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:
Sep. 20, 1983
Filed:
Oct. 07, 1981
Shigeru Takagi, Anjo, JP;
Yukihisa Takeuchi, Aichi, JP;
Shigeru Kamiya, Chiryu, JP;
Masahiro Tomita, Anjo, JP;
Kiyohiko Oishi, Susono, JP;
Kiyoshi Kobashi, Mishima, JP;
Nippon Soken, Inc., Nishio, JP;
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JP;
Abstract
An exhaust gas cleaning device for an internal combustion engine comprises a housing provided with an inlet port which is communicated with an exhaust pipe of an internal combustion engine and an outlet port, two particulates collecting members disposed in two independent exhaust gas flowing passages which are communicated with the inlet port through an inlet chamber and with the outlet port through an outlet chamber, a butterfly valve provided in the inlet chamber for alternately directing the exhaust gases into either one of the exhaust gas flowing passages and a heated air supplying means for burning off the particulates collected by the particulates collecting members, which is provided with a heated air outlet port opening into the inlet chamber so as to be opposed to the inlet port with the butterfly valve therebetween.