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.:
Date of Patent:
Aug. 23, 2016
Filed:
Jul. 18, 2008
Yasuko Suzuki, Kawasaki, JP;
Hiroaki Fujita, Kawasaki, JP;
Satoshi Hiranuma, Kawasaki, JP;
Shinichi Saito, Kawasaki, JP;
Yoshio Nakayama, Kawasaki, JP;
Yasuko Suzuki, Kawasaki, JP;
Hiroaki Fujita, Kawasaki, JP;
Satoshi Hiranuma, Kawasaki, JP;
Shinichi Saito, Kawasaki, JP;
Yoshio Nakayama, Kawasaki, JP;
MITSUBISHI FUSO TRUCK AND BUS CORPORATION, Kawasaki-shi, JP;
Abstract
An exhaust purification device for an engine comprises a catalyst device that purifies the exhaust gas of the engine by using an additive; a venturi-shaped mixing chamber that is disposed upstream from the catalyst device and extends from a taper portion with a diameter tapering downstream to continue to a constricted portion with a minimum diameter and then to a flared portion with a diameter that is increased in the downstream direction; a swirl-generating device that is disposed in vicinity of a most upstream section of the taper portion of the mixing chamber and generates a swirling flow in the exhaust gas; and an additive-injection device that is disposed upstream from the constricted portion of the mixing chamber and downstream from the swirl-generating device, and injects the additive into the mixing chamber.