The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9115674 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 25, 2015

Filed:

Mar. 05, 2012
Applicants:

Katsuhiko Makino, Obu, JP;

Shota Yamanaka, Obu, JP;

Inventors:

Katsuhiko Makino, Obu, JP;

Shota Yamanaka, Obu, JP;

Assignee:

AISAN KOGYO KABUSHIKI KAISHA, Obu-Shi, Aichi-Ken, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 33/06 (2006.01); F02M 25/08 (2006.01); B01D 53/04 (2006.01);
U.S. Cl.
CPC ...
F02M 25/0854 (2013.01); B01D 53/0438 (2013.01); B01D 2253/102 (2013.01); B01D 2259/402 (2013.01); B01D 2259/4516 (2013.01); F02M 2025/0881 (2013.01);
Abstract

One aspect according to the present teachings includes a fuel vapor processing device including a housing having a first port for introduction of fuel vapor, a second port for introduction of negative pressure, and a third port communicating with an atmosphere. An adsorption material is disposed within the housing. In a desorption mode, fuel vapor desorbed by the adsorption material is desorbed from the adsorption material as air flows into the housing via the third port and flows out of the second port. A plurality of heaters are disposed within the housing and are arranged along a path of flow of air from the third port to the second port in the adsorption mode. A controller controls the heaters such that the heaters start to heat the adsorption material in order of the air flow direction from the third port to the second port. The controller preferably also terminates heating of the adsorption material in the same manner.


Find Patent Forward Citations

Makino, Katsuhiko. (2015). Fuel vapor processing devices (U.S. Patent No. 9115674). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9115674

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