CN106321258A - Floating type oil-gas change-over switch - Google Patents
Floating type oil-gas change-over switch Download PDFInfo
- Publication number
- CN106321258A CN106321258A CN201610760006.8A CN201610760006A CN106321258A CN 106321258 A CN106321258 A CN 106321258A CN 201610760006 A CN201610760006 A CN 201610760006A CN 106321258 A CN106321258 A CN 106321258A
- Authority
- CN
- China
- Prior art keywords
- oil
- storage tank
- fuel
- rocker piece
- switch base
- Prior art date
- 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.)
- Pending
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Classifications
-
- 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 the field of engines, and relates to a floating type oil-gas change-over switch. The floating type oil-gas change-over switch comprises a switch base and a cover plate. The switch base is provided with a containing groove. The two ends of the containing groove are provided with conical faces. An oil inlet hole and an oil outlet hole are oppositely formed in the conical face at one end of the containing groove. A gas inlet hole and a gas outlet hole are oppositely formed in the conical face at the other end of the containing groove. The floating type oil-gas change-over switch further comprises a driving device and a floating block matched with the containing groove. The floating block is provided with a sliding rod. The sliding rod is connected to the driving device. The floating block is arranged in the containing groove in a sliding mode. The two ends of the floating block are provided with conical heads matched with the conical faces of the containing groove. The conical head at one end of the floating block is provided with an oil channel, and the conical head at the other end of the floating block is provided with a gas channel. The cover plate is fixed to the end face of the switch base to seal the opening of the containing groove. A handle is connected with a control rod. Accordingly, mixed combustion of oil and gas is avoided, and then an engine is protected.
Description
Technical field
The invention belongs to engine art, relate to a kind of floating 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 (the aerofluxus dirt of the carcinogen such as benzene, lead, sulfur
Dye is the 1/3 of gasoline), and working region without carbon distribution, do not dilute machine oil, engine scuffing little (the machine oil expense of 50% can be saved),
Rich reserves, it is easy to store the feature such as transport, is presently the most preferable gasoline succedaneum.Simple using CNG as the vapour of fuel
Although oil machine can solve the problem that oil consumption and pollution problem, but owing to there is the outstanding problems such as the best and mobile inconvenience of dynamic property, makes
It is 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 oil-gas change-over switch for dual-fuel gasoline engine, is opening
Close and on all sidewalls of seat, fuel inlet fitting, delivery connection, inlet suction port and air outlet adapter are set, the end face of switch base is offered accommodating
Groove, 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,
Oil outlet connects with the endoporus of delivery connection, and air inlet connects with the endoporus of inlet suction port, venthole and the endoporus of air outlet adapter
Connection；Handle is made up of disk body and handle, and wherein disk body is positioned at storage tank, opens in the card of storage tank bottom land at disk body
Having bar-shaped trough, the card of disk body storage tank bottom land dorsad connects with handles, this handle passes in the via from cover plate.This
Bright purpose is 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
The phenomenon of combustion gas mixing burning, but in this scheme, oil during being converted to combustion gas, oil will necessarily be taken to combustion gas
In pipeline, otherwise, fuel gas alternative during being oil, also combustion gas can be taken in the pipeline of oil, still there will be mixing combustion
The problem burnt, and change every time and all can mix, electromotor is caused damage, affects the use of electromotor, even impact and start
The performance of machine and life-span.
Summary of the invention
The invention is intended to provide a kind of floating type oil-gas change-over switch, to avoid oily gentle mixed combustion, and then protection is sent out
Motivation.
In order to achieve the above object, the base case of the present invention provides a kind of floating type oil-gas change-over switch, including switch
Seat and cover plate, the sidewall of described switch base arranges fuel inlet fitting, delivery connection, inlet suction port and air outlet adapter, on switch base
Being provided with storage tank, described storage tank is provided with fuel feed hole, oil outlet, air inlet and venthole；Fuel feed hole is interior with fuel inlet fitting
Hole connects, and oil outlet connects with the endoporus of delivery connection, and air inlet connects with the endoporus of inlet suction port, venthole and air outlet adapter
Endoporus connection, the two ends of described storage tank are provided with the conical surface, and described fuel feed hole and oil outlet are oppositely arranged on storage tank one end
On the conical surface, described air inlet and venthole are oppositely arranged on the conical surface of the storage tank other end, also include driving means and with appearance
Putting the rocker piece that groove matches, described rocker piece is provided with slide bar, and described slide bar connects on the drive means, and described rocker piece is sliding
Moving and be arranged in storage tank, rocker piece two ends are provided with the conehead that the conical surface with storage tank agrees with mutually, on the conehead of rocker piece one end
Being provided with oil passage, the conehead of the other end is provided with gas passage.Described cover plate is fixed on the end face of switch base, by the groove of storage tank
Mouth seals, and described handle is connected with controlling bar.
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 rocker piece slides, make oil passage by fuel feed hole and
Oil outlet turns on, and now the oil in fuel tank passes sequentially through fuel inlet fitting, fuel feed hole, oil passage, oil outlet and delivery connection, finally
Entering carburetor, electromotor, with oil as fuel work, is now formed without path between air inlet and venthole, CNG combustion gas is not
Carburetor can be entered.In like manner, drive rocker piece to slide, make gas passage air inlet and venthole be turned on, the combustion gas of CNG fuel gas bottle
Passing sequentially through inlet suction port, air inlet, gas passage, venthole and air outlet adapter, enter carburetor, electromotor is with combustion gas as fuel
Work, does not now form path between fuel feed hole and oil outlet, fuel oil can not enter carburetor.And at air inlet and venthole
During conducting, oil inlet pipe and flowline are sealed by the conehead of rocker piece, and oil therein does not flows into storage tank；In like manner, fuel feed hole and
During oil outlet conducting, combustion gas also will not enter storage tank.It is tighter that the conehead of rocker piece makes rocker piece contact when coordinating with storage tank
Close, further increase the sealing of device.It addition, because the oil gentle passage of passage lays respectively at rocker piece two ends, both it
Spaced apart, also will not mixed combustion even if having a small amount of fuel oil or combustion gas to flow out.
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, fundamentally solve
Determined fuel oil and combustion gas mixing burning problem, it is ensured that engine work, effectively protect electromotor；Simultaneously, it is possible to
With the different characteristics gentle according to oil, respectively with the different sealing means gentle passages of Seal Oil passage.
Preferred version one: based on the preferred version of scheme, described driving means is cylinder or hydraulic cylinder.
Present solution provides simple driving means, enable rocker piece to move reliably.
Preferred version two: based on scheme preferred, described driving means includes connecting rod, disk body and handle, described company
Bar one end is rotationally connected with slide bar, and the other end is rotationally connected with disk body, and described handle is fixed on disk body.
The principle of this programme and having the beneficial effects that, is provided with a slider-crank mechanism, by hand drive disk body is turned
Dynamic, disk body drives slide bar to move by connecting rod, thus arrives the effect making rocker piece slide at storage tank.Rocker piece slides into one
By oil passage, oil inlet pipe is turned on flowline during the end limit, will be entered by gas passage when rocker piece slides into the other end limit
Trachea turns on escape pipe.Meanwhile, because the dead point characteristic of crank block, rocker piece is made all to be pushed up when turning on arbitrary pipeline
Extremely, reliability during work is added.
Preferred version three: preferably two preferred, described switch base be provided with limit disk body motion fixture.
The principle of this programme and having the beneficial effects that, when rocker piece moves to operating position, fixture is by the position of disk body
Put fixing, to ensure that rocker piece can turn on one of them pipeline.
Preferred version four: preferably one or preferred version two preferred, described switch base is circular, described in enter
Oil joint, delivery connection, inlet suction port and air outlet adapter are uniformly distributed on the circumference of switch base.
The purpose of this programme is to provide one and is easy to connection and the switch-seat structure of layout of processing, beneficially pipeline.
Preferred version five: preferably one or preferred version two preferred, the end face of described storage tank and cover plate
Between be provided with sealing gasket.
The purpose of this programme is to strengthen sealing, strengthens the sealing of storage tank, prevents leakage of oil or gas leakage further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1 entirety；
Fig. 2 is the embodiment of the present invention 1 switch base Facad structure schematic diagram；
Fig. 3 is the embodiment of the present invention 1 switch base top view；
Fig. 4 is the embodiment of the present invention 1 floating block structure schematic diagram；
Fig. 5 is the embodiment of the present invention 2 overall structure schematic diagram；
Fig. 6 is the embodiment of the present invention 2 switch base Facad structure schematic diagram；
Fig. 7 is the embodiment of the present invention 2 switch base top view；
Fig. 8 is the embodiment of the present invention 2 floating block structure schematic diagram.
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, the conical surface 12, rocker piece 14, slide bar 15, oil are logical
Road 16, gas passage 17, cylinder 18, connecting rod 19, disk body 20, handle 21, sealing gasket 23, sealing ring 24.
Embodiment 1
The present embodiment overall structure is as it is shown in figure 1, include switch base 1, cover plate 2, rocker piece 14 and cylinder 18, the knot of switch base 1
As shown in Figures 2 and 3, switch base 1 profile is circular to structure, and fuel inlet fitting 3 and delivery connection 4 are oppositely arranged on the side of switch base 1
On wall, inlet suction port 5 is positioned at the underface of fuel inlet fitting 3, air outlet adapter 6 be positioned at air outlet adapter 6 be positioned at delivery connection 4 just under
Side, switch base 1 is provided with storage tank 7, and storage tank 7 is opening up, and storage tank 7 is provided with fuel feed hole 8, oil outlet 9, air inlet 10
With venthole 11；Fuel feed hole 8 connects with fuel inlet fitting 3, and oil outlet 9 connects with delivery connection 4, air inlet 10 and inlet suction port 5
Connection, venthole 11 connects with air outlet adapter 6, and the two ends of storage tank 7 are provided with the conical surface 12, and the conical surface 12 makes storage tank 7 broad in the middle, and two
Hold little.The conical surface 12 can also be replaced by inclined-plane, and the present embodiment illustrates with the conical surface 12, and fuel feed hole 8 is relative with oil outlet 9, and arranges
On the conical surface 12 of storage tank 7 upper end, air inlet 10 is relative with venthole 11, and is arranged on the conical surface 12 of storage tank 7 lower end.
As shown in Figure 4, rocker piece 14 main body is cylinder to the structure of rocker piece 14, middle as storage tank 7 column part size, floating
Motion block 14 two ends are the conical surface 12 that tapering is consistent with storage tank 7 two ends tapering, and one end conical surface 12 has oil passage 16, the other end
Having gas passage 17 on the conical surface 12, the distance of the oil gentle passage of passage 16 17, less than oil outlet 9 and the distance of venthole 11, is floated
It is one-body molded that block 14 is provided with slide bar 15, slide bar 15 and rocker piece 14 near oil passage 16 side.Slide bar 15 is connected on cylinder 18,
Rocker piece 14 is slidably arranged in storage tank 7, makes rocker piece 14 to select to connect fuel feed hole 8 and oil outlet 9 by sliding, also
It is to connect air inlet 10 and venthole 11.Cover plate 2 is fixed on the end face of switch base 1, is sealed by the notch of storage tank 7, cover plate 2
With the hole being provided with between switch base 1 end face on sealing gasket 23, slide bar 15 and cover plate 2 is slidably connected, the hole on slide bar 15 and cover plate 2 it
Between sealing ring 24 is set.
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 cylinder 18 drives rocker piece 14 to slide, and makes
Fuel feed hole 8 and oil outlet 9 are turned on by oil passage 16, and now the oil in fuel tank passes sequentially through fuel inlet fitting 3, fuel feed hole 8, oil passage
16, oil outlet 9 and delivery connection 4, finally enter carburetor, electromotor with oil as fuel work, now air inlet 10 with give vent to anger
Being formed without path between hole 11, CNG combustion gas can not enter carburetor.In like manner, cylinder 18 drives rocker piece 14 slide downward, gas
Air inlet 10 and venthole 11 are turned on by passage 17, the combustion gas of CNG fuel gas bottle pass sequentially through inlet suction port 5, air inlet 10, gas lead to
Road 17, venthole 11 and air outlet adapter 6, enter carburetor, electromotor with combustion gas as fuel work, now fuel feed hole 8 and fuel-displaced
Not forming path between hole 9, fuel oil can not enter carburetor.And when air inlet 10 and venthole 11 turn on, rocker piece 14
The conical surface 12 oil inlet pipe and flowline are sealed, oil therein does not flows into storage tank 7；In like manner, fuel feed hole 8 and oil outlet 9 are led
Time logical, combustion gas also will not enter storage tank 7.It is tighter that the conical surface 12 of rocker piece 14 makes rocker piece 14 contact when coordinating with storage tank 7
Close, further increase the sealing of device.It addition, because the oil gentle passage of passage 16 17 lays respectively at rocker piece 14 two ends,
It is separated between the two, also will not mixed combustion even if having a small amount of fuel oil or combustion gas to flow out.
The beneficial effect of the present embodiment: use the oil gentle passage of passage 16 17 to make fuel feeding route and supply route separately, keep away
Exempt from the contact of fuel oil and combustion gas, really ensure that and the most all only have a kind of fuel to enter carburetor by switch base 1, from
Fundamentally solve fuel oil and the problem of combustion gas mixing burning, it is ensured that engine work, effectively protect electromotor；With
Time, it is also possible to according to the different characteristics that oil is gentle, respectively with the different gentle passages 17 of sealing means Seal Oil passage 16；Separately
Outward, the structure of the present embodiment is easy to processing, and convenient management is arranged.
Embodiment 2
The present embodiment overall structure is as it is shown in figure 5, include switch base 1, cover plate 2, rocker piece 14, slide bar 15, connecting rod 19, disk body 20
With handle 21, as shown in Figure 6 and Figure 7, switch base 1 profile is circular to the structure of switch base 1, fuel inlet fitting 3 and delivery connection 4 phase
To on the sidewall being arranged on switch base 1, inlet suction port 5 is positioned at the underface of fuel inlet fitting 3, and air outlet adapter 6 is positioned at air outlet adapter 6
Being positioned at the underface of delivery connection 4, switch base 1 is provided with storage tank 7, 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 fuel inlet fitting 3, and oil outlet 9 connects with delivery connection 4, air inlet 10 and air inlet connecting
5 connections, venthole 11 connects with air outlet adapter 6, and the two ends of storage tank 7 are provided with the conical surface 12, and the conical surface 12 opening outwardly, makes to house
Groove 7 is middle little, and two ends are big, and the conical surface 12 can also be replaced by inclined-plane, and the present embodiment illustrates with the conical surface 12, fuel feed hole 8 and oil outlet 9
Relatively, and being arranged on the conical surface 12 of storage tank 7 upper end, air inlet 10 is relative with venthole 11, and is arranged on storage tank 7 lower end
The conical surface 12 on.As shown in Figure 8, rocker piece 14 main body is cylinder to the structure of rocker piece 14, middle and storage tank 7 column part
Size is the same, and rocker piece 14 two ends are the taper seat 12 that tapering is consistent with storage tank 7 two ends tapering, and one end taper seat 12 has
Oil passage 16, other end taper seat 12 has gas passage 17, and the distance of the oil gentle passage of passage 16 17 more than oil outlet 9 and goes out
The distance of pore 11, it is one-body molded that rocker piece 14 is provided with slide bar 15, slide bar 15 and rocker piece 14 near oil passage 16 side.Slide bar
15 and rocker piece 14 be slidably arranged in storage tank 7, slide bar 15 is rotationally connected with connecting rod 19, and connecting rod 19 and disk body 20 edge rotate
Connecting, disk body 20 center rotating is connected on car body, and handle 21 is fixed on disk body 20, and switch base 1 is provided with restriction disk body 20
The fixture of motion.Two cover plates 2 is separately fixed on two end faces of switch base 1, is sealed by storage tank 7, cover plate 2 and switch
The hole being provided with on sealing gasket 23, slide bar 15 and cover plate 2 between seat 1 end face is slidably connected, and arranges between the hole on slide bar 15 and cover plate 2
Sealing ring 24.
The principle of the present embodiment is with the difference of embodiment 1: driving disk body 20 to rotate by handle 21, disk body 20 passes through
Connecting rod 19 drives slide bar 15 to move, thus arrives the effect making rocker piece 14 slide at storage tank 7, and rocker piece 14 slides into one end
By oil passage 16, oil inlet pipe and flowline are turned on during the limit, by gas passage 17 when rocker piece 14 slides into the other end limit
Air inlet pipe is turned on escape pipe.Meanwhile, because the dead point characteristic of crank block, make rocker piece 14 when turning on arbitrary pipeline all
By dieback, add reliability during work.It addition, the structure of storage tank 7 and rocker piece 14 is more convenient for installing in the present embodiment.
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 (6)
1. a floating type oil-gas change-over switch, including switch base and cover plate, the sidewall of described switch base is arranged fuel inlet fitting,
Delivery connection, inlet suction port and air outlet adapter, switch base is provided with storage tank, described storage tank be provided with fuel feed hole, oil outlet,
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 with
The endoporus connection of inlet suction port, venthole connects with the endoporus of air outlet adapter, it is characterised in that the two ends of described storage tank are provided with
The conical surface, described fuel feed hole and oil outlet are oppositely arranged on the conical surface of storage tank one end, and described air inlet is relative with venthole to be set
Put on the conical surface of the storage tank other end, also include driving means and the rocker piece matched with storage tank, on described rocker piece
Being provided with slide bar, described slide bar connects on the drive means, and described rocker piece is slidably arranged in storage tank, and rocker piece two ends are provided with
The conehead agreed with mutually with the conical surface of storage tank, the conehead of rocker piece one end is provided with oil passage, on the conehead of the rocker piece other end
Being provided with gas passage, described cover plate is fixed on the end face of switch base, is sealed by the notch of storage tank.
Floating type oil-gas change-over switch the most according to claim 1, it is characterised in that described driving means be cylinder or
Hydraulic cylinder.
Floating type oil-gas change-over switch the most according to claim 1, it is characterised in that described driving means include connecting rod,
Disk body and handle, described connecting rod one end is rotationally connected with slide bar, and the other end is rotationally connected with disk body, and described handle is fixed on disk body
On.
Floating type oil-gas change-over switch the most according to claim 3, it is characterised in that described switch base is provided with restriction handle
Chirokinesthetic fixture.
5. according to the floating type oil-gas change-over switch described in Claims 2 or 3, it is characterised in that: described switch base is circular, institute
State fuel inlet fitting, delivery connection, inlet suction port and air outlet adapter to be uniformly distributed on the circumference of switch base.
6. according to the floating type oil-gas change-over switch described in Claims 2 or 3, it is characterised in that: the end face of described storage tank and
Sealing gasket it is provided with between cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760006.8A CN106321258A (en) | 2016-08-30 | 2016-08-30 | Floating type oil-gas change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760006.8A CN106321258A (en) | 2016-08-30 | 2016-08-30 | Floating type oil-gas change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106321258A true CN106321258A (en) | 2017-01-11 |
Family
ID=57789168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610760006.8A Pending CN106321258A (en) | 2016-08-30 | 2016-08-30 | Floating type oil-gas change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321258A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915169A (en) * | 2010-07-21 | 2010-12-15 | 力帆实业(集团)股份有限公司 | Oil-gas change-over switch for dual-fuel gasoline engine |
| CN204647435U (en) * | 2015-05-30 | 2015-09-16 | 夏品清 | Oil gas moment COMM communication |
| CN104930222A (en) * | 2015-06-12 | 2015-09-23 | 张元晖 | Oil-gas linkage switching device and working mode thereof |
-
2016
- 2016-08-30 CN CN201610760006.8A patent/CN106321258A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915169A (en) * | 2010-07-21 | 2010-12-15 | 力帆实业(集团)股份有限公司 | Oil-gas change-over switch for dual-fuel gasoline engine |
| CN204647435U (en) * | 2015-05-30 | 2015-09-16 | 夏品清 | Oil gas moment COMM communication |
| CN104930222A (en) * | 2015-06-12 | 2015-09-23 | 张元晖 | Oil-gas linkage switching device and working mode thereof |
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Application publication date: 20170111 |