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:
Apr. 05, 1988
Filed:
Apr. 30, 1987
Tsuyoshi Nishida, Sakaishi, JP;
Mitsumasa Isoda, Sakaishi, JP;
Kubota Limited, Osaka, JP;
Abstract
A closed evaporative cooling system for an engine includes a water jacket having an opening formed through an upper wall of said engine, a condenser having an upper tank, a bottom plate and condenser tubes, a seat formed around said upside opening for fixing said bottom plate of said condenser thereon, a pressure regulating valve for regulating internal pressure of said upper tank, each of said tube has an upper end penetrating through the bottom wall of said upper tank and brazed or soldered thereto, and a lower end penetrating through said bottom plate and brazed or soldered thereto respectively, and the system further includes a damper pipe for damping the variation of internal pressure of said upper tank, having one end communicated with said upper tank of said condenser fixed on the upper part of said water jacket of said engine and another end communicated with said pressure regulating valve.