CN209469524U - A kind of fuel oil thermostat valve and vehicle fuel temperature control system - Google Patents
A kind of fuel oil thermostat valve and vehicle fuel temperature control system Download PDFInfo
- Publication number
- CN209469524U CN209469524U CN201821782376.2U CN201821782376U CN209469524U CN 209469524 U CN209469524 U CN 209469524U CN 201821782376 U CN201821782376 U CN 201821782376U CN 209469524 U CN209469524 U CN 209469524U
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- Prior art keywords
- valve
- connector
- fuel oil
- fuel
- oil thermostat
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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.)
- Withdrawn - After Issue
Links
- 239000000295 fuel oil Substances 0.000 title claims abstract description 70
- 239000000446 fuel Substances 0.000 title claims abstract description 28
- 239000003921 oil Substances 0.000 claims abstract description 60
- 239000002828 fuel tank Substances 0.000 claims abstract description 24
- 230000006698 induction Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 13
- 239000010705 motor oil Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 239000002283 diesel fuel Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000003319 supportive effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model relates to vehicle fuel systems technology fields, disclose a kind of fuel oil thermostat valve, including being equipped with the first connector being mutually communicated, the wax formula triple valve of second connector and third connector, wax formula inductor is installed in the hole of the first connector, the induction end of wax formula inductor is extend out to outside the first connector, the other end of wax formula inductor is equipped with push rod, push rod resists the valve slided in the hole of the first connector, the valve other end is equipped with the first spring for resisting valve, the first valve port cooperated with valve is equipped in first connector, the second valve port in second connector equipped with pressure valve and with pressure valve cooperation, the second spring inwardly against pressure valve is equipped in second connector.The invention also discloses a kind of vehicle fuel temperature control systems using above-mentioned fuel oil thermostat valve.A kind of fuel oil thermostat valve of the utility model and vehicle fuel temperature control system control high temperature oil return and enter filter or fuel tank, improve winter vehicle performance according to the temperature of fuel oil in filter.
Description
Technical field
The utility model relates to vehicle fuel systems technology fields, and in particular to a kind of fuel oil thermostat valve and vehicle fuel temperature
Control system.
Background technique
Power source of the fuel system as vehicle is an indispensable system in engine work, main
Effect is storage, filtering and the transportation work for completing fuel.
After the fuel oil in fuel system comes out from fuel tank, filter filtering is first passed around, using fuel pump, fine filtering
Device and high-pressure oil pump enter fuel injection system.In winter, filter wax deposition is easy to cause since fuel oil temperature is too low,
And then cause fuel system fuel oil can not normal circulation, eventually leading to automobile can not start.
Chinese utility model patent application (publication date: 06 month 2012 06 day, publication number: CN202266352U) is open
The automatic heating temperature control means of a kind of oil way of diesel vehicle comprising by Vehicular accumulator cell, oil-way pipe, diesel fuel filter, resistance
Silk and temperature detect switch (TDS), are entrained with carbon fiber exothermic wire layer, the Vehicular accumulator cell, resistance wire, temperature control in the tube wall of oil-way pipe
Switch and carbon fiber exothermic wire layer series connection forming circuit, wherein resistance wire and temperature detect switch (TDS) are arranged in diesel fuel filter.Change
The automatic heating temperature control means of oil way of diesel vehicle can make the diesel fuel temperature in oil way of diesel vehicle is moderate to be maintained at most suitable model
In enclosing, diesel oil solidification wax deposition blocking oil circuit is avoided.But the utility model is to be heated by external heat source to oil circuit, waste
The energy.
Meanwhile in fuel system, having 50% or so fuel oil, (temperature of referred to herein as oil return, oil return is higher, general meeting
Reach 100 DEG C or so) fuel tank can be returned to, cool down the high temperature oil return in fuel tank, this partial heat can not
It is utilized and is wasted.
Summary of the invention
The purpose of this utility model provides a kind of fuel oil thermostat valve and vehicle fuel temperature aiming at the deficiency of above-mentioned technology
Control system, according to the temperature of fuel oil in the filter sensed, automatically controlling high temperature oil return to enter filter is filter internal combustion
After oil heating, prevents wax deposition, while fuel oil temperature is met the requirements in filter, automatic control high temperature oil return, which enters fuel tank, to be allowed
High temperature oil return heat dissipation avoids fuel oil in filter from overheating, improves winter vehicle performance.
To achieve the above object, a kind of fuel oil thermostat valve designed by the utility model, including being equipped be mutually communicated the
The wax formula triple valve of one connector, the second connector and third connector, the first connector, the second connector and third connector are equipped with hole, the
Wax formula inductor is installed in the hole of one connector, described can be extend out to temperature sensor, the induction end of the wax formula inductor
Outside one connector, the other end of the wax formula inductor is equipped with push rod, and the push rod is resisted to be slided in the hole of first connector
Valve, the wax formula inductor and push rod are the power resources that the valve slides in first connector, the valve
The other end is equipped with the first spring for resisting the valve, valve described in first spring supporting and return, first connector
It is interior equipped with the first valve port cooperated with the valve；It is equipped with pressure valve in second connector and cooperates with the pressure valve
The second valve port, the second spring inwardly against the pressure valve is equipped in second connector, the pressure valve is in institute
Realization is supported and is sealed under the action of stating second spring.
Preferably, first valve port is the groove being opened in first inner nosepiece wall, the groove and the valve
The cross-sectional area of sliding section cooperation side is gradually increased outward along first connector central axes direction, the number of recesses
At least one.
Preferably, exhaust passage, the air inlet of the exhaust passage and exhaust are provided in the valve wall of the wax formula triple valve
Hole is located at the two sides of second valve port, the gas vent and second fittings, and the air inlet is located at described
The highest point of three connector intersections when wax formula triple valve is horizontal positioned, convenient for air to be discharged from second connector.
Preferably, the side of the groove and valve sliding section cooperation is hierarchic structure, and the groove is described in
First connector central axes direction extend outwardly concordant with the end of first connector.
Preferably, second joint screw thread is connected with connector, and the second spring is against on the connector.
Preferably, the end interference of first connector is equipped with end cap, and the end cap resists the wax formula inductor, right
The wax formula inductor plays a supportive role, and is lined with the first sealing ring between the end cap and the third connector, outside the end cap
It places and is equipped with third sealing ring, realize sealing.
Preferably, the valve is equipped with push-rod hole, and the push rod is against on the push-rod hole, improves the valve
Positioning accuracy.
Preferably, it is lined with the second sealing ring between the connector and second connector, realizes sealing.
A kind of vehicle fuel system temperature control system including the fuel oil thermostat valve further includes that head and the tail are sequentially connected in a closed loop mode
Engine, oil return switching valve, fuel tank, oil inlet switching valve, filter and oil transfer pump, the first connector of the fuel oil thermostat valve with
The filter connection, the second connector of the fuel oil thermostat valve are connect with the oil return switching valve, the fuel oil thermostat valve
Third connector is connect with the engine oil return mouth, and the wax formula inductor in first connector is by incuding in the filter
The temperature of fuel oil, controls whether the push rod pushes the valve, and then controls the high temperature oil return flowed by the third connector
It is fuel heating in filter into filter, or enters fuel tank and radiate by high temperature oil return.
The utility model compared with prior art, has the advantage that
1, the temperature of fuel oil in the filter sensed by wax formula inductor automatically controls high temperature oil return and enters filter
For fuel heating in filter, wax deposition is prevented, while after fuel oil temperature is met the requirements in filter, automatically controls high temperature oil return
It radiates into fuel tank by high temperature oil return, avoids fuel oil in filter from overheating, improve winter vehicle performance；
2, by the variation of groove cross section area, groove slowly closing may be implemented, subtract high temperature return flow slowly
Less or increase, interior oil hinders gradual change rather than transition, is finally reached internal fuel system and stablizes；
3, by the combination of valve and the first valve port, when wax formula inductor does not work, the first valve port is in the open state,
When wax formula inductor works, with the heating of fuel oil in filter, the first valve port is gradually closed, the realization of valve function and general
Thermostat valve is on the contrary, realize Reversal valve；
4, by the setting of exhaust passage and air inlet, convenient for mixed air in high temperature oil return is expelled to fuel tank,
Prevent air from entering filter；
5, by the first spring of setting and second spring, the self-return of valve and pressure valve is realized.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of fuel oil thermostat valve of the utility model；
Fig. 2 is structural schematic diagram when a kind of fuel oil thermostat valve high temperature oil return of the utility model flows to filter；
Fig. 3 is structural schematic diagram when a kind of fuel oil thermostat valve state of the utility model is converted；
Fig. 4 is structural schematic diagram when a kind of fuel oil thermostat valve high temperature oil return of the utility model flows to fuel tank；
Fig. 5 is a kind of structural schematic diagram of vehicle fuel temperature control system of the utility model.
Each part numbers are as follows in figure:
First connector 1, the second connector 2, third connector 3, wax formula triple valve 4, wax formula inductor 5, push rod 6, valve 7,
One spring 8, pressure valve 9, the second valve port 10, second spring 11, groove 12, air inlet 13, connector 14, end cap 15, first are close
Seal 16, third sealing ring 17, push-rod hole 18, the second sealing ring 19.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of fuel oil thermostat valve of the utility model, including being connect equipped with the first connector 1 being mutually communicated, second
First 2 and third connector 3 wax formula triple valve 4, wax formula inductor 5, the sense of wax formula inductor 5 are installed in the hole of the first connector 1
It should hold and extend out to outside the first connector 1, the other end of wax formula inductor 5 is equipped with push rod 6, and push rod 6 resists in the hole of the first connector 1
The valve 7 of interior sliding, valve 7 are equipped with push-rod hole 18, and push rod 6 is against on push-rod hole 18, and 7 other end of valve is equipped with and resists valve
First spring 8 of door 7, the first connector 1 are interior equipped with the first valve port cooperated with valve 7；Pressure valve 9 is equipped in second connector 2
And the second valve port 10 cooperated with pressure valve 9, the interior second spring 11 being equipped with inwardly against pressure valve 9 of the second connector 2.
As shown in Fig. 2, the first valve port is the groove 12 being opened on 1 inner wall of the first connector, groove 12 and valve 7 slide section
The cross-sectional area of cooperation side is gradually increased outward along 1 central axes direction of the first connector, and in the present embodiment, 12 quantity of groove is
Two, and it is hierarchic structure that groove 12 and valve 7, which slide the side of section cooperation, groove 12 is along 1 central axes direction of the first connector
Extend outwardly concordant with the end of the first connector 1.
In addition, as shown in Fig. 2, be provided with exhaust passage in the valve wall of wax formula triple valve 4, the air inlet 13 of exhaust passage and row
Stomata is located at the two sides of the second valve port 10, and gas vent is connected to the second connector 2, and air inlet 13 is located at 4 water of wax formula triple valve
The highest point of three connector intersections when placing flat prevents sky convenient for mixed air in high temperature oil return is expelled to fuel tank
Gas enters filter.
In the present embodiment, the second connector 2 is threaded with connector 14, and it is close to be lined with second between connector 14 and the second connector 2
Seal 19, the piping connection of connector 14 and fuel tank, second spring 11 are against on connector 14, the end interference peace of the first connector 1
Equipped with end cap 15, end cap 15 resists wax formula inductor 5, plays a supportive role to wax formula inductor 5, end cap 15 and the first connector 1 it
Between be lined with the first sealing ring 16, realize the sealing of end cap 15 and the first connector 1, end cap 15 is placed equipped with third sealing ring 17 outside,
When the first connector 1 is connect with filter, the radial seal of the first connector 1 and filter is realized.
As shown in figure 5, a kind of vehicle fuel system temperature control system including fuel oil thermostat valve, further includes head and the tail successively closed loop
Engine, oil return switching valve, fuel tank, oil inlet switching valve, filter and the oil transfer pump of connection, the first connector of fuel oil thermostat valve
1 connect with filter, and the second connector 2 of fuel oil thermostat valve is connect with oil return switching valve, the third connector 3 and hair of fuel oil thermostat valve
The connection of motivation oil return opening.
The present embodiment cooperates valve 7 and pressure valve 9 to form by the first connector 1, the second connector 3 and third connector 4
Two high temperature oil return circulation paths, path one are that high temperature oil return flows to filter, are the fuel oil heating in filter, path two is
High temperature oil return flows to fuel tank, makes high temperature oil return that fuel tank be gone to radiate.
The specific working principle is as follows:
Since the fuel oil in filter comes from fuel tank, the fuel oil temperature in filter is substantially and in fuel tank
Fuel oil temperature is consistent, and after the present embodiment is completed, wax formula inductor 5, which protrudes into, incudes fuel oil temperature, such as Fig. 1 in filter
Shown, when the fuel oil temperature in filter is too low, for lower than 30 DEG C in the present embodiment, wax formula inductor 5 is not turned on, and at this time the
One spring 8 resists valve 7, and valve 7 is located at the widest part of groove 12, and groove 12 is in the open state, meanwhile, second spring 11
Pressure valve 9 is resisted, pressure valve 9 is closed, and the high temperature oil return that engine is up to 100 DEG C or so enters wax formula through third connector 3
In triple valve 4, the first connector 1 is then flowed out by groove 12, into filter, high temperature oil return at this time will in filter with
Low temperature fuel oil mixing inside filter, it is final to realize the effect for improving low temperature fuel oil temperature, so that fuel economy be allowed to improve；
When the fuel oil temperature in filter gradually rises, as shown in figure 3, wax formula inductor 5 is gradually opened, push rod 6 is pushed away
Movable valve 7 slides inwardly in the first connector 1, due to the cross-sectional area of groove 12 and the sliding of valve 7 section cooperation side
It is gradually increased, i.e., is inwardly gradually reduced, therefore groove 12 is gradually closed, high temperature oil return outward along 1 central axes direction of the first connector
It is gradually become smaller by the flow that groove 12 flows out the first connector 1 into filter, while under the action of oil pressure, pressure valve 9
It is gradually opened, high temperature oil return flows out the second connector 2 after passing through pressure valve 9, radiates into fuel tank, and flow gradually increases
Greatly；
It is higher than 40 DEG C, as shown in figure 4, in filter when the fuel oil temperature in filter is excessively high, in the present embodiment
Fuel oil no longer needs high temperature oil return to promote temperature, because the fuel oil itself at this time in filter is in a kind of higher temperature,
Wax formula inductor 5 reaches full-gear, and push rod 6 pushes valve 7 to slide into extreme position, push rod 6 inwardly in the first connector
Valve 7 is pushed out to outside groove 12, groove 12 is in close state, and the high temperature oil return of engine enters wax through third connector 3
In formula triple valve 4, it is no longer flow towards filter, and under the action of oil pressure, pressure valve 9 is fully open, and high temperature oil return is whole
By flowing out the second connector 2 after pressure valve 9, radiate into fuel tank.
Due to groove 12 and valve 7 slide the cross-sectional area of section cooperation side along 1 central axes direction of the first connector to
It is gradually increased, i.e., is inwardly gradually reduced outside, when the fuel oil temperature variation in filter, valve 8 slides in the first connector 1,
Groove 12 can be opened or closed slowly, keep the changes in flow rate of high temperature oil return slow, and interior oil hinders gradual change rather than transition, finally
Reach internal fuel system to stablize.
A kind of working principle of vehicle fuel system temperature control system of the utility model is as shown in figure 5, from engine outflow
High temperature oil return passes through oil return switching valve all the way and is directly entered fuel tank, and another way enters fuel oil thermostat valve by third connector 3, when
When fuel oil temperature in filter is too low, high temperature oil return enters filter by the first connector 1, adds for the fuel oil in filter
Temperature, when the fuel oil temperature in filter gradually rises, control by wax formula inductor 5 to valve 7, and then control fuel oil temperature
High temperature oil return in control valve is gradually increased the flow for flowing to fuel tank, reduces the flow for flowing to filter, until in filter
When fuel oil temperature is excessively high, fuel tank is all flowed into the high temperature oil return in fuel oil thermostat valve.
A kind of fuel oil thermostat valve of the utility model and vehicle fuel temperature control system are by applying wax formula inductor 5 in fuel oil
System automatically controls high temperature oil return and enters filter or fuel tank, is fuel heating in filter, or high temperature oil return is allowed to remove fuel oil
Case heat dissipation, realizes the control of fuel oil temperature, improves winter vehicle performance；It wherein, can by the variation of 12 cross-sectional area of groove
To realize 12 slowly closing of groove, reduce flow slowly, interior oil hinders gradual change rather than transition, is finally reached internal fuel system
System is stablized；And pass through the combination of valve 7 and groove 12, when wax formula inductor 5 does not work, groove 12 is in the open state, wax
Groove 12 is in close state when formula inductor 5 works, and the realization of the function of valve 7 is with general thermostat valve on the contrary, realizing inverse
To valve.
Claims (9)
1. a kind of fuel oil thermostat valve, including being equipped with the first connector (1), the second connector (2) and the third connector (3) that are mutually communicated
Wax formula triple valve (4), it is characterised in that: wax formula inductor (5), the wax formula inductor are equipped in the hole of the first connector (1)
(5) induction end extend out to first connector (1) outside, and the other end of the wax formula inductor (5) is equipped with push rod (6), described
Push rod (6) resists the valve (7) slided in the hole of first connector (1), and valve (7) other end is described equipped with resisting
The first spring (8) of valve (7), is equipped with the first valve port cooperated with the valve (7) in first connector (1), and described the
The second valve port (10) in two connectors (2) equipped with pressure valve (9) and with the pressure valve (9) cooperation, second connector
(2) second spring (11) inwardly against the pressure valve (9) is equipped in.
2. fuel oil thermostat valve according to claim 1, it is characterised in that: first valve port is to be opened in first connector
(1) cross-sectional area of the groove on inner wall (12), the groove (12) and the valve (7) sliding section cooperation side is along institute
It states the first connector (1) central axes direction to be gradually increased outward, groove (12) quantity is at least one.
3. fuel oil thermostat valve according to claim 2, it is characterised in that: the row of being provided in the valve wall of the wax formula triple valve (4)
Gas channel, the air inlet (13) and gas vent of the exhaust passage are located at the two sides of second valve port (10), the row
Stomata is connected to second connector (2), the air inlet (13) be located at the wax formula triple valve (4) it is horizontal positioned when three connect
The highest point of head intersection.
4. fuel oil thermostat valve according to claim 3, it is characterised in that: the groove (12) and the valve (7) sliding area
Between the side that cooperates be hierarchic structure, the groove (12) along the first connector (1) central axes direction extend outwardly with it is described
The end of first connector (1) is concordant.
5. fuel oil thermostat valve according to claim 4, it is characterised in that: second connector (2) is threaded with connector
(14), the second spring (11) is against on the connector (14).
6. fuel oil thermostat valve according to claim 5, it is characterised in that: the end interference of first connector (1) is equipped with
End cap (15), the end cap (15) resists the wax formula inductor (5), between the end cap (15) and first connector (1)
It is lined with the first sealing ring (16), places outside the end cap (15) equipped with third sealing ring (17).
7. fuel oil thermostat valve according to claim 6, it is characterised in that: the valve (7) is equipped with push-rod hole (18), described
Push rod (6) is against on the push-rod hole (18).
8. fuel oil thermostat valve according to claim 7, it is characterised in that: the connector (14) and second connector (2) it
Between be lined with the second sealing ring (19).
9. a kind of includes the vehicle fuel system temperature control system of the fuel oil thermostat valve as described in any one of claim 1~8, also wrap
Include engine, oil return switching valve, fuel tank, oil inlet switching valve, filter and oil transfer pump that head and the tail are sequentially connected in a closed loop mode, feature
Be: the first connector (1) of the fuel oil thermostat valve is connect with the filter, the second connector (2) of the fuel oil thermostat valve
It is connect with the oil return switching valve, the third connector (3) of the fuel oil thermostat valve is connect with the engine oil return mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821782376.2U CN209469524U (en) | 2018-10-31 | 2018-10-31 | A kind of fuel oil thermostat valve and vehicle fuel temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821782376.2U CN209469524U (en) | 2018-10-31 | 2018-10-31 | A kind of fuel oil thermostat valve and vehicle fuel temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209469524U true CN209469524U (en) | 2019-10-08 |
Family
ID=68086533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821782376.2U Withdrawn - After Issue CN209469524U (en) | 2018-10-31 | 2018-10-31 | A kind of fuel oil thermostat valve and vehicle fuel temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209469524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184975A (en) * | 2018-10-31 | 2019-01-11 | 东风富士汤姆森调温器有限公司 | A kind of fuel oil thermostat valve and vehicle fuel temperature control system |
-
2018
- 2018-10-31 CN CN201821782376.2U patent/CN209469524U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184975A (en) * | 2018-10-31 | 2019-01-11 | 东风富士汤姆森调温器有限公司 | A kind of fuel oil thermostat valve and vehicle fuel temperature control system |
| CN109184975B (en) * | 2018-10-31 | 2024-03-22 | 东风富士汤姆森调温器有限公司 | Fuel temperature control valve and vehicle fuel temperature control system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191008 Effective date of abandoning: 20240322 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191008 Effective date of abandoning: 20240322 |