Breather pipe structure for liquid reducing agent storage tank
US9964015B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2011 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Oct 29, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Provided is a breather pipe structure for a liquid reducing agent storage tank which ensures that a liquid reducing agent can be supplied without trouble even if a breather pipe in the liquid reducing agent storage tank is clogged with frozen liquid reducing agent. In a breather pipe structure for a liquid reducing agent storage tank (10) which stores a liquid reducing agent (5) and which has a breather pipe (20) for introducing/discharging air attached on top of the liquid reducing agent storage tank (10), a lower end (20c) of the breather pipe (20) in the liquid reducing agent storage tank (10) is arranged to extend along a liquid reducing agent defrosting piping (16) provided in the liquid reducing agent storage tank (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.