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:
Jan. 27, 2004
Filed:
Apr. 13, 2001
Naoyuki Inoue, Tokyo, JP;
Toshio Matsubara, Tokyo, JP;
Tomoyoshi Irie, Tokyo, JP;
Akiyoshi Suzuki, Tokyo, JP;
Tomoyuki Uchimura, Tokyo, JP;
Ebara Corporation, Tokyo, JP;
Abstract
The present invention relates to a plate type heat exchanger having a heat exchange element composed of two plates for exchanging heat between a fluid flowing inside the heat exchange element and a fluid flowing outside the heat exchange element. In the plate type heat exchanger, the two plates ( ) have a plurality of depressions ( ), and the depressions are brought into contact with and bonded to each other. Peripheral portions of the plates are sealed to form a space in which a fluid flows and constitute a heat exchange element ( ) having opening portions ( ) at both ends thereof. The heat exchange elements ( ) are piled on and bonded to each other so that the opening portions ( ) communicate with each other.