Patent ID: 9611866
Date: 2017-04-04
CPC Classifications: F01N,F04D,Y02T,Y10T

Claim:
1. A urea solution pump unit comprising: a urea solution tank having a mounting hole opened downward; a mounting flange mounted to close the mounting hole; a motor pump disposed in a horizontal direction on the mounting flange in the urea solution tank, and configured to draw a urea solution at one side using a pump, and discharge the urea solution to another side through a space formed between a rotor and a stator of a motor; a filter installed at an inlet side of the motor pump at an outside of the motor pump; a heater module having one side and the other side fixed to the mounting flange, and configured to cover the outside of the motor pump, and generate heat using power supplied from the outside, wherein the heater module includes: