Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Air/fuel control including lean cruise operation










Image Number 3 for United States Patent #5787380.

A control method is described for an engine having a throttle body coupled to the engine intake manifold and a bypass air passageway coupled to the throttle body via an electronically controllable bypass valve. A single measurement of air inducted through both the throttle body and the bypass air passageway is provided by an air flow meter. Fuel is delivered to the intake manifold in relation to the single air measurement. An air flow correction value is generated from a functional relationship between engine torque and air/fuel ratio during lean air/fuel operating conditions. Air flow through the bypass passageway is increased by the air flow correction value to compensate for engine torque loss resulting from such lean operation.








 
 
  Recently Added Patents
Medicament container
Solution based precursors
Image playback device and method and electronic camera with image playback function
Composite filtration membranes and methods of preparation thereof
Methods of forming activated carbons
Measuring device and measuring method that use pulsed electromagnetic wave
Multicyclic compounds and methods of use thereof
  Randomly Featured Patents
Location monitoring via implanted radio transmitter
Adaptive detection of threshold levels in memory
Straw and dispensing device for use in a beverage container
Optical branching and coupling device
Facsimile apparatus
Method of preparing a mixture of mannitol and sorbitol by continuous hydrogenation of glucosone
System for remote configuration, operation and control of an interface device
Silence description coding for multi-rate speech codecs
Refrigeration process using azeotropic compositions of perfluoroethane and trifluoromethane
Electrosynthesis of six-membered heterocyclic alcohols