Patent · US Active

System and method for control of a transition between SI and HCCI combustion modes

US9267485B2 · kind B2 · utility

5Cited by
5References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 2014
Grant dateFeb 23, 2016
Priority date
Expiry dateAug 25, 2034

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/12
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

In one embodiment a method of controlling an engine system includes providing a first cylinder with a first inlet valve, a first outlet valve, and a first throttle, controlling the first inlet and the first outlet valve in accordance with an SI valve lift profile, activating a first spark in the first cylinder while controlling the first inlet and the first outlet valve in accordance with the SI valve lift profile, controlling the first inlet and the first outlet valve in accordance with an HCCI valve lift profile, activating a second spark in the first cylinder while controlling the first inlet and the first outlet valve in accordance with the HCCI valve lift profile, and controlling the SOI timing of the first throttle in an HCCI SOI mode while controlling the first inlet valve and the first outlet valve in the HCCI valve lift profile after activating the second spark.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.