CPC F02M 25/0836 (2013.01) [B60K 15/03504 (2013.01); B60K 15/03519 (2013.01); F02M 25/089 (2013.01); B60K 2015/03514 (2013.01); F02M 2025/0845 (2013.01)] | 18 Claims |
1. A fuel tank system comprising:
a fuel tank;
a purge canister adapted to collect fuel vapor emitted by the fuel tank;
a manifold fluidly coupled to the purge canister;
a first vent line disposed in the fuel tank and fluidly coupled to the manifold;
an evaporative emissions control system configured to recapture and recycle emitted fuel vapor, the evaporative emissions control system having a controller; and
a tank venting control assembly having an actuator disposed in the manifold that actuates based on operating conditions, wherein the actuator comprises a rotary actuator that rotates a cam assembly the cam assembly having at least a first cam having a first cam profile configured to selectively open and close the first vent line to provide over-pressure and vacuum relief for the fuel tank based on operating conditions.
|