Patent Number: 6,253,547

Title: Apparatus and method for determining amount of unburned fuel component adsorbed by an adsorbent in an internal combustion engine

Abstract: In an internal combustion engine equipped with an adsorbent for adsorbing unburned fuel components, the amount of unburned fuel components adsorbed to the adsorbent is determined with good precision. The amount of fuel components adhered in a passage that is located upstream of the adsorbent and that conducts fuel components is determined. By taking into consideration the determined amount of adhered fuel components, the amount of fuel components adsorbed to the adsorbent is determined.

Inventors: Watanabe; Takashi (Susono, JP), Hoshi; Koichi (Susono, JP)

Assignee: Toyota Jidosha Kabushiki Kaisha

International Classification: B01D 53/94 (20060101); F01N 3/08 (20060101); F01N 11/00 (20060101); F01N 7/00 (20060101); F01N 7/02 (20060101); F01N 9/00 (20060101); F01N 003/00 ()

Expiration Date: 07/03/2018