FIELD: engines and pumps.
SUBSTANCE: invention relates to conveying unit for conveying reducing agent from a tank to an exhaust gas treatment device. Conveying unit comprises a pump with a drive unit and a pump chamber unit, wherein pump chamber unit, at least in part, limits a pump chamber. Drive unit and pump chamber unit are connected to each other with possibility of disconnection, and pump chamber comprises a main compartment and extending from main compartment a branch channel to which adjoin one intake valve and one outlet valve.
EFFECT: invention improves pump protection against freezing of reducing agent.
9 cl, 19 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| REDUCING AGENT FEEDER | 2012 |
|
RU2557052C2 |
| FEEDER FOR FEEDING LIQUID ADDITIVE FROM TANK AND METHOD THEREFOR | 2012 |
|
RU2587800C2 |
| BOREHOLE FLUID PUMPING SYSTEM (VARIANTS) AND PROCESS OF BOREHOLE FLUID PUMPING | 2006 |
|
RU2328588C2 |
| REFRIGERANT COMPRESSION PLANT | 2014 |
|
RU2637608C2 |
| DEEP CLEANING DEVICE WITH DETACHABLE MODULE | 2012 |
|
RU2583899C2 |
| PUMP CAPABLE OF DOSING BOTH LARGE VOLUME AND SMALL VOLUME OF DYE | 2015 |
|
RU2692169C2 |
| FUEL FILTER WITH DEVICE FOR ADDITIVE RELEASE | 2014 |
|
RU2659118C1 |
| DEVICE FOR BEVERAGE EXTRACTION FOR CARTRIDGE | 2010 |
|
RU2550486C2 |
| EXHAUST GASES TOXICITY REDUCTION SYSTEM AND METHOD FOR SUPPLYING REDUCING AGENT INTO EXHAUST PATH OF INTERNAL COMBUSTION ENGINE | 2012 |
|
RU2643277C1 |
| DEVICE FOR PROVISION OF LIQUID ADDITIVE | 2013 |
|
RU2599091C2 |
