Inventor
EKDAHL EARL
US6 patents
Patents
6 patentsUS6807931B2Oct 26, 2004
Control method for transitions between open and closed loop operation in electronic VCT controls
BORGWARNER INC27 citations91
US6955145B1Oct 18, 2005
Methods and apparatus for receiving excessive inputs in a VCT system
BORGWARNER INC19 citations82
US6745732B2Jun 8, 2004
VCT cam timing system utilizing calculation of intake phase for dual dependent cams
BORGWARNER INC10 citations72
US6736094B2May 18, 2004
VCT solenoid dither frequency control
BORGWARNER INC8 citations71
US6766776B2Jul 27, 2004
Control method for preventing integrator wind-up when operating VCT at or near its physical stops
BORGWARNER INC2 citations60
US7021257B2Apr 4, 2006
Compensating for VCT phase error over speed range
BORGWARNER INC0 citations50