CN106285968A - Check valve-type oil gas converts switch - Google Patents
Check valve-type oil gas converts switch Download PDFInfo
- Publication number
- CN106285968A CN106285968A CN201610763243.XA CN201610763243A CN106285968A CN 106285968 A CN106285968 A CN 106285968A CN 201610763243 A CN201610763243 A CN 201610763243A CN 106285968 A CN106285968 A CN 106285968A
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- China
- Prior art keywords
- oil
- passage
- opening
- disk body
- venthole
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0602—Control of components of the fuel supply system
- F02D19/0613—Switch-over from one fuel to another
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention belongs to engine art, relate to a kind of check valve-type oil-gas change-over switch, be rotationally connected including switch base, cover plate, disk body and handle, disk body and storage tank, handle is fixed on disk body；Disk body has the oil gentle passage of passage, the oil gentle passage of passage staggers up and down, oil passage two ends are respectively arranged with an opening, gas passage two ends are respectively arranged with an opening, oil passage gentle access portal direction is all towards side, fuel feed hole is relative with two openings of oil passage respectively with opening direction with the position of oil outlet, air inlet is relative with the two of gas passage openings respectively with opening direction with the position of venthole, fuel feed hole, oil outlet, the globe valve sealing opening is set in the aperture of air inlet and venthole, the increase globe valve spring to aperture pressure is set on globe valve, cover plate is fixed on the end face of switch base, the notch of storage tank is sealed.Oily gentle mixed combustion, the mesh of protection electromotor are reached to avoid.
Description
Technical field
The invention belongs to engine art, relate to a kind of check valve-type oil-gas change-over switch.
Background technology
At present, the gasoline engine of domestic production is all using fuel oil as power source, pollutes big, and oil consumption is high.Along with oil price
Rise and the raising of environmental requirement, single fuel vapor oil machine is the most increasingly not suitable with the requirement of social development.CNG is compression
The abbreviation of natural gas.CNG is nontoxic, tasteless, colourless gas, has price low, without carcinogen (aerofluxuss such as benzene, lead, sulfur
Pollution is the 1/3 of gasoline), and working region without carbon distribution, do not dilute machine oil, engine scuffing is little (can save the machine oil of 50%
Expense), rich reserves, be easy to store the feature such as transport, be presently the most preferable gasoline succedaneum.Simple using CNG as fuel
Although gasoline engine can solve the problem that oil consumption and pollution problem, but dynamic property is the best and mobile inconvenient etc. prominent asks owing to existing
Topic so that it is be difficult to dominate the market as ripe type.
In conjunction with These characteristics, market occurs in that CNG/ fuel oil dual-fuel gasoline engine, the most as required may be used
To use CNG or fuel oil as power source selectively, both solved the problems such as pollution, oil consumption, disclosure satisfy that again dynamic property and
The requirement being moved easily.The fuel of dual-fuel gasoline engine is so supply, and the fuel cock of tank bottoms directly passes through oil pipe
Being connected with carburetor, the air relief valve that CNG gas cylinder connects also is directly connected to carburetor by trachea, so in the situation of maloperation
Under, fuel oil and combustion gas likely simultaneously enter in carburetor, cause electromotor oil and the phenomenon of combustion gas mixing burning occur so that
Electromotor cisco unity malfunction.
Notification number is that the patent of invention of CN101915169A discloses a kind of check valve-type oil-gas change-over switch, at switch base
All sidewalls on fuel inlet fitting, delivery connection, inlet suction port and air outlet adapter are set, the end face of switch base offers storage tank,
The bottom land of this storage tank arranges fuel feed hole, oil outlet, air inlet and venthole；Fuel feed hole connects with the endoporus of fuel inlet fitting, goes out
Oilhole connects with the endoporus of delivery connection, and air inlet connects with the endoporus of inlet suction port, and venthole connects with the endoporus of air outlet adapter
Logical；Handle is made up of disk body and handle, and wherein disk body is positioned at storage tank, has in the card of storage tank bottom land at disk body
Bar-shaped trough, the card of disk body storage tank bottom land dorsad connects with handles, and this handle passes in the via from cover plate.The present invention
Purpose be to ensure that the most all only have a kind of fuel to enter carburetor by switch base, it is therefore prevented that electromotor occur oil and combustion
The phenomenon of gas mixed combustion, but in this scheme, oil during being converted to combustion gas to, oil will necessarily be taken the pipe of combustion gas
In road, otherwise, fuel gas alternative during being oil, also combustion gas can be taken in the pipeline of oil, still there will be mixed combustion
Problem, and change every time and all can mix, electromotor is caused damage, affects the use of electromotor, even affect electromotor
Performance and the life-span.
Summary of the invention
The invention is intended to provide a kind of check valve-type oil-gas change-over switch, to avoid oily gentle mixed combustion, and then protection
Electromotor.
In order to achieve the above object, the base case of the present invention provides a kind of oil-gas change-over switch for dual-fuel gasoline engine, bag
Include switch base and cover plate, the sidewall of described switch base arranges fuel inlet fitting, delivery connection, inlet suction port and air outlet adapter, opens
Closing seat and be provided with storage tank, described storage tank is provided with fuel feed hole, oil outlet, air inlet and venthole；Fuel feed hole connects with oil-feed
Head endoporus connection, oil outlet connects with the endoporus of delivery connection, and air inlet connects with the endoporus of inlet suction port, venthole with go out
The endoporus connection of gas joint, also includes that disk body and handle, described disk body and storage tank are rotationally connected, and described handle is fixed on disk body
On；Described disk body has the oil gentle passage of passage, and the described oil gentle passage of passage staggers up and down, and oil passage two ends are respectively arranged with one and open
Mouthful, gas passage two ends are respectively arranged with an opening, and oil passage gentle access portal direction is all towards side, and opening direction has two kinds, with dish
Body center is axle center, the opening of oil passage toward the clockwise direction, the opening of gas passage counterclockwise, or oil the opening of passage
Counterclockwise, the opening of gas passage is toward the clockwise direction for mouth；Described fuel feed hole and the position of oil outlet and opening direction divide
Not relative with two openings of oily passage, described air inlet and the position of venthole and opening direction respectively with two of gas passage
Opening is relative, arranges the globe valve of seal orifice, described globe valve in the aperture of fuel feed hole, oil outlet, air inlet and venthole
On be provided with increase globe valve and the spring of aperture pressure, described handle is fixed on disk body, and described cover plate is fixed on switch base
End face on, the notch of storage tank is sealed；The angle that fuel feed hole, oil outlet line and air inlet, venthole line are formed with
The corner dimension that oil passage, gas passage are formed is different.
The principle of base case: fuel inlet fitting is connected with the fuel cock of fuel tank, and delivery connection is connected with carburetor, air inlet
Joint is connected with the air relief valve of CNG gas cylinder, and air outlet adapter is connected with carburetor, and control handle rotates, and makes oil passage by fuel feed hole
Turning on oil outlet, now the oil in fuel tank passes sequentially through fuel inlet fitting, fuel feed hole, oil passage, oil outlet and delivery connection,
Rear entrance carburetor, electromotor with oil as fuel work because one end of the gentle passage in one end of oil passage be positioned at fuel feed hole with
Between air inlet, the other end of the gentle passage of the other end of oil passage between oil outlet and venthole, now air inlet with
Being formed without path between venthole, CNG combustion gas can not enter carburetor.In like manner, swing handle make gas passage by air inlet and
Venthole turns on, and the combustion gas of CNG fuel gas bottle passes sequentially through inlet suction port, air inlet, gas passage, venthole and air outlet adapter, enters
Entering carburetor, electromotor, with combustion gas as fuel work, does not now form path between fuel feed hole and oil outlet, fuel oil can not enter
Carburetor.Elaborating the process of oil channel conductive fuel feed hole and oil outlet below, under original state, globe valve is at spring
The effect lower seal fuel feed hole of elastic force and oil outlet, if oil pressure ratio is higher, can make that globe valve pressed on the contrary is tighter, it is ensured that no
Meeting leakage of oil, swing handle, handle grip Moving plate body rotates, and makes oil access portal contact with fuel feed hole, oil outlet, backs down spherical simultaneously
Valve, makes oil circuit turn on.Rotating backward handle, handle grip Moving plate body makes oil access portal separate with fuel feed hole, oil outlet, globe valve
Fuel feed hole and oil outlet it is again sealed off under the effect of spring force, meanwhile, with same process conducting air inlet and venthole,
Its principle is just the same, therefore is not describing.
The advantage of base case: use the oil gentle passage of passage to make fuel feeding route and supply route separately, it is to avoid fuel oil
With the contact of combustion gas, really ensure that and the most all only have a kind of fuel to enter carburetor by switch base, it is to avoid fuel oil
Burn with combustion gas mixing, it is ensured that engine work, effectively protect electromotor；It is also possible to it is gentle according to oil
Different characteristics, respectively with the different sealing means gentle passages of Seal Oil passage.
Preferred version one: based on scheme preferred, the profile stating storage tank is circle, described fuel feed hole, oil outlet,
Air inlet and venthole are circumferentially uniformly distributed, and fuel feed hole is oppositely arranged with oil outlet, and described switch base is circular, described oil-feed
Joint, delivery connection, inlet suction port and air outlet adapter are uniformly distributed on the circumference of switch base.
The simple in construction that this programme provides profile to be circular storage tank and switch base easily processes, and beneficially pipeline
Connect and arrange.
Preferred version two: based on scheme preferred, described fuel feed hole, oil outlet, air inlet and venthole are provided with
Seal washer.
The seal washer that this programme provides improves the sealing in above-mentioned aperture and globe valve, also improves aperture and oil access opening
The sealing of the gentle access portal of mouth.
Preferred version three: based on scheme preferred, be provided with wave washer between described cover plate and the disk body of handle.
The wave washer that this programme provides can be squeezed after installing, and wave washer, to one counteracting force of disk body, makes
The bottom land of disk body and storage tank is tightly pressed together, and improves the positional precision of disk body, particularly the oil gentle access portal of access portal
Positional precision.
Preferred version four: based on scheme preferred, described cover plate is provided with the keeper of fixed handle position.
Handle is fixed by the keeper that this programme provides, it is ensured that when need not change fuel, handle and disk body all can not
Enough activities.
Preferred version five: based on scheme preferred, described handle is square, a right angle arm of handle and disk body
Center be vertically connected.
The purpose of this programme is to simplify grip structure, it is simple to operation.
Preferred version six: based on scheme preferred, be provided with fuel feed hole, oil outlet, air inlet in described storage tank
The dividing plate separated with venthole.
The principle of this programme and having the beneficial effects that, even if having a small amount of oil or combustion gas leakage changing fuel when
In storage tank, combustion gas and oil the most individually separate, in order to recycle.
Accompanying drawing explanation
Fig. 1 is check valve-type oil-gas change-over switch embodiment overall schematic of the present invention；
Fig. 2 is embodiment of the present invention check valve-type oil-gas change-over switch entirety top view；
Fig. 3 is oily passage and the inlet hole structure schematic diagram of embodiment of the present invention check valve-type oil-gas change-over switch.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference in Figure of description includes: switch base 1, cover plate 2, fuel inlet fitting 3, delivery connection 4, inlet suction port 5, go out
Gas joint 6, storage tank 7, fuel feed hole 8, oil outlet 9, air inlet 10, venthole 11, disk body 12, handle 13, oil passage 14, gas lead to
Road 15, opening 16, globe valve 17, spring 18, seal washer 19, wave washer 20, keeper 21, dividing plate 22.
The basic structure of the present embodiment as shown in Figure 1 and Figure 2, Fig. 2 be in Fig. 1 A-A to sectional view.Including switch base 1, lid
Plate 2, disk body 12 and handle 13, the sidewall of switch base 1 arranges fuel inlet fitting 3, delivery connection 4, inlet suction port 5 and air outlet adapter
6, switch base 1 is provided with storage tank 7, and the profile of storage tank 7 is circular, and storage tank 7 is provided with fuel feed hole 8, oil outlet 9, air inlet
Hole 10 and venthole 11；Fuel feed hole 8 connects with the endoporus of fuel inlet fitting 3, and oil outlet 9 connects with the endoporus of delivery connection 4, air inlet
Hole 10 connects with the endoporus of inlet suction port 5, and venthole 11 connects with the endoporus of air outlet adapter 6.Fuel feed hole 8 and oil outlet 9 position
Relatively, air inlet 10 is relative with venthole 11 position, fuel feed hole 8, oil outlet 9 line and air inlet 10, venthole 11 binding clip
Angle is 90 degree, but two lines are not in same level.Cylindrical disk body 12 is positioned at storage tank 7, and disk body 12 has energy
Connect the oily passage 14 of fuel feed hole 8 and oil outlet 9, and the gas passage 15 of air inlet 10 and venthole 11 can be connected.Oil passage
14 two ends are respectively arranged with an opening 16, and gas passage 15 two ends are respectively arranged with an opening 16, oil passage 14 gentle passage 15 opening 16 direction
All towards side, the opening 16 of the top of oil passage 14 is towards the right side, and opening 16 direction of the lower section of oil passage 14 is towards a left side；Gas passage 15
The opening 16 on the left side down, the opening 16 on the right of gas passage 15 upward, fuel feed hole 8 and the position of oil outlet 9 and opening 16 side
To respectively with oil passage 14 two openings 16 relative, air inlet 10 and the position of venthole 11 and opening 16 direction respectively with gas
Two openings 16 of passage 15 are relative,
The connected mode of oil passage 14 and fuel feed hole 8, as it is shown on figure 3, be provided with globe valve 17 in fuel feed hole 8 mouthfuls, is in compressive state
Spring 18 increase the globe valve 17 pressure to aperture, be additionally provided with seal washer 19.If being set at the opening 16 of oil passage 14
Dry aperture, can pass through again fuel oil guaranteeing jack-up globe valve 17.Existing sealing is used to tie at oil passage 14 opening 16
Structure so that it is can only one-way conduction.Oil outlet 9, air inlet 10 are identical with Fig. 3, the most not with the structure at the aperture of venthole 11
Describe again.
The dividing plate 22 fuel feed hole 8, oil outlet 9, air inlet 10 and venthole 11 separated it is provided with in storage tank 7.Cover plate 2 is solid
It is scheduled on the end face of switch base 1, the notch of storage tank 7 is sealed.It is provided with wave washer between the disk body 12 of cover plate 2 and handle
20.Handle 13 is one-body molded with disk body 12, and it is outside that handle 13 is positioned at switch base 1 through cover plate 2.Handle 13 is square, handle
One right angle arm of 13 is vertically connected with the center of disk body 12.
The principle of the present embodiment: fuel inlet fitting 3 is connected with the fuel cock of fuel tank, delivery connection 4 is connected with carburetor, enters
Gas joint 5 is connected with the air relief valve of CNG gas cylinder, and air outlet adapter 6 is connected with carburetor, and control handle 13 rotates, and makes oil passage 14
Fuel feed hole 8 and oil outlet 9 being turned on, now the oil in fuel tank passes sequentially through fuel inlet fitting 3, fuel feed hole 8, oil passage 14, fuel-displaced
Hole 9 and delivery connection 4, finally enter carburetor, and electromotor is with oil as fuel work, now between air inlet 10 and venthole 11
Being formed without path, CNG combustion gas can not enter carburetor.In like manner, swing handle 13 makes gas passage 15 by air inlet 10 and give vent to anger
Hole 11 turns on, and the combustion gas of CNG fuel gas bottle passes sequentially through inlet suction port 5, air inlet 10, gas passage 15, venthole 11 and giving vent to anger and connects
6, enter carburetor, electromotor, with combustion gas as fuel work, does not now form path, fuel oil between fuel feed hole 8 and oil outlet 9
Carburetor can not be entered.The process that oil passage 14 turns on fuel feed hole 8 and oil outlet 9 below elaborates, under original state,
Globe valve 17 is at the effect lower seal fuel feed hole 8 of spring 18 elastic force and oil outlet 9, and seal washer 19 ensure that its sealing effectiveness ratio
Relatively reliable, and oil passage 14 opening 16 use the structure of one-way conduction make oil passage 14 in oil will not from oil passage 14 opening 16
Place flows into storage tank 7.If oil pressure ratio is higher, can make that globe valve 17 pressed on the contrary is tighter, it is ensured that will not leakage of oil, swing handle
13, handle 13 drives disk body 12 to rotate, and makes oil passage 14 opening 16 contact with fuel feed hole 8, oil outlet 9, backs down globe valve simultaneously
17, make oil circuit turn on.Handle 13 is fixed by keeper 21, begins to use fuel oil service.Take off fixture, rotate backward handle
13, handle 13 drives disk body 12 to make oil passage 14 opening 16 separate with fuel feed hole 8, oil outlet 9, and globe valve 17 is at spring 18 elastic force
Effect under be again sealed off fuel feed hole 8 and oil outlet 9, meanwhile, with same process conducting air inlet 10 and venthole 11, it is former
Manage just the same, therefore do not describing.Wave washer 20 can be squeezed after installing, and wave washer 20 gives 12 1 anti-works of disk body
Firmly, making the bottom land of disk body 12 and storage tank 7 be tightly pressed together, improve the positional precision of disk body 12, particularly oil passage 14 is opened
The positional precision of mouth 16 gentle passage 15 openings 16.
The advantage of the present embodiment: use the oil gentle passage of passage 14 15 to make fuel feeding route and supply route separately, it is to avoid
Fuel oil and the contact of combustion gas, really ensure that and the most all only have a kind of fuel to enter carburetor by switch base 1, it is to avoid
Fuel oil and combustion gas mixing burning, it is ensured that engine work, effectively protect electromotor；It is also possible to according to oil and
The different characteristics of gas, respectively with the different gentle passages 15 of sealing means Seal Oil passage 14.Additionally housing in the present embodiment
The simple in construction of groove 7 and switch base 1 is easily processed, and the beneficially connection of pipeline and layout.Have changing fuel when
A small amount of oil or combustion gas drain in storage tank 7, and combustion gas and oil the most individually separate, in order to recycle.
Above-described is only embodiments of the invention, and in scheme, the known general knowledge such as concrete structure and/or characteristic is at this
Too much describe.It should be pointed out that, for a person skilled in the art, on the premise of without departing from present configuration, also
May be made that some deformation and improvement, these also should be considered as protection scope of the present invention, and these are real all without affecting the present invention
The effect executed and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, description
In detailed description of the invention etc. record the content that may be used for explaining claim.
Claims (7)
1. a check valve-type oil-gas change-over switch, including switch base and cover plate, the sidewall of described switch base arranges oil-feed and connects
Head, delivery connection, inlet suction port and air outlet adapter, switch base is provided with storage tank, and described storage tank is provided with fuel feed hole, fuel-displaced
Hole, air inlet and venthole；Fuel feed hole connects with the endoporus of fuel inlet fitting, and oil outlet connects with the endoporus of delivery connection, air inlet
Hole connects with the endoporus of inlet suction port, and venthole connects with the endoporus of air outlet adapter, it is characterised in that also include disk body and handle
Hands, described disk body and storage tank be rotationally connected, and described handle is fixed on disk body；Described disk body has the oil gentle passage of passage,
The described oil gentle passage of passage staggers up and down, and oil passage two ends are respectively arranged with an opening, and gas passage two ends are respectively arranged with an opening, and oil is logical
Gentle access portal direction, road is all towards side, and opening direction has two kinds, and with disk body center as axle center, the opening of oil passage is towards up time
Pin direction, the opening of gas passage counterclockwise, or oil passage opening counterclockwise, the opening of gas passage is towards suitable
Clockwise；Described fuel feed hole and the position of oil outlet are relative with two openings of oil passage respectively with opening direction, described in enter
Pore is relative with the two of gas passage openings respectively with opening direction with the position of venthole, fuel feed hole, oil outlet, air inlet and
The globe valve sealing opening is set in the aperture of venthole, described globe valve is provided with the increase globe valve bullet to aperture pressure
Spring, described cover plate is fixed on the end face of switch base, is sealed by the notch of storage tank；One end of the gentle passage in one end of oil passage
Between fuel feed hole and air inlet, the other end of the gentle passage of the other end of oil passage is between oil outlet and venthole.
Check valve-type oil-gas change-over switch the most according to claim 1, it is characterised in that the profile of described storage tank is circle
Shape, described fuel feed hole, oil outlet, air inlet and venthole be circumferentially uniformly distributed, and fuel feed hole is oppositely arranged with oil outlet, described
Switch base is circular, and described fuel inlet fitting, delivery connection, inlet suction port and air outlet adapter uniformly divide on the circumference of switch base
Cloth.
Check valve-type oil-gas change-over switch the most according to claim 1, it is characterised in that described fuel feed hole, oil outlet, enter
Pore and venthole are provided with seal washer.
Check valve-type oil-gas change-over switch the most according to claim 1, it is characterised in that described cover plate and the disk body of handle
Between be provided with wave washer.
Check valve-type oil-gas change-over switch the most according to claim 1, it is characterised in that described cover plate is provided with fixing
The keeper of hand position.
Check valve-type oil-gas change-over switch the most according to claim 1, it is characterised in that described handle is square,
One right angle arm of hands is vertically connected with the center of disk body.
Check valve-type oil-gas change-over switch the most according to claim 1, it is characterised in that be provided with in described storage tank to enter
The dividing plate that oilhole, oil outlet, air inlet and venthole separate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610763243.XA CN106285968B (en) | 2016-08-30 | 2016-08-30 | Check valve-type oil gas conversion switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610763243.XA CN106285968B (en) | 2016-08-30 | 2016-08-30 | Check valve-type oil gas conversion switch |
Publications (2)
| Publication Number | Publication Date |
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| CN106285968A true CN106285968A (en) | 2017-01-04 |
| CN106285968B CN106285968B (en) | 2019-03-15 |
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ID=57675569
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610763243.XA Active CN106285968B (en) | 2016-08-30 | 2016-08-30 | Check valve-type oil gas conversion switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230143603A1 (en) * | 2021-11-09 | 2023-05-11 | Chongqing Zongshen General Power Machine Co., Ltd. | Multi-fuel switching device |
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| DE102010053438A1 (en) * | 2010-12-06 | 2012-06-06 | Twintec Ag | Method for switching supply of e.g. petrol and natural gas to internal combustion engine of motor car, involves modifying supply of liquid and gaseous fuel such that fuel is uniformly supplied to engine |
| KR101442118B1 (en) * | 2014-07-01 | 2014-09-22 | 한국생산기술연구원 | fuel changing device for bi-fuel generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20230143603A1 (en) * | 2021-11-09 | 2023-05-11 | Chongqing Zongshen General Power Machine Co., Ltd. | Multi-fuel switching device |
| US11703000B2 (en) * | 2021-11-09 | 2023-07-18 | Chongqing Zongshen General Power Machine Co., Ltd. | Multi-fuel switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106285968B (en) | 2019-03-15 |
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Effective date of registration: 20201020 Address after: Room 204, building 3, brick and tile factory dormitory, Xinghua City, Taizhou City, Jiangsu Province Patentee after: Zhang Jingxing Address before: 402566 Tongliang City, the streets of the office of the streets of the office of Chongqing Longshan Road, No. 38 (Pu Lu Industrial Park) Patentee before: CHONGQING KAILONG TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20220322 Address after: 245000, Meilin Avenue, Huangshan City Economic Development Zone, Anhui, 55 Patentee after: ANHUI TUNXI HIGH PRESSURE VALVE Co.,Ltd. Address before: 225700 Room 204, building 3, brick and tile factory dormitory, Xinghua City, Taizhou City, Jiangsu Province Patentee before: Zhang Jingxing |
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Address after: 245000, Meilin Avenue, Huangshan City Economic Development Zone, Anhui, 55 Patentee after: Anhui Tunxi High Pressure Valve Co.,Ltd. Address before: 245000, Meilin Avenue, Huangshan City Economic Development Zone, Anhui, 55 Patentee before: ANHUI TUNXI HIGH PRESSURE VALVE Co.,Ltd. |
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