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Heating structure, production method therefor, and pump module comprising same

A technology of structure and heating parts, which is applied in the direction of heating element material, immersion heating device, and the arrangement of the combination with the fuel supply of the internal combustion engine, etc., can solve the problem of difficult melting of urea aqueous solution, and achieve the effect of preventing damage

Active Publication Date: 2017-10-24
HYUNDAM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Moreover, in the prior art, the heating device and the pump are separated by a predetermined distance, so it is difficult to melt the crystallized urea aqueous solution present in the pump.

Method used

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  • Heating structure, production method therefor, and pump module comprising same
  • Heating structure, production method therefor, and pump module comprising same
  • Heating structure, production method therefor, and pump module comprising same

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Embodiment Construction

[0045] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art to which the present invention pertains can easily implement the present invention. The present invention can have many different forms and is not limited to the embodiments described here. In the drawings, in order to clearly describe the present invention, parts irrelevant to the present invention are omitted, and the same reference numerals are assigned to the same or similar constituent elements throughout the specification.

[0046] In this specification, terms such as "comprising" or "having" designate the existence of features, numbers, steps, actions, structural elements, parts or combinations thereof described in the specification, but do not preclude one or more other features in advance. , numbers, steps, actions, structural elements, components, or the existence or additional possibility of these combinations. Also, whe...

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PUM

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Abstract

A heating structure is provided. The heating structure, which is for heating a pump installed in a tank so as to discharge a liquid stored in the tank to the outside of the tank, comprises: a flange installed on one side of the interior of the tank; and a heating member coupled to one side of the flange and provided on one side thereof with an accommodation groove in which at least a part of the pump is accommodated, wherein a first discharge tube of the pump having at least a part thereof accommodated in the accommodation groove extends toward the flange and is connected to a second discharge tube formed on the other side of the flange outside the tank, and the heating member is formed to heat at least a part of the pump, the first discharge tube, and at least a part of the second discharge tube.

Description

technical field [0001] The invention relates to a heating structure, a method for its manufacture and a pump module having the same. Background technique [0002] Usually, the exhaust system of a diesel engine is formed in order to reduce nitrogen oxides (NOx) contained in the exhaust, such as selective catalytic reduction (SCR, Selective Catalyst Reduction), diesel oxidation catalyst (DOC, DieselOxidation Catalyst), catalytic particulate filter Exhaust aftertreatment devices such as CPE (Catalyzed Particulate Filter). [0003] Among them, the exhaust gas post-treatment device for selective catalytic reduction (hereinafter referred to as "selective catalytic reduction device") sprays a reducing agent such as urea solution into the exhaust pipe to reduce the nitrogen oxides in the exhaust gas into nitrogen and oxygen. [0004] That is, in the selective catalytic reduction device, when the reducing agent is injected into the exhaust pipe, the reducing agent is converted into...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N3/20H05B3/12H05B3/78
CPCF01N3/2013F01N3/2073F01N2610/02F01N2610/1406F01N2610/1426F01N2610/1433H05B3/12H05B3/78B60K13/04B60K15/03B60K2015/03427F01N3/2066F01N3/208F01N2240/16F01N2610/10F01N2610/1486F01N2900/1808F01N2900/1811Y02A50/20Y02T10/12F01N3/2896
Inventor 黄龙泽全赞尧曹富铉
Owner HYUNDAM IND
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