Inventor · disambiguated record
Allen B. Rayl
Also filed as: RAYL ALLEN B · RAYL JR ALLEN B
45 granted patents·522 citations·filing 2002–2018
98Inventor score
Files withGM GLOBAL TECH OPERATIONS INC11GEN MOTORS CORP10GM GLOBAL TECH OPERATIONS LLC7RAYL ALLEN B7RAMAPPAN VIJAY2
Top patents by PatentIndex Score
45 records- 0197US6655353B1Cylinder deactivation engine control system with torque matchingGEN MOTORS CORP·Filed 2002·Granted Dec 2, 2003·93 cites·25 claims
- 0296US8631688B1System and method for detecting a fault in a pressure sensor that measures pressure in a hydraulic valve actuation systemRAYL ALLEN B·Filed 2012·Granted Jan 21, 2014·20 cites·20 claims
- 0394US10094312B2Method to adjust an oil control valve actuation response time using cylinder valve diagnosticsGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Oct 9, 2018·12 cites·20 claims
- 0494US9926868B2Coordination of vehicle actuators during firing fraction transitionsTULA TECHNOLOGY INC·Filed 2016·Granted Mar 27, 2018·12 cites·20 claims
- 0591US6915781B2Engine control system with throttle preload during cylinder deactivationGEN MOTORS CORP·Filed 2002·Granted Jul 12, 2005·41 cites·20 claims
- 0689US9458778B2Cylinder activation and deactivation control systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Oct 4, 2016·8 cites·18 claims
- 0786US9638121B2System and method for deactivating a cylinder of an engine and reactivating the cylinder based on an estimated trapped air massGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted May 2, 2017·6 cites·20 claims
- 0886US6782865B2Method and apparatus for control of a variable displacement engine for fuel economy and performanceGEN MOTORS CORP·Filed 2002·Granted Aug 31, 2004·31 cites·11 claims
- 0985US10094313B2Coordination of vehicle actuators during firing fraction transitionsTULA TECHNOLOGY INC·Filed 2018·Granted Oct 9, 2018·6 cites·30 claims
- 1085US9567928B2System and method for controlling a variable valve actuation system to reduce delay associated with reactivating a cylinderRAYL ALLEN B·Filed 2012·Granted Feb 14, 2017·5 cites·22 claims
- 1185US6736108B2Fuel and spark compensation for reactivating cylinders in a variable displacement engineGEN MOTORS CORP·Filed 2002·Granted May 18, 2004·33 cites·12 claims
- 1284US7845319B2Valvetrain control systems with independent intake and exhaust lift controlGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Dec 7, 2010·8 cites·18 claims
- 1383US7739027B2Method and apparatus for monitoring an EGR valve in an internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Jun 15, 2010·12 cites·18 claims
- 1483US7610897B2Valvetrain control systems for internal combustion engines with time and event based controlGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Nov 3, 2009·12 cites·28 claims
- 1582US7979195B2Valvetrain control systems for internal combustion engines with multiple intake and exhaust timing based lift modesGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Jul 12, 2011·7 cites·24 claims
- 1682US7740003B2Valvetrain control systems for internal combustion engines with different intake and exhaust leading modesGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Jun 22, 2010·7 cites·16 claims
- 1781US6752121B2Cylinder deactivation system timing control synchronizationGEN MOTORS CORP·Filed 2002·Granted Jun 22, 2004·47 cites·7 claims
- 1880US7530413B2Reducing torque disturbances and improving fuel economy in hybrid electric powertrainsGEN MOTORS CORP·Filed 2004·Granted May 12, 2009·34 cites·13 claims
- 1978US10393033B1Hydraulic system purging via position synchronized solenoid pulsingGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Aug 27, 2019·1 cites·19 claims
- 2078US7975668B2Spark timing and control during transitions between spark ignited combustion and homogenous charge compression ignitionGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Jul 12, 2011·12 cites·12 claims
- 2177US7974766B2Valvetrain control systems with lift mode transitioning based engine synchronization timing and sensor based lift mode controlGM Gobal Technology Operations LLC·Filed 2008·Granted Jul 5, 2011·9 cites·30 claims
- 2274US8983753B2Combustion setpoint control systems and methodsRAYL ALLEN B·Filed 2011·Granted Mar 17, 2015·3 cites·20 claims
- 2374US8239119B2Method and system for adapting small fuel injection quantitiesBAGNASCO ANDREW P·Filed 2009·Granted Aug 7, 2012·8 cites·20 claims
- 2472US6739314B1Displacement on demand with throttle preload security methodologyGEN MOTORS CORP·Filed 2003·Granted May 25, 2004·16 cites·10 claims
- 2571US9903283B1Method to optimize engine operation using active fuel managementGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Feb 27, 2018·1 cites·18 claims
- 2671US7729844B2HCCI combustion moding state control for fuel economy and seamless transitionsGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Jun 1, 2010·8 cites·20 claims
- 2769US10287995B2System and method for controlling a variable valve actuation system to reduce delay associated with reactivating a cylinderGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted May 14, 2019·0 cites·9 claims
- 2869US7963268B2Control strategy for transitions between homogeneous-charge compression-ignition and spark-ignition combustion modesGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Jun 21, 2011·7 cites·18 claims
- 2968US10227939B2Cylinder deactivation pattern matchingGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Mar 12, 2019·2 cites·18 claims
- 3068US8326511B2System and method for estimating torque output of a homogeneous charge compression ignition engineSHIBATA JONATHAN T·Filed 2010·Granted Dec 4, 2012·2 cites·20 claims
- 3167US6769403B2Spark retard control during cylinder transitions in a displacement on demand engineGEN MOTORS CORP·Filed 2002·Granted Aug 3, 2004·20 cites·18 claims
- 3265US7233854B2Method for improving fuel economy and performance when deactivating cylinders with vehicle cruise controlGEN MOTORS CORP·Filed 2004·Granted Jun 19, 2007·16 cites·20 claims
- 3363US8504278B2Method and system for detecting a fault during catalyst light-offVERNER DOUGLAS R·Filed 2009·Granted Aug 6, 2013·5 cites·20 claims
- 3459US8364380B2Method and system for fuel injection control to reduce variationGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Jan 29, 2013·3 cites·21 claims
- 3558US8322324B2System and method for controlling transient switching between HCCI mode and SI mode of an engineRAMAPPAN VIJAY·Filed 2009·Granted Dec 4, 2012·3 cites·21 claims
- 3657US8290686B2Method for controlling combustion mode transitions for an internal combustion engineKANG JUN-MO·Filed 2009·Granted Oct 16, 2012·3 cites·20 claims
- 3752US8776762B2HCCI mode switching control system and methodRAYL ALLEN B·Filed 2009·Granted Jul 15, 2014·2 cites·20 claims
- 3851US8381700B2Systems and methods for exhaust gas recirculation control in homogeneous charge compression ignition engine systemsGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Feb 26, 2013·1 cites·20 claims
- 3951US8290690B2Method and system for reducing operating errors in a variable value actuation systemRAYL ALLEN B·Filed 2009·Granted Oct 16, 2012·0 cites·20 claims
- 4050US8397490B2System and method for controlling a catalyst temperature in an HCCI combustion engineSHIBATA JONATHAN T·Filed 2009·Granted Mar 19, 2013·1 cites·19 claims
- 4150US8220436B2HCCI/SI combustion switching control system and methodRAYL ALLEN B·Filed 2009·Granted Jul 17, 2012·1 cites·19 claims
- 4247US9115655B2Cylinder pressure parameter correction systems and methodsRAYL ALLEN B·Filed 2011·Granted Aug 25, 2015·0 cites·20 claims
- 4346US6959684B2Torque based cylinder deactivation with vacuum correctionGEN MOTORS CORP·Filed 2003·Granted Nov 1, 2005·4 cites·22 claims
- 4444US8160802B2Closed-loop adaptation of homogenous charge compression ignition operating zone based on ringing indexRAMAPPAN VIJAY·Filed 2009·Granted Apr 17, 2012·0 cites·20 claims
- 4543US8036807B2Control strategy for transitioning among combustion modes in an internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Oct 11, 2011·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →