CN106762109B - A kind of application method of turbocharger intellective protector - Google Patents
A kind of application method of turbocharger intellective protector Download PDFInfo
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- CN106762109B CN106762109B CN201710092064.2A CN201710092064A CN106762109B CN 106762109 B CN106762109 B CN 106762109B CN 201710092064 A CN201710092064 A CN 201710092064A CN 106762109 B CN106762109 B CN 106762109B
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- lubricating oil
- oil
- turbocharger
- gear pump
- intellective protector
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Abstract
The present invention relates to a kind of application methods of turbocharger intellective protector.Its technical solution is: lower tank, intermediate and upper cover form lubricating oil holding vessel, the centre of intermediate is equipped with the bracket extended downwardly, the bottom of bracket is equipped with gear pump, gear pump is connected to the direct current generator on the upside of intermediate by shaft coupling, the output end of gear pump is connected to the oil duct inside intermediate, and the lubricating oil pipeline of turbocharger is connected to by oil duct, and it is equipped with tiny stream reflux check valve on lubricating oil pipe road, realizes that lubricating oil flows back into make-up oil in lower tank by tiny stream reflux check valve.The configuration of the present invention is simple is small and exquisite, easy for installation, it is only necessary to be connected to circuit and lubricant passage way, so that it may realize the protection to turbocharger, and reequip and be easy, difficulty of construction is low, is easy to get large area and pushes away.
Description
Technical field
The present invention relates to a kind of turbocharger protection device and method, in particular to a kind of turbocharger intelligent protection
The application method of device.
Background technique
Turbocharger is that exhaust gas-driven turbine is discharged using engine, and turbine drives coaxial impeller again, impeller force feed by
Air cleaner filtered air is allowed to pressurization and enters cylinder, when starting revolving speed to speed, the exhaust gas velocity of discharge and secondary speed
It synchronizes and speeds, the more air of wheel compresses enter cylinder, and air pressure and density increase the more multi fuel that can burn, increases hair
Therefore the output power of motivation, turbocharging technology are widely applied.
By taking mass transit vehicle as an example, it is typically now fitted with turbocharger, mass transit vehicle 90 percent
All it is non-water-cooled booster above, since it is worked often under high speed, high temperature temperature, protects maintenance to require very it
It is high.
1, since booster is located at engine motor oil lubrication distalmost end, when booster works, maximum speed is up to per minute
Tens of thousands of to go to 200,000 turns, bearing used is floating bearing, floating bearing, under the pressure and shaft turning effort of lubricating oil,
Its surfaces externally and internally forms carrying oil film, so that rotor, bearing and bearing block is worked under non-contact condition, engine start mistake
Supercharger rotor has worked in journey, and bad abrasion caused by lagging at this time because of engine motor oil to booster, vehicle does not have to for a long time
It also requires manually to add lubricating oil to do pre-lubrication to booster oil input channel more than (one week), idling 3-5 minutes after starting.
2, after high engine speeds operating, cannot stop working immediately, it is necessary to idling 5 minutes, the reason is that when engine operation, supply
Lubrication and cooling of the booster machine oil for supercharger rotor and bearing, after shutting down suddenly, engine oil pressure zero, in oil lubricating
Disconnected, booster internal heat can not be taken away by machine oil, and at this moment booster turbine part conducts heat to bearing, bearing support shell
Interior temperature continues to increase, and supercharger rotor high speed rotation still under effect of inertia simultaneously, will cause supercharger rotor in this way
It is killed between bearing and damages bearing and axis, the temperature of flame-out heel row tracheae and exhaust gas volute is very high suddenly, (600 degree or more)
Its heat forms carbon deposit (230 degree of machine oil coking temperature or so) for the machine oil coking inside booster is trapped in, when carbon deposit is more long-pending
Oil inlet will be blocked when more, lead to axle sleeve oil starvation, turbine rotor and bearing wear is accelerated to increase resistance, bearing hair simultaneously
Heat, vicious circle make turbocharger impairment.(200 degree of delivery temperature or so when idle running, 5 minutes purposes of idling are to booster
Temperature drops to 230 degree or less).
Chinese patent literature Publication No. IO2536441A, patent name are " exhaust-driven turbo-charger exhaust-gas turbo charger automatic protection dress
Set ", including battery, power switch, relay, machine oil pressure warning sensor and are put out electromagnet, initial lubrication oil storage room
Fire lubrication oil storage room, the battery, power switch, relay, machine oil pressure warning sensor and electromagnet, which pass sequentially through, leads
Line connection.Using present invention can ensure that when engine work can store with certain lubricating oil.When engine rises
When dynamic, certain lubricating oil is provided to turbine wheel shaft and bearing in advance from Fuel Tanking Unit, when engine stall, plays lubrication
The effect of cooling turbine wheel shaft and bearing, to reduce the damage of exhaust-driven turbo-charger exhaust-gas turbo charger.Itself the problem is that: pass through electromagnetism
Iron, spring and piston realize the entrance of lubricating oil, and reliability is bad, is easy to appear failure, cannot be widely available application；Separately
Outside, also it is made to reequip work difficulty larger without forming a product that can directly install.
In addition, by taking the minitype carrier vehicle and family-sized car of installing turbocharger as an example: being generally pressurized using water cooling
Device, although excessively high without volute temperature after vehicle stall, the problem of causing carbon distribution, after switch-off, turbine be still
Under the action of inertia, continue to do high speed rotary motion, and lubricating system at this time decompression and has stopped working, this results in whirlpool
The abrasion of wheel reduces the service life of turbine, increases the burden of car owner；And small vehicle is also without pre-lubrication system, this
There is also the turbine wear problems at vehicle launch initial stage for sample, and the service life of turbine is caused to decline.
Summary of the invention
The purpose of the present invention is to drawbacks described above of the existing technology, provide a kind of turbocharger intelligent protection
The application method of device, modification difficulty is low, and the scale suitable for large-sized truck and small vehicle is reequiped, and reliable performance, prolongs
The service life of turbine is grown.
A kind of turbocharger intellective protector that the present invention mentions, including circuit board (1), upper cover (2), direct current generator
(3), intermediate (4), entering and exhaust channel (5), Liquid level air valve (6), lower tank (7), shaft coupling (8), bracket (9), gear pump
(10), tiny stream reflux check valve (12), pressure limiting overflow valve (13), oil duct (14), the lower tank (7), intermediate (4) and upper cover
(2) lubricating oil holding vessel is formed, the centre of intermediate (4) is equipped with the bracket (9) extended downwardly, and the bottom of bracket (9) is equipped with
Gear pump (10), gear pump (10) are connected to the direct current generator (3) on the upside of intermediate (4), gear pump (10) by shaft coupling (8)
Output end be connected to the internal oil duct (14) of intermediate (4), and the lubricating oil of turbocharger is connected to by oil duct (14)
Pipeline, and tiny stream reflux check valve (12) is equipped on lubricating oil pipe road, realize that lubricating oil returns by tiny stream reflux check valve (12)
Lower tank (7) interior make-up oil is flowed to, is equipped with pressure limiting overflow valve (13) in the downside right end of intermediate (4), pressure limiting overflow valve
(13) it is connected to oil duct (14), controls the pump pressure of lubricating oil in 0.2-0.4 megapascal by pressure limiting overflow valve (13)；In intermediate
(4) downside left end is equipped with Liquid level air valve (6), and Liquid level air valve (6) is connected to the entering and exhaust channel outside intermediate
(5), the top of the direct current generator (3) connects circuit board (1), and circuit board (l) is fixed on the inside top of upper cover (2).
The top of above-mentioned intermediate (4) is equipped with groove (15), and direct current generator (3) seat is in the center of groove, intermediate (4)
Center be equipped with channel for installing shaft coupling (8), the upper part of channel is uncovered structure, and beneath galleries are equipped with aperture
(16), the line shaft of gear pump (10) passes through aperture and connect with shaft coupling (8).
Above-mentioned intermediate (4) has screw thread, is connected through a screw thread lower tank (7), and intermediate (4) upper end passes through spiral shell
Bolt is flexibly connected with upper cover (2).
Further, a kind of application method for turbocharger intellective protector that the present invention mentions, comprising the following steps:
Firstly, the circuit board of intellective protector is connect with vehicle power supply, temperature sensor is mounted on the exhaust gas of booster
On volute, pressure switch is arranged on the lubricating pipe of lubricating oil, opens the ON shelves of car key, the 3-5 before starting engine
Second, intellective protector first works, and is pumped and is rotated by DC motor drives, and gear pump pumps out the lubricating oil in lower tank,
Oil pressure is controlled by pressure limiting overflow valve (13) in 0.2-0.4 megapascal, carries out pre-lubrication to booster, the oil pressure of lubricating pipe is built
It is vertical, rotation car key starting engine is continued to, intellective protector enters closed state, and intermediate is equipped at this time
Tiny stream reflux check valve (12) realizes lubricating oil to lower tank reflux lubricating oil；
Then, when engine is unexpected or normally stops working, normal oil lubricating pipeline loses pressure, and intellective protector is certainly
Simultaneously for a period of time, the DC motor drives of intellective protector pump rotation to delay working, and gear pump will be in lower tank for dynamic triggering
Lubricating oil pump out, feed lubrication is continued to the suspension bearing of booster, the temperature of exhaust gas volute is monitored by temperature sensor,
Until the temperature of exhaust gas volute is down to 220 degree hereinafter, direct current generator closing, avoids generating carbon distribution.
Above-mentioned intellective protector automatic trigger and 30 second time of delay working.
The beneficial effects of the present invention are: the temperature of exhaust gas volute is monitored by temperature sensor for large-sized truck,
And it controls lubricating oil and is stopping working rear continuous lubrication for a period of time, so that volute temperature is dropped to 220 degree hereinafter, avoiding generating
Carbon distribution avoids the damage of turbocharger；And the pre-lubrication before vehicle launch may be implemented, the abrasion of turbine is avoided, is mentioned
The high service life of turbine,
For small vehicle, pre-lubrication before mainly can be achieved on vehicle launch avoids the abrasion of turbine,
Delay lubrication after vehicle stall may be implemented continues to carry out continuing feed lubrication to the turbine under inertia motion, greatly mention
The high service life of turbine, reduces the probability of turbine damage.
In short, the configuration of the present invention is simple is small and exquisite, it is easy for installation, it is only necessary to be connected to circuit and lubricant passage way, so that it may real
It now to the protection of turbocharger, and reequips and is easy, difficulty of construction is low, and recondition expense is low, is easy to get and is widely applied.
Detailed description of the invention
Attached drawing 1 is structural schematic diagram of the invention；
Attached drawing 2 is the structural schematic diagram of intermediate of the invention；
Attached drawing 3 is functional block diagram when the invention works；
Attached drawing 4 is the structural schematic diagram when present invention uses；
In upper figure: circuit board 1, upper cover 2, direct current generator 3, intermediate 4, entering and exhaust channel 5, Liquid level air valve 6, lower tank
7, shaft coupling 8, bracket 9, gear pump 10, cable outlet 11, tiny stream reflux check valve 12, pressure limiting overflow valve 13, oil duct 14, groove
15, aperture 16)；Intellective protector a, booster b, engine c, pressure switch d, check valve e, thermocouple f, machine oil
Fuel feed pump g, machine oil oil return pipe h.
Specific embodiment
In conjunction with attached drawing 1-4, the invention will be further described:
A kind of turbocharger intellective protector that the present invention mentions, including circuit board 1, upper cover 2, direct current generator 3, centre
Body 4, entering and exhaust channel 5, Liquid level air valve 6, lower tank 7, shaft coupling 8, bracket 9, gear pump 10, tiny stream reflux check valve 12, limit
Pressurized overflow valve 13, oil duct 14, the lower tank 7, intermediate 4 and upper cover 2 form lubricating oil holding vessel, the centre of intermediate 4
Equipped with the bracket 9 extended downwardly, the bottom of bracket 9 is equipped with gear pump 10, and gear pump 10 is connected to intermediate by shaft coupling 8
The direct current generator 3 of 4 upsides, the output end of gear pump 10 is connected to the oil duct 14 inside intermediate 4, and is connected to by oil duct 14
The lubricating oil pipeline of turbocharger, and be equipped on lubricating oil pipe road tiny stream and flow back check valve 12, it is flowed back check valve by tiny stream
12 realization lubricating oil flow back into make-up oil in lower tank 7, are equipped with pressure limiting overflow valve 13, limit in the downside right end of intermediate 4
Pressurized overflow valve 13 is connected to oil duct 14, controls the pump pressure of lubricating oil in 0.2-0.4 megapascal by pressure limiting overflow valve 13；In intermediate
4 downside left end is equipped with Liquid level air valve 6, and Liquid level air valve 6 is connected to the entering and exhaust channel 5 outside intermediate, described
The top of direct current generator 3 connect circuit board 1, circuit board l is fixed on the inside top of upper cover 2.
Referring to attached drawing 2, the top of intermediate 4 is equipped with groove 15,3, the direct current generator centers in groove, in intermediate 4
The heart is equipped with the channel for installing shaft coupling 8, and the upper part of channel is uncovered structure, and beneath galleries are equipped with aperture 16, gear pump
10 line shaft passes through aperture and connect with shaft coupling 8；Intermediate 4 has screw thread, is connected through a screw thread lower tank 7, intermediate
4 upper end of body is flexibly connected by bolt with upper cover 2.
Referring to attached drawing 4, a kind of application method for turbocharger intellective protector that the present invention mentions, including following step
It is rapid:
Firstly, the circuit board of intellective protector is connect with vehicle power supply, temperature sensor is mounted on the exhaust gas of booster
On volute, pressure switch is arranged on the lubricating pipe of lubricating oil, opens the ON shelves of car key, the 3-5 before starting engine
Second, intellective protector first works, and is pumped and is rotated by DC motor drives, and gear pump pumps out the lubricating oil in lower tank,
Oil pressure is controlled by pressure limiting overflow valve 13 in 0.2-0.4 megapascal, is preferred with 0.3 megapascal, carries out pre-lubrication, lubrication management to booster
The oil pressure on road is established, and continues to rotation car key starting engine, intellective protector enters closed state, intermediate at this time
The tiny stream reflux check valve 12 that body is equipped with realizes lubricating oil to lower tank reflux lubricating oil；
Then, when engine is unexpected or normally stops working, normal oil lubricating pipeline loses pressure, and intellective protector is certainly
Dynamic triggering and delay working 30 seconds or so time, the DC motor drives of intellective protector pump rotation, and gear pump is by lower tank
Intracorporal lubricating oil pumps out, and continues feed lubrication to the suspension bearing of booster, monitors exhaust gas volute by temperature sensor
Temperature, until the temperature of exhaust gas volute is down to 220 degree hereinafter, direct current generator closing, avoids generating carbon distribution.
The present invention is as follows in the application effect of large-sized truck:
During requirement with flame-out preceding necessary idling operation in 5 minutes within 3~5 minutes after cart starting, engine needs
Idling turn 8 minutes, by taking 200 kilowatts of engines as an example, 320 milliliters or so of consumed diesel oil, as the every workday shuts down 6 times
Consumed diesel oil consumes about 600 liters of diesel oil or so more than 2 liters, as each car was calculated by 10 months, in the failure of turbocharger
The waste of process intermediate fuel oil is surprising；For large-sized truck, the temperature of exhaust gas volute is monitored by temperature sensor, and is controlled
Lubricating oil continuous lubrication after flame-out for a period of time, so that volute temperature is dropped to 220 degree hereinafter, avoid generating carbon distribution, is kept away
Exempt from the damage of turbocharger；And the pre-lubrication before vehicle launch may be implemented, the abrasion of turbine is avoided, turbine is improved
Service life.
In addition, the present invention also can be applied to the small vehicle of installation turbocharger, small vehicle is typically equipped with water
SAPMAC method device, although excessively high without volute temperature after vehicle stall, the problem of causing carbon distribution, after switch-off, turbine
It is still under the action of inertia, to continue to do high speed rotary motion, and lubricating system at this time decompression and has stopped working, this
The abrasion for resulting in turbine reduces the service life of turbine, increases the burden of car owner；And small vehicle is also without pre-lubrication
System, there is also the turbine wear problems at vehicle launch initial stage in this way, and the service life of turbine is caused to decline.By installing this hair
Bright, the pre-lubrication before vehicle launch may be implemented avoids the abrasion of turbine, the delay profit after vehicle stall also may be implemented
It is sliding, continue that the turbine under inertia motion is carried out to continue feed lubrication, greatly improves the service life of turbine, reduce whirlpool
Take turns the probability of damage.
In short, the configuration of the present invention is simple is small and exquisite, it is easy for installation, it is only necessary to be connected to the circuit and lubricant passage way of vehicle, just
The protection to turbocharger may be implemented, and reequip and be easy, difficulty of construction is low, and recondition expense is low, is easy to get large area
It promotes, and fuel oil can be saved, realize energy-saving and emission-reduction, especially for cart, fuel-economizing is more obvious.
Claims (2)
1. a kind of application method of turbocharger intellective protector, it is characterized in that the following steps are included:
Firstly, the circuit board of intellective protector is connect with vehicle power supply, temperature sensor is mounted on the exhaust gas volute of booster
On, pressure switch is arranged on the lubricating pipe of lubricating oil, the ON shelves of car key are opened, 3-5 seconds before starting engine,
Intellective protector first works, and is pumped and is rotated by DC motor drives, and gear pump pumps out the lubricating oil in lower tank, oil pressure
By pressure limiting overflow valve (13) control in 0.2-0.4 megapascal, pre-lubrication is carried out to booster, the oil pressure of lubricating pipe is established, into
One step continues to rotate car key starting engine, and intellective protector enters closed state, and the tiny stream that intermediate is equipped at this time returns
Flowing check valve (12) realizes lubricating oil to lower tank reflux lubricating oil；
Then, when engine is unexpected or normally stops working, normal oil lubricating pipeline loses pressure, and intellective protector touches automatically
Send out and delay working for a period of time, the DC motor drives of intellective protector pump rotation, and gear pump is by the profit in lower tank
Lubricating oil pumps out, and continues feed lubrication to the suspension bearing of booster, the temperature of exhaust gas volute is monitored by temperature sensor, until
The temperature of exhaust gas volute is down to 220 degree hereinafter, direct current generator closing, avoids generating carbon distribution；
The intellective protector includes circuit board (1), upper cover (2), direct current generator (3), intermediate (4), entering and exhaust channel (5), liquid
Position control air valve (6), lower tank (7), shaft coupling (8), bracket (9), gear pump (10), tiny stream reflux check valve (12), pressure limiting are overflow
Valve (13), oil duct (14) are flowed, the lower tank (7), intermediate (4) and upper cover (2) form lubricating oil holding vessel, intermediate
(4) centre is equipped with the bracket (9) extended downwardly, and the bottom of bracket (9) is equipped with gear pump (10), and gear pump (10) passes through connection
Axis device (8) is connected to the direct current generator (3) on the upside of intermediate (4), and it is internal that the output end of gear pump (10) is connected to intermediate (4)
Oil duct (14), and be connected to the lubricating oil pipeline of turbocharger by oil duct (14), and be equipped on lubricating oil pipe road
Tiny stream flows back check valve (12), realizes that lubricating oil flows back into lower tank (7) interior make-up oil by tiny stream reflux check valve (12),
The downside right end of intermediate (4) is equipped with pressure limiting overflow valve (13), and pressure limiting overflow valve (13) is connected to oil duct (14), is overflow by pressure limiting
The pump pressure of valve (13) control lubricating oil is flowed in 0.2-0.4 megapascal；Liquid level air valve is equipped in the downside left end of intermediate (4)
(6), and Liquid level air valve (6) is connected to the entering and exhaust channel (5) outside intermediate, and the top of the direct current generator (3) connects
Circuit board (1) is connect, circuit board (l) is fixed on the inside top of upper cover (2).
2. the application method of turbocharger intellective protector according to claim 1, it is characterized in that: intellective protector is certainly
Dynamic triggering and 30 second time of delay working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710092064.2A CN106762109B (en) | 2015-04-24 | 2015-04-24 | A kind of application method of turbocharger intellective protector |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510199157.6A CN104819050B (en) | 2015-04-24 | 2015-04-24 | A kind of turbocharger intellective protector |
| CN201710092064.2A CN106762109B (en) | 2015-04-24 | 2015-04-24 | A kind of application method of turbocharger intellective protector |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510199157.6A Division CN104819050B (en) | 2015-04-24 | 2015-04-24 | A kind of turbocharger intellective protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106762109A CN106762109A (en) | 2017-05-31 |
| CN106762109B true CN106762109B (en) | 2019-01-08 |
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ID=53729489
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710092064.2A Expired - Fee Related CN106762109B (en) | 2015-04-24 | 2015-04-24 | A kind of application method of turbocharger intellective protector |
| CN201510199157.6A Expired - Fee Related CN104819050B (en) | 2015-04-24 | 2015-04-24 | A kind of turbocharger intellective protector |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510199157.6A Expired - Fee Related CN104819050B (en) | 2015-04-24 | 2015-04-24 | A kind of turbocharger intellective protector |
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| CN (2) | CN106762109B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047945A (en) * | 2021-04-16 | 2021-06-29 | 杜润德 | Turbocharger protector and method |
| CN115596549B (en) * | 2022-12-08 | 2023-03-10 | 常州柯林电子科技技术有限公司 | Natural gas combustion hybrid variable frequency motor assembly and working method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0974743B1 (en) * | 1998-07-21 | 2003-03-12 | Honda Giken Kogyo Kabushiki Kaisha | Lubrication system of reciprocating piston type compressor for engine supercharging |
| WO2008029211A1 (en) * | 2006-09-06 | 2008-03-13 | Toyota Jidosha Kabushiki Kaisha | Electric supercharger |
| CN201363195Y (en) * | 2009-03-13 | 2009-12-16 | 卢秉忠 | Supercharger starting oil storage tank |
| JP2011047298A (en) * | 2009-08-26 | 2011-03-10 | Isuzu Motors Ltd | Lubricating device of internal combustion engine and internal combustion engine |
| CN202039942U (en) * | 2011-04-20 | 2011-11-16 | 施松柏 | Independent lubricating and driving system of turbo charger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0726971A (en) * | 1993-07-09 | 1995-01-27 | Mazda Motor Corp | Lubricating device of engine provided with turbosupercharger |
| KR20020080973A (en) * | 2001-04-18 | 2002-10-26 | 기아자동차주식회사 | Exhaust gas turbo-charger protecting device |
| CN201461076U (en) * | 2009-04-15 | 2010-05-12 | 施松柏 | Independent lubricating system for engine pressure booster |
| CN103184928B (en) * | 2011-12-29 | 2015-02-25 | 广西玉柴机器股份有限公司 | Fuel cut-off protection device for turbocharger |
| CN102536441A (en) * | 2012-02-28 | 2012-07-04 | 中国人民解放军军事交通学院 | Automatic protection device for exhaust gas turbocharger |
| CN204591468U (en) * | 2015-04-24 | 2015-08-26 | 杜润德 | A kind of turbosupercharger intellective protector |
-
2015
- 2015-04-24 CN CN201710092064.2A patent/CN106762109B/en not_active Expired - Fee Related
- 2015-04-24 CN CN201510199157.6A patent/CN104819050B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0974743B1 (en) * | 1998-07-21 | 2003-03-12 | Honda Giken Kogyo Kabushiki Kaisha | Lubrication system of reciprocating piston type compressor for engine supercharging |
| WO2008029211A1 (en) * | 2006-09-06 | 2008-03-13 | Toyota Jidosha Kabushiki Kaisha | Electric supercharger |
| CN201363195Y (en) * | 2009-03-13 | 2009-12-16 | 卢秉忠 | Supercharger starting oil storage tank |
| JP2011047298A (en) * | 2009-08-26 | 2011-03-10 | Isuzu Motors Ltd | Lubricating device of internal combustion engine and internal combustion engine |
| CN202039942U (en) * | 2011-04-20 | 2011-11-16 | 施松柏 | Independent lubricating and driving system of turbo charger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104819050A (en) | 2015-08-05 |
| CN106762109A (en) | 2017-05-31 |
| CN104819050B (en) | 2017-03-15 |
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