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. 27, 2001
Filed:
May. 17, 1999
Applicant:
Inventors:
Seiichirou Takeshita, Tsuchiura, JP;
Osamu Watanabe, Tsuchiura, JP;
Assignee:
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01P 7/10 ;
U.S. Cl.
CPC ...
F01P 7/10 ;
Abstract
A cooling apparatus for a construction machine, has at least one heat exchanger including a radiator for cooling water used to cool an engine of a hydraulic excavator, and a rotating cooling fan for producing cooling air to cool the heat exchanger. A substantially disk-shaped flow guide means having an outer diameter size smaller than an outer diameter size of the cooling fan is provided on the blowoff side of the cooling fan.