CN2888093Y - Worm wheel supercharger protection system - Google Patents
Worm wheel supercharger protection system Download PDFInfo
- Publication number
- CN2888093Y CN2888093Y CNU2006200547724U CN200620054772U CN2888093Y CN 2888093 Y CN2888093 Y CN 2888093Y CN U2006200547724 U CNU2006200547724 U CN U2006200547724U CN 200620054772 U CN200620054772 U CN 200620054772U CN 2888093 Y CN2888093 Y CN 2888093Y
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- China
- Prior art keywords
- oil
- worm wheel
- pressure booster
- wheel pressure
- accumulator
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- 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 - Fee Related
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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
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Abstract
The utility model relates to a protective system for turbo superchargers and is composed of a turbo supercharger bearing assembly and is used as the under-pressure lubricating oil supply system for the bearing assembly. An pressure-reserve and oil storage device is arranged in this oil supply system which is used to store oil energy. The pressure-reserve and oil storage device is connected with the oil pumping pipeline, which is composed of an accumulator which exchanges energy with the oil pumping pipeline. While the under-pressure oil from the lubricating oil pump is supplied to the bearing assembly, excess oil in the oil pumping pipe is stored in the accumulator; in case the oil from the lubricating oil pump cannot meet the requirements of the bearing assembly, the oil stored in the accumulator can be released. The utility model relates simple, reliable, and can ensure a lifecycle for the turbo supercharger, and especially fits for vehicle engines.
Description
Technical field
The utility model relates to the lubrication system of motor, particularly the lubrication system of explosive motor waste gas worm wheel pressure booster.The utility model is applicable to the internal-combustion engine of waste gas worm gear supercharging, is specially adapted to have the diesel engine of worm wheel pressure booster.
Background technique
The above diesel engine of mid power adopts the waste gas worm gear supercharging mostly at present.Not only can improve power 30%~100% even more, also can reduce the specific power quality, dwindle boundary dimension, save material, reduce fuel consume.
Because waste gas worm wheel pressure booster rotor shaft rotating speed is up to the tens thousand of commentaries on classics of per minute even more than hundreds thousand of commentaries on classics, if adopt plain bearing commonly used in the common mechanical, because of the Sliding velocity between rotor shaft surface and bearing inner surface is quite high, plain bearing is easy to wearing and tearing.Generally adopt floating bearing at present, leave the gap between floating bearing and the rotor shaft.When the rotor shaft high speed rotating, the lubricant oil with pressure enters the gap between floating bearing and the rotor shaft, rotor shaft is floated rotate in the oil film of floating bearing.Pressure lubrication oil is from the main oil gallery of diesel engine, through the pressuring oil pipe road, enters the cartridge housing oil pocket of worm wheel pressure booster, and the branch both sides flow to floating bearing and are lubricated and cool off, and oil outlet flows back to fuel tank through its underpart, forms a continuous circuit lubricant passage way system.
Because of the pressure of lubricant oil in the main oil gallery of diesel engine, be reduced to zero rapidly with the shutdown of diesel engine, but the rotor shaft of worm wheel pressure booster can remain in operation one minute because of former the carrying on as before of its rotator inertia.Before this just requires diesel engine to shut down, be allowed to condition at 3 to 5 fens clock times of running under the idling, stop lentamente again.So that allow lubricant oil that floating bearing and heat are on every side taken away, in order to avoid burn out the phenomenon appearance that seal ring, bearing seizure and cartridge housing distortion etc. damage worm wheel pressure boosters.
The defective of prior art is: the programmed sequence of operations trouble when diesel engine is shut down, the proper lubrication of the rotor shaft of worm wheel pressure booster and floating bearing in the time of can not guaranteeing to shut down suddenly.
Summary of the invention
The technical problems to be solved in the utility model is to avoiding above-mentioned the deficiencies in the prior art part, and a kind of reliable worm wheel pressure booster protective system is provided.
The utility model is to solve the technical problem to adopt following technological scheme:
The worm wheel pressure booster protective system comprises the bearing support assembly of worm wheel pressure booster, and the oil supply system of pressure lubrication oil is provided for the bearing support assembly.Its main feature is, is provided with the pressurize Fuel Tanking Unit in the described oil supply system, is used for the energy storage of oil supply system pressure lubrication oil.Described oil supply system is included as the pressuring oil pipe road that this system provides the lubricating pump of pressure energy and is connected to the bearing support assembly.Described pressurize Fuel Tanking Unit is connected on the pressuring oil pipe road of oil supply system, and this pressurize Fuel Tanking Unit comprises the accumulator that can carry out energy interchange with described pressuring oil pipe road.When the pressure lubrication oil that lubricating pump provides guaranteed bearing support assembly supply pressure lubricant oil, pressure lubrication oil unnecessary in the pressuring oil pipe road was stored in the accumulator; When the pressure lubrication oil that provides at lubricating pump can not satisfy the needs of bearing support assembly, the pressure lubrication oil that accumulator can provide it to store for the pressuring oil pipe road again.
Compare with prior art, use the advantage of the utility model worm wheel pressure booster protective system to be:
1. can guarantee the proper lubrication of worm wheel pressure booster when diesel engine is shut down suddenly, simplify the programmed sequence of operations that needs idling a period of time before shutting down.
2. system design is simple, and cost of production is low, stable performance, reliability height.
3. the oil consumption before having saved diesel engine and shutting down during idling has reduced discharge of harmful gases.
Description of drawings
Fig. 1 is the logic block-diagram of the utility model worm wheel pressure booster protective system.
Fig. 2 is a kind of embodiment's of the utility model worm wheel pressure booster protective system a schematic diagram.
Embodiment
Further specify embodiment of the present utility model below in conjunction with accompanying drawing.
Fig. 1 is the logic block-diagram of the utility model worm wheel pressure booster protective system; the bearing support assembly 2 that comprises worm wheel pressure booster; the oil supply system 3 of pressure lubrication oil is provided for bearing support assembly 2; and the pressurize Fuel Tanking Unit 4 that connects oil supply system 3, this pressurize Fuel Tanking Unit 4 is used for storing the unnecessary pressure energy of oil supply system 3.
Fig. 2 is a kind of embodiment's of the utility model worm wheel pressure booster protective system a schematic diagram, can see among the figure that oil supply system 3 is included as the pressuring oil pipe road 3A that this system provides the lubricating pump 3C of pressure energy and is connected to bearing support assembly 2 filler opening 2D.Pressurize Fuel Tanking Unit 4 is connected on the pressuring oil pipe road 3A of oil supply system 3, the accumulator 4A of the main body of this pressurize Fuel Tanking Unit 4 for carrying out energy interchange with pressuring oil pipe road 3A.
Its working principle is: the pressure lubrication oil that lubricating pump 3C provides for oil supply system 3, after lubricating oil purifier 3F filtering,, enter pressuring oil pipe road 3A by safety check 3B, and arrive the filler opening 2D of the bearing support assembly 2 of worm wheel pressure booster again.Have the oil pocket of the lubricant oil of pressure from cartridge housing 2C, the branch both sides flow to floating bearing 2B, arrive the gap between floating bearing 2B and the rotor shaft 2A, are lubricated and cool off, and rotor shaft 2A is floated rotate in the oil film of floating bearing 2B.Lubricant oil releases from the gap of floating bearing 2B then, is connected the return line 3D of its oil outlet 2E through bearing support assembly 2 bottoms, flows back among the fuel tank 3E and goes, and has finished the work cycle of the lubricant oil of oil supply system 3.
When the diesel engine proper functioning, pressure lubrication oil in the 3A of pressuring oil pipe road, outside the supply of assurance to the bearing support assembly 3 of worm wheel pressure booster, unnecessary pressure lubrication oil in the 3A of pressuring oil pipe road, back pressure valve 4B2 through among the unidirectional back pressure valve 4B that is connected accumulator 4A filler opening has been stored among the accumulator 4A.
Rotating speed decline, idling, shutdown or other situations when diesel engine; when causing pressure lubrication shortage of oil that the lubricating pump 3C of oil supply system 3 provides with the needing of the bearing support assembly 2 that guarantees worm wheel pressure booster; the pressure lubrication oil that has stored among the accumulator 4A again conversely; by the one-way valve 4B1 among the unidirectional back pressure valve 4B; turn back among the 3A of pressuring oil pipe road; continue as bearing support assembly 2 the pressure energy is provided; to keep worm wheel pressure booster energy runs steadily a period of time, can recover normally to provide pressure lubrication oil again until complete stall of worm wheel pressure booster or lubricating pump 3C.
Among the utility model worm wheel pressure booster protective system embodiment; back pressure valve 4B2 among the unidirectional back pressure valve 4B that the filler opening of accumulator 4A connects is provided with pressure adjustmenting mechanism; be used to adjust the pressure starting point of pressuring oil pipe road 3A to accumulator 4A pressure store lubricant oil; the bearing support assembly 2 that guarantees worm wheel pressure booster is on the basis that has obtained enough pressure lubrication oil; again with the lubricating pump 3C of oil supply system 3 to the unnecessary pressure energy that pressuring oil pipe road 3A provides, be stored among the accumulator 4A.
Among the embodiment, the joint that pressuring oil pipe road 3A and accumulator 4A carry out energy interchange is the threeway node just, and lubricating pump 3C is in series with safety check 3B between the fuel feeding direction of pressuring oil pipe road 3A, the lubricating pump 3C that is used for oil supply system 3 is when stopping pressure lubrication oil is provided, prevent that the pressure lubrication oil that stores among the accumulator 4A from dischargeing in vain from oil supply system 3, guarantee to be stored in the bearing support assembly 2 that pressure lubrication oil among the accumulator 4A only offers worm wheel pressure booster.
From embodiment as can be seen; the characteristics of the utility model worm wheel pressure booster protective system are simplicity of design; to existing worm wheel pressure booster lubrication system; only need to increase a spot of component such as accumulator and just can realize that cost of production is very low, and stable performance; the reliability height; can ensure the working life of waste gas worm gear supercharging machine, have broad application area, be specially adapted to vehicular engine.
Claims (8)
1. worm wheel pressure booster protective system comprises the bearing support assembly (2) of worm wheel pressure booster, and the oil supply system (3) of pressure lubrication oil is provided for bearing support assembly (2); It is characterized in that: be provided with pressurize Fuel Tanking Unit (4) in the described oil supply system (3).
2. worm wheel pressure booster protective system according to claim 1 is characterized in that: described oil supply system (3) is included as the pressuring oil pipe road (3A) that this system (3) provides the lubricating pump (3C) of pressure energy and is connected to bearing support assembly (2).
3. worm wheel pressure booster protective system according to claim 2 is characterized in that: described pressurize Fuel Tanking Unit (4) is connected on the pressuring oil pipe road (3A) of oil supply system (3).
4. worm wheel pressure booster protective system according to claim 3 is characterized in that: described pressurize Fuel Tanking Unit (4) comprises the accumulator (4A) that can carry out energy interchange with described pressuring oil pipe road (3A).
5. worm wheel pressure booster protective system according to claim 4 is characterized in that: the filler opening of described accumulator (4A) is connected with unidirectional back pressure valve (4B).
6. worm wheel pressure booster protective system according to claim 5 is characterized in that: described unidirectional back pressure valve (4B) is provided with pressure adjustmenting mechanism.
7. worm wheel pressure booster protective system according to claim 5 is characterized in that: described pressuring oil pipe road (3A) is in series with safety check (3B) with the joint that accumulator (4A) carries out energy interchange in the oil-feed direction of pressuring oil pipe road (3A).
8. worm wheel pressure booster protective system according to claim 3 is characterized in that: described oil supply system (3) is provided with the return line (3D) from bearing support assembly (2) to fuel tank (3E).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2006200547724U CN2888093Y (en) | 2006-01-25 | 2006-01-25 | Worm wheel supercharger protection system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2006200547724U CN2888093Y (en) | 2006-01-25 | 2006-01-25 | Worm wheel supercharger protection system |
Publications (1)
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CN2888093Y true CN2888093Y (en) | 2007-04-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNU2006200547724U Expired - Fee Related CN2888093Y (en) | 2006-01-25 | 2006-01-25 | Worm wheel supercharger protection system |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102588034A (en) * | 2012-03-19 | 2012-07-18 | 上海三一重机有限公司 | Intelligent real-time protecting device for engine |
CN103032155A (en) * | 2011-10-06 | 2013-04-10 | 通用汽车环球科技运作有限责任公司 | Engine assembly including fluid control to boost mechanism |
CN103184928A (en) * | 2011-12-29 | 2013-07-03 | 广西玉柴机器股份有限公司 | Fuel cut-off protection device for turbocharger |
GB2572188A (en) * | 2018-03-22 | 2019-09-25 | Ford Global Tech Llc | A pressurised oil reservoir device |
-
2006
- 2006-01-25 CN CNU2006200547724U patent/CN2888093Y/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103032155A (en) * | 2011-10-06 | 2013-04-10 | 通用汽车环球科技运作有限责任公司 | Engine assembly including fluid control to boost mechanism |
US8959911B2 (en) | 2011-10-06 | 2015-02-24 | GM Global Technology Operations LLC | Engine assembly including fluid control to boost mechanism |
CN103032155B (en) * | 2011-10-06 | 2015-05-20 | 通用汽车环球科技运作有限责任公司 | Engine assembly including fluid control to boost mechanism |
CN103184928A (en) * | 2011-12-29 | 2013-07-03 | 广西玉柴机器股份有限公司 | Fuel cut-off protection device for turbocharger |
CN102588034A (en) * | 2012-03-19 | 2012-07-18 | 上海三一重机有限公司 | Intelligent real-time protecting device for engine |
CN102588034B (en) * | 2012-03-19 | 2013-12-18 | 上海三一重机有限公司 | Intelligent real-time protecting device for engine |
GB2572188A (en) * | 2018-03-22 | 2019-09-25 | Ford Global Tech Llc | A pressurised oil reservoir device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070411 Termination date: 20140125 |