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.

Date of Patent:
Apr. 11, 1978

Filed:

Aug. 04, 1976
Applicant:
Inventors:

Takashi Ushijima, Tokyo, JA;

Yoshio Iwasa, Nagareyama, JA;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60293 ; 1375157 ; 137856 ;
Abstract

A reed valve device having two reeds capable of selectively closing and opening the corresponding openings formed in the device is snugly fitted in a casing through an elastomeric sealing member without using any other connecting means. The casing communicates with an exhaust conduit system of an internal combustion engine so that the reed valve device functions to intermittently admit air into the exhaust conduit system by the pulsations of the exhaust gas under pressure passing through the exhaust conduit system.


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Ushijima, Takashi. (1978). System to supply air into the exhaust conduit of an internal combustion (U.S. Patent No. 4083184). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4083184

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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