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AssigneeTenneco (Suzhou) Emission System Co., Ltd.
InventorsChao Gong, Ping Wang, Gaofeng Fan, Qiang Sun, Zhenqiu Yang, Biao Du, Suheng Tian
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A fluid delivery device, comprising an integrated cabinet, a pump installed in the integrated cabinet, an inlet pipeline connected to the pump, and an outlet pipeline connected to the pump; the pump comprises a motor located at the bottom portion of the integrated cabinet, a pump head located at the top portion of the integrated cabinet, and a magnetic coupling portion located between the motor and the pump head; the pump head, the magnetic coupling portion and the motor are arranged in a sequence from top to bottom; and the pump head is provided with a U-shaped flow channel and a gear mechanism therein located at the bottommost portion of the flow channel. The fluid delivery device eliminates bubbles in the solution accumulated in the pump, thus ensuring a working efficiency of fluid delivery of the pump, and ensuring precise control of a delivery amount.
A fluid conveying device for conveying a urea solution in an engine exhaust gas treatment system, said fluid conveying device comprising an integrated cabinet, a pump vertically mounted in said integrated cabinet relative to the ground, an inlet pipeline connected to said pump and an outlet pipeline connected to said pump, said pump comprising a motor, a pump head positioned at the top further from the around than the motor and a magnetic coupling part positioned between said motor and said pump head, wherein said pump head, said magnetic coupling part and said motor are arranged from top to bottom relative to the ground, and a U-shaped flow passage and a gear mechanism are arranged in said pump head, the gear mechanism being positioned at a portion of said flow passage closer to the ground than other portions of said flow passage,
Dependencies are inferred from the claim text.