CN112459909A - Fuel switching device of generator - Google Patents

Fuel switching device of generator Download PDF

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Publication number
CN112459909A
CN112459909A CN202011432449.7A CN202011432449A CN112459909A CN 112459909 A CN112459909 A CN 112459909A CN 202011432449 A CN202011432449 A CN 202011432449A CN 112459909 A CN112459909 A CN 112459909A
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CN
China
Prior art keywords
microswitch
driven gear
fuel
driving gear
switch
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
Application number
CN202011432449.7A
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Chinese (zh)
Inventor
吴世舟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Erma Mechnical & Electrical Co ltd
Original Assignee
Suzhou Erma Mechnical & Electrical Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Erma Mechnical & Electrical Co ltd filed Critical Suzhou Erma Mechnical & Electrical Co ltd
Priority to CN202011432449.7A priority Critical patent/CN112459909A/en
Publication of CN112459909A publication Critical patent/CN112459909A/en
Pending legal-status Critical Current

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
    • F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

The invention discloses a fuel switching device of a generator, and relates to the field of dual-fuel generators. The key points of the technical scheme comprise: a first fuel switch including a first rotating shaft; a second fuel switch including a second shaft; a first microswitch; a second microswitch; the switch switching assembly comprises a first driven gear, a second driven gear, a driving gear and a knob, wherein the first driven gear is in circumferential linkage with the first rotating shaft, the second driven gear is in circumferential linkage with the second rotating shaft, and the knob is in circumferential linkage with the driving gear; the driving gear is provided with an avoiding part, so that the driving gear can only drive the first driven gear to rotate when rotating anticlockwise from an initial position, and can only drive the second driven gear to rotate when rotating clockwise from the initial position; the driving gear is provided with a first contact and a second contact respectively. The fuel switching device adopts a double-switch single-knob structure to realize one-key fuel switching, is simple and convenient to operate, and can improve user experience.

Description

Fuel switching device of generator
Technical Field
The invention relates to the field of dual-fuel generators, in particular to a fuel switching device of a generator.
Background
When the existing dual-fuel machine of the generator uses fuel switching, the following two schemes are mainly used for realizing the following steps: 1. the two fuels respectively use two independent switches and are respectively controlled by two independent knobs; 2. two fuels share a dual channel switch and are then controlled by a knob.
However, the two schemes have some disadvantages in practical application, wherein the engine needs to be shut down when the two fuels are switched in the first scheme, and the use is troublesome; and the double-channel switch in the second scheme easily causes internal leakage, leads to two kinds of fuel to mix, influences engine start and operation, and the knob torsion of double-channel switch is big simultaneously, and the operation is inconvenient, and user experience is relatively poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a generator fuel switching device which adopts a double-switch single-knob structure to realize one-key fuel switching, is simple and convenient to operate and can improve the user experience.
In order to achieve the purpose, the invention provides the following technical scheme:
a generator fuel switching apparatus comprising:
the first fuel switch comprises a first rotating shaft for controlling the first fuel switch to be opened or closed;
the second fuel switch comprises a second rotating shaft for controlling the second fuel switch to be opened or closed;
a first microswitch for controlling the ignition coil;
the second microswitch is used for controlling the carburetor solenoid valve;
the switch switching assembly comprises a first driven gear, a second driven gear, a driving gear and a knob, wherein the first driven gear is in circumferential linkage with the first rotating shaft, the second driven gear is in circumferential linkage with the second rotating shaft, the driving gear is arranged between the first driven gear and the second driven gear, and the knob is in circumferential linkage with the driving gear;
the driving gear is provided with an avoiding part, so that the driving gear can only drive the first driven gear to rotate when rotating anticlockwise from an initial position, and can only drive the second driven gear to rotate when rotating clockwise from the initial position;
and the driving gear is respectively provided with a first contact matched with the first microswitch and a second contact matched with the second microswitch.
Furthermore, the first driven gear is sleeved on the first rotating shaft, and a first limiting through hole matched with the first rotating shaft is formed in the middle of the first driven gear.
Furthermore, the second driven gear is sleeved on the second rotating shaft, and a second limiting through hole matched with the second rotating shaft is formed in the middle of the second driven gear.
Furthermore, a fixing screw connected with the driving gear penetrates through the knob.
Furthermore, the end face of the driving gear is provided with an axial extension section, and the end face of the knob is provided with a limiting clamping groove matched with the axial extension section.
Furthermore, the end face of the driving gear is respectively provided with a first deflector rod and a second deflector rod, the first contact is formed at the end part of the first deflector rod, and the second contact is formed at the end part of the second deflector rod.
Furthermore, the driving gear end face is provided with a shifting block, and the first contact and the second contact are respectively formed at two vertex angle ends of the shifting block.
Further, the device also comprises a fixed box for bearing the first fuel switch, the second fuel switch, the first microswitch, the second microswitch and the switch switching component; the first microswitch and/or the second microswitch are/is connected with the fixed box in a clamping and embedding manner.
Furthermore, a positioning column penetrating through the first microswitch or the second microswitch and limiting plates respectively positioned at two sides of the first microswitch or the second microswitch are arranged on the inner side wall of the fixing box.
Furthermore, at least two positioning columns penetrate through the first microswitch or the second microswitch.
In conclusion, the invention has the following beneficial effects:
1. the device can realize one-key fuel switching by only adding a plurality of parts on the basis of the existing generator fuel switch;
2. the rotary resistance of the knob is small, the operation is convenient and fast, and the user experience is good;
3. the service life of the device is prolonged, and the faults of the device are reduced.
Drawings
FIG. 1 is an exploded schematic view of a fuel switching device of a generator in an embodiment;
FIG. 2 is a schematic structural diagram of a driving plate in the embodiment;
FIG. 3 is a schematic view of the connection of the second microswitch to the carburetor solenoid valve in the embodiment;
FIG. 4 is a schematic structural diagram of a case, a first microswitch and a second microswitch in an embodiment;
FIG. 5 is an overall schematic view of a fuel switching device of the generator in a shutdown state according to an embodiment;
FIG. 6 is an internal front view of the fuel switching device of the generator in an off state according to an embodiment;
FIG. 7 is a schematic diagram of the fuel switching device of the generator in an embodiment in a reverse internal view in a shutdown state;
FIG. 8 is an overall schematic view of the fuel switching apparatus of the generator in the first fuel switch open state in the embodiment;
FIG. 9 is an internal front view of the fuel switching device of the generator in an open state of the first fuel switch in accordance with the embodiment;
FIG. 10 is an internal reverse schematic view of a fuel switching device of an electric generator in an embodiment in an open state of a first fuel switch;
FIG. 11 is a schematic overall view of the fuel switching device of the generator in the second fuel switch open state in the embodiment;
FIG. 12 is an internal front view of the fuel switching device of the generator in a second fuel switch open state according to an embodiment;
fig. 13 is an internal reverse schematic view of the fuel switching device of the generator in the open state of the second fuel switch in the embodiment.
In the figure: 11. a box body; 111. a positioning column; 112. a limiting plate; 113. opening the gap; 12. a cover plate; 2. a first fuel switch; 21. a first rotating shaft; 22. a first driven gear; 3. a second fuel switch; 31. a second rotating shaft; 32. a second driven gear; 4. a first microswitch; 5. a second microswitch; 51. positioning holes; 6. a driving gear; 61. an avoidance part; 63. a first shift lever; 64. a second deflector rod; 7. a knob; 71. a set screw; 81. a carburetor solenoid valve; 82. a carburetor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example (b):
a fuel switching device of a generator, referring to fig. 1, comprises a first fuel switch 2, a second fuel switch 3, a first microswitch 4, a second microswitch 5, a switch switching assembly and a fixing box for bearing the above components; the first fuel switch 2 comprises a first rotating shaft 21 for controlling the first fuel switch to be opened or closed, namely, whether a feeding pipe and a discharging pipe on the first fuel switch 2 are communicated or not can be controlled by rotating the first rotating shaft 21; similarly, the second fuel switch 3 comprises a second rotating shaft 31 for controlling the second fuel switch to be opened or closed, and whether the feeding pipe and the discharging pipe on the second fuel switch 3 are communicated or not can be controlled by rotating the second rotating shaft 31; the device of the embodiment is used in a dual-fuel generator, the combination of dual fuels includes natural gas and gasoline, or liquefied gas and gasoline, then the two fuels use separate switches, namely the first fuel switch 2 and the second fuel switch 3 in the embodiment, specifically, the fuel corresponding to the first fuel switch 2 is oil, and the fuel corresponding to the second fuel switch 3 is gas, so that there is no problem of fuel leakage and mixing.
Referring to fig. 1, the switch switching assembly includes a first driven gear 22 circumferentially linked with the first rotating shaft 21, a second driven gear 32 circumferentially linked with the second rotating shaft 31, a driving gear 6 disposed between the first driven gear 22 and the second driven gear 32, and a knob 7 circumferentially linked with the driving gear 6. Specifically, in this embodiment, the first driven gear 22 is sleeved on the first rotating shaft 21, and a first limiting through hole matched with the first rotating shaft 21 is formed in the middle of the first driven gear 22; the second driven gear 32 is sleeved on the second rotating shaft 31, and a second limiting through hole matched with the second rotating shaft 31 is formed in the middle of the second driven gear 32; in order to realize the circumferential linkage and guarantee stability, first spacing through-hole and second spacing through-hole are the non-circular hole. A fixing screw 71 connected with the driving gear 6 penetrates through the knob 7, an axial extension section is arranged on the end surface of the driving gear 6, and a limiting clamping groove (not shown in the drawing) matched with the axial extension section is arranged on the end surface of the knob 7; the knob 7 is connected with the driving gear 6 through a fixing screw 71, and meanwhile, the connection stability is improved and the circumferential linkage is ensured through the matching of the axial extension section and the limiting clamping groove, and particularly, the shape of the inner wall of the limiting clamping groove is also non-circular.
Referring to fig. 1, the driving gear 6 is provided with an escape portion 61, so that the driving gear 6 can only drive the first driven gear 22 to rotate when rotating counterclockwise from the initial position, and can only drive the second driven gear 32 to rotate when rotating clockwise from the initial position; the driving gear 6 has no teeth at the position of the escape portion 61, so that the driving gear 6 can drive the first driven gear 22 to rotate but cannot drive the second driven gear 32 to rotate when rotating counterclockwise from the initial position, and similarly, the driving gear 6 can drive the second driven gear 32 to rotate but cannot drive the first driven gear 22 to rotate when rotating clockwise from the initial position; the driving gear 6 is connected with a knob 7, so that the first fuel switch 2 and the second fuel switch 3 can be controlled through the knob 7 in the embodiment, the structure is simple, and the operation is convenient; in this embodiment, only a part of the teeth of the first driven gear 22 and the second driven gear 32 are engaged, so that the shapes of the first driven gear 22, the second driven gear 32 and the driving gear 6 can be adjusted without limitation under the condition that the transmission function is ensured.
Referring to fig. 1 to 3, in the present embodiment, the first microswitch 4 is used for controlling the ignition coil, the second microswitch 5 is used for controlling the carburetor solenoid valve 81, and the carburetor 82 is controlled by the carburetor solenoid valve 81; meanwhile, a first contact matched with the first microswitch 4 and a second contact matched with the second microswitch 5 are respectively arranged on the driving gear 6; specifically, when the first contact is in contact with the first microswitch 4, the ignition coil is grounded, the engine is in a flameout state, and when the first contact is not in contact with the first microswitch 4, the ignition coil is not grounded, and ignition can be performed; when the second contact is in contact with the second microswitch 5, the second microswitch 5 is conducted to electrify the carburetor solenoid valve 81, the needle valve of the carburetor solenoid valve 81 is returned to open the fuel inlet of the carburetor 82, when the second contact is not in contact with the second microswitch 5, the second microswitch 5 is disconnected to deenergize the carburetor solenoid valve 81, and the needle valve of the carburetor solenoid valve 81 closes the fuel inlet of the carburetor 82.
Referring to fig. 2, in the present embodiment, the end surface of the driving gear 6 is respectively provided with a first shift lever 63 and a second shift lever 64, a first contact is formed at the end of the first shift lever 63, and a second contact is formed at the end of the second shift lever 64; in other alternative embodiments, a shifting block may be disposed on the end surface of the driving gear 6, and the first contact and the second contact are respectively formed at two vertex ends of the shifting block.
Referring to fig. 1 and 4, the first microswitch 4 and/or the second microswitch 5 are/is connected with the fixing box in a clamping and embedding manner, in the embodiment, the first microswitch 4 and the second microswitch 5 are connected with the fixing box in a clamping and embedding manner, and the connection structures of the first microswitch 4 and the fixing box are the same; taking the second microswitch 5 as an example, the fixing box comprises a box body 11 and a cover plate 12, wherein the inner side wall of the box body 11 is provided with positioning columns 111 penetrating through the second microswitch 5 and limiting plates 112 respectively positioned at two sides of the second microswitch 5, in the embodiment, the second microswitch 5 is provided with two positioning columns 111, the second microswitch 5 is provided with positioning holes 51 matched with the positioning columns 111, and meanwhile, the side wall of the box body 11 is provided with a notch 113 for the second microswitch 5 to penetrate through; the second microswitch 5 is arranged between the two limiting plates 112, the positioning column 111 is embedded into the positioning hole 51, the clamping and embedding connection of the second microswitch 5 can be realized, and then the cover plate 12 is connected with the box body 11, so that the second microswitch 5 can be prevented from being separated.
Referring to fig. 1, in the present embodiment, a first fuel switch 2 and a second fuel switch 3 are mounted on the outer side wall of a box body 11 by screws, and a first rotating shaft 21 and a second rotating shaft 31 extend into the box body 11; first driven gear 22, second driven gear 32 and driving gear 6 all install in box body 11, and the axial extension at driving gear 6 both ends passes box body 11 lateral wall and apron 12 lateral wall respectively, and knob 7 is installed in the fixed box outside.
Referring to fig. 5 to 7, the knob 7 in this embodiment includes three adjustment gears, which are respectively directed to the left, middle and right sides; when the knob 7 points to the middle, the first fuel switch 2 and the second fuel switch 3 are both closed, the driving gear 6 is at the initial position, the first shift lever 63 is in contact with the first microswitch 4, the second shift lever 64 is not in contact with the second microswitch 5, the engine is flamed out at the moment, and the engine is in a flameout and stop state when the knob 7 points to the middle position.
Referring to fig. 3 and 8 to 10, when the knob 7 is rotated counterclockwise and points to the left, the driving gear 6 drives the first driven gear 22 to rotate, so that the first fuel switch 2 is turned on, the second driven gear 32 is not rotated, and the second fuel switch 3 is still turned off; when the first toggle lever 63 rotates to be not in contact with the first microswitch 4, the engine can be ignited and started, the second toggle lever 64 is in contact with the second microswitch 5, the carburetor solenoid valve 81 is electrified, the fuel inlet of the carburetor 82 is opened, the oil path is conducted, and the knob 7 points to the left position, the first fuel switch 2 is opened, the second fuel switch 3 is closed, and the fuel uses gasoline.
Referring to fig. 3 and 11 to 13, the knob 7 is rotated clockwise from pointing to the left to pointing to the right, in the process, the state of the first microswitch 4 is changed instantaneously, and due to inertia, the engine can continue to operate without flameout and shutdown; when the knob 7 rotates clockwise, the driving gear 6 drives the first driven gear 22 to rotate and reset, so that the first fuel switch 2 is closed, and then drives the second driven gear 32 to rotate, so that the second fuel switch 3 is opened; the second toggle lever 64 is not in contact with the second microswitch 5, the carburetor solenoid valve 81 is powered off, the fuel inlet of the carburetor 82 is closed, the oil and gas mixing is avoided, when the knob 7 points to the right side, the first fuel switch 2 is closed, the second fuel switch 3 is opened, and the fuel is switched from the gasoline to the natural gas or the liquefied gas.

Claims (10)

1. A generator fuel switching apparatus comprising:
the first fuel switch comprises a first rotating shaft for controlling the first fuel switch to be opened or closed;
the second fuel switch comprises a second rotating shaft for controlling the second fuel switch to be opened or closed;
a first microswitch for controlling the ignition coil;
the second microswitch is used for controlling the carburetor solenoid valve;
the method is characterized in that:
the switch switching assembly comprises a first driven gear, a second driven gear, a driving gear and a knob, wherein the first driven gear is in circumferential linkage with the first rotating shaft, the second driven gear is in circumferential linkage with the second rotating shaft, the driving gear is arranged between the first driven gear and the second driven gear, and the knob is in circumferential linkage with the driving gear;
the driving gear is provided with an avoiding part, so that the driving gear can only drive the first driven gear to rotate when rotating anticlockwise from an initial position, and can only drive the second driven gear to rotate when rotating clockwise from the initial position;
and the driving gear is respectively provided with a first contact matched with the first microswitch and a second contact matched with the second microswitch.
2. The generator fuel switching apparatus of claim 1, wherein: the first driven gear is sleeved on the first rotating shaft, and a first limiting through hole matched with the first rotating shaft is formed in the middle of the first driven gear.
3. The generator fuel switching apparatus of claim 1, wherein: the second driven gear is sleeved on the second rotating shaft, and a second limiting through hole matched with the second rotating shaft is formed in the middle of the second driven gear.
4. The generator fuel switching apparatus of claim 1, wherein: and a fixing screw connected with the driving gear penetrates through the knob.
5. The generator fuel switching apparatus of claim 4, wherein: the end face of the driving gear is provided with an axial extension section, and the end face of the knob is provided with a limiting clamping groove matched with the axial extension section.
6. The generator fuel switching apparatus of any one of claims 1-5, wherein: the end face of the driving gear is provided with a first deflector rod and a second deflector rod respectively, the first contact is formed at the end part of the first deflector rod, and the second contact is formed at the end part of the second deflector rod.
7. The generator fuel switching apparatus of any one of claims 1-5, wherein: the end face of the driving gear is provided with a shifting block, and the first contact and the second contact are respectively formed at two vertex angle ends of the shifting block.
8. The generator fuel switching apparatus of any one of claims 1-5, wherein: the device also comprises a fixed box for bearing the first fuel switch, the second fuel switch, the first microswitch, the second microswitch and the switch switching component; the first microswitch and/or the second microswitch are/is connected with the fixed box in a clamping and embedding manner.
9. The generator fuel switching apparatus of claim 8, wherein: and the inner side wall of the fixed box is provided with a positioning column which penetrates through the first microswitch or the second microswitch and limiting plates which are respectively positioned at two sides of the first microswitch or the second microswitch.
10. The generator fuel switching apparatus of claim 9, wherein: the first micro switch or the second micro switch is at least provided with two positioning columns in a penetrating mode.
CN202011432449.7A 2020-12-10 2020-12-10 Fuel switching device of generator Pending CN112459909A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011432449.7A CN112459909A (en) 2020-12-10 2020-12-10 Fuel switching device of generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011432449.7A CN112459909A (en) 2020-12-10 2020-12-10 Fuel switching device of generator

Publications (1)

Publication Number Publication Date
CN112459909A true CN112459909A (en) 2021-03-09

Family

ID=74801143

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011432449.7A Pending CN112459909A (en) 2020-12-10 2020-12-10 Fuel switching device of generator

Country Status (1)

Country Link
CN (1) CN112459909A (en)

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