbine bypasses Apr. 30, 2013
8418680 Gas guide system for a combustion engine, a combustion engine and a method for operating the engine Apr. 16, 2013
8413441 Approach for identifying and responding to an unresponsive wastegate in a twin turbocharged engine Apr. 9, 2013
8407997 Multistep turbocharger arrangement Apr. 2, 2013
8397499 Methods and systems for turbocharger control Mar. 19, 2013
8397503 Turbocharged engine for vehicle Mar. 19, 2013
8365527 Drive unit with cooling circuit and separate heat recovery circuit Feb. 5, 2013
8359858 Twin turbocharged engine with reduced compressor imbalance and surge Jan. 29, 2013
8333073 Internal combustion engine with two-stage turbo charging system Dec. 18, 2012
8316642 Multi-stage turbocharger system Nov. 27, 2012
8307646 System using supplemental compressor for EGR Nov. 13, 2012
8307649 Arrangement of a two stage turbocharger system for an internal combustion engine Nov. 13, 2012
8302397 Mode transition systems and methods for a sequential turbocharger Nov. 6, 2012
8297054 Exhaust system having turbo-assisted high-pressure EGR Oct. 30, 2012
8281588 Turbomachine system and turbine therefor Oct. 9, 2012
8230684 Combustion engine breathing system including a compressor valve for a biturbo with cylinder deactivation Jul. 31, 2012
8215292 Internal combustion engine and working cycle Jul. 10, 2012
8209982 Internal combustion engine having two exhaust gas turbochargers connected in series Jul. 3, 2012
8201406 Control apparatus for internal combustion engine Jun. 19, 2012
8186159 Intake air cooler for dual-state turbocharging turbocompressed heat engine and corresponding air circuit May. 29, 2012
8176735 Control device for multi-stage turbochargers May. 15, 2012
8176736 EGR apparatuses, systems, and methods May. 15, 2012
8146359 Dual inlet turbocharger system for internal combustion engine Apr. 3, 2012
8141361 Natural gas fueled turbocharged internal combustion engine Mar. 27, 2012
8109257 Fluid selection valve unit, exhaust gas control valve having the same, and waste gate valve having the same Feb. 7, 2012
8099957 Dual-inlet supercharger for EGR flow control Jan. 24, 2012
8091357 System for recovering engine exhaust energy Jan. 10, 2012
8065878 Two phase exhaust for internal combustion engine Nov. 29, 2011
8033108 Two-stage supercharging system for internal combustion engine Oct. 11, 2011
8028525 Multistage exhaust turbocharger Oct. 4, 2011
8011186 Multi-stage turbocharger system Sep. 6, 2011
8001782 Approach for identifying and responding to an unresponsive wastegate in a twin turbocharged engine Aug. 23, 2011

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