Beveridge Thomas R, Ranft Ernst L: Evaporation loss control. General Motors Corporation, August 15, 1972: US3683597 (54 worldwide citation)

In a system for controlling the loss of fuel vapor from a vehicle fuel tank, the fuel tank vents are connected to the upper portion of a canister containing a quantity of fuel vapor adsorbing carbon retained under compression therein. The upper portion of the canister is also connected to the induct ...

St Amand James C: Canister for evaporation loss control. General Motors Corporation, May 1, 1973: US3730158 (42 worldwide citation)

A canister for controlling the loss of fuel vapor from a vehicle fuel tank includes a downwardly opening adsorption chamber which is fluidly connected in an evaporative flow path between the fuel tank and the induction passage of the vehicle engine. A pair of coaxially disposed, discardable cartridg ...

Tamiyoshi Ohashi, Masami Mizuno, Sukehiro Sawada, Hisao Hanabusa, Masayuki Nakagawa, Tomohide Aoki, Takaaki Ito, Yoshihiko Hyodo, Nobutaka Morimitu, Takashi Ohta, Norio Sato, Akane Okada: Evaporation loss control device. Toyoda Gosei, Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Toyota Chuo Kenkyusho, Cushman Darby & Cushman, December 14, 1993: US05269837 (7 worldwide citation)

An evaporation loss control device provided with a polymer chamber filled with polymer absorbent, a charcoal chamber filled with charcoal, introduction and purging pipes for connecting the polymer chamber with a fuel tank and an engine intake passage, respectively, an air pipe for ventilation connec ...