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:
Feb. 28, 1984
Filed:
Jun. 22, 1982
Katsuhisa Amano, Tokyo, JP;
Tadashi Kumagai, Tsurugashima, JP;
Akio Masaki, Oi, JP;
Shinichi Shimada, Kamifukuoka, JP;
Takeshi Suzuki, Asaka, JP;
Shoichi Ohtaka, Oi, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A secondary air introducing apparatus for introducing secondary air into the exhaust manifold of an internal combustion engine. The apparatus includes a secondary air introducing passage connected between the air cleaner and the exhaust manifold of the engine, a check valve in the passage arranged to operate in response to pulsation pressure in the exhaust manifold to supply clean secondary air thereto, a first expansion chamber interposed in the passage on an upstream side of the check valve, and a second expansion chamber interposed in the passage on an upstream side of the first chamber. At least the check valve and the first chamber are fixedly mounted on the intake manifold.