Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Patent
1992-08-10
1993-06-22
Miller, Carl S.
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
123519, F02M 3302
Patent
active
052208982
ABSTRACT:
A pressure control device allows evaporated fuel evaporated in an fuel tank of an engine to be discharged to a canister during the engine running state. The canister absorbs the evaporated fuel. The pressure control device continues to allow evaporated fuel in the fuel tank to be discharged to the canister after the engine stops until a predetermined period has elapsed. The pressure control device allows evaporated fuel in the fuel tank to be discharged to the canister while a pressure in the fuel tank is higher than a first predetermined pressure after the predetermined period has elapsed in the engine stopped state. On the other hand, the pressure control device prevents evaporated fuel in the fuel tank from being discharged to the canister while a pressure in the fuel tank is lower than the first predetermined pressure after the predetermined period has elapsed in the engine stopped state.
REFERENCES:
patent: 3854911 (1974-12-01), Walker
patent: 4116184 (1978-09-01), Tomita
patent: 4343281 (1982-08-01), Uozumi
patent: 4903672 (1990-02-01), Mackinnon
patent: 5036823 (1991-08-01), Mackinnon
patent: 5056493 (1991-10-01), Holzer
patent: 5123459 (1992-06-01), Toshihiro
Hyodo Yoshihiko
Itoh Takaaki
Kidokoro Toru
Osanai Akinori
Miller Carl S.
Toyota Jidosha & Kabushiki Kaisha
LandOfFree
Pressure control system for controlling pressure in fuel tank of does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pressure control system for controlling pressure in fuel tank of, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pressure control system for controlling pressure in fuel tank of will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1436137