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:
Jun. 08, 2004
Filed:
Jan. 10, 2001
Mitsuo Yabe, Newcastle upon Tyne, GB;
Komatsu Ltd., Tokyo, JP;
Abstract
An engine cooling air passage for construction equipment, which is capable of reducing noise released from a cooling air exhaust port with back pressure of cooling air remaining low and making an engine room compact, is provided. To this end, in the engine cooling passage, a fan air diversion passage ( ) of a predetermined length, which has a fan air diversion opening ( ) located near an outer periphery portion of a cooling fan ( ) and taking in a cooling air blown by the cooling fan ( ), at one end side, and an opening ( ) located near a lateral end portion of a counterweight ( ) and discharging the cooling air taken in to an outside, at the other end side, is formed either in a front portion of or in front of the counterweight ( ).