UREA PUMP MODULE

WIPO Patent Application WO/2018/072557

A1

A urea pump module (100), comprising a base (1), a pump component (2) mounted on said base (1) and a housing component (3) covering the pump component (2); a circuit board (131) and a urea outlet fitting (116) being provided in the base (1); the pump component (2) comprising a urea pump (212) and a pump coil (213); the housing component (3) comprising a housing (31) and a first heating pad (32) tightly abutting an inner wall of the housing (31); the housing (31) having a first opening (3123) allowing intake of a urea solution; the base (1) having a seat body (11), a second heating pad (12) laid flat on the seat body (11) and a lower cover (13) fixed to an underside of the seat (11); the lower cover (13) having an accommodation cavity (132) accommodating the circuit board (131); and the pump coil (213), the first heating pad (32) and the second heating pad (12) all being connected to the circuit board (131). The present configuration improves heating and thawing results; in addition, a modularized urea pump module (100), pump component (2) and housing component (3) configuration increases installation convenience.

LIN KUI (CN)
GONG CHAO (CN)
XUE YUNFENG (CN)
SUN JINHU (CN)
XIA CHAO (CN)
LI MINFANG (CN)

PCT/CN2017/099319

April 26, 2018

August 28, 2017

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TENNECO SUZHOU EMISSION SYSTEM CO LTD (CN)

F01N3/28

CN105952517A	2016-09-21
US20100175369A1	2010-07-15
CN204283565U	2015-04-22
CN204511600U	2015-07-29
CN103089612A	2013-05-08
EP2706208A1	2014-03-12

SUZHOU WISPRO INTELLECTUAL PROPERTY AGENCY (CN)

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