CN103029699A - Apparatus for opening and closing reservoir - Google Patents
Apparatus for opening and closing reservoir Download PDFInfo
- Publication number
- CN103029699A CN103029699A CN2012103779460A CN201210377946A CN103029699A CN 103029699 A CN103029699 A CN 103029699A CN 2012103779460 A CN2012103779460 A CN 2012103779460A CN 201210377946 A CN201210377946 A CN 201210377946A CN 103029699 A CN103029699 A CN 103029699A
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- Prior art keywords
- fuel tank
- air flow
- flow circuit
- lid
- entrance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/04—Tank inlets
- B60K15/05—Inlet covers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/26—Reservoirs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/04—Tank inlets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/06—Applications or arrangements of reservoirs
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Closures For Containers (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
An apparatus for opening/closing a reservoir, capable of communicating the inside the reservoir with outside air and preventing oil stored in the reservoir from leaking to the outside, the apparatus including a cap coupled to an oil injection port of the reservoir storing oil and provided with an air passage connecting an entry positioned in a center of an inner surface of the cap to an exit positioned at an inner surface of an outer side in a radial direction of the cap to communicate with outside air, and a gasket provided between the inner surface of the cap and the oil injection port and provided in a center thereof with an air-passing hole to communicate the air passage with an inside the reservoir, wherein the air passage is connected in a way to pass through a position, which is spaced apart from the entry to the exit in a coaxial manner with respect to the entry, at least one time.
Description
Technical field
The present invention relates to the switching device of fuel tank, in more detail, the switching device of related fuel tank makes the inside of fuel tank be connected with atmosphere, and can prevent that the oil of storage in the fuel tank from revealing to the outside.
Background technology
Generally speaking, be filled with the fuel tank of oil, its combination that is connected with master cylinder is being stepped on by the driver or the action of loosen the brake, when the inner piston that arranges of master cylinder moves back and forth, plays the effect of confession oil supply, with by the hydraulic operation brake system.
In order to be filled with oil to fuel tank internal, the top of fuel tank is formed with oily inlet, and is arranged at the top of master cylinder, to supply oil supply to master cylinder.
Recently along with machinery space becomes narrow and small, the impact of vehicle interior densification, such fuel tank, it is flat that its shape also becomes, and oily inlet forms with set angle.
On the other hand, be provided be used to the switching device that prevents leakage of oil on the oily inlet of fuel tank, this moment, fuel tank need to be connected with atmosphere, to supply reposefully oil supply to master cylinder.
For this reason, the switching device of switch tank is formed with the hole of setting size, to be communicated with atmosphere.
Fig. 1 is arranged at the section drawing of the state on the oily inlet for showing existing switching device.Fig. 2 is for showing the planar view of the air flow circuit that forms on the existing switching device.
With reference to accompanying drawing, switching device 1 comprises: usually be incorporated into lid 2 on the oily inlet 11 of fuel tank 10 by screw thread; Be arranged at the liner 4 between lid 2 and the oily inlet 11.
Be formed with air flow circuit 3 on the lid 2, be formed with air extractor vent 5 on the liner 4, be connected with atmosphere to make the inside of fuel tank 10 by such switching device 1.Herein, the air flow circuit 3 that forms on the lid 2, the outside from the center of lid 2 towards radial direction is a linear, and air extractor vent 5 is formed at the central authorities of liner 4.At this moment, the inside of fuel tank 10 is connected with atmosphere by the air extractor vent 5 of liner 4 and the air flow circuit 3 of lid 2.
But, when shaking because of acceleration and deceleration generation vehicle in the Vehicle Driving Cycle, the oil in the fuel tank 10 hit the air extractor vent 5 that is formed on the liner 4 because of vibration (springing up), simultaneously along with the temperature rising of machinery space, the size of air extractor vent 5 enlarges, and then oil spills by the top of air extractor vent 5 to liner 4.After such action is back and forth carried out, exist oil spill to pass through air flow circuit 3 to the lid 2 outside problems of revealing.
At this moment, because oil spill, the outer surface periphery of fuel tank 10 is contaminated, and oil spill absorption dust becomes the reason of secondary pollution.
And, in the serious situation, continue the problem that the leakage of oil meeting causes supplying swimmingly to master cylinder (not shown) oil supply, produce simultaneously loss economically.
Simultaneously, the air flow circuit 3 that forms on the lid 2 is communicated with atmosphere one straight line, in the situation that car body tilts slightly in Vehicle Driving Cycle, also can exist along the problem of the easy leakage of oil of the direction of arrow of Fig. 1.
Summary of the invention
The technical matters that (one) will solve
The present invention is for addressing the above problem as proposing, its purpose is, a kind of switching device of fuel tank is provided, even because of pavement state car body is tilted at a certain angle in its Vehicle Driving Cycle or the oil of fuel tank internal storage in produce and spring up in the situation of phenomenon, also can prevent leakage of oil or leakage of oil is minimized.
(2) technical scheme
To achieve these goals, the switching device of fuel tank of the present invention, it comprises: lid, its oily inlet with the fuel tank of storage oil combines, and be provided with the air flow circuit that is communicated with atmosphere, this air flow circuit connects and is positioned at the entrance of lid inner face center and is positioned at outlet on the inner face of the radial direction outside; And liner, it is arranged between the inner face and oily inlet of described lid, and wherein has been formed centrally air extractor vent, so that described air flow circuit is connected with fuel tank internal; Described air flow circuit be connected to form for: take entrance as benchmark, through with outlet the position of coaxial disengaging at least one times more than.
The switching device of another fuel tank of the present invention, it comprises: lid, its oily inlet with the fuel tank of storage oil combines, and is provided with the air flow circuit that is communicated with atmosphere, and this air flow circuit connects and is positioned at the entrance of lid inner face center and is positioned at the outlet on the inner face outside the radial direction; And liner, it is arranged between the inner face and oily inlet of described lid, and wherein has been formed centrally air extractor vent, so that described air flow circuit is connected with fuel tank internal; Described air flow circuit forms: have the spiral in shape of rotating towards outside Way out from the central inlet of lid.
The again switching device of a fuel tank of the present invention, it comprises: lid, its oily inlet with the fuel tank of storage oil combines, and is provided with the air flow circuit that is communicated with atmosphere, and this air flow circuit connects and is positioned at the entrance of lid inner face center and is positioned at the outlet on the inner face outside the radial direction; And liner, it is arranged between the inner face and oily inlet of described lid, and wherein has been formed centrally air extractor vent, so that described air flow circuit is connected with fuel tank internal; Described air flow circuit comprises: the primary flow path of annular, and it is between entrance and outlet; Auxiliary stream, it forms and connects respectively described primary flow path and entrance and outlet.
The switching device of another fuel tank of the present invention, it comprises: lid, its oily inlet with the fuel tank of storage oil combines, and is provided with the air flow circuit that is communicated with atmosphere on it, and this air flow circuit connects and is positioned at the entrance of lid inner face center and is positioned at the outlet on the inner face outside the radial direction; And liner, it is arranged between the inner face and oily inlet of described lid, and wherein has been formed centrally air extractor vent, so that described air flow circuit is connected with fuel tank internal; Described air flow circuit comprises: oval or polygonal primary flow path, and it is between entrance and outlet; Auxiliary stream, it forms and connects respectively described primary flow path and entrance and outlet.
Preferably, described primary flow path forms between entrance and outlet possesses a plurality of of different diameter, and described auxiliary stream forms with adjacent primary flow path and is connected.
More preferably, described primary flow path forms between entrance and outlet not overlapped a plurality of, and described auxiliary stream forms with adjacent primary flow path and is connected.
Preferably, each the auxiliary stream that links to each other with described entrance and outlet forms towards mutually different direction.
On the other hand, described air flow circuit can be recessed to form towards the inner face of lid, perhaps is formed on the inside of lid.
Further, the peripheral position place of the center of described liner and contiguous air extractor vent is formed with the connecting portion of annular curved in the bottom.
(3) beneficial effect
The switching device of fuel tank of the present invention, though tilt at a certain angle because of the pavement state car body in its Vehicle Driving Cycle or the oil of fuel tank internal storage in produce and spring up in the situation of phenomenon, also can prevent leakage of oil or leakage of oil is minimized.At this moment, can prevent from the fuel tank outer surface periphery is polluted, can also prevent the economic loss that causes because of leakage of oil.
And, because the inside of fuel tank is communicated with atmosphere, thus can supply swimmingly oil supply to master cylinder, can guarantee the safety of braking.
Description of drawings
Although the following accompanying drawing of the present invention's foundation is elaborated,, these accompanying drawings just are used for showing the preferred embodiments of the present invention, and therefore technological thought of the present invention should not only limit to the accompanying drawing explanation.
Fig. 1 is arranged at the section drawing of the state on the oily inlet for showing existing switching device.
Fig. 2 is for showing the planar view of the air flow circuit that forms on the existing switching device.
Fig. 3 is arranged at the section drawing of the state on the fuel tank for the switching device of the fuel tank of the demonstration preferred embodiment of the present invention.
Fig. 4 is the section drawing of the switching device main portion of the fuel tank of the demonstration preferred embodiment of the present invention.
The ground plan of the air flow circuit that forms on the switching device of Fig. 5 for the fuel tank of the demonstration preferred embodiment of the present invention.
Fig. 6 and Fig. 7 are respectively the ground plan of the air flow circuit that forms on the switching device of the fuel tank that shows the preferred embodiment of the present invention.
The ground plan of the air flow circuit that forms on the switching device of Fig. 8 for the fuel tank of another preferred embodiment of demonstration the present invention.
Fig. 9 a to Fig. 9 c is respectively the ground plan of the air flow circuit that forms on the switching device of the fuel tank that shows another preferred embodiment of the present invention.
[description of symbols]
10: fuel tank 100: switching device
110,210,310,410,510,510', 510 ": lid
111,211,311,411,511,511', 511 ": air flow circuit
115,215,315: primary flow path
116,216,316: auxiliary stream
120: liner 121: air extractor vent
The specific embodiment
With reference to the accompanying drawings to a preferred embodiment of the present invention will be described in detail.Before this, the term that uses in this specification and claims book or the explanation of word are not limited to the implication in the common dictionary, and should be based on the principle that the contriver can appropriately define in order to adopt the most definite method to describe to its invention, and it is interpreted as meeting implication and the concept of the technology of the present invention thought.Therefore, the graphic structure most preferred embodiment of the present invention only in the embodiment that puts down in writing in this specification sheets and the accompanying drawing, and can not represent the whole technological thought of the present invention.Should be appreciated that, when the application submits to, can also have various equivalent and the variation that can replace its content.
Fig. 3 is arranged at the section drawing of the state on the fuel tank for the switching device of the fuel tank of the demonstration preferred embodiment of the present invention.Fig. 4 is the main portion section drawing of the switching device of described fuel tank.The planar view of the air flow circuit that forms on the switching device of Fig. 5 for the described fuel tank of displaying.
With reference to Fig. 3 to Fig. 5, the switching device 100 of fuel tank of the present invention makes fuel tank 10 inside that are connected with master cylinder 20 be connected with atmosphere, and to supply with the operation hydraulic pressure to master cylinder 20, the architectural feature of the switching device that consists of is, can prevent that the oil leakage of inner storage is oily.At this moment, before the switching device 100 to fuel tank of the present invention describes, at first the integrated structure of master cylinder 20 and fuel tank 10 carried out summary description.
As shown in Figure 3, master cylinder 20 inside are provided with first piston 21 and the second piston 22, and be used for that the work-saving devices (not shown) of described piston 21 and 22 operations are connected.That is, when stepping on the brake pedal (not shown) that arranges on the vehicular drive seat, this power is communicated to work-saving device, is communicated to master cylinder 20 according to the difference of pressure of vacuum and the atmosphere power after with multiplication.And, the power that dependence is communicated to master cylinder 20 is advanced first piston 21 and the second piston 22, to pass on to the wheel cylinder (not shown) of vehicle from the oil that fuel tank 10 receives, produce braking force thereby rely on the oil pressure of passing at the wheel cylinder place.
And, be provided with the switching device that makes fuel tank 10 switches on the oily inlet 11, spill to the outside to prevent oil.
In the assembly such as the fuel tank 10 of above-mentioned combination and master cylinder 20, in order to supply with to master cylinder 20 swimmingly by the oil of storage in the fuel tank 10, fuel tank 10 is connected with atmosphere.At this moment, the switching device 100 that arranges on the oily inlet 11 constitutes the structure that fuel tank 10 is connected with atmosphere.
At this moment, the switching device 100 of fuel tank of the present invention, it comprises: lid 110, it constitutes with atmosphere and is connected, and is incorporated into oily inlet 11; And liner 120, it is arranged between described lid 110 and the oily inlet 11.
More specifically, lid 110 combines with the oily inlet 11 of giving prominence to from fuel tank 10 upper ends.Herein, lid 110 can be connected by general screw thread combination with the combination of oily inlet 11.Be formed with the air flow circuit 111 that is communicated with atmosphere on such lid 110, this air flow circuit 111 connects and is positioned at the entrance 111a of lid 110 inner face centers and is positioned at outlet 111b on the inner face of the radial direction outside.The below is elaborated to described air flow circuit 111.
In order to prevent leakage of oil, liner 120 is at oily inlet 11 and be covered with and form discoidly between its lid 110, and its central authorities are formed with the air extractor vent 121 of slit (slit) shape with ventilating air.That is, liner 120 plays the effect of the oily inlet 11 of closing fuel tank 10, thereby and plays the effect that the inside with fuel tank 10 is connected with atmosphere oil is supplied with swimmingly to master cylinder 20.
And, near the middle position of liner 120, that is, be formed with annular connecting portion 122 curved in the bottom with the adjacent peripheral position place of air extractor vent 121, the terminal part of the projection (with reference to " 112 " of figure 4) that forms on the lid 110 is pressed described connecting portion 122, thus connection that can be firm.At this moment, described connecting portion 122 plays the effect from air extractor vent 121 oil spills of storage set amount, and connecting portion 122 is preferably near the middle position that is formed at liner 120, has farthest distance with the outlet 111b with air flow circuit 111 described later.
According to the present invention, the air extractor vent 121 that the air flow circuit 111 that forms on the lid 110 forms on liner 120 plays the effect that the inside that makes fuel tank 10 is connected with atmosphere.At this moment, can reveal to the outside by air flow circuit 111 by air extractor vent 121 oil spills of liner 120, reveal in order to prevent such oil, air flow circuit 111 can constitute the structure that possesses various shapes.
As one example, as shown in Figure 5, air flow circuit 111 constitutes: between the outlet 111b that the radial direction outside inner face of the entrance 111a of lid 110 inner face center position settings and lid 110 forms, connect described entrance 111a and export 111b.Particularly, air flow circuit 111 comprises: the primary flow path 115 of annular, and it is between entrance 111a and outlet 111b; Auxiliary stream 116, it connects respectively primary flow path 115 and entrance 111a and outlet 111b.
As shown in the figure, primary flow path 115 possesses three concentric circless formation of mutually different diameter by take entrance 111a as benchmark; Auxiliary stream 116 forms and connects adjacent primary flow path 115.At this moment, the auxiliary stream 116 that links to each other with entrance 111a and outlet 111b disposes towards mutually different direction.This is for entrance 111a can be connected with a straight line by auxiliary stream 116 with outlet 111b.
At this moment, although the situation that air flow circuit 111 is possessed three primary flow path 115 has been carried out diagram and explanation, it only is an example, and its quantity optionally increases and decreases to form.
On the other hand, although be ring-type to described primary flow path 115, be that round-shaped situation has been carried out diagram and explanation, but and be subject to this, at least more than one primary flow path 115 can entrance 111a with export not overlapped forming with ellipse or polygonal shape between the 111b.
For example, shown in Fig. 6, air flow circuit 211 can form a plurality of primary flow path 215 for oval, relies on the entrance 211a and the outlet 211b that form on auxiliary stream 216 and the lid 210 to be connected.And as shown in Figure 7, air flow circuit 311 can form a plurality of primary flow path 315 and be quadrangle, relies on the entrance 311a and the outlet 311b that form on auxiliary stream 316 and the lid 310 to be connected.
Can be according to aforesaid primary flow path 115,215,315 and it is connected the auxiliary stream 116,216 that 211b, 311b be connected, 316 shape with entrance 111a, 211a, 311a and outlet 111b, and the structure of configuration forms the air flow circuit 111,211,311 of various forms.Namely, by air flow circuit 111,211,311 is set to the labyrinth form, compare with the air flow circuit (with reference to " 3 " of Fig. 1 and Fig. 2) of existing always line morphology, air flow circuit of the present invention, oil flows along the direction of arrow shown in Figure 5, thereby can reduce significantly the possibility of leakage of oil.At this moment, the graphic hatching of Fig. 5 to Fig. 7 partly represents air flow circuit 111,211 and 311.
On the other hand, although air flow circuit 111,211, the 311st has been described in the previous embodiment, rely on primary flow path 115,215,315 to reach the structure that auxiliary stream 116,216,316 connects, but as other embodiment, can stop oil by the distance of air flow circuit leakage and the structure of leakage of oil as long as air flow circuit constitutes, can adopt any shape.For example, the air flow circuit of the switching device of another embodiment of the present invention is shown among Fig. 8.
With reference to accompanying drawing, air flow circuit 411 can form: have the entrance 411a that forms from lid 410 center positions towards the spiral in shape of the direction rotation of outer side outlet 411b.That is, such air flow circuit 411 allows to the distance of leakage of oil in the situation of leakage of oil elongated, and, also form and can stop the structure of oil flow by the tilt lid 410 that arranges of oily inlet.
Namely, previous embodiment is integrated, as conclusion, the air flow circuit 111,211,311,411 that forms on the lid 110,210,310,410 need to form: take entrance 111a, the 211a of lid 110,210,310,410 center position setting, 311a, 411a as benchmark, through with outlet 111b, 211b, 311b, 411b the position of coaxial disengaging at least one times more than.That is, form to make from air extractor vent 121 oil spills of liner 120 and can not easily pass through the structures that air flow circuit 111,211,311,411 flows out.At this moment, connect the air flow circuit 111,211,311,411 of entrance 111a, 211a, 311a, 411a and outlet 111b, 211b, 311b, 411b, except previous embodiment, can also have the various structures such as waveform, zigzag shape.At this moment, showed among Fig. 9 a to Fig. 9 c that the lid 510,510', 510 " upper air flow circuit 511, the 511', 511 that forms " of switching device of the present invention are take entrance 511a, 511a', 511a " be benchmark, through the position of the coaxial upper disengaging of entrance 511a, 511a', 511a " with exporting 511b, 511b', the 511b " state more than at least one times.
Therefore, according to such air flow circuit 111,211,311,411,511,511', 511 " structure; except air flow circuit 111,211,311,411,511, the 511', 511 that is communicated with atmosphere " original function, can also play preventing leakage of oil or making the minimized effect of leakage of oil.
Conclusion is construed as, and the switching device of fuel tank of the present invention comprises dependence air flow circuit 111,211,311,411,511,511', 511 " makes all embodiment of the oily structure that can not reveal easily.
On the other hand, the shape of the inner face depression of aforesaid air flow circuit 111,211,311,411,511,511', 511 " can form towards with lid 110,210,310,410,510, the 510', 510 of oily inlet 11 front end in contact " perhaps can be formed on lid 110,210,310,410,510,510', 510 " inside.
As mentioned above, although the present invention is illustrated by limited embodiment and accompanying drawing, but the present invention is not limited, and apparently, those skilled in the art in the invention can do various modifications and distortion in the equivalency range of technological thought of the present invention and claims.
Claims (10)
1. the switching device of a fuel tank is characterized in that, it comprises:
Lid, its oily inlet with the fuel tank of storage oil combines, and is provided with the air flow circuit that is communicated with atmosphere on it, and this air flow circuit connects and is positioned at the entrance of lid inner face center and is positioned at the outlet on the inner face outside the radial direction; And
Liner, it is arranged between the inner face and oily inlet of described lid, and wherein has been formed centrally air extractor vent, so that described air flow circuit is connected with fuel tank internal;
Described air flow circuit be connected to form for: take entrance as benchmark, through with outlet the position of coaxial disengaging at least one times more than.
2. the switching device of a fuel tank is characterized in that, it comprises:
Lid, its oily inlet with the fuel tank of storage oil combines, and is provided with the air flow circuit that is communicated with atmosphere, and this air flow circuit connects and is positioned at the entrance of lid inner face center and is positioned at the outlet on the inner face outside the radial direction; And
Liner, it is arranged between the inner face and oily inlet of described lid, and wherein has been formed centrally air extractor vent, so that described air flow circuit is connected with fuel tank internal;
Described air flow circuit forms: have the spiral in shape from the central inlet of lid towards the direction rotation of outer side outlet.
3. the switching device of a fuel tank is characterized in that, it comprises:
Lid, its oily inlet with the fuel tank of storage oil combines, and is provided with the air flow circuit that is communicated with atmosphere, and this air flow circuit connects and is positioned at the entrance of lid inner face center and is positioned at the outlet on the inner face outside the radial direction; And
Liner, it is arranged between the inner face and oily inlet of described lid, and wherein has been formed centrally air extractor vent, so that described air flow circuit is connected with fuel tank internal;
Described air flow circuit comprises: the primary flow path of annular, and it is between entrance and outlet; Auxiliary stream, it forms and connects respectively described primary flow path and entrance and outlet.
4. the switching device of one kind fuel tank is characterized in that, it comprises:
Lid, its oily inlet with the fuel tank of storage oil combines, and is provided with the air flow circuit that is communicated with atmosphere on it, and this air flow circuit connects and is positioned at the entrance of cover inner surface center and is positioned at the outlet on the inner face outside the radial direction; And
Liner, it is arranged between the inner face and oily inlet of described lid, and wherein has been formed centrally air extractor vent, so that described air flow circuit is connected with fuel tank internal;
Described air flow circuit comprises: oval or polygonal primary flow path, and it is between entrance and outlet; Auxiliary stream, it forms and connects respectively described primary flow path and entrance and outlet.
5. the switching device of fuel tank as claimed in claim 3 is characterized in that, described primary flow path forms between entrance and outlet possesses a plurality of of different diameter, and described auxiliary stream forms with adjacent primary flow path and is connected.
6. the switching device of fuel tank as claimed in claim 4 is characterized in that, described primary flow path forms between entrance and outlet not overlapped a plurality of, and described auxiliary stream forms with adjacent primary flow path and is connected.
7. such as the switching device of each described fuel tank among the claim 3-6, it is characterized in that each the auxiliary stream that links to each other with described entrance and outlet forms towards mutually different direction.
8. such as the switching device of each described fuel tank among the claim 1-4, it is characterized in that described air flow circuit is recessed to form towards the inner face of lid.
9. such as the switching device of each described fuel tank among the claim 1-4, it is characterized in that described air flow circuit is formed on the inside of lid.
10. such as the switching device of each described fuel tank among the claim 1-4, it is characterized in that the peripheral position place of the center of described liner and contiguous air extractor vent is formed with the connecting portion of annular curved in the bottom.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110102330A KR20130037845A (en) | 2011-10-07 | 2011-10-07 | Apparatus for opening and closing of reservoir |
| KR10-2011-0102330 | 2011-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103029699A true CN103029699A (en) | 2013-04-10 |
Family
ID=47908974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103779460A Pending CN103029699A (en) | 2011-10-07 | 2012-10-08 | Apparatus for opening and closing reservoir |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20130087564A1 (en) |
| KR (1) | KR20130037845A (en) |
| CN (1) | CN103029699A (en) |
| DE (1) | DE102012019548A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921673A (en) * | 2014-04-11 | 2014-07-16 | 重庆隆鑫机车有限公司 | Engine oil tank cover assembly |
| CN106103220A (en) * | 2013-11-01 | 2016-11-09 | 本田技研工业株式会社 | Master cylinder and reserving liquid tank |
| CN108087097A (en) * | 2016-11-22 | 2018-05-29 | 福特环球技术公司 | Overflow cover ventilation hole |
| CN110185563A (en) * | 2019-05-09 | 2019-08-30 | 盐城查尔斯机电有限公司 | A kind of fuel tank cap for generating set for being not easy to reveal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2726938Y (en) * | 2004-07-29 | 2005-09-21 | 重庆宗申技术开发研究有限公司 | Leak proof oil box cover |
| KR20090032592A (en) * | 2007-09-28 | 2009-04-01 | 코스모이엔지(주) | Oil tank of cap device |
| CN201344083Y (en) * | 2009-02-20 | 2009-11-11 | 陈恳 | Leakage resistance fuel tank cap |
| CN201597438U (en) * | 2009-12-02 | 2010-10-06 | 重庆澳强工贸有限公司 | Ventilated anti-leakage oil tank cover |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2504072A (en) * | 1949-09-08 | 1950-04-11 | Stant Mfg Company | Fillercap vent construction |
| JPH0667903U (en) * | 1993-02-26 | 1994-09-22 | 株式会社ユニシアジェックス | Oil cap on tank |
| JPH0811701A (en) * | 1994-06-30 | 1996-01-16 | Jidosha Kiki Co Ltd | Reservoir for master cylinder |
| US6866056B1 (en) * | 2004-05-14 | 2005-03-15 | William A. Scott | Fuel tank venting system |
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2011
- 2011-10-07 KR KR1020110102330A patent/KR20130037845A/en not_active Application Discontinuation
-
2012
- 2012-09-28 DE DE102012019548A patent/DE102012019548A1/en not_active Ceased
- 2012-10-05 US US13/646,132 patent/US20130087564A1/en not_active Abandoned
- 2012-10-08 CN CN2012103779460A patent/CN103029699A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2726938Y (en) * | 2004-07-29 | 2005-09-21 | 重庆宗申技术开发研究有限公司 | Leak proof oil box cover |
| KR20090032592A (en) * | 2007-09-28 | 2009-04-01 | 코스모이엔지(주) | Oil tank of cap device |
| CN201344083Y (en) * | 2009-02-20 | 2009-11-11 | 陈恳 | Leakage resistance fuel tank cap |
| CN201597438U (en) * | 2009-12-02 | 2010-10-06 | 重庆澳强工贸有限公司 | Ventilated anti-leakage oil tank cover |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106103220A (en) * | 2013-11-01 | 2016-11-09 | 本田技研工业株式会社 | Master cylinder and reserving liquid tank |
| CN106103220B (en) * | 2013-11-01 | 2019-01-04 | 本田技研工业株式会社 | Master cylinder and liquid reserve tank |
| CN103921673A (en) * | 2014-04-11 | 2014-07-16 | 重庆隆鑫机车有限公司 | Engine oil tank cover assembly |
| CN108087097A (en) * | 2016-11-22 | 2018-05-29 | 福特环球技术公司 | Overflow cover ventilation hole |
| CN108087097B (en) * | 2016-11-22 | 2021-11-26 | 福特环球技术公司 | Vent of overflow cover |
| CN110185563A (en) * | 2019-05-09 | 2019-08-30 | 盐城查尔斯机电有限公司 | A kind of fuel tank cap for generating set for being not easy to reveal |
| CN110185563B (en) * | 2019-05-09 | 2024-02-20 | 盐城查尔斯机电有限公司 | Difficult-to-leak oil tank cover for generator set |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012019548A1 (en) | 2013-04-11 |
| KR20130037845A (en) | 2013-04-17 |
| US20130087564A1 (en) | 2013-04-11 |
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Application publication date: 20130410 |