CN104500282A - EGR (exhaust gas recirculation) cooler with variable cooling efficiency - Google Patents
EGR (exhaust gas recirculation) cooler with variable cooling efficiency Download PDFInfo
- Publication number
- CN104500282A CN104500282A CN201410776267.XA CN201410776267A CN104500282A CN 104500282 A CN104500282 A CN 104500282A CN 201410776267 A CN201410776267 A CN 201410776267A CN 104500282 A CN104500282 A CN 104500282A
- Authority
- CN
- China
- Prior art keywords
- gear
- cooler
- valve rod
- exhaust gas
- egr
- 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.)
- Pending
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Classifications
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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 invention discloses an EGR (exhaust gas recirculation) cooler with variable cooling efficiency. The EGR cooler comprises a cooler shell (8), a by-pass pipe (10), a cooling air pipe (11), a direct-current motor (1), a motor gear (2), three passive gears (3), a transition gear (6), a valve rod (7) and a valve plate (9); the motor gear (2) is directly arranged on the direct-current motor (1); the motor gear (2) is meshed with a rack wheel (4) of the three passive gears (3); a pinion (5) of the three passive gears (3) is meshed with the transition gear (6); the transition gear (6) is arranged on the valve rod (7); the valve rod (7) is arranged on the cooler shell (8); the valve plate (9) is arranged on the valve rod (7) and is arranged in the by-pass pipe (10). The EGR cooler disclosed by the invention has the advantages that the valve plate (9) is controlled through the direct-current motor (1) and the transmission deceleration of a gear train, so the control precision is high, and the high-precision RGR cooling efficiency can be obtained.
Description
Technical field
The present invention relates to a kind of cooler for recycled exhaust gas
,in particular to a kind of can the cooler for recycled exhaust gas of controlled cooling model efficiency.
Background technique
Along with engine emission requirements is more and more higher, the cooler for recycled exhaust gas of single cooling effectiveness day by day cannot meet motor maximum discharge requirement, and the cooler for recycled exhaust gas of domestic production is at present mostly single cooling effectiveness, the cooler for recycled exhaust gas of variable cooling effectiveness provided herein can meet motor requirement to different EGR cooling effectiveness when different operating mode, thus improves engine emission levels; And structure is simple, small volume, is conducive to space and arranges.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of can the cooler for recycled exhaust gas of controlled cooling model efficiency, in cooler, bypass tube is installed, in bypass tube, valve block is installed, direct current generator is adopted to control valve block aperture by gear train, thus the gas flow in control bypass tube, reach the object of controlled cooling model efficiency.
Technological scheme of the present invention is:
The cooler for recycled exhaust gas of variable cooling effectiveness, comprises cooler casing, bypass tube, cooling tracheae, direct current generator, motor gear, driven gear, transition gear, valve rod and valve block.
Motor gear is directly installed on direct current generator, motor gear engages with the gearwheel of three driven gears, the small gear of three driven gears engages with transition gear, transition gear is contained on valve rod, valve rod is arranged on cooler casing, valve block to be arranged on valve rod 7 and to be placed in bypass tube, transition gear be rotated through the opening and closing that valve rod band moving valve plate realizes bypass tube.
Beneficial effect:
It is gearwheel that three driven gears are designed to one end, and the other end is small gear, and gearwheel engages with motor gear, and small gear engages with transition gear; Transition gear is designed to connect as one with valve rod and valve block, and is arranged on cooler casing, and valve block is placed in bypass tube.
Power to direct current generator, the transmission of motor gear and driven gear and transition gear is slowed down, band ovable valve stem and valve block rotate, and realize unlatching or the closing function of passage; Regulate direct current generator supply current, the angle that controllable valve sheet rotates, realize the variable control of bypass tube circulation area.
Description of the invention is only exemplary in nature, and therefore, the change not departing from its essence still comprises within the scope of the invention.This change must not be considered to depart from the spirit and scope of the present invention.
Accompanying drawing explanation
Fig. 1 is the cooler for recycled exhaust gas structural representation of variable cooling effectiveness.
In figure, the gearwheel of 1-direct current generator, 2-motor gear, 3-driven gear, 4-driven gear 3, the small gear of 5-driven gear 3,6-transition gear, 7-valve rod, 8-cooler casing, 9-valve block, 10-bypass tube, 11-cool tracheae.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
The cooler for recycled exhaust gas of variable cooling effectiveness, as shown in Figure 1, comprise direct current generator 1, motor gear 2 is arranged on direct current generator 1, motor gear 2 is meshed with the gearwheel 4 of three driven gears 3, the small gear 5 of three driven gears 3 is meshed with transition gear 6, transition gear 6 and valve rod 7 be an integral installation on cooler casing 8, valve block 9 to be arranged on valve rod 7 and to be placed in bypass tube 10.
The cooler for recycled exhaust gas of variable cooling effectiveness is designed to built-in bypass line 10, bypass tube 10 is more many greatly than the diameter of cooling tracheae 11, high-temperature gas can be passed through bypass tube 10 and cooling tracheae 11 circulates, by controlling the aperture of valve block 9, can realize controlling the gas flow flux in bypass tube 10, make cooling effectiveness continuously adjustabe.When needs obtain maximum cooling effectiveness, controllable valve sheet 9 closes bypass tube, and high-temperature gas is all passed through from cooling tracheae 11, and gas cooling area is large, significantly can reduce gas temperature, thus obtain high cooling effectiveness; Otherwise, if when need obtain minimum cooling effectiveness, then control valve block 9 and open bypass tube 10, make part high-temperature gas directly by bypass tube 10, with the gas and vapor permeation by cooling tracheae 11, air outlet gas temperature can be made to raise, thus obtain low cooling effectiveness.
Valve block 9 is slowed down by direct current generator 1 and train of gearings transmission and controls, and control accuracy is high, can obtain high-precision EGR cooling effectiveness.
Claims (1)
1. the cooler for recycled exhaust gas of variable cooling effectiveness, comprise cooler casing (8), bypass tube (10), cooling tracheae (11), direct current generator (1), motor gear (2), driven gear (3), transition gear (6), valve rod (7) and valve block (9), it is characterized in that: described motor gear (2) is directly installed on direct current generator (1), motor gear (2) engages with the gearwheel (4) of three driven gears (3), the small gear (5) of three driven gears (3) engages with transition gear (6), transition gear (6) is contained on valve rod (7), valve rod (7) is arranged on cooler casing (8), valve block (9) is arranged on valve rod (7) and goes up and be placed in bypass tube (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410776267.XA CN104500282A (en) | 2014-12-15 | 2014-12-15 | EGR (exhaust gas recirculation) cooler with variable cooling efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410776267.XA CN104500282A (en) | 2014-12-15 | 2014-12-15 | EGR (exhaust gas recirculation) cooler with variable cooling efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104500282A true CN104500282A (en) | 2015-04-08 |
Family
ID=52941720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410776267.XA Pending CN104500282A (en) | 2014-12-15 | 2014-12-15 | EGR (exhaust gas recirculation) cooler with variable cooling efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500282A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775945A (en) * | 2015-04-25 | 2015-07-15 | 无锡隆盛科技股份有限公司 | EGR (exhaust gas recirculation) valve integrating device for automobile engine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4430648A1 (en) * | 1994-08-29 | 1996-03-07 | Flucorrex Ag Flawil | Recuperator control, suitable for heat recovery at constant temp., from flues or dryers; avoids |
| EP1367253A1 (en) * | 2002-05-28 | 2003-12-03 | Estampaciones Noroeste, S.A. | Heat exchanger for an EGR system with an integrated by-pass duct. |
| WO2008144686A1 (en) * | 2007-05-21 | 2008-11-27 | Borgwarner Inc. | Valve module for a combustion engine breathing system |
| US20100089370A1 (en) * | 2008-10-10 | 2010-04-15 | Denso Corporation | Exhaust gas recirculation system |
| CN203499860U (en) * | 2013-09-29 | 2014-03-26 | 长城汽车股份有限公司 | EGR cooler of internal bypass structure |
| CN204299728U (en) * | 2014-12-15 | 2015-04-29 | 无锡隆盛科技股份有限公司 | The cooler for recycled exhaust gas of variable cooling effectiveness |
-
2014
- 2014-12-15 CN CN201410776267.XA patent/CN104500282A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4430648A1 (en) * | 1994-08-29 | 1996-03-07 | Flucorrex Ag Flawil | Recuperator control, suitable for heat recovery at constant temp., from flues or dryers; avoids |
| EP1367253A1 (en) * | 2002-05-28 | 2003-12-03 | Estampaciones Noroeste, S.A. | Heat exchanger for an EGR system with an integrated by-pass duct. |
| WO2008144686A1 (en) * | 2007-05-21 | 2008-11-27 | Borgwarner Inc. | Valve module for a combustion engine breathing system |
| US20100089370A1 (en) * | 2008-10-10 | 2010-04-15 | Denso Corporation | Exhaust gas recirculation system |
| CN203499860U (en) * | 2013-09-29 | 2014-03-26 | 长城汽车股份有限公司 | EGR cooler of internal bypass structure |
| CN204299728U (en) * | 2014-12-15 | 2015-04-29 | 无锡隆盛科技股份有限公司 | The cooler for recycled exhaust gas of variable cooling effectiveness |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775945A (en) * | 2015-04-25 | 2015-07-15 | 无锡隆盛科技股份有限公司 | EGR (exhaust gas recirculation) valve integrating device for automobile engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150408 |