Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Patent
1995-12-27
1996-12-03
Miller, Carl S.
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
123516, F02M 3302
Patent
active
055797423
ABSTRACT:
An evaporative emission control system for an internal combustion engine comprises a canister for adsorbing evaporative fuel generated in the fuel tank, and a first evaporative fuel passage extending between the canister and the tank main body of the fuel tank. A differential pressure-operated valve is arranged across the first evaporative fuel passage, which has a positive pressure chamber communicating through the first evaporative fuel passage with the interior of the tank main body of the fuel tank, and a back pressure chamber. The differential pressure-operated valve opens and closes the first evaporative fuel passage in response to a difference in pressure between the positive pressure chamber and the back pressure chamber. A pressure-introducing passage extends between the back pressure chamber and the inlet end portion of a filler pipe extending from the interior of the main body of the fuel tank, and a second evaporative fuel passage extends between the interior of the tank main body of the fuel tank and one of the back pressure chamber and the pressure-introducing passage. A check valve limits the amount of evaporative fuel flowing through the second evaporative fuel passage.
REFERENCES:
patent: 4714172 (1987-12-01), Morris
patent: 4762156 (1988-08-01), Rich
patent: 5099880 (1992-03-01), Szlaga
patent: 5297528 (1994-03-01), Mukai
patent: 5318069 (1994-06-01), Harris
patent: 5327934 (1994-07-01), Thompson
patent: 5359978 (1994-11-01), Kidokoro
patent: 5404906 (1995-04-01), Aoshima
patent: 5417240 (1995-05-01), Benjay
patent: 5456237 (1995-10-01), Yamazaki
patent: 5456238 (1985-10-01), Horiuchi
patent: 5462100 (1995-10-01), Covert et al.
patent: 5474048 (1995-12-01), Yamazaki
patent: 5497800 (1996-03-01), Ohashi
Hara Takeshi
Hidano Koichi
Horiuchi Masaaki
Nakajima Takeaki
Yamazaki Kazumi
Honda Giken Kogyo Kabushiki Kaisha
Miller Carl S.
LandOfFree
Evaporative emission control system for internal combustion engi does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Evaporative emission control system for internal combustion engi, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Evaporative emission control system for internal combustion engi will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-778233