|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||123/399; 123/090.15; 123/479; 123/568.16; 123/690|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 21 인용 특허 : 14|
A system and method for utilizing a humidity sensor with an internal combustion engine of a vehicle is described. Specifically, information from the humidity sensor is used to adjust a desired air-fuel ratio to reduce engine misfire while improving vehicle fuel economy. Further, such information is also used to adjust timing and/or lift of the valve in the engine cylinder. Finally, diagnostic routines are also described.
I claim: 1. A method for controlling an internal combustion engine of a vehicle, the engine having a humidity sensor, the method comprising: adjusting a fuel injection amount into the engine based on said humidity sensor; adjusting flow through the engine based on said humidity sensor; determining degradation of the humidity sensor; and using default settings in response to a determination of degradation of the humidity sensor. 2. The method recited in claim 1 wherein said adjusting fuel injection based on said humidity sensor further comprises adjus...