CN110469398A - A kind of turbocharger with oil-returning structure - Google Patents
A kind of turbocharger with oil-returning structure Download PDFInfo
- Publication number
- CN110469398A CN110469398A CN201910725368.7A CN201910725368A CN110469398A CN 110469398 A CN110469398 A CN 110469398A CN 201910725368 A CN201910725368 A CN 201910725368A CN 110469398 A CN110469398 A CN 110469398A
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- CN
- China
- Prior art keywords
- oil
- bearing body
- position sensor
- bearing
- turbocharger
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/14—Lubrication of pumps; Safety measures therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Supercharger (AREA)
Abstract
The present invention provides a kind of turbocharger with oil-returning structure, including compressor, turbine, bearing body, upper limit position sensor, lower position sensor, scavenge oil pump, the bearing body is hollow structure, its inner support installation axle, the left and right ends that axis is pierced by bearing body are separately connected compressor and turbine；The bearing body is respectively equipped with bearing body oil inlet and bearing body oil outlet in two sides up and down, scavenge oil pump, upper limit position sensor and lower position sensor is fixedly mounted in the lower sidewalls of the bearing body, and the equal signal of the upper limit position sensor, the lower position sensor, the scavenge oil pump connects the ECU.Method of the present invention by installing scavenge oil pump and machine oil position sensor in the bearing body of turbocharger, it realizes when monitoring that bearing body inner engine oil liquid level is higher than alert locations, open scavenge oil pump, the function that the intracorporal machine oil of bearing is directly drawn back to oil sump, avoid due to oil return it is unsmooth caused by turbocharger oil leak the problem of.
Description
Technical field
The invention belongs to field of electromechanical technology, more particularly, to a kind of turbocharger with oil-returning structure.
Background technique
In the prior art, vehicle turbocharger is mounted on mobile vehicle, and under certain operating conditions, vehicle generation is inclined
Tiltedly or when acceleration, deceleration campaign, is likely to result in that turbocharger oil return is unsmooth, causes the oil leak of turbocharger, when oil leak amount reaches
It is then possible to influence the life security of people after to a certain extent.
Summary of the invention
In view of this, the present invention is directed to propose a kind of turbocharger with oil-returning structure, by turbocharger
Bearing body in installation scavenge oil pump and machine oil position sensor, realize when monitoring that bearing body inner engine oil liquid level is higher than alarm bit
When setting, open scavenge oil pump, the intracorporal machine oil of bearing is directly drawn back to the function of oil sump, avoid due to oil return it is unsmooth caused by
The problem of turbocharger oil leak.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of turbocharger with oil-returning structure, including compressor, turbine, bearing body, upper limit position sensor, under
Extreme position sensor, scavenge oil pump, the bearing body are hollow structure, and inner support installation axle, axis is pierced by the left and right two of bearing body
End is separately connected compressor and turbine；The bearing body is respectively equipped with bearing body oil inlet and bearing body oil outlet in two sides up and down,
Scavenge oil pump, upper limit position sensor and lower position sensor, the upper limit is fixedly mounted in the lower sidewalls of the bearing body
It sets the equal signal of sensor, the lower position sensor, the scavenge oil pump and connects the ECU；The scavenge oil pump has oil return to be pumped into
Mouth and oil return pump discharge, the oil return pump intake are located at the intracavitary of the bearing body, and the oil return pump discharge is located at the bearing
Outside the chamber of body.
Further, the inside of the bearing body compressor end bearing and turbine end bearing branch fixed by the left and right sides
Installation axle is supportted, the left and right ends that the axis is pierced by bearing body are separately connected compressor impeller and turbine；The bearing body left part
Tapping by end cap and calm the anger generator terminal sealing ring and the left side of the axis it is in sealing contact, the tapping of bearing body right part leads to
It crosses turbine end sealing ring and the right side of the axis is in sealing contact.
Further, the upper limit position sensor is located under the compressor end bearing and the turbine end bearing
Side；The lower position sensor is located at the lower section of the upper limit position sensor, and the scavenge oil pump is located at the lower position
The lower section of sensor, close to the position of the bearing body oil outlet.
Further, the oil return pump discharge is directly connected to the oil sump of engine by pipeline.
Compared with the existing technology, present invention has the advantage that
Method of the present invention by installing scavenge oil pump and machine oil position sensor in the bearing body of turbocharger, is realized
When monitoring that bearing body inner engine oil liquid level is higher than alert locations, scavenge oil pump is opened, the intracorporal machine oil of bearing directly drawn back
The function of oil sump, avoid due to oil return it is unsmooth caused by turbocharger oil leak the problem of.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of turbocharger arrangement schematic diagram with oil-returning structure of the embodiment of the present invention.
Description of symbols:
1-ECU, 2- oil return pump discharge, 3- upper limit position sensor, the lower position 4- sensor, 5- compressor impeller, 6-
Generator terminal of calming the anger sealing ring, 61- end cap, 7- scavenge oil pump, 8- compressor end bearing, 9- oil return pump intake, 10- bearing body, 11- bearing
Body oil inlet, 12- bearing body oil outlet, 13- axis, 14- turbine end bearing, 15- turbine end sealing ring, 16- turbine.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 1 is a kind of structural schematic diagram of the turbocharger with oil-returning structure of the present embodiment, including compressor, whirlpool
Wheel, bearing body 10, upper limit position sensor 3, lower position sensor 4, scavenge oil pump 7 etc., the bearing body 10 are hollow structure,
Its inner support installation axle 3, the left and right ends that axis 3 is pierced by bearing body 10 are separately connected compressor and turbine；
About 10 two sides of bearing body are respectively equipped with bearing body oil inlet 11 and bearing body oil outlet 12, the bearing body
Scavenge oil pump 7, upper limit position sensor 3 and lower position sensor 4, the upper limit position sensing is fixedly mounted in 10 lower sidewalls
Device 3, the lower position sensor 4, the equal signal of the scavenge oil pump 7 connect the ECU1；The scavenge oil pump 7 has oil return pump intake
9 and oil return pump discharge 2, the oil return pump intake 9 is located at the intracavitary of the bearing body 10, and the oil return pump discharge 2 is located at described
Outside the chamber of bearing body 10.
The inside of the bearing body 10 passes through the fixed compressor end bearing 8 in the left and right sides and the support peace of turbine end bearing 14
Axis 3 is filled, the left and right ends that the axis 3 is pierced by bearing body 10 are separately connected compressor impeller 5 and turbine 16；The bearing body 10 is left
The tapping of end by end cap 61 and calm the anger generator terminal sealing ring 6 and the left side of the axis 3 it is in sealing contact, 10 right part of bearing body
Tapping it is in sealing contact by turbine end sealing ring 15 and the right side of the axis 3, realization bearing body both ends compressor and turbine
Reliable sealing, reduce bearing body 10 in generate machine oil a possibility that.
Specifically, the upper limit position sensor 3 is located under the compressor end bearing 8 and the turbine end bearing 14
Side；The lower position sensor 4 is located at the lower section of the upper limit position sensor 3, and the scavenge oil pump 7 is located at the lower limit
The lower section of sensor 4 is set, close to the position of the bearing body oil outlet 12.
The oil return pump discharge 2 of optimal enforcement example is directly connected to the oil sump of engine by pipeline.
The course of work of above-mentioned turbocharger oil return apparatus is as follows:
Pass through the machine oil in 4 real-time monitoring bearing body 10 of the upper limit position sensor 3 and the lower position sensor
Liquid level, and the ECU1 is fed back to, when the upper limit that upper limit position sensor 3 retrieves engine oil level reaches early warning value, control
The scavenge oil pump 7 works, and the machine oil in the bearing body 10 is sucked the oil return pump intake 9, passes through the oil return pump discharge 2
It is discharged into oil sump, when lower position sensor 4 detects the upper limit of engine oil level lower than lower position sensor 4, is controlled back
Oil pump 7 stops working, and the engine oil level in the bearing body 10 is made to be not higher than the upper limit position sensor 3 always.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of turbocharger with oil-returning structure, it is characterised in that: including compressor, turbine, bearing body (10), the upper limit
Position sensor (3), lower position sensor (4), scavenge oil pump (7),
The bearing body (10) is hollow structure, and inner support installation axle (3), axis (3) is pierced by the left and right ends of bearing body (10)
It is separately connected compressor and turbine；
Two sides are respectively equipped with bearing body oil inlet (11) and bearing body oil outlet (12), the bearing to the bearing body (10) up and down
The lower sidewalls of body (10) are fixedly mounted scavenge oil pump (7), upper limit position sensor (3) and lower position sensor (4), it is described on
Extreme position sensor (3), the lower position sensor (4), the scavenge oil pump (7) signal connect the ECU (1)；It is described
Scavenge oil pump (7) has oil return pump intake (9) and oil return pump discharge (2), and the oil return pump intake (9) is located at the bearing body (10)
Intracavitary, the oil return pump discharge (2) is located at outside the chamber of the bearing body (10).
2. a kind of turbocharger with oil-returning structure according to claim 1, it is characterised in that: the bearing body
(10) inside is described by the fixed compressor end bearing (8) in the left and right sides and turbine end bearing (14) support installation axle (3)
The left and right ends that axis (3) is pierced by bearing body (10) are separately connected compressor impeller (5) and turbine (16)；The bearing body (10) is left
The tapping of end by end cap (61) and calm the anger generator terminal sealing ring (6) and the left side of the axis (3) it is in sealing contact, bearing body
(10) tapping of right part is in sealing contact by turbine end sealing ring (15) and the right side of the axis (3).
3. a kind of turbocharger with oil-returning structure according to claim 1, it is characterised in that: the upper limit position
Sensor (3) is located at the lower section of the compressor end bearing (8) and the turbine end bearing (14)；The lower position sensor
(4) it is located at the lower section of the upper limit position sensor (3), the scavenge oil pump (7) is located under the lower position sensor (4)
Side, close to the position of the bearing body oil outlet (12).
4. a kind of turbocharger with oil-returning structure according to claim 1, it is characterised in that: the oil return pumps out
Mouth (2) is directly connected to the oil sump of engine by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725368.7A CN110469398A (en) | 2019-08-07 | 2019-08-07 | A kind of turbocharger with oil-returning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725368.7A CN110469398A (en) | 2019-08-07 | 2019-08-07 | A kind of turbocharger with oil-returning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110469398A true CN110469398A (en) | 2019-11-19 |
Family
ID=68510333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910725368.7A Pending CN110469398A (en) | 2019-08-07 | 2019-08-07 | A kind of turbocharger with oil-returning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110469398A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2476645Y (en) * | 2001-06-26 | 2002-02-13 | 陈明来 | Device for increasing lubricating function for turbocharger |
| CN2793332Y (en) * | 2005-02-17 | 2006-07-05 | 邓祥明 | Turbine booster |
| US20070107429A1 (en) * | 2003-03-27 | 2007-05-17 | Squires Richard K | Turbo system and method of installing |
| DE102011077507A1 (en) * | 2011-06-14 | 2012-12-20 | Bayerische Motoren Werke Aktiengesellschaft | Lubricant system for porsche cylinder head double-piston engine of e.g. sports car, has lubricant collection container arranged such that geodetic return of collected lubricant into lubricant tub via lubricant return-flow pipe is enabled |
| US8857552B2 (en) * | 2011-04-01 | 2014-10-14 | Jeffrey David Oltmans | Turbocharger for motorcycle |
-
2019
- 2019-08-07 CN CN201910725368.7A patent/CN110469398A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2476645Y (en) * | 2001-06-26 | 2002-02-13 | 陈明来 | Device for increasing lubricating function for turbocharger |
| US20070107429A1 (en) * | 2003-03-27 | 2007-05-17 | Squires Richard K | Turbo system and method of installing |
| CN2793332Y (en) * | 2005-02-17 | 2006-07-05 | 邓祥明 | Turbine booster |
| US8857552B2 (en) * | 2011-04-01 | 2014-10-14 | Jeffrey David Oltmans | Turbocharger for motorcycle |
| DE102011077507A1 (en) * | 2011-06-14 | 2012-12-20 | Bayerische Motoren Werke Aktiengesellschaft | Lubricant system for porsche cylinder head double-piston engine of e.g. sports car, has lubricant collection container arranged such that geodetic return of collected lubricant into lubricant tub via lubricant return-flow pipe is enabled |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20191119 |