CN209569042U - Engine fuel oil system and engine - Google Patents
Engine fuel oil system and engine Download PDFInfo
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- CN209569042U CN209569042U CN201822070441.5U CN201822070441U CN209569042U CN 209569042 U CN209569042 U CN 209569042U CN 201822070441 U CN201822070441 U CN 201822070441U CN 209569042 U CN209569042 U CN 209569042U
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Abstract
The utility model belongs to technical field of engines, and in particular to a kind of engine fuel oil system.Engine fuel oil system described in the utility model includes lubricating oil pump, metered proportions valve is equipped between the inlet port and press oil port of the lubricating oil pump, the metered proportions valve is used to control the recirculating oil quantity of the lubricating oil pump, the engine fuel oil system further includes safety valve and pressure sensor, the engine oil pressure pickup is used to detect the pressure of the main oil gallery in the engine fuel oil system, and the safety valve is used to control the pressure of the main oil gallery in the engine fuel oil system.By using engine fuel oil system described in the utility model and engine, the recirculating oil quantity of lubricating oil pump is controlled by metered proportions valve, the main oil gallery pressure of engine fuel oil system can effectively be controlled, realize the closed-loop control to engine oil pressure, simultaneously, the engine oil pressure in main oil gallery can be quickly established, the abrasion of each position sliding bearing of engine is reduced.
Description
Technical field
The utility model belongs to technical field of engines, and in particular to a kind of engine fuel oil system and it is a kind of include the hair
The engine of motivation fuel system.
Background technique
Engine is widely used in the occasion that automobile, motorcycle etc. need power source.There is crankshaft, convex inside engine
The moving components such as wheel, piston, these moving components need machine oil (lubricating oil) to lubricate, and can play certain cooling effect.
Under normal conditions, engine has oil sump, and organic oil is contained in oil sump, is provided with lubricating oil pump on engine.
It is provided with main oil gallery and branch's oil duct on the casing of engine, inlet port and press oil port, inlet port and oil are provided in lubricating oil pump
Bottom case connection, the machine oil in oil sump is sucked in the pump housing by inlet port and is pressurizeed by lubricating oil pump, and is input to master by press oil port
Oil duct.Machine oil pressure with higher in main oil gallery, machine oil is sent to by main oil gallery by branch's oil duct to be needed using machine oil
Position.Machine oil flows through need the position using machine oil after pressure reduce, be then back to again in oil sump so that circulation makes
With.
A safety valve also in parallel in lubricating oil pump in the prior art, when the pressure of lubricating oil pump exceeds the setting value of safety valve
When, safety valve opens decompression protection lubricating system, and normal pressure adjusting is adjusted by the aperture of safety valve valve.Safety valve
It opens the machine oil released and directly flows back to oil sump/sump.
The flow of lubricating oil pump depends entirely on the revolving speed (i.e. the revolving speed of engine) of lubricating oil pump, main oil in prior art
The pressure in road is adjusted by the characteristic of safety valve.Therefore main oil gallery pressure cannot achieve accurate and flexible control, not can be carried out
Flexible closed-loop control cannot take into account low speed big flow and the small recirculating oil quantity of high speed.
Utility model content
The purpose of this utility model is that solution drawbacks described above and deficiency, the purpose are achieved through the following technical solutions.
Engine fuel oil system described in the utility model, including lubricating oil pump, wherein the inlet port and pressure of the lubricating oil pump
Metered proportions valve is equipped between hydraulic fluid port, the metered proportions valve is used to control the recirculating oil quantity of the lubricating oil pump.
Further, engine fuel oil system as described above, the engine fuel oil system further include that ECU control is single
Member, the ECU control unit are used to control the switching value of the metered proportions valve.
Further, engine fuel oil system as described above, the engine fuel oil system further include that engine oil pressure passes
Sensor, the engine oil pressure pickup are used to detect the pressure of the main oil gallery in the engine fuel oil system.
Further, engine fuel oil system as described above, the engine fuel oil system further includes safety valve, described
Safety valve is used to control the pressure of the main oil gallery in the engine fuel oil system.
Further, engine fuel oil system as described above, the engine fuel oil system further includes throttle valve, described
Throttle valve is set on the connecting line between the lubricating oil pump and the metered proportions valve.
Further, engine fuel oil system as described above, the throttle valve be set to the lubricating oil pump inlet port with
On connecting line between the metered proportions valve.
Further, engine fuel oil system as described above, the throttle valve be set to the lubricating oil pump press oil port with
On connecting line between the metered proportions valve.
The utility model also proposed a kind of engine, including engine fuel oil system as described above.
By using engine fuel oil system described in the utility model and engine, machine oil is controlled by metered proportions valve
The recirculating oil quantity of pump can effectively control the main oil gallery pressure of engine fuel oil system, realize the closed-loop control to engine oil pressure,
Meanwhile, it is capable to quickly establish the engine oil pressure in main oil gallery, the abrasion of each position sliding bearing of engine is reduced.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.
Fig. 1 is the hydraulic schematic diagram of the utility model embodiment；
Fig. 2 is the hydraulic schematic diagram of another embodiment of the utility model；
Fig. 3 is the hydraulic schematic diagram of another embodiment of the utility model.
Each label is expressed as follows in attached drawing:
10: oil sump；
20: lubricating oil pump；
30: engine；
40: metered proportions valve；
50: engine oil pressure pickup；
60: safety valve；
70: throttle valve.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
Fig. 1 is the hydraulic schematic diagram of the utility model embodiment.As shown in Figure 1, engine fuel described in the present embodiment
System, including lubricating oil pump 20 are wherein equipped with metered proportions valve 40, metered proportions valve between the inlet port and press oil port of lubricating oil pump 20
40 for controlling the recirculating oil quantity of lubricating oil pump 20.
Wherein, lubricating oil pump 20 is by inlet port oil suction out of oil sump 10, and passes through pressure oil after being pressurizeed inside it
Mouth is pumped out, and is delivered in the main oil gallery of engine 30, the lubrication for each sliding bearing.Pass through the suction in lubricating oil pump 20
Metered proportions valve 40 is set between hydraulic fluid port and press oil port, the recirculating oil quantity of lubricating oil pump 20 can be controlled, to control 30 note of engine
Pressure in oil duct.
Specifically, metered proportions valve 40 is controlled by ECU, its aperture is arranged according to engine running condition, by lubricating oil pump 20
Press oil port at oil liquid the inlet port of lubricating oil pump 20 is transmitted back to by metered proportions valve 40, to complete returning to lubricating oil pump 20
The control of oil mass.
By using engine fuel oil system described in the utility model, the oil return of lubricating oil pump is controlled by metered proportions valve
Amount can effectively control the main oil gallery pressure of engine fuel oil system, realize the closed-loop control to engine oil pressure,
When engine 30 starts, metered proportions valve 40 closes entirely, quickly establishes the engine oil pressure in main oil gallery, reduction is started
The abrasion of each position sliding bearing of machine 30.When needing to meet the needs of 30 low speed big flow of engine, huge discharge can be selected
Lubricating oil pump 20.When operation, lubricating oil pump 20 is adjusted to the slow-speed of revolution, metered proportions valve 40 is simultaneously closed off, thus low in engine 30
Possess big flow in the case where revolving speed.When needing to meet 30 high speed of engine small flow the needs of, when operation, lubricating oil pump is adjusted
20 to high revolving speed, while increasing the aperture of metered proportions valve 40, increases the recirculating oil quantity of lubricating oil pump 20, to turn engine 30 is high
Possess small flow in the case where speed.
Further, in this embodiment engine fuel oil system further include engine oil pressure pickup 50, engine oil pressure passes
Sensor 50 is used to detect the pressure of the main oil gallery in engine fuel oil system.
Further, in this embodiment engine fuel oil system further include safety valve 60, safety valve 60 is for controlling hair
The pressure of main oil gallery in motivation fuel system.
The pressure that the main oil gallery in engine fuel oil system is measured by engine oil pressure pickup, to adjust as needed
The aperture of metered proportions valve reaches the pressure of the main oil gallery in control engine fuel oil system to control the recirculating oil quantity of lubricating oil pump
The purpose of power, and the power consumption of lubricating oil pump can be effectively reduced, achieve the purpose that fuel-economizing.
Fig. 2 is the hydraulic schematic diagram of another embodiment of the utility model.As shown in Fig. 2, in the present embodiment, in lubricating oil pump
It is additionally provided with throttle valve 70 on connecting line between 20 inlet port and metered proportions valve 40, can equally play control lubricating oil pump
Recirculating oil quantity achievees the purpose that the pressure for controlling the main oil gallery in engine fuel oil system.
Fig. 3 is the hydraulic schematic diagram of another embodiment of the utility model.As shown in figure 3, in the present embodiment, in lubricating oil pump
Connecting line between 20 press oil port and metered proportions valve 40 is equipped with throttle valve 70, can equally play returning for control lubricating oil pump
Oil mass achievees the purpose that the pressure for controlling the main oil gallery in engine fuel oil system.
The utility model also proposed a kind of engine, including engine fuel oil system described above.
By using engine fuel oil system described in the utility model and engine, machine oil is controlled by metered proportions valve
The recirculating oil quantity of pump can effectively control the main oil gallery pressure of engine fuel oil system, realize the closed-loop control to engine oil pressure,
Meanwhile, it is capable to quickly establish the engine oil pressure in main oil gallery, the abrasion of each position sliding bearing of engine is reduced.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with
Subject to the scope of protection of the claims.
Claims (8)
1. a kind of engine fuel oil system, including lubricating oil pump, which is characterized in that between the inlet port and press oil port of the lubricating oil pump
Equipped with metered proportions valve, the metered proportions valve is used to control the recirculating oil quantity of the lubricating oil pump.
2. engine fuel oil system according to claim 1, which is characterized in that the engine fuel oil system further includes
ECU control unit, the ECU control unit are used to control the switching value of the metered proportions valve.
3. engine fuel oil system according to claim 1, which is characterized in that the engine fuel oil system further includes machine
Oil pressure force snesor, the engine oil pressure pickup are used to detect the pressure of the main oil gallery in the engine fuel oil system.
4. engine fuel oil system according to claim 1, which is characterized in that the engine fuel oil system further includes peace
Full valve, the safety valve are used to control the pressure of the main oil gallery in the engine fuel oil system.
5. engine fuel oil system according to claim 1, which is characterized in that the engine fuel oil system further includes section
Valve is flowed, the throttle valve is set on the connecting line between the lubricating oil pump and the metered proportions valve.
6. engine fuel oil system according to claim 5, which is characterized in that the throttle valve is set to the lubricating oil pump
On connecting line between inlet port and the metered proportions valve.
7. engine fuel oil system according to claim 5, which is characterized in that the throttle valve is set to the lubricating oil pump
On connecting line between press oil port and the metered proportions valve.
8. a kind of engine, which is characterized in that including engine fuel oil system described in any one of the claims 1~7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822070441.5U CN209569042U (en) | 2018-12-10 | 2018-12-10 | Engine fuel oil system and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822070441.5U CN209569042U (en) | 2018-12-10 | 2018-12-10 | Engine fuel oil system and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209569042U true CN209569042U (en) | 2019-11-01 |
Family
ID=68330209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822070441.5U Active CN209569042U (en) | 2018-12-10 | 2018-12-10 | Engine fuel oil system and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209569042U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691947A (en) * | 2020-06-30 | 2020-09-22 | 潍柴动力股份有限公司 | Control method, device and system for engine oil pump |
| CN112282889A (en) * | 2020-09-27 | 2021-01-29 | 潍柴动力股份有限公司 | Control system and control method for reducing cold start resistance |
| CN113309596A (en) * | 2020-02-26 | 2021-08-27 | 斗山英维高株式会社 | Oil pressure sensor assembly and engine including the same |
| CN114542231A (en) * | 2022-01-19 | 2022-05-27 | 潍柴动力股份有限公司 | Engine oil pressure control method and system and engine |
-
2018
- 2018-12-10 CN CN201822070441.5U patent/CN209569042U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309596A (en) * | 2020-02-26 | 2021-08-27 | 斗山英维高株式会社 | Oil pressure sensor assembly and engine including the same |
| CN111691947A (en) * | 2020-06-30 | 2020-09-22 | 潍柴动力股份有限公司 | Control method, device and system for engine oil pump |
| CN112282889A (en) * | 2020-09-27 | 2021-01-29 | 潍柴动力股份有限公司 | Control system and control method for reducing cold start resistance |
| CN114542231A (en) * | 2022-01-19 | 2022-05-27 | 潍柴动力股份有限公司 | Engine oil pressure control method and system and engine |
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