Fuel vapor processor diagnostic device

Details Fuel vapor processor diagnostic device Fuel vapor processor diagnostic device

1997-11-05

1999-06-15

Miller, Carl S.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123198D, F02M 3704

Patent

active

059112093

ABSTRACT:
In a fuel vapor processor for use with an engine provided with a fuel tank comprising a filler tube which fits on a fuel nozzle for refueling, the presence of leaks of fuel vapor is diagnosed according to a variation of a test pressure has been introduced into a purge passage. If refueling of the fuel tank is being performed during the leak diagnosis, an escape vent for air in the fuel tank is provided by connecting the canister to the atmosphere so that smooth refueling is performed.

REFERENCES:
patent: 5197442 (1993-03-01), Blumenstock
patent: 5327873 (1994-07-01), Ohuchi
patent: 5345917 (1994-09-01), Maruyama
patent: 5479905 (1996-01-01), Ito
patent: 5542397 (1996-08-01), Takahata et al.
patent: 5601065 (1997-02-01), Tamura

Affiliated with

Also associated with

Rating

Fuel vapor processor diagnostic device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fuel vapor processor diagnostic device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fuel vapor processor diagnostic device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-396580