CN219327774U - Automobile transmission filtering system - Google Patents
Automobile transmission filtering system Download PDFInfo
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- CN219327774U CN219327774U CN202320551894.8U CN202320551894U CN219327774U CN 219327774 U CN219327774 U CN 219327774U CN 202320551894 U CN202320551894 U CN 202320551894U CN 219327774 U CN219327774 U CN 219327774U
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Abstract
The utility model provides a filtering system of an automobile transmission. The automobile transmission filtering system comprises an oil pan, a coarse filter, a cooling lubricating pump, a pressure building pump, a fine filter and a hydraulic blending module, wherein an oil suction port of the coarse filter is soaked in oil liquid of the oil pan, and an oil outlet of the coarse filter is communicated with an oil inlet of the cooling lubricating pump and an oil inlet of the pressure building pump. The filtering system of the automobile transmission provided by the utility model adopts the mutual matching of the coarse filter, the cooling lubricating pump, the pressure building pump, the fine filter (comprising a filter element and a bypass valve) and the hydraulic allocation module, the coarse filter is arranged at the front end of the filtering system, the fine filter is arranged at the rear end of the pressure building pump and the front end of the hydraulic allocation module, the arrangement is more reasonable, the precise filtering protection and the prevention of oil pump suction can be realized at the same time, the fine filter is arranged on an oil duct branch, the branch flow is small, and under the condition of meeting the same performance, the fine filter has less filter materials and low cost.
Description
Technical Field
The utility model relates to the technical field of transmission filtration, in particular to an automobile transmission filtration system.
Background
The design of a transmission filter system is always an important link in the development process of the transmission, an automobile transmission hydraulic allocation module needs to precisely control a pressure control module and a lubrication and cooling demand module, and electromagnetic valves, mechanical valve cores and the like in the hydraulic allocation module are precise components and have high requirements on the cleanliness of oil.
At present, in order to meet the requirement of a hydraulic allocation module on the cleanliness of oil, two common arrangement schemes are adopted for a filtering system, wherein the first scheme is that a fine filter is arranged at the front end of an oil pump, and the oil pump has a suction risk because of high pressure drop of the fine filter; the second scheme is that the coarse filter is arranged at the front end of the oil pump, and the fine filter is arranged on the main oil path after the hydraulic allocation module, because the main oil path flow is large, the fine filter needs to use more filter materials under the condition of meeting the same performance, and the cost is high.
Accordingly, there is a need to provide a new automotive transmission filtration system that addresses the above-described problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a filtering system of an automobile transmission.
The utility model provides an automobile transmission filtering system which comprises an oil pan, a coarse filter, a cooling and lubricating pump, a pressure building pump, a fine filter and a hydraulic allocation module, wherein an oil suction port of the coarse filter is soaked in oil liquid of the oil pan, an oil outlet of the coarse filter is communicated with an oil inlet of the cooling and lubricating pump and an oil inlet of the pressure building pump, an oil outlet of the cooling and lubricating pump is communicated with the hydraulic allocation module, an oil outlet of the pressure building pump is communicated with an oil inlet of the fine filter, and an oil outlet of the fine filter is communicated with the hydraulic allocation module.
Preferably, the fine filter comprises a filter element and a bypass valve.
Preferably, the hydraulic allocation module is communicated with a pressure control module and a lubrication and cooling demand module.
Preferably, the oil outlet of the cooling lubricating pump is communicated with the lubricating cooling requirement module through a hydraulic allocation module.
Preferably, the oil outlet of the fine filter is communicated with the pressure control module through the hydraulic allocation module.
Compared with the related art, the automobile transmission filtering system provided by the utility model has the following beneficial effects:
1. the utility model provides a filtering system of an automobile transmission, which adopts a coarse filter, a cooling lubricating pump, a pressure building pump, a fine filter (comprising a filter element and a bypass valve) and a hydraulic allocation module to be matched with each other.
2. The utility model provides a filtering system of an automobile transmission, wherein a fine filter is arranged on an oil passage branch, the flow of the branch is small, and the fine filter has less filter materials and low cost under the condition of meeting the same performance.
Drawings
Fig. 1 is a schematic diagram of a module provided by the present utility model.
Reference numerals in the drawings: 1. an oil pan; 2. a coarse filter; 3. building a pressure pump; 4. a cooling and lubricating pump; 5. fine filter; 51. a filter element; 52. a bypass valve; 6. a hydraulic deployment module; 7. a pressure control module; 8. a lubrication cooling demand module.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1 in combination, fig. 1 is a schematic block diagram of the present utility model. The oil-saving lubricating system comprises an oil pan 1, a coarse filter 2, a cooling and lubricating pump 4, a pressure-building pump 3, a fine filter 5 and a hydraulic allocation module 6, wherein an oil suction port of the coarse filter 2 is soaked in oil in the oil pan 1, an oil outlet of the coarse filter 2 is communicated with an oil inlet of the cooling and lubricating pump 4 and an oil inlet of the pressure-building pump 3, an oil outlet of the cooling and lubricating pump 4 is communicated with the hydraulic allocation module 6, an oil outlet of the pressure-building pump 3 is communicated with an oil inlet of the fine filter 5, an oil outlet of the fine filter 5 is communicated with the hydraulic allocation module 6, the fine filter comprises a filter element 51 and a bypass valve 52, a pressure control module 7 and a lubricating and cooling requirement module 8 are communicated on the hydraulic allocation module 6, and an oil outlet of the cooling and lubricating pump 4 is communicated with the lubricating and cooling requirement module 8 through the hydraulic allocation module 6, and an oil outlet of the fine filter 5 is communicated with the pressure control module 7 through the hydraulic allocation module 6.
The working principle provided by the utility model is as follows: the transmission oil is filtered by the coarse filter 2, a part of oil is pressurized by the cooling and lubricating pump 4, flows through the hydraulic allocation module 6 and finally is supplied to the lubricating and cooling demand module 8; the other part of oil is pressurized by the pressure building pump 3, when the oil way pressure difference at the two ends of the fine filter 5 is normal, the bypass valve 52 is closed, the pressurized oil flows through the filter element 51 of the fine filter 5, and then enters the hydraulic allocation module 6, and finally is supplied to the pressure control module 7; when the differential pressure of oil ways at two ends of the fine filter 5 is abnormal, and reaches the opening pressure of the bypass valve 52, the bypass valve 52 is opened, a part of oil enters the hydraulic allocation module 6 through the bypass valve 52, and the other part of oil enters the hydraulic allocation module 6 through the filter element 51, so that the flow requirements of the rear-end lubrication and cooling demand module 8 and the pressure control module 7 are met.
The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (5)
1. The utility model provides an automobile transmission filtration system, includes oil pan (1), coarse filter (2), cooling lubricating pump (4), builds pump (3), smart filter (5) and hydraulic pressure allotment module (6), its characterized in that, coarse filter (2) oil suction inlet soaks in the fluid of oil pan (1), and coarse filter (2) oil-out is linked together with cooling lubricating pump (4) oil inlet, build pump (3) oil inlet, cooling lubricating pump (4) oil-out is linked together with hydraulic pressure allotment module (6), build pump (3) oil-out is linked together with smart filter (5) oil inlet, smart filter (5) oil-out is linked together with hydraulic pressure allotment module (6).
2. The automotive transmission filtration system according to claim 1, characterized in that the fine filter (5) comprises a filter cartridge (51) and a bypass valve (52).
3. The automotive transmission filtration system of claim 1, wherein the hydraulic compounding module (6) is in communication with a pressure control module (7) and a lubrication and cooling demand module (8).
4. A transmission filter system according to claim 3, characterized in that the oil outlet of the cooling and lubrication pump (4) is connected to the lubrication and cooling demand module (8) by means of a hydraulic dosing module (6).
5. A transmission filter system according to claim 3, characterized in that the oil outlet of the fine filter (5) is in communication with a pressure control module (7) via a hydraulic dosing module (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320551894.8U CN219327774U (en) | 2023-03-21 | 2023-03-21 | Automobile transmission filtering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320551894.8U CN219327774U (en) | 2023-03-21 | 2023-03-21 | Automobile transmission filtering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219327774U true CN219327774U (en) | 2023-07-11 |
Family
ID=87067777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320551894.8U Active CN219327774U (en) | 2023-03-21 | 2023-03-21 | Automobile transmission filtering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219327774U (en) |
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2023
- 2023-03-21 CN CN202320551894.8U patent/CN219327774U/en active Active
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