Evaporative fuel processing device

Details Evaporative fuel processing device Evaporative fuel processing device

1994-10-21

1995-10-10

Miller, Carl S.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

141 59, 137587, F02M 3302, B65B 3100

Patent

active

054562384

ABSTRACT:
In an evaporative fuel processing device, a constriction is provided in a refueling line 1 for a fuel tank T and connected to a diaphragm actuator through a negative pressure tube. When fuel passes through the constriction during refueling, the diaphragm actuator causes a switch-over valve 5 to be switched by the action of a negative pressure generated at the constriction, thereby permitting an evaporative fuel generated in the fuel tank to be introduced into a canister used during refueling. During normal operation which is other than the time of refueling, the negative pressure disappears and hence, the switch-over valve is switched, thereby permitting the evaporative fuel to be introduced into a canister used during normal operation. Thus, it is possible to reliably collect the evaporative fuel generated during refueling into the fuel tank by a simple structure.

REFERENCES:
patent: 4714172 (1987-12-01), Morris
patent: 4724861 (1988-02-01), Covert
patent: 4862856 (1989-09-01), Yokoe
patent: 4881578 (1989-11-01), Rich
patent: 5014742 (1991-05-01), Covert
patent: 5099880 (1992-03-01), Szlaga
patent: 5111795 (1992-05-01), Thompson
patent: 5259355 (1993-11-01), Nakashima
patent: 5271438 (1993-12-01), Griffin

Affiliated with

Also associated with

Rating

Evaporative fuel processing 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 Evaporative fuel processing device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Evaporative fuel processing device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2304757