Hydrocarbon emission control system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10677200
APP PUB NO 20200102899A1
SERIAL NO

16144049

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An exemplary system for monitoring and controlling evaporative emissions for a vehicle includes a first fuel vapor adsorption canister, a second fuel vapor adsorption canister, a first passage from the fuel supply to the first canister, a second passage from the first canister to the canister, the second passage including a first valve selectively actuatable from a first position to a second position, a third passage from the first and second canisters for venting the first and second canisters, a fourth passage connecting the second canister to the third passage, and a controller electrically connected to the first valve. Fuel vapor is routed to the first canister when a first condition is not satisfied and fuel vapor is routed to the second canister when the first condition is satisfied.

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Patent Owner(s)

  • GM GLOBAL TECHNOLOGY OPERATIONS LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Andrzejewski, Jason M Washington, US 3 13
McCarthy, Timothy E Grand Blanc, US 9 59

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