Invention Application
US20070028874A1 Mapping temperature compensation limits for PWM control of VCT phasers 审中-公开
映射VCT变相器PWM控制的温度补偿限值

  • Patent Title: Mapping temperature compensation limits for PWM control of VCT phasers
  • Patent Title (中): 映射VCT变相器PWM控制的温度补偿限值
  • Application No.: US11461928
    Application Date: 2006-08-02
  • Publication No.: US20070028874A1
    Publication Date: 2007-02-08
  • Inventor: Roger Simpson
  • Applicant: Roger Simpson
  • Applicant Address: US MI Auburn Hills
  • Assignee: BorgWarner Inc.
  • Current Assignee: BorgWarner Inc.
  • Current Assignee Address: US MI Auburn Hills
  • Main IPC: F01L1/34
  • IPC: F01L1/34
Mapping temperature compensation limits for PWM control of VCT phasers
Abstract:
A variable cam timing (VCT) phaser system including a phaser with an actuator in which the max duty cycle is altered to maintain a constant current in the system based on at least one engine parameter.
Information query
Patent Agency Ranking
0/0