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:
Jul. 14, 2009
Filed:
Mar. 21, 2007
Applicant:
Mohammed Anwar Hossain, Yokohama, JP;
Inventor:
Mohammed Anwar Hossain, Yokohama, JP;
Assignee:
Anest Iwata Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an acoustic fluid machine, an acoustic resonator gradually reduces in diameter towards the top on which a valve device is provided to suck a gas into the resonator. The gas is compressed in the resonator by a circular-plate piston at the lower end of the resonator and discharged via an outlet of the valve device. The piston comprises a rubber plate fixed to the resonator and a metal plate attached on the rubber plate.