Patent ID: 9303598
Filing Date: 2016-04-05
CPC Classification: B01D,B60K,F02M,F16K

Claim Text:
1. A device for aeration and ventilation of a fuel system of a motor vehicle, comprising: a housing; a first means disposed in said housing defining a first fluid flow path having a first exterior port relevant to said housing communicable with said fuel system and a second exterior port relevant to said housing communicable with the atmosphere; a first valve disposed in said first fluid flow path, biased closed and functional to open upon flow of fluid from said first exterior port to said second exterior port of said first fluid flow path; a second means disposed in said housing defining a second fluid flow path having a third exterior port relevant to said housing communicable with the atmosphere and a second port communicating with said first fluid flow path between said first exterior port of said first fluid flow path and said first valve; and a second valve disposed in said second fluid flow path between said third exterior port and said first flow path, between said first exterior port and said first valve, biased closed and functional to open upon flow of fluid from said third exterior port of said second fluid flow path to said first exterior port of said first fluid flow path.