Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Fuel injection timer and current regulator










Image Number 6 for United States Patent #6923161.

A fuel injector control system and method provides precise fuel injection timing while eliminating the need for a voltage regulator by estimating or predicting ramp times between voltage application and actual fuel injection. In one embodiment, an estimated ramp time injection is calculated from a measured voltage and is used to delay or advance application of the voltage on the coil so that the load current reaches a desired current level at a desired injection start time. In another embodiment, an actual ramp time for a given injection is measured and used to predict future ramp times. A current regulator prevents excessive emissions from being generated when controlling the load current.








 
 
  Recently Added Patents
Method and apparatus for radio antenna frequency tuning
Process cartridge and electrophotographic image forming apparatus
Vehicle exterior
Electrical conduit containing a fire-resisting thermoplastic composition
Multipoint photonic doppler velocimetry using optical lens elements
Scanned image projection system employing intermediate image plane
Semiconductor process
  Randomly Featured Patents
Method of improving system performance and survivability through changing function
Wheel slip angle detecting system for vehicle
Wearable apron for use in egg and other medical tests
Shoe sole shock absorber
Wind-driven prime mover
Photoconductive member having amorphous silicon layers
Newborn dummy
Optical system for reproduction
Transparent in-band forward error correction for signal conditioning-encoded signals
Travelling wave tube with coupling device between its delay line and external microwave circuits