Title:
建設機械
Document Type and Number:
Japanese Patent JP6934439
Kind Code:
B2
Abstract:
There is provided a urea water supply device (25) that is disposed in a urea water pipe line (23) to supply urea water toward a urea water injection valve (21) from a urea water tank (22). A bracket (24) for attaching the urea water supply device (25) is attached to a revolving frame (5) of an upper revolving structure (3). A cover (31) for covering the urea water supply device (25) is attached to the bracket (24). On top of that, a urea water filter (33) that is disposed in the urea water pipe line (23) and traps foreign objects mixed into the urea water is attached to the cover (31).
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Inventors:
Toshinori Fujii
Nishiguchi Hitomi
Imi Nobuharu
Nishiguchi Hitomi
Imi Nobuharu
Application Number:
JP2018051291A
Publication Date:
September 15, 2021
Filing Date:
March 19, 2018
Export Citation:
Assignee:
Hitachi Construction Machinery Co., Ltd.
International Classes:
B60K13/04; E02F9/00; F01N3/08
Domestic Patent References:
| JP20107617A |
Foreign References:
| EP3190278A1 |
Attorney, Agent or Firm:
Hirowa Patent Office