Patent ID: 9163585
Filing Date: 2015-10-20
Classification: F02D,F02M,Y10T

Abstract:
1. A portion of a fuel system of a vehicle, wherein the vehicle includes a brake system, wherein the fuel system includes a fuel tank connected to an engine, comprising: (a) an evaporative emissions system; and (b) an evaporative emissions leak check system selectively fluidly-connected to the evaporative emissions system, wherein the evaporative emissions leak check system includes a vacuum source, wherein the vacuum source includes: a control module communicatively-coupled to each of the evaporative emissions system and the evaporative emissions leak check system; a canister; a filter; a purge valve fluidly-connected to the canister; a vacuum containment valve fluidly-connected to the canister; and a two-position switch valve that selectively fluidly-connects the evaporative emissions leak check system to the evaporative emissions system, wherein said two-position switch valve is fluidly coupled to the vacuum source, the filter and the vacuum containment valve.