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. 18, 2019
Filed:
Sep. 07, 2016
Hitachi Construction Machinery Co., Ltd., Taito-ku, Tokyo, JP;
Hayato Kubota, Tsuchiura, JP;
Kazuhiko Mizoguchi, Ishioka, JP;
Hiroki Sugawara, Kasumigaura, JP;
Shigeru Hirasawa, Mito, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
On a revolving frame (), a counterweight (), an engine (), a cooling fan (), a heat exchanger (), an exterior cover () forming a machine room () on the revolving frame (), an exhaust gas purifying device () including a urea selective reduction catalyst (), a urea water injection valve () injecting a urea water which is a reducing agent toward an upstream side of the urea selective reduction catalyst (), and a urea water supply line () through which the urea water to be supplied to the urea water injection valve () flows are provided. A horizontal support member () supporting the exterior cover () is provided on a front side of the counterweight (), and a heat shield cover () is mounted on the horizontal support member (). A line accommodating space () is formed between the horizontal support member () and the heat shield cover (), and a urea water supply line () for shielding heat from the engine () is accommodated in this line accommodating space ().