Active purge pump system module for evaporative emission control system
AssigneeContinental Automotive Systems, Inc.
InventorsBrian G. Woods, Thierry Collet, Manfred Weigl
Life of this patent
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AssigneeContinental Automotive Systems, Inc.
InventorsBrian G. Woods, Thierry Collet, Manfred Weigl
Estimating the term…
An active purge pump system module is provided for an evaporative emission control (EVAP) system for a vehicle. The EVAP system includes a fuel tank, a vapor collection canister in communication with the fuel tank, an air intake, and a purge valve connected between the canister and the air intake. The active purge pump system module includes a pump in fluid communication with the canister to move air independently of operation of the engine. A bypass valve assembly communicates with an upstream side and a downstream side of the pump to bypass the pump. In a closed position of the bypass valve assembly, the pump, when activated, moves purge vapor from the canister, through the purge valve, and to the engine to be consumed during combustion, and when the bypass valve assembly is opened and the pump is deactivated, vehicle refueling is permitted.
An active purge pump system module for an evaporative emission control system for a vehicle, the evaporative emission control system including a fuel tank, a vapor collection canister in communication with the fuel tank, an air intake directing air to an internal combustion engine of the vehicle, and a purge valve connected between the canister and the air intake, the active purge pump system module comprising:
A method of purging vapor from a vehicle, the vehicle having an evaporative emission control system including a fuel tank, a vapor collection canister in communication with the fuel tank, an air intake directing air to an internal combustion engine of the vehicle, and a purge valve connected between the canister and the air intake, method comprising the steps of:
Dependencies are inferred from the claim text.