Variable rate purge control for refueling vapor recovery system

Details Variable rate purge control for refueling vapor recovery system Variable rate purge control for refueling vapor recovery system

1985-07-19

1987-05-12

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123489, F02M 2508

Patent

active

046640878

ABSTRACT:
Purging of fuel vapors from a vapor canister storing fuel vapors from the fuel tank of an internal combustion engine is done by modulating the overall purge flow rate from the vapor canister as a function of the amount of fuel vapor stored in the vapor canister.

REFERENCES:
patent: 3831353 (1974-08-01), Toth
patent: 3963009 (1976-06-01), Mennesson
patent: 4013054 (1977-03-01), Balsley et al.
patent: 4275697 (1981-06-01), Stoltman
patent: 4308842 (1982-01-01), Watanabe et al.
patent: 4318383 (1982-03-01), Iritani et al.
patent: 4326489 (1982-04-01), Heitert
patent: 4377142 (1983-03-01), Otsuka et al.

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