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[미국특허] Internal combustion engine control for improved fuel efficiency 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F02P-005/00
출원번호 US-0615179 (2009-11-09)
등록번호 US7886715 (2011-02-02)
발명자 / 주소
  • Tripathi, Adya S.
  • Silvestri, Chester J.
출원인 / 주소
  • Tula Technology, Inc.
대리인 / 주소
    Beyer Law Group LLP
인용정보 피인용 횟수 : 59  인용 특허 : 68

초록 ▼

A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines are described. Generally, an engine is controlled to operate in a skip fire variable displacement mode. Feedback control is used to dynamically determine the working cycles to be skipped to provide

대표청구항 ▼

What is claimed is: 1. An engine controller for controlling the operation of an internal combustion engine having at least one working chamber, each working chamber being generally arranged to operate in a succession of working cycles, the engine controller having a variable displacement operational

이 특허에 인용된 특허 (68) 인용/피인용 타임라인 분석

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이 특허를 인용한 특허 (59) 인용/피인용 타임라인 분석

  1. Matthews, Gregory P., Air mass determination for cylinder activation and deactivation control systems.
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  2. Matthews, Gregory P.; Liu, Zhiping Steven; Brennan, Daniel G., Air per cylinder determination systems and methods.
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  3. Beikmann, Randall S.; Wagh, Nitish J., Combination cylinder state and transmission gear control systems and methods.
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  4. Serrano, Louis J., Control of a partial cylinder deactivation engine.
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  5. Carlson, Steven E.; Yuan, Xin; Switkes, Joshua P.; Serrano, Louis J., Control of manifold vacuum in skip fire operation.
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  6. Rayl, Allen B.; Beikmann, Randall S.; Naik, Sanjeev M., Cylinder activation and deactivation control systems and methods.
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  7. Beikmann, Randall S., Cylinder activation/deactivation sequence control systems and methods.
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  8. Phillips, Andrew W., Cylinder control systems and methods for discouraging resonant frequency operation.
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  9. Rayl, Allen B., Cylinder deactivation pattern matching.
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  10. Li, Jinbiao; Liu, Haifeng, Cylinder firing fraction determination and control systems and methods.
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  11. Carlson, Steven E.; Yuan, Xin; Hashemi, Siamak; Srinivasan, Vijay; Kalluri, Srihari; Phillips, Andrew W.; Wilcutts, Mark A.; Serrano, Louis J.; Chen, Shikui Kevin, Deceleration cylinder cut-off.
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  12. Serrano, Louis J.; Wang, Robert C., Deceleration cylinder cut-off in a hybrid vehicle.
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  13. Serrano, Louis J.; Carlson, Steven E.; Switkes, Joshua P.; Yuille, Ronald D., Engine braking controller.
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  14. Pirjaberi, Mohammad R.; Tripathi, Adya S., Firing fraction management in skip fire engine control.
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  15. Pirjaberi, Mohammad R.; Tripathi, Adya S.; Serrano, Louis J., Firing fraction management in skip fire engine control.
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  16. Pirjaberi, Mohammad R.; Tripathi, Adya S.; Serrano, Louis J., Firing fraction management in skip fire engine control.
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  17. Wagh, Nitish J.; Beikmann, Randall S., Firing pattern management for improved transient vibration in variable cylinder deactivation mode.
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  18. Hayman, Alan W.; McAlpine, Robert S., Fuel consumption based cylinder activation and deactivation control systems and methods.
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  19. Breton, Leo G.; Yuille, Ronald D.; Shost, Mark A.; Serrano, Louis J.; Parsels, John W.; Younkins, Matthew A., Hybrid powertrain control.
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  20. Yuille, Ronald D.; Shost, Mark A.; Serrano, Louis J.; Parsels, John W.; Younkins, Matthew A., Hybrid vehicle with cylinder deactivation.
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  21. Yuille, Ronald D.; Shost, Mark A.; Serrano, Louis J.; Tripathi, Adya S., Hybrid vehicle with cylinder deactivation.
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  22. Soliman, Ihab S.; Shost, Mark A., Implementing skip fire with start/stop feature.
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  23. Matthews, Gregory P.; Liu, Zhiping Steven, Intake port pressure prediction for cylinder activation and deactivation control systems.
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  24. Brennan, Daniel G.; Matthews, Gregory P.; Wiggins, Layne K., Intake runner temperature determination systems and methods.
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  25. Kopecek, Herbert; Spyra, Nikolaus, Internal combustion engine.
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  26. Sahandiesfanjani, Farzad; Hand, Chris; Pirjaberi, Mohammad; Tripathi, Adya S., Internal combustion engine control for improved fuel efficiency.
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  27. Tripathi, Adya S.; Silvestri, Chester J., Internal combustion engine control for improved fuel efficiency.
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  28. Tripathi, Adya S.; Silvestri, Chester J., Internal combustion engine control for improved fuel efficiency.
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  29. Tripathi, Adya S.; Silvestri, Chester J., Internal combustion engine control for improved fuel efficiency.
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  30. Tripathi, Adya S.; Silvestri, Chester J., Internal combustion engine control for improved fuel efficiency.
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  31. Tripathi, Adya S.; Silvestri, Chester J., Internal combustion engine control for improved fuel efficiency.
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  32. Tripathi, Adya S.; Silvestri, Chester J., Internal combustion engine control for improved fuel efficiency.
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  33. Tripathi, Adya S.; Silvestri, Chester J.; Chandler, Christopher W.; Hand, Christopher C.; Switkes, Joshua P.; Wilcutts, Mark A.; Younkins, Matthew A., Internal combustion engine control for improved fuel efficiency.
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  37. Surnilla, Gopichandra, Multi-stroke hybrid propulsion system.
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  38. Surnilla, Gopichandra, Multi-stroke hybrid propulsion system.
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  39. Beikmann, Randall S., Recursive firing pattern algorithm for variable cylinder deactivation in transient operation.
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  40. Tripathi, Adya S.; Chandler, Christopher W.; Hand, Christopher C.; Switkes, Joshua P.; Wilcutts, Mark A.; Younkins, Matthew A., Skip fire engine control.
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  41. Tripathi, Adya S.; Silvestri, Chester J.; Chandler, Christopher W.; Hand, Chris; Switkes, Joshua P.; Wilcutts, Mark, Skip fire engine control.
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  42. Tripathi, Adya S.; Switkes, Joshua P.; Pirjaberi, Mohammad R.; Chandler, Christopher W., Skip fire engine control.
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  43. Tripathi, Adya S.; Sahandiesfanjani, Farzad, Skip fire internal combustion engine control.
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  44. Tripathi, Adya S.; Sahandiesfanjani, Farzad; Ghosh, Biswa R., Skip fire internal combustion engine control.
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  45. Mosher, Kendall J.; Silvestri, Chester J.; Raper, Adam; Emberson, David R., Supplementing engine control via a diagnostics port.
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  46. Mosher, Kendall J.; Silvestri, Chester J.; Raper, Adam; Emberson, David R., Supplementing engine control via a diagnostics port.
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  47. Brennan, Daniel G., System and method for controlling a firing pattern of an engine to reduce vibration when cylinders of the engine are deactivated.
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  48. Beikmann, Randall S., System and method for controlling a firing sequence of an engine to reduce vibration when cylinders of the engine are deactivated.
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  49. Beikmann, Randall S., System and method for controlling a firing sequence of an engine to reduce vibration when cylinders of the engine are deactivated.
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  50. Verner, Douglas R., System and method for controlling a firing sequence of an engine to reduce vibration when cylinders of the engine are deactivated.
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  51. Brennan, Daniel G.; Naik, Sanjeev M., System and method for controlling spark timing when cylinders of an engine are deactivated to reduce noise and vibration.
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  52. Rayl, Allen B., System and method for deactivating a cylinder of an engine and reactivating the cylinder based on an estimated trapped air mass.
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  53. Liu, Zhiping Steven; Matthews, Gregory P.; Will, Anthony B., System and method for predicting parameters associated with airflow through an engine.
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  54. Phillips, Andrew W., System and method for randomly adjusting a firing frequency of an engine to reduce vibration when cylinders of the engine are deactivated.
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  55. Burleigh, Darrell W.; Beikmann, Randall S., Systems and methods for controlling cylinder deactivation periods and patterns.
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  56. Phillips, Andrew W.; Carlson, Steven E., Torque converter clutch lockup during skip-fire operation.
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  57. Burtch, Joseph B., Torque converter clutch slip control systems and methods based on active cylinder count.
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  58. Wilcutts, Mark A.; Yuan, Xin; Switkes, Joshua P.; Chien, Li-Chun; Carlson, Steven E.; Chandler, Christopher W.; Hand, Christopher C.; Younkins, Matthew A.; Tripathi, Adya S., Using cylinder firing history for combustion control in a skip fire engine.
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  59. Brennan, Daniel G.; Matthews, Gregory P.; Wiggins, Layne K., Volumetric efficiency determination systems and methods.
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