CN2523960Y - Ternary catalytic converter with vacuum chamber - Google Patents
Ternary catalytic converter with vacuum chamber Download PDFInfo
- Publication number
- CN2523960Y CN2523960Y CN02202494U CN02202494U CN2523960Y CN 2523960 Y CN2523960 Y CN 2523960Y CN 02202494 U CN02202494 U CN 02202494U CN 02202494 U CN02202494 U CN 02202494U CN 2523960 Y CN2523960 Y CN 2523960Y
- Authority
- CN
- China
- Prior art keywords
- vacuum chamber
- catalytic converter
- way catalytic
- carrier
- utility
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model relates to a ternary catalytic converter with vacuum chamber, belonging to the technical filed of vehicle tail gas purifying. The utility model consists of a beehive type metal(or ceramic) carrier 4 and an outer shell 7. The beehive metal(or ceramic) carrier(4) and the outer shell 7 are welded in vacuum to form a vacuum chamber. The utility model has the advantages of strong shock resistance capability, high chilling resistance capability, high mechanical strength, good mechanical wear performance, and good electricity conduction of the metal carrier, achieving electric pre-heating, completely solving the shortcoming of extremely low exhausting conversion rate when in code start, simple craft and being durable.
Description
Technical field: the utility model belongs to the motor vehicle tail-gas purifying technical field, is a kind of three-way catalytic converter with vacuum chamber.International Patent classificating number is: B60K13/04.
Background technique: in the motor vehicle tail-gas purifying system, application as the core component-three-way catalytic converter of tail gas clean-up day by day increases, carrier as one of critical component in the three-way catalytic converter, two kinds of forms are but arranged and deposit, a kind of is cellular structure ceramic carrier, and another kind is the honeycomb metal carrier.Carrier in the automobile three-way catalytic converter that is widely used at present is a ceramic monolith, and the honeycomb metal carrier is because problems such as cost, coated catalysts technology, manufacture difficulty, application in the automobile three-way catalytic converter is less, uses more in the motorcycle three-way catalytic converter.In recent years, along with the continuous progress of science and technology, the raising of the manufacturing technology of honeycomb metal carrier, coated catalysts technology and ultra-thin special stainless steel band technology will be widely used in the three-way catalytic converter of automobile, motorcycle.
Existing automobile three-way catalytic converter is made up of cellular structure ceramic carrier, ceramic asbestos lining and Stainless Steel Shell three parts on the market; Wherein ceramic asbestos lining only plays fixing, shockproof, the high temperature resistance effect, and what have only plays high-elastic effect, and the usage requirement that will satisfy the automobile three-way catalytic converter also needs more Aided Design, brings inconvenience to processing and fabricating.Not only to carry out the profile selection of three-way catalytic converter according to the mounting point of automobile three-way catalytic converter, but also to select the type of ceramic asbestos lining, also need various types of combinations to calculate and design simultaneously, increased the difficulty that the automobile three-way catalytic converter is made greatly.Even above-mentioned design is all reasonable, as in course of working if slightly carelessness is arranged, just can cause scrapping in a large number of three-way catalytic converter.
China utility model patent CN99210674.5 discloses a kind of " high temperature resistant ternary catalyzing unit ".This high temperature resistant, anti-pollution ternary catalyzing unit contains a nichrome burning web, the fixed copper hoop of this burning web and cellular multilayer three-element catalytic net.Wherein the alloy filament diameter is successively successively decreased from inlet end A to outlet side B.Add precious metal catalyst materials such as platinum, palladium, rhodium in this alloy network, thereby constitute high temperature resistant ternary catalyzing unit.The deficiency of this technology is that mechanical property is undesirable, a little less than the abilities such as anti-vibration; Heat insulation effect is bad, and the discharging conversion ratio is extremely low when cold start-up.
Summary of the invention: the purpose of this utility model provides a kind of the ceramic asbestos lining of need and plays fixation, just can reach that a kind of mechanical endurance that the heat-insulating automobile desired every mechanical performance index of three-way catalytic converter, that have vacuum heat-insulation chamber or heat-insulation chamber uses is good, shock resistance is strong, the three-way catalytic converter of anti-chilling ability height, band vacuum chamber that back pressure is low.
The technical solution of the utility model is: the three-way catalytic converter of band vacuum chamber, form by honeycomb metal carrier and frame etc., and form vacuum chamber through vacuum welding between honeycomb metal carrier and the frame.
The utility model can also be further perfect by following steps:
Vacuum chamber in the three-way catalytic converter of band vacuum chamber can also be that outer cylinder body and outer end cap are formed frame, forms vacuum chamber through vacuum welding again and between metallic carrier and the inner end cap; Vacuum chamber also can be to form vacuum chamber through vacuum welding between frame and the metallic carrier inner end cap; The core body of metallic carrier is to be made by the extraordinary ultra-thin stainless steel band of 0.03mm～0.08mm; Metallic carrier also can be ceramic monolith.
The beneficial effects of the utility model are: mechanical strength height, heat conduction good permeability, durable in use, good electrical conductivity, can realize that electricity adds preheating, and fundamentally solved the extremely low defect of discharging conversion ratio when cold start-up.
Description of drawings: the utility model has 3 width of cloth accompanying drawings, and wherein Fig. 1 is a most preferred embodiment of the present utility model, also can make the accompanying drawing of specification digest.
Fig. 1, be the generalized section of the three-way catalytic converter of the utility model band vacuum chamber;
Fig. 2, be another kind of embodiment's the generalized section of the three-way catalytic converter of the utility model band vacuum chamber;
Fig. 3, be the third embodiment's the generalized section of the three-way catalytic converter of the utility model band vacuum chamber;
Embodiment: be described further below in conjunction with 1 pair of most preferred embodiment of the present utility model of accompanying drawing:
Embodiment one: most preferred embodiment of the present utility model as shown in Figure 1: this band vacuum chamber three-way catalytic converter, form by honeycomb metal carrier 4 and frame 7 etc.All there is certain clearance between the shell of frame 7 and honeycomb metal carrier 4, and adopts the form of vacuum welding, make that the gap between them forms vacuum chamber 6.The method of vacuum welding can be varied, as argon arc welding, plasma welding, micro beam plasma welding, electron beam welding, CO
2Laser beam welding or the like.
Embodiment two: as shown in Figure 2, the three-way catalytic converter of this band vacuum chamber is made up of honeycomb metal carrier 4, two inner end cap 2, two outer end caps 1, outer cylinder bodies 3.With two inner end cap 2 respectively with the welding of the two ends of honeycomb metal carrier 4 after, be welded with the frame of a full packet form, frame is welded with outer cylinder body 3 respectively by two outer end caps 1.Between the inner end cap 2 of outer end cap 1 and honeycomb metal carrier 4, all have certain clearance between the shell of outer cylinder body 3 and honeycomb metal carrier 4, be connected the form that adopts vacuum welding between the inner end cap 2 on outer end cap 1 and the honeycomb metal carrier 4, make that the gap between them forms vacuum chamber 6.
Embodiment three: as shown in Figure 3, the three-way catalytic converter of this band vacuum chamber is made up of honeycomb metal carrier 4, two inner end cap 2 and frame 7.Frame 7 adopts the end cap of two deep drawn to make through butt welding at solder joint 5 places, after two inner end cap 2 are welded with the two ends of honeycomb metal carrier 4 respectively, again with frame 7 vacuum weldings, makes that the gap between them forms vacuum chamber 6.
The core body of honeycomb metal carrier 4 in the three-way catalytic converter of the utility model band vacuum chamber, be to make by the extraordinary ultra-thin stainless steel band of 0.03mm～0.08mm, inner end cap 2, the inner housing 5 of honeycomb metal carrier 4 are the heat-resistance stainless steel material and make, and outer end cap 1 and outer cylinder body 3 are also made for the heat-resistance stainless steel material.
The three-way catalytic converter of the utility model band vacuum chamber, because the size of used honeycomb metal carrier 4 is bigger, diameter uses so be fit to the bigger Motor Vehicle of discharge capacity, i.e. the automobile three-way catalytic converter greater than 63mm.
The three-way catalytic converter of the utility model band vacuum chamber, do not use ceramic asbestos lining, but because the vacuum chamber that forms between frame and the honeycomb metal carrier can internally play insulation effect, can externally play anti-chilling and antihunt action again, be a kind of three-way catalytic converter of new structure.
The three-way catalytic converter of the utility model band vacuum chamber, because the effect of its special vacuum chamber, make the ability of external conduction of temperature and radiation reduce greatly, the frame temperature of whole three-way catalytic converter is not high, can be used as the preferred forms of close coupling type automobile three-way catalytic converter, have great application value for the stricter Abgasgesetz that is about to implement.
Claims (5)
1, a kind of three-way catalytic converter with vacuum chamber is made up of honeycomb metal carrier (4) and frame (7) etc., it is characterized in that: form vacuum chamber (6) through vacuum welding between honeycomb metal carrier (4) and the frame (7).
2, the three-way catalytic converter of band vacuum chamber according to claim 1, it is characterized in that: said vacuum chamber (6) also can be that outer cylinder body (3) is formed frame (7) with outer end cap (1), forms vacuum chamber (6) through vacuum welding again and between metal (4) and the inner end cap (2).
3, the three-way catalytic converter of band vacuum chamber according to claim 1 is characterized in that: said vacuum chamber (6) also can frame (7) and metallic carrier (4) and inner end cap (2) between form vacuum chamber (6) through vacuum welding.
4, the three-way catalytic converter of band vacuum chamber according to claim 1 is characterized in that: the core body of said honeycomb metal carrier (4) is to be made by the extraordinary ultra-thin stainless steel band of 0.03mm～0.08mm.
5, the three-way catalytic converter of band vacuum chamber according to claim 1 is characterized in that: said honeycomb metal carrier (4) also can be ceramic monolith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02202494U CN2523960Y (en) | 2002-01-30 | 2002-01-30 | Ternary catalytic converter with vacuum chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02202494U CN2523960Y (en) | 2002-01-30 | 2002-01-30 | Ternary catalytic converter with vacuum chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2523960Y true CN2523960Y (en) | 2002-12-04 |
Family
ID=33685016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02202494U Expired - Lifetime CN2523960Y (en) | 2002-01-30 | 2002-01-30 | Ternary catalytic converter with vacuum chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2523960Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165699A (en) * | 2017-06-01 | 2017-09-15 | 江苏法瑞德专用汽车有限公司 | A kind of automobile exhaust and silencing means |
-
2002
- 2002-01-30 CN CN02202494U patent/CN2523960Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165699A (en) * | 2017-06-01 | 2017-09-15 | 江苏法瑞德专用汽车有限公司 | A kind of automobile exhaust and silencing means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANXI LIMIN MECHANICAL AND ELECTRICAL CO., LTD. Free format text: FORMER OWNER: SHANXI LIMIN MACHINE CO., LTD. Effective date: 20081107 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081107 Address after: New village, Taigu County, Shanxi Province: 030800 Patentee after: Shanxi Limin electromechanical Co., Ltd. Address before: 51 mailbox, Taigu County, Shanxi Province: 030800 Patentee before: Limin Machinery Co., Ltd., Shanxi Prov. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120130 Granted publication date: 20021204 |