WO2016137216A1 - Couvercle de pompe, module de pompe muni de celui-ci et structure de couplage pour pompe - Google Patents

Couvercle de pompe, module de pompe muni de celui-ci et structure de couplage pour pompe Download PDF

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Publication number
WO2016137216A1
WO2016137216A1 PCT/KR2016/001781 KR2016001781W WO2016137216A1 WO 2016137216 A1 WO2016137216 A1 WO 2016137216A1 KR 2016001781 W KR2016001781 W KR 2016001781W WO 2016137216 A1 WO2016137216 A1 WO 2016137216A1
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WO
WIPO (PCT)
Prior art keywords
pump
cover
tank
terminal
cover member
Prior art date
Application number
PCT/KR2016/001781
Other languages
English (en)
Korean (ko)
Inventor
황용택
전찬요
조부현
Original Assignee
현담산업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020150028457A external-priority patent/KR101604209B1/ko
Priority claimed from KR1020150029237A external-priority patent/KR101592815B1/ko
Application filed by 현담산업 주식회사 filed Critical 현담산업 주식회사
Publication of WO2016137216A1 publication Critical patent/WO2016137216A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors

Definitions

  • the present invention relates to a pump cover, a pump module having the same and a coupling structure for the pump.
  • exhaust systems of diesel engines include exhaust gas aftertreatment devices such as Selective Catalyst Reduction (SCR), Diesel Oxidation Catalyst (DOC), Catalyst Particulate Filter (CPE), etc. to reduce NOx contained in the exhaust gas. Equipped with.
  • SCR Selective Catalyst Reduction
  • DOC Diesel Oxidation Catalyst
  • CPE Catalyst Particulate Filter
  • the SCR-applied exhaust gas post-treatment apparatus (hereinafter referred to as the 'SCR apparatus') has a function of injecting a reducing agent such as an aqueous urea solution into the exhaust pipe to reduce nitrogen oxides in the exhaust gas to nitrogen and oxygen. Done.
  • a reducing agent such as an aqueous urea solution
  • the reducing agent when the reducing agent is injected into the exhaust pipe, the reducing agent is converted into ammonia (NH 3 ) by the heat of the exhaust gas, and nitrogen oxide is catalyzed by the nitrogen oxide and ammonia in the exhaust gas by the SCR catalyst. It can be reduced with nitrogen gas (N 2 ) and water (H 2 O).
  • a urea water solution supply system for supplying the urea water solution to the SCR device is required.
  • the urea water solution supply system basically includes a urea tank for storing the urea water solution, and a pump module configured to supply the urea water solution to the SCR device.
  • the terminals of the pump could be in contact with the aqueous urea water solution to corrode.
  • the pump terminal could be in contact with a strongly basic aqueous urea solution when exposed outside the flange.
  • An embodiment of the present invention provides a pump cover capable of stably pumping a strongly basic aqueous urea water solution to an injector and preventing the pump terminal from being corroded by the aqueous urea solution, a pump module having the same and a coupling structure for the pump. To provide.
  • an embodiment of the present invention is to provide a pump cover that can couple the pump and heater to the flange, through which the pump and heater can be fixed in the tank.
  • an embodiment of the present invention is to provide a coupling structure for the pump that can be fixed to the inside of the tank by coupling the heater and the pump to the flange.
  • the present invention is formed to cover a portion of the pump installed inside the tank to discharge the liquid stored in the tank to the outside of the tank, one side of the pump including a terminal of the pump is accommodated It is provided with a receiving groove which is provided, the pump cover is coupled to one side of the flange is installed on one surface inside the tank so that the pump is installed.
  • the pump cover is formed in a cylindrical shape to cover at least a portion of the pump, a cover member having the receiving groove to cover the upper portion of the pump, formed on the outer side of the cover member, and the terminal of the pump and
  • a connecting terminal extending and connected to each other may include a terminal guide part disposed therein, and a coupling part formed at one side of the cover member to couple the cover member to the flange.
  • the terminal of the pump is formed on the upper side of the upper end of the pump
  • the connection terminal may be formed so that one end is connected to the terminal of the pump and the other end extends in the lower direction of the pump.
  • the pump has a first diameter of the upper end side of the pump terminal is formed smaller than the second diameter of the central portion of the pump, the receiving groove of the cover member is the first diameter of the pump upper portion and the pump center portion
  • the interior may be stepped to correspond to the second diameter of the.
  • a first sealing member and a second sealing member corresponding to the first diameter and the second diameter may be installed in the receiving groove of the cover member, respectively.
  • a plurality of holes may be formed at one side of the cover member.
  • connection terminal positioned in the terminal guide part may be bent twice in a U shape to extend toward the flange side.
  • it may further include a relief sensor coupled to one end of the terminal guide portion.
  • the terminal guide portion may be provided with a protrusion protruding toward the flange side at the other end, and a plug may be formed at the end side of the protrusion.
  • it may include a third sealing member formed on the outer peripheral surface of the protrusion.
  • connection terminal may be overmolded to cover the outer surface.
  • a pump installed inside the tank to discharge the liquid stored in the tank to the outside of the tank, a flange coupled to one side of the tank to couple the pump to the tank, the lower part of the pump A heater positioned on the flange to surround the side, the aforementioned pump cover coupled to the outside of the pump to engage the heater with the flange and coupled to the flange to surround the pump, the pump cover and the heater And a filter module for filtering the liquid supplied to the pump.
  • the tank is a urea water storage tank
  • the flange may be disposed on the lower surface of the tank.
  • the cover is formed in a cylindrical shape to cover at least a portion of the pump, a cover member having a receiving groove to cover the upper portion of the pump having a terminal and formed on the outer side of the cover member, and is connected to the terminal
  • the extended connection terminal may include a terminal guide part disposed therein.
  • the upper side of the heater may extend in the receiving groove so as to surround the upper side of the pump may be disposed between the pump and the cover member.
  • a coupling protrusion protruding toward the cover member may be formed on an outer surface of the heater, and a hole into which the coupling protrusion is inserted may be formed in the cover member.
  • the coupling part may protrude toward the pump side, the end side may include a locking projection protruding in an outward direction, and a locking hole into which the locking projection is inserted and coupled may be formed in the cover member.
  • the pump cover according to an embodiment of the present invention may include a cover member to cover the terminals of the pump to protect the terminals of the pump from the urea water solution.
  • cover for the pump according to an embodiment of the present invention may be coupled to the outside of the pump to couple the heater to the flange, thereby fixing the heater in the tank.
  • the cover for the pump according to an embodiment of the present invention can reduce the force received when a plurality of holes are formed and the deformation amount excessively occurs at the top of the pump due to the volume expansion of the urea water solution frozen in the low temperature conditions.
  • the cover for the pump may include a relief sensor to prevent damage to the pump by adjusting the pressure to prevent the internal pressure of the pump to rise sharply.
  • the pump module according to an embodiment of the present invention can stably pump the strong basic urea water solution into the injector.
  • the pump cover and the pump module having the same may include a sealing member to seal the urea water solution so as not to penetrate.
  • FIG. 1 is a perspective view showing that a pump module equipped with a cover for a pump according to an embodiment of the present invention is installed inside a tank.
  • FIG. 2 is a perspective view showing a pump module equipped with a cover for a pump according to an embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of A-A of FIG. 2 and arrows indicate the flow of liquid.
  • FIG. 4 is an exploded perspective view of a pump module equipped with a cover for a pump according to an embodiment of the present invention.
  • FIG. 5 is a perspective view showing a cover for a pump according to an embodiment of the present invention.
  • FIG. 6 is a bottom view of a cover for a pump according to an embodiment of the present invention.
  • FIG. 7 is a perspective view showing the connection terminal of the cover for the pump according to an embodiment of the present invention.
  • FIG. 8 is a perspective view showing that the cover for the pump according to an embodiment of the present invention is coupled to the pump and the heater.
  • FIG. 9 is a cross-sectional view showing that the pump cover according to an embodiment of the present invention is coupled to the pump and the heater.
  • FIG. 1 is a perspective view showing that a pump module equipped with a cover for a pump according to an embodiment of the present invention is installed inside a tank.
  • 2 is a perspective view showing a pump module equipped with a cover for a pump according to an embodiment of the present invention.
  • 3 is a cross-sectional view of A-A of FIG. 2 and arrows indicate the flow of liquid.
  • 4 is an exploded perspective view of a pump module equipped with a cover for a pump according to an embodiment of the present invention.
  • the pump module 3 to which the pump cover 1 according to an embodiment of the present invention is mounted includes a pump 9, a flange 27, a heater 19, and a pump cover.
  • (1) and filter 15 may be included.
  • the pump module 3 may be installed inside the tank 7 in which the liquid is stored, and stably pump the liquid to an injector (not shown) installed outside the tank.
  • the pump module 3 performs the temperature, level, filter function of the liquid stored in the tank 7, and includes a cover 1 for the pump to prevent the pump terminal 14 from contacting with the liquid to corrode. Can be.
  • the liquid stored inside the storage tank 7 may be an aqueous urea solution 5 used as a reducing agent.
  • the storage tank 7 may thus be a urea water storage tank.
  • the aqueous urea solution (5) is colorless, odorless, non-toxic, non-flammable, strongly basic (PH10 or more) and mixed in water at a 32.5% ratio.
  • the pump module 3 may be installed inside the tank 7 in which the urea water solution 5 is stored, and stably pump the strong basic urea water solution into an injector (not shown) installed outside the tank.
  • the pump 9 is installed inside the tank 7 and pumps the urea water solution 5 stored in the tank 7 to the outside of the tank.
  • the pump 9 may have a suction pipe 12 and a first discharge pipe 11 adjacent to the lower side of the pump. Therefore, the urea water solution 5 is sucked into the pump through the suction pipe 12 formed on the lower side of the pump 9 and discharged to the outside of the pump through the first discharge pipe 11.
  • the suction pipe 12 and the first discharge pipe 11 of the pump 9 are installed adjacent to each other, the urea water solution 5 sucked through the suction pipe 12 does not pass through a motor (not shown) located inside the pump. It is discharged through the first discharge pipe 11 can protect the motor.
  • a plurality of first inlets 21 are formed on the lower side of the heater 19, and the plurality of first inlets 21 are connected to the suction pipe 12 of the pump.
  • the heater 19 may be located on the flange 27 to surround the lower side of the pump 9.
  • the freezing point of the strongly basic aqueous urea water solution 5 is -11.5 degrees Celsius, and the volume at the freezing point expands 11%.
  • the heater 19 may transfer heat to the pump 9 to prevent the urea water solution 5 from freezing.
  • a pump cover 1 is provided to couple the heater 19 and the pump 9.
  • the pump cover 1 may be coupled to the outside of the pump 9 to couple the heater 19 to the flange 27, thereby fixing the heater 19 to the inside of the tank 7.
  • the filter 15 may be disposed to surround the pump 9, the pump cover 1, and the heater 19.
  • the filter 15 may be coupled to the flange 27 and a plurality of filter media 17 may be disposed on the outer surface of the filter.
  • the filter 15 filters the urea water solution 5 stored in the tank 7 through the filter medium 17 and supplies it to the pump 9.
  • the flange 27 may be installed on one surface of the tank 7 and installed on the lower side of the tank as shown in FIG. 2 to block holes (not shown) formed in the lower part of the tank. In other words, the flange 27 may be arranged on the lower surface of the storage tank 7.
  • the pump 9, the heater 19, the filter 15, and the pump cover 1 are installed on one surface of the flange 27, for example, the upper surface of the tank 7. It can be fixed inside.
  • the flange 27 may also be coupled to one side of the tank to couple the pump 9 to the tank 7.
  • the flange 27 may be a circular plate having a circular cross section and may protrude in a downward direction of the disc, but is not limited thereto.
  • the flange 27 may be a resin injection molded product manufactured by injection molding of a resin.
  • the flange 27 has a first mounting groove 29, a second mounting groove 31, and a third mounting groove 33 formed at an upper surface thereof, and a connection pipe 35 at the second mounting groove. It may be provided. In addition, the flange 27 may be provided with a second discharge pipe 37 connected to the connection pipe 35 on the lower side.
  • the second mounting groove 31 of the flange 27 may be formed on the upper surface of the flange.
  • at least a portion of the first discharge pipe 11 formed on the lower surface of the pump 9 may be accommodated in the second mounting groove 31. Therefore, at least a part of the first discharge pipe 11 may be heated by the heater 19.
  • the heater 19 may include a heating member 23 for generating heat on one side and a first plug 25 for supplying electrical energy to the heating member.
  • a first outlet may be formed in the first mounting groove 29 of the flange 27.
  • the second discharge pipe 37 may be formed at the lower side of the flange 27 to discharge the urea solution 5 to the outside of the flange 27.
  • the heater 19 may be formed such that one end thereof may heat a part of the second discharge pipe 37.
  • the second inlet 37a of the second discharge pipe 37 may be connected to the connection pipe 35 and the discharge hole 37b of the second discharge pipe may extend in a horizontal direction to be exposed to the outside of the flange 27. .
  • the flange 27 may have a connection pipe 35 connecting the first discharge pipe 11 and the second discharge pipe 37 to each other on the inner surface of the second mounting groove 31.
  • the discharge pipe 39 may be installed in the vertical direction in the connection pipe 35.
  • the discharge pipe 39 may be formed in a straight shape and may be coupled to the first discharge pipe 11 of the pump 9.
  • a pressure sensor 41 may be mounted at one end of the second discharge pipe 37, for example, the second inlet 37a.
  • the pressure sensor 41 compares the present actual pressure with a target pressure, and performs real-time feedback control of the pressure of the aqueous urea solution 5.
  • the first discharge pipe 11, the second discharge pipe 37, the connection pipe 35, and the discharge pipe 39 are circular in cross section so that the urea water solution 5 may flow. It may be in the form of a tube, but is not limited thereto.
  • 5 is a perspective view showing a cover for a pump according to an embodiment of the present invention.
  • 6 is a bottom view of a cover for a pump according to an embodiment of the present invention.
  • 7 is a perspective view showing the connection terminal of the cover for the pump according to an embodiment of the present invention.
  • the pump cover 1 accommodates a part of the pump including the terminal 14 of the pump 9 on one side, for example, an upper surface thereof.
  • the groove 51 may be provided.
  • the pump cover 1 may cover the terminals 14 of the pump 9 to prevent the terminals from contacting the urea water aqueous solution 5 to corrode.
  • the pump cover 1 may be coupled to one surface of the flange 27 installed on one surface of the tank 7 so that the pump 9 is installed.
  • the pump 9 and the heater 19 may be installed on the upper surface of the flange 27 to fix the inside of the tank 7.
  • the pump cover 1 may include a cover member 50, a terminal guide part 70, and a coupling part 90.
  • the pump cover 1 according to the embodiment of the present invention includes a cover member 50 to cover the terminal 14 of the pump 9 to prevent the urea water solution 5 from penetrating the terminal of the pump. can do.
  • the cover member 50 may be formed in a cylindrical shape to cover at least a portion of the pump 9, but any shape as long as the cover member 50 may cover a part of the cylindrical pump 9. Can be made.
  • the cover member 50 may include a receiving groove 51 recessed in an inward direction.
  • the upper portion of the pump 9 is accommodated in the receiving groove 51 so that the cover member 50 may cover the upper portion of the pump.
  • FIG. 8 is a perspective view showing that the cover for the pump according to an embodiment of the present invention is coupled to the pump and the heater.
  • the terminal 14 of the pump 9 may be formed on the upper side of the upper end of the pump 9.
  • Three terminal holes 13 may be formed on the upper surface of the pump 9 at regular intervals.
  • the terminals 14 of the pump 9 to receive power may be disposed inside the three terminal holes 13.
  • the pump 9 can be made of a three-phase power supply terminal can provide a more stable and strong current to the pump.
  • the pump 9 may be formed in a shape in which two cylinders of different diameters are coupled to the upper end and the center of the pump.
  • the upper end side of the pump in which the terminal 14 of the pump 9 is formed may have a cylindrical shape having a first diameter D1.
  • the central portion of the pump 9 may be formed in a cylindrical shape having a second diameter (D2).
  • the first diameter D1 may be smaller than the second diameter D2.
  • the pump cover 1 can effectively prevent the urea water solution 5 from flowing into the pump terminal 14, thereby preventing corrosion of the pump terminal.
  • the receiving groove 51 of the cover member 50 has an inner portion corresponding to the first diameter D1 of the upper end of the pump 9 and the second diameter D2 of the pump center. It may be formed stepped.
  • the pump 9 and the cover member 50 may be coupled to be sealed through the shape fit.
  • FIG. 9 is a cross-sectional view showing that the pump cover according to an embodiment of the present invention is coupled to the pump and the heater.
  • the receiving groove 51 of the cover member 50 has a first sealing member 53 and a second sealing member 55 corresponding to the first diameter D1 and the second diameter D2, respectively. Can be installed.
  • a plurality of holes 52 may be formed on one side of the cover member 50, for example, an intermediate portion of the cover member.
  • the plurality of holes 52 is excessively deformed in the upper portion of the pump 9 when the urea water solution 5 sequentially expands from the lower portion due to freezing, thereby reducing the force received.
  • a terminal guide part 70 may be formed on the outer side of the cover member 50.
  • the terminal guide part 70 may protect the connection terminal 71 by having a connection terminal 71 positioned therein.
  • the terminal guide part 70 may be formed in an 'r' shape, but may be formed in any shape if the connection terminal 71 to which the terminal 14 is connected is located inside to seal the connection terminal.
  • the terminal guide part 70 may have a protrusion 75 protruding toward the flange 27 at the other end thereof.
  • a second plug 77 may be formed at an end side of the protrusion 75.
  • a third mounting groove 33 may be recessed in the upper surface of the flange 27 to insert the protrusion 75.
  • a second outlet (not shown) coupled to the second plug 77 may be formed at the center of the third mounting groove 33.
  • a third sealing member 79 is formed on the outer circumferential surface of the protrusion 75 so that the second plug 77 and the second outlet can be sealed when the protrusion is inserted into the third mounting groove 33.
  • connection terminal 71 may be connected to the terminal 14 of the pump 9 and bent twice in a U shape to extend toward the flange 27. At this time, the connection terminal 71 may be made of three corresponding to the three-phase power terminal of the pump (9).
  • connection terminal 71 may be connected to the terminal 14 of the pump 9 and the other end may be formed to extend in the lower direction of the pump.
  • connection terminal 71 may be molded to cover the outer surface.
  • connection terminal 71 may be molded of a plastic material such as a resin material.
  • terminal guide part 70 and the cover member 50 may be injection molded by inserting the molded connection terminal 71 into a mold.
  • a relief sensor 73 may be coupled to one end of the terminal guide part 70.
  • the relief sensor 73 may prevent damage to the pump by adjusting the pressure to prevent the internal pressure of the pump 9 from rising rapidly.
  • an outlet 9a may be formed at the upper center portion of the pump 9 to allow liquid to flow.
  • one end of the outlet pipe 81 may be inserted into the outlet 9a and the other end may be connected to the relief sensor 73.
  • the fourth sealing member 83 is installed on the outer circumferential surface of the outlet pipe 81 to prevent the urea water solution 5 from penetrating into the terminal 14.
  • the pump cover 1 may include a coupling portion 90 for coupling the cover member 50 to the flange 27.
  • the coupling part 90 may be formed at one side of the cover member 50 to couple the cover member 50 to the flange 27.
  • the coupling part 90 may include a locking jaw 91 and a locking portion 93 into which the locking jaw is inserted and coupled.
  • the catching jaw 91 is formed on the upper surface of the flange 27 to protrude toward the pump 9 side, and at this time, the end side of the catching jaw may be formed in an outward direction.
  • the cover member 50 may include a catching part 93 having a catching hole 93a formed therein so that the catching jaw 91 may be inserted and coupled thereto.
  • the coupling portion 90 may be formed in any form as long as the cover member 50 can be coupled to the flange 27.
  • the first sealing member 53, the second sealing member 55, the third sealing member 79 and the fourth sealing member 83 is a urea solution (5) is a pump cover and It can be sealed so as not to penetrate the pump module 3 provided with the same.
  • first sealing member 53, the second sealing member, the third sealing member 79 and the fourth sealing member 83 may be pressed at a set compression ratio and have a set thickness, for example, a fluorine sealing material It can be produced in the form of an O-ring.
  • the coupling structure (not shown) for the pump has an upper side of the pump for coupling the pump 9 for discharging the liquid stored in the tank to the outside of the tank 7 in the tank.
  • the cover 1 is formed in a cylindrical shape to cover at least a portion of the pump 9, the cover member 50 and the cover member provided with a receiving groove 51 to cover the upper portion of the pump in which the terminal 14 is formed. It is formed on the outer side of the, may include a terminal guide portion 70 which is connected to the terminal extending in connection terminal 71 is located therein.
  • the upper side of the heater 19 may extend inside the receiving groove 51 to surround the upper side of the pump 9 and may be disposed between the pump and the cover member 50.
  • a coupling protrusion protruding toward the cover member 50 may be formed on the outer surface of the heater 19, and a hole 52 into which the coupling protrusion is inserted may be formed in the cover member.
  • the coupling portion 90 protrudes toward the pump side, and the end side includes a locking jaw 91 protruding outward, and the cover member may be formed with a locking hole 90a into which the locking jaw is inserted and coupled.
  • the cover for the pump according to an embodiment of the present invention covers the pump terminal so that the pump terminal can prevent corrosion due to the aqueous urea solution.
  • the pump module according to an embodiment of the present invention can stably pump the strong basic urea water solution into the injector.
  • the pump cover according to an embodiment of the present invention may include a cover member to cover the terminals of the pump to protect the terminals of the pump from the urea water solution.
  • cover for the pump according to an embodiment of the present invention may be coupled to the outside of the pump to couple the heater to the flange, thereby fixing the heater in the tank.
  • the cover for the pump according to an embodiment of the present invention can reduce the force received when a plurality of holes are formed and the deformation amount excessively occurs at the top of the pump due to the volume expansion of the urea water solution frozen in the low temperature conditions.
  • the cover for the pump may include a relief sensor to prevent damage to the pump by adjusting the pressure to prevent the internal pressure of the pump to rise sharply.
  • the pump module according to an embodiment of the present invention can stably pump the strong basic urea water solution into the injector.
  • the pump cover and the pump module having the same may include a sealing member to seal the urea water solution so as not to penetrate.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

La présente invention concerne un couvercle de pompe. Le couvercle de pompe est formé de manière à couvrir une partie de la pompe installée dans un réservoir, de manière à évacuer un liquide stocké dans le réservoir vers l'extérieur du réservoir, ledit couvercle étant placé sur un côté de la pompe avec une rainure de logement, dans laquelle une partie de la pompe incluant une borne de la pompe est logée, et étant couplé à un côté d'une bride installée sur un côté de l'intérieur du réservoir de manière à permettre l'installation de la pompe.
PCT/KR2016/001781 2015-02-27 2016-02-24 Couvercle de pompe, module de pompe muni de celui-ci et structure de couplage pour pompe WO2016137216A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2015-0028457 2015-02-27
KR1020150028457A KR101604209B1 (ko) 2015-02-27 2015-02-27 펌프용 커버 및 이를 구비한 펌프 모듈
KR10-2015-0029237 2015-03-02
KR1020150029237A KR101592815B1 (ko) 2015-03-02 2015-03-02 펌프용 결합 구조체 및 이를 구비한 펌프 모듈

Publications (1)

Publication Number Publication Date
WO2016137216A1 true WO2016137216A1 (fr) 2016-09-01

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PCT/KR2016/001781 WO2016137216A1 (fr) 2015-02-27 2016-02-24 Couvercle de pompe, module de pompe muni de celui-ci et structure de couplage pour pompe

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018072560A1 (fr) * 2016-10-21 2018-04-26 天纳克（苏州）排放系统有限公司 Module de pompe à urée
WO2018072559A1 (fr) * 2016-10-21 2018-04-26 天纳克（苏州）排放系统有限公司 Module de pompe à urée
WO2018072558A1 (fr) * 2016-10-21 2018-04-26 天纳克（苏州）排放系统有限公司 Module de pompe à urée
CN107975405A (zh) * 2016-10-21 2018-05-01 天纳克（苏州）排放系统有限公司 尿素泵模块

Citations (5)

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KR20120135916A (ko) * 2010-04-09 2012-12-17 에미텍 게젤샤프트 퓌어 에미시온스테크놀로기 엠베하 액상의 환원제를 제공하기 위한 장치
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