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:
Oct. 26, 2004
Filed:
Apr. 04, 2001
Applicant:
Inventors:
Masaki Takakuwa, Toyohashi, JP;
Masahito Imai, Chita, JP;
Assignee:
Denso Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 7/00 ;
U.S. Cl.
CPC ...
G01L 7/00 ;
Abstract
A case of a pressure sensor has an atmospheric pressure introduction port for introducing atmospheric pressure into the case, and a water repellent filter that is attached to the atmospheric pressure introduction port to prevent passage of moisture, dust and the like while allowing flow of air. The filter is disposed to have a filter surface extending along a gravitational direction when the pressure sensor is used.