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
Pharmaceutical dosage form
Inducement of organogenetic tolerance for pancreatic xenotransplant
Method of preparing highly fluorinated carboxylic acids and their salts
Use of emerging non-volatile memory elements with flash memory
Method and apparatus for reacquiring lines in a cache
Pelvic registration device for medical navigation
DNA promoters and anthrax vaccines
  Randomly Featured Patents
Atomic force microscope using cantilever attached to optical microscope
Dahlia plant named `Fidahcali`
Chromatographic column oven
Specific dye compound, optical information recording medium comprising specific dye, and information recording method using this optical information recording medium
Home control system with an interface assembly
Display screen with user interface
Direct acting end link for stabilizer bar
Intraoral medication releasing system
Drug dispensing apparatus
Geographic location multiple listing service identifier and method of assigning and using the same