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. 20, 2018
Filed:
Apr. 21, 2014
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventor:
Satoshi Nakagawa, Tokyo, JP;
Assignee:
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 25/08 (2006.01);
U.S. Cl.
CPC ...
F02M 25/0818 (2013.01); F02M 25/0836 (2013.01);
Abstract
A space Ris formed on a downstream side of a check valveby providing a partition platehaving a holein an exhaust opening portionprovided in a third housingof an air pumpto separate the third housingfrom the outside. A noise generated from the check valveof the air pumpis reduced in the space R.