Construction machine
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United States of America Patent
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Aug 10, 2021
Grant Date -
Aug 13, 2020
app pub date -
Jan 31, 2019
filing date -
Mar 19, 2018
priority date (Note) -
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status (Latency Note)
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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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