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. 02, 2018
Filed:
May. 21, 2015
Applicant:
Komatsu Ltd., Tokyo, JP;
Inventors:
Yasuyuki Akita, Kaga, JP;
Tatsushi Itou, Osaka, JP;
Assignee:
KOMATSU LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/08 (2006.01); E02F 3/32 (2006.01); E02F 9/22 (2006.01); F01N 13/18 (2010.01); F01N 3/021 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
E02F 9/0866 (2013.01); E02F 3/32 (2013.01); E02F 9/0808 (2013.01); E02F 9/0816 (2013.01); E02F 9/22 (2013.01); F01N 13/1822 (2013.01); F01N 3/021 (2013.01); F01N 3/2066 (2013.01); F01N 2590/08 (2013.01); F01N 2610/1426 (2013.01); F01N 2610/1433 (2013.01); F01N 2610/1453 (2013.01);
Abstract
The hydraulic excavator capable of accurately positioning an engine and an exhaust gas treatment unit is provided. The hydraulic excavator includes a engine, an exhaust gas treatment unit, a front left pillar portion, a rear left pillar portion, a plurality of support portions, and a center frame. The exhaust gas treatment unit treats an exhaust gas from the engine. The plurality of support portions support the exhaust gas treatment unit. The center frame carries the engine. The center frame has a vertical plate. Two support portions are fixed to the vertical plate.