Fuel vapor processing apparatus

Details Fuel vapor processing apparatus Fuel vapor processing apparatus

1993-07-30

1994-08-16

Cross, E. Rollins

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

F02M 3302

Patent

active

053377214

ABSTRACT:
A fuel vapor processing apparatus of an internal combustion engine for a vehicle comprises a main canister, a sub-canister connected to the main canister in series and located closer to the atmosphere than the main canister is, a first one-way valve through which the fluid flows from the main canister to the sub-canister, and a second one-way valve through which the fluid flows in the reverse direction, the first and second one-way valves being provided in parallel between the main canister and the sub-canister.

REFERENCES:
patent: 4308840 (1982-01-01), Hiramatsu et al.
patent: 4658796 (1987-04-01), Yoshida et al.
patent: 4951643 (1990-08-01), Sato et al.
patent: 5143041 (1992-09-01), Franzke
patent: 5170765 (1992-12-01), Hoshino et al.

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