CN204851479U - Engine fuel blender - Google Patents

Engine fuel blender Download PDF

Info

Publication number
CN204851479U
CN204851479U CN201520616981.2U CN201520616981U CN204851479U CN 204851479 U CN204851479 U CN 204851479U CN 201520616981 U CN201520616981 U CN 201520616981U CN 204851479 U CN204851479 U CN 204851479U
Authority
CN
China
Prior art keywords
chamber
gas
air door
idling
underpressure chamber
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.)
Active
Application number
CN201520616981.2U
Other languages
Chinese (zh)
Inventor
胡济荣
其他发明人请求不公开姓名
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.)
Xingyue Group Co Ltd
Original Assignee
Xingyue Group 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 Xingyue Group Co Ltd filed Critical Xingyue Group Co Ltd
Priority to CN201520616981.2U priority Critical patent/CN204851479U/en
Application granted granted Critical
Publication of CN204851479U publication Critical patent/CN204851479U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

Landscapes

  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

The utility model discloses an engine fuel blender, gas intake duct (40) set up and link to each other in the below of venturi tube intake duct (b) and with first decompression chamber (f), and first decompression chamber (f) links to each other with second decompression chamber (g), main gas passageway includes interconnect slope route (34) and perpendicular route (35), and slope route (34) links to each other with second decompression chamber (g), and perpendicular route (35) link to each other with the air throttle subassembly, idling permanent channel one end links to each other with the air throttle subassembly, and the other end links to each other with second decompression chamber (g), idling speed adjusting festival passageway and including adjustable idle metering jet (29), horizontal route (32), ascending route (33), idle speed adjusting festival screw (7), horizontal route (32) link to each other with the air throttle subassembly, and rise route (33) are connected inclining between route (34) and horizontal route (32), idle the valve point of speed adjusting festival screw (7) and adjust gas flow dimension. After adopting this structure, have that simple structure is reasonable, job stabilization, advantages such as the startability is good, the idling is adjustable, adaptable different regions and temperature requirement.

Description

Engine gas mixer
Technical field
The invention relates to a kind of fuel gas mixer, particularly a kind of fuel gas mixer of small handheld garden instrument propane motor.
Background technique
Garden instrument has broad mass market, and market demand is huge, and increasing manufacturer focuses on garden instrument.Along with the reinforcement to environmental protection consciousness, new Abgasgesetz is constantly released, and adopts clean environment firendly, and economical and practical fuel replaces gasoline to arise at the historic moment as the hand-held garden instrument product of fuel.Propane motor has smooth running compared with petrol engine, and noise is little, long service life, fuel economy are good, safe and reliable, low-temperature startup performance is good, environmental protection, convenient and practical, widely used unique advantage.Garden instrument product can be widely used in, and with the fuel economy of its uniqueness, reliability, good low-temperature startup performance, the feature of environmental protection, portability, huge impact is defined to petrol engine garden instrument market, and has the original gasoline garden instrument product trend of replacement.
Existing automobile-used mixer structure is complicated, bulky, be difficult to adapt to handheld tool product to the requirement of weight and volume, existing mixer adopts the principle of petrol engine carburetor, accelerator open degree and spindle Lift control fuel flow rate is controlled by rotary valve, because main jet pipe size is very large, the cam design difficulty controlling spindle lifting is large, causes the flow control of idling very difficult, adjustable narrow range, manufacturing efficiency is low, and large batch of production difficulty, is difficult to ensure conformity.The startup fluctuation of speed of product is large, is difficult to control in the speed range of standard-required.Be badly in need of a kind of structure simple, produce efficient, the fuel mixer of the small hand-held garden instrument motor easily started.For the problems referred to above, many manufacturers and knowledgeable people constantly develop and study, but not yet have comparatively ideal product to emerge so far.
Summary of the invention
For overcome existing small hand-held garden instrument motor fuel gas mixer existing for the problems referred to above, the object of the invention is a kind of mixer of design, specially designed gas channels, complete after fuel gas and air mix by design proportion and provide combination gas for motor, improve motor and use motor or long-time startability of leaving unused when later reusing for the first time, achieve the adjustable function of mixture strength simultaneously, to adapt to the usage requirement under different geographical, temperature conditions, and without the need to changing mixer.
The invention solves the technological scheme that its technical problem adopts, and it comprises body, Venturi tube intake duct, the first underpressure chamber, the second underpressure chamber, air throttle component, gas inlet passage, main gas passage, idling stationary conduit, idle passage etc.Described gas inlet passage is arranged on the below of Venturi tube intake duct and is connected with the first underpressure chamber by rubber valve, and the first underpressure chamber is connected with the second underpressure chamber by butterfly gate; Described main gas passage comprises and is interconnected inclined path and vertical passage, and the import of inclined path is connected with the pressure chamber of the second underpressure chamber by main jet interface, with air throttle component inlet end is connected after arranging main jet in vertical passage; Described idling stationary conduit comprises fixing idling path, fixing idling interface, and fixing idling path one end is connected with air throttle component outlet side, and the other end is connected with the pressure chamber of the second underpressure chamber by fixing idling interface; Described idle passage comprises adjustable idle metering jet, horizontal passageway, rising path, idle adjusting screw, horizontal passageway is connected with air throttle component outlet side by adjustable idle metering jet, rising path is connected between inclined path and horizontal passageway, and the valve point of idle adjusting screw coordinates adjustment of combustion gas flow size with rising path.
The first described underpressure chamber is separated into inner cavity chamber and outer chamber by sealing film, spring seat is fixed on sealing film, spring is arranged between the cover cap of outer chamber and spring seat, the body of inner cavity chamber is hinged with rocking arm by pitman arm shaft, the spool of rubber valve is arranged on the side of rocking arm; the cylindrical pin of rocking arm opposite side is connected with the rocking arm pin-and-hole on spring seat, and the valve seat of rubber valve is arranged on the first underpressure chamber and coordinates with between gas inlet passage and with the spool of rubber valve.
The further scheme of the invention, the second described underpressure chamber is provided with sealing film, sealing film is separated into normal pressure room and pressure chamber the second underpressure chamber, the body of pressure chamber has rocker lever by hinge; one end of rocker lever is connected with the spool of butterfly gate; be provided with spring between the other end of rocker lever and body, the valve seat of butterfly gate to be arranged on the gas-entered passageway between the first underpressure chamber with the second underpressure chamber and to coordinate with the spool of butterfly gate.
The further scheme of the invention, the second described underpressure chamber is provided with easy starting drive, this device comprises button, Returnning spring, jacking block, and jacking block is fixed on sealing film, uses retainer ring spacing after being arranged on the button hole of outer covering from outside to inside after button cover upper reset spring.
The further scheme of the invention, described air throttle component comprises air door plate, idling throttle opening adjusting screw, air door bracing wire steel wire head fastener, airdoor control plate, air door Returnning spring, air door maximum opening limiting stopper, air door fixed seat for cabling, air door plate is installed in rotation on Venturi tube intake duct, and air door Returnning spring is arranged in the rotating shaft of air door plate by airdoor control plate.
The further scheme of the invention, the import of described gas inlet passage is provided with gas means for diverging and fuel gas pipe successively, and fuel gas pipe is connected with gas inlet passage by gas means for diverging.
The further scheme of the invention, described air door plate is provided with air door plate aperture, air door plate aperture when air door plate is closed and adjustable idle metering jet just right.
Adopt after said structure, have the following advantages compared with the prior art or effect: one is that compact structure, volume are little, lightweight, is specially adapted to hand-held tool, such as microtilling machine, ice auger etc., and has good low-temperature operability.Two is that high-pressure gas is input in the intake duct of motor through twice step-down after mixing with air according to setting ratio, idle passage can be the compensated part combustion gas of idling stationary conduit and air when engine idle work, rapid adjustment and gas supply amount when accurately controlling engine idle, realize idling performance optimization, when high engine speeds works, with idling stationary conduit together with main gas passage for combustion gas supplied by motor.Three is control rubber valve by the spring of the first underpressure chamber and rocking arm and intraventricular pressure equilibrium of forces, controls the pressure by the first decompression indoor fuel gas with this.Four is the butterfly gates controlling between the first underpressure chamber and the second underpressure chamber in gas circuit by the pressure reduction of external atmosphere pressure and engine suction negative pressure, control with this gas pressure and the tolerance that enter chamber, be embodied as the combustion gas that engine operation provides appropriate, stable.Five is that air throttle component drives air door plate to rotate adjusting engine air input by air door bracing wire.Six be easy starting drive can cold start before this device of Manual press, butterfly gate in positive opening second underpressure chamber, in engine inlets, put into a small amount of combustion gas, thus cold is started be more prone to, can still keep good startability in low-temp low-pressure etc. is compared with rugged environment.
Accompanying drawing explanation
Fig. 1 is the invention structural upright structural representation.
Fig. 2 is the perspective view of the invention other direction.
Fig. 3 is the invention first underpressure chamber internal structure schematic diagram.
Fig. 4 is the invention second underpressure chamber internal structure schematic diagram.
Fig. 5 is the main gas passage of the invention and idle cooperating structure cross-sectional schematic.
Fig. 6 is the invention air flue perspective view.
Fig. 7 is the invention gas inlet passage structure cross-sectional schematic.
Fig. 8 is the invention first underpressure chamber rocker structure schematic diagram.
Fig. 9 is the invention second underpressure chamber rocker lever and butterfly gate structural representation.
Wherein a operation and regulatory function district, b Venturi tube intake duct, c engine mounting face, d air filter attachment face, e fuel gas pipe, f first underpressure chamber, g second underpressure chamber, 1 idling throttle opening adjusting screw, 2 air door bracing wire steel wire head fasteners, 3 airdoor control plates, 4 air door Returnning springs, 5 air door maximum opening limiting stoppers, 6 air door fixed seat for cablings, 7 idle adjusting screws, 8 air door plates, 8-1 air door plate aperture, 9 buttons, 10 Returnning springs, 11 outer coverings, 12 sealing films, 13 jacking blocks, 14 modulating valve, 15 cover caps, 16 springs, 17 sealing films, 18 spring seats, 19 valve seats, 20 rocking arms, 20-1 cylindrical pin, 20-2 spool, 21 pitman arm shafts, 22 rocker levers, 22-1 hemisphere salient point, 23 main jet interfaces, 24 springs, 25 bearing pins, 26 spools, 27 fixing idling interfaces, 28 bodies, 29 adjustable idle metering jets, 30 fixing idling paths, 31 springs, 32 horizontal passageway, 33 rising paths, 34 inclined path, 35 vertical passage, 36 main jets, 37 seal rings, 38 gas means for diverging, 39 easy starting drives, 40 gas inlet passage, 41 valve seats.
Embodiment
Shown in Fig. 1 to Fig. 9, for the specific embodiments of a kind of engine gas mixer of the invention, it comprises body 28, Venturi tube intake duct b, first underpressure chamber f, second underpressure chamber g, air throttle component, gas inlet passage 40, main gas passage, idling stationary conduit, idle passage, air throttle component is arranged on operation and regulatory function district a, the air filter attachment face d of Venturi tube intake duct b is connected with air filter, the engine mounting face c of Venturi tube intake duct b is connected with the intake duct of motor, described gas inlet passage 40 is arranged on the below of Venturi tube intake duct b and is connected with the first underpressure chamber f by rubber valve, first underpressure chamber f is connected with the second underpressure chamber g by butterfly gate 26, high-pressure gas is through the first underpressure chamber f and the second underpressure chamber g twice step-down and enter into the intake duct of motor after mixing with air according to the ratio of setting after coupling, described main gas passage comprises and is interconnected inclined path 34 and vertical passage 35, the import of inclined path 34 is connected with the pressure chamber of the second underpressure chamber g by main jet interface 23, be connected with air throttle component inlet end after main jet 36 is set in vertical passage 35, main jet interface 23 can debug time regulating gas size, main jet 36 precisely can control the flow of combustion gas, described idling stationary conduit comprises fixing idling path 30, fixing idling interface 27, fixing idling path 30 one end is connected with air throttle component outlet side, the other end is connected with the pressure chamber of the second underpressure chamber g by fixing idling interface 27, and fixing idling interface 27 can regulate the combustion gas size of fixing idling when debugging, described idle passage comprises adjustable idle metering jet 29, horizontal passageway 32, rising path 33, idle adjusting screw 7, horizontal passageway 32 is connected with air throttle component outlet side by adjustable idle metering jet 29, rising path 33 is connected between inclined path 34 and horizontal passageway 32, idle adjusting screw 7 is arranged on body 28 by spring 31 and seal ring 37 sealing, and the valve point of idle adjusting screw 7 coordinates adjustment of combustion gas flow size with rising path 33.
The fixing idling path 30 of idling stationary conduit is connected with the second underpressure chamber g by fixing idling interface 27, is directly the supply combustion gas of air throttle component outlet side, another idle passage regulates Throughput by regulating the valve of idle adjusting screw 7 point aperture, idle passage can be the compensated part combustion gas of idling stationary conduit and air when engine idle work, rapid adjustment and gas supply amount when accurately controlling engine idle, article two, arranging of idling passage can allow the idle stability of motor strengthen, realize idling performance optimization, in debugging, fast engine idling performance can be adjusted to the best, the otherness in mixer manufacturing process and each region can be greatly reduced, the air temperature and air pressure in season changes the impact caused.When high engine speeds works with idling stationary conduit together with main gas passage for combustion gas supplied by motor.
The first described underpressure chamber f is separated into inner cavity chamber and outer chamber by sealing film 17, spring seat 18 is fixed on sealing film 17, spring 16 is arranged between the cover cap 15 of outer chamber and spring seat 18, the body 28 of inner cavity chamber is hinged with rocking arm 20 by pitman arm shaft 21, the spool 20-2 of rubber valve is arranged on the side of rocking arm 20; the cylindrical pin 20-1 of rocking arm 20 opposite side is connected with the rocking arm pin-and-hole 18-1 on spring seat 18, and the valve seat 41 of rubber valve is arranged on the first underpressure chamber f and coordinates with between gas inlet passage 40 and with the spool 20-2 of rubber valve.Balance according to spring 16 pressure and inner cavity chamber's internal pressure, rocking arm 20 can be followed sealing film 17 and be moved up and down, and realizes rubber valve and opens or close gas inlet.
When motor off working state, in mixer, each chamber all keeps the atmospheric pressure identical with the external world, and spring 16 opens as far as possible, due to the elastic force effect of spring 16, make the spool 20-2 of the rubber valve of the rocking arm the other end away from valve seat 41, fuel air road 40 is in open mode.When fuel gas pipe e accesses mixer, and open Steel cylinder gas valve, pressurized gas enter in inner cavity chamber, along with inner cavity chamber's internal pressure increases, sealing film 17 Compress Spring 16, spring 16 is shunk, and when Seal cage internal pressure reaches pilot pressure, the spool 20-2 on rocking arm 20 coordinates with valve seat 41 and closes rubber valve and stop air inlet.After combustion gas is released by follow-up gas circuit or used by motor, inner chamber gas pressure inside declines, and spring 16 extends and makes rocking arm 20 reopen rubber valve air inlet.The lever scaling factor of rocking arm 20 and the [coefficient of of spring 16 are in optimized selection by pilot pressure in supply air line pressure and desirable chamber, and the desired control pressure of inner cavity chamber considers the working state of balanced engine intake negative-pressure and the second underpressure chamber g, be in optimized selection, namely accomplish conveniently accurately to control, the minimum dimension realizing again convenient processing and install.
The second described underpressure chamber g is provided with sealing film 12, sealing film 12 is separated into normal pressure room and pressure chamber the second underpressure chamber g, the body 28 of pressure chamber is hinged with rocker lever 22 by bearing pin 25; one end of rocker lever 22 is connected with the spool 26 of butterfly gate; be provided with spring 24 between the other end of rocker lever 22 and body 28; rocker lever 22 is provided with the hemisphere salient point 22-1 of retaining spring 24, the valve seat 19 of butterfly gate to be arranged on the gas-entered passageway between the first underpressure chamber f with the second underpressure chamber g and to coordinate with the spool 26 of butterfly gate.Second underpressure chamber g there are respectively main gas passage and idling stationary conduit two air flues be connected with Venturi tube intake duct b.
The second described underpressure chamber g is provided with easy starting drive 39, this device comprises button 9, Returnning spring 10, jacking block 13, jacking block 13 is fixed on sealing film 12, and button 9 is spacing with back-up ring 14 after being arranged on the button hole of outer covering 11 after overlapping upper reset spring 10 from outside to inside.
When mixer is in off working state, due to the elastic force effect of spring 24, rocker lever 22 is by jack-up, and the spool 26 of butterfly gate is pressed in valve seat 19, and the gas pressure in the first underpressure chamber f cannot open butterfly gate, and now butterfly gate is in closed condition.Before motor prepares startup, pin button 9 several seconds of easy starting drive, it is descending that resilient sealing film 12 depressed by button 9, the jacking block 13 on sealing film 12 is made to push down rocker lever 22, rocker lever 22 the other end butterfly gate is opened, thus make a certain amount of combustion gas enter the second underpressure chamber g, and then enter motor from main jet interface 23 and fixing idling interface 27.When button 9 unclamps, because the second underpressure chamber g still keeps the barometric pressure the same with the external world, sealing film 12 will recover original equilibrium position, and butterfly gate is again closed under the effect of rocker lever 22 the other end spring 24.
Engine start, engine suction effect can produce intake duct negative pressure, keeps close negative pressure in the pressure chamber of the second underpressure chamber g by with engine inlets, and sealing film 12 opposite side normal pressure room connects air, will keep extraneous atmospheric pressure.Due to sealing film 12 both sides pressure reduction, jacking block 13 on the related film of sealing film 12 will cave in toward the side that pressure is little, and jacking block 13 depresses rocker lever 22 and Compress Spring 24, and rocker lever 22 can drive butterfly gate to open, make combustion gas enter the second underpressure chamber g, and then enter Venturi tube intake duct b.
Described air throttle component comprises air door plate 8, idling throttle opening adjusting screw 1, air door bracing wire steel wire head fastener 2, airdoor control plate 3, air door Returnning spring 4, air door maximum opening limiting stopper 5, air door fixed seat for cabling 6, air door plate 8 is installed in rotation on Venturi tube intake duct b, and air door Returnning spring 4 is arranged in the rotating shaft of air door plate 8 by airdoor control plate 3.
The import of described gas inlet passage 40 is provided with gas means for diverging 38 and fuel gas pipe e successively, and fuel gas pipe e is connected with gas inlet passage 40 by gas means for diverging 38.Operation fuel tracheae e is connected with work source of the gas propane steel cylinder.
Described air door plate 8 is provided with air door plate aperture 8-1, air door plate aperture 8-1 when air door plate 8 is closed and adjustable idle metering jet 29 just right, the center of circle of circular hole is on the circular arc of door-plate.Ensure when ventilating hole can make engine idle run that the air of necessary amount passes through, and fuel gas and sky can be made to go fully to mix.
When engine idle runs, air door plate 8 is in basic closed condition, air door plate 8 external atmospheric pressure is greater than engine side, air door plate 8 outside air is except entering inner side by door-plate aperture 8-1 and gap, also the main jet 36 from vertical passage 35 is entered inclined path 34, simultaneously, the combustion gas of the second underpressure chamber g also can enter inclined path 34 by main jet interface 23, in inclined path 34, air becomes mixed gas with combustion gas mixing, mixed gas is through rising path 33 and enter horizontal passageway 32 by idle adjusting screw 7, idle metering-orifice 29, enter Venturi tube intake duct b again, for the combustion gas of fixing idling path 30 compensates.Idle adjusting screw 7 can the gas quantity entering horizontal passageway 32 of regulating gas, thus regulates idling performance.
Strengthen gradually in motor air door plate 8 aperture, engine inlets air-intake negative-pressure increases gradually, negative pressure particularly outside air door plate 8 is close with engine suction negative pressure gradually, main jet 36 will be transformed into main gas supply passage gradually, and two idling air supply channels are that main jet 36 compensates as helping air supply passage.
The above; the just specific embodiment of the invention, not on plinth, done simple modification, equivalent variations or modification; any pro forma restriction is made in the protection the invention all falling into the invention, is not departing from the technological scheme base scope of the invention.

Claims (7)

1. an engine gas mixer, comprise body (28), Venturi tube intake duct (b), the first underpressure chamber (f), the second underpressure chamber (g), air throttle component, gas inlet passage (40), main gas passage, idling stationary conduit, idle passage, it is characterized in that: described gas inlet passage (40) is arranged on the below of Venturi tube intake duct (b) and is connected with the first underpressure chamber (f) by rubber valve (20-2), and the first underpressure chamber (f) is connected with the second underpressure chamber (g) by butterfly gate (26); Described main gas passage comprises and is interconnected inclined path (34) and vertical passage (35), the import of inclined path (34) is connected with the pressure chamber of the second underpressure chamber (g) by main jet interface (23), with air throttle component inlet end is connected after arranging main jet (36) in vertical passage (35); Described idling stationary conduit comprises fixing idling path (30), fixing idling interface (27), fixing idling path (30) one end is connected with air throttle component outlet side, and the other end is connected with the pressure chamber of the second underpressure chamber (g) by fixing idling interface (27); Described idle passage comprises adjustable idle metering jet (29), horizontal passageway (32), rising path (33), idle adjusting screw (7), horizontal passageway (32) is connected with air throttle component outlet side by adjustable idle metering jet (29), rising path (33) is connected between inclined path (34) and horizontal passageway (32), and the valve point of idle adjusting screw (7) coordinates adjustment of combustion gas flow size with rising path (33).
2. engine gas mixer according to claim 1, it is characterized in that: the first described underpressure chamber (f) is separated into inner cavity chamber and outer chamber by sealing film (17), spring seat (18) is fixed on sealing film (17), spring (16) is arranged between the cover cap (15) of outer chamber and spring seat (18), the body (28) of inner cavity chamber is hinged with rocking arm (20) by pitman arm shaft (21), the spool (20-2) of rubber valve is arranged on the side of rocking arm (20), the cylindrical pin (20-1) of rocking arm (20) opposite side is connected with the rocking arm pin-and-hole (18-1) on spring seat (18), the valve seat (41) of rubber valve is arranged between the first underpressure chamber (f) with gas inlet passage (40) and with the spool (20-2) of rubber valve and coordinates.
3. engine gas mixer according to claim 1 and 2, it is characterized in that: the second described underpressure chamber (g) is provided with sealing film (12), sealing film (12) is separated into normal pressure room and pressure chamber the second underpressure chamber (g), the body (28) of pressure chamber is hinged with rocker lever (22) by bearing pin (25), one end of rocker lever (22) is connected with the spool (26) of butterfly gate, spring (24) is provided with between the other end of rocker lever (22) and body (28), the valve seat (19) of butterfly gate to be arranged on the gas-entered passageway between the first underpressure chamber (f) with the second underpressure chamber (g) and to coordinate with the spool (26) of butterfly gate.
4. engine gas mixer according to claim 3, it is characterized in that: the second described underpressure chamber (g) is provided with easy starting drive (39), this device comprises button (9), Returnning spring (10), jacking block (13), jacking block (13) is fixed on sealing film (12), spacing with back-up ring (14) after being arranged on the button hole of outer covering (11) after button (9) cover upper reset spring (10) from outside to inside.
5. engine gas mixer according to claim 4, it is characterized in that: described air throttle component comprises air door plate (8), idling throttle opening adjusting screw (1), air door bracing wire steel wire head fastener (2), airdoor control plate (3), air door Returnning spring (4), air door maximum opening limiting stopper (5), air door bracing wire fixed base (6), air door plate (8) is installed in rotation on Venturi tube intake duct (b), and air door Returnning spring (4) is arranged in the rotating shaft of air door plate (8) by airdoor control plate (3).
6. engine gas mixer according to claim 5, it is characterized in that: described air door plate (8) is provided with air door plate aperture (8-1), air door plate aperture (8-1) when air door plate (8) is closed and adjustable idle metering jet (29) just right.
7. engine gas mixer according to claim 1, it is characterized in that: the import of described gas inlet passage (40) is provided with gas means for diverging (38) and fuel gas pipe (e) successively, and fuel gas pipe (e) is connected with gas inlet passage (40) by gas means for diverging (38).
CN201520616981.2U 2015-08-17 2015-08-17 Engine fuel blender Active CN204851479U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520616981.2U CN204851479U (en) 2015-08-17 2015-08-17 Engine fuel blender

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520616981.2U CN204851479U (en) 2015-08-17 2015-08-17 Engine fuel blender

Publications (1)

Publication Number Publication Date
CN204851479U true CN204851479U (en) 2015-12-09

Family

ID=54742034

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520616981.2U Active CN204851479U (en) 2015-08-17 2015-08-17 Engine fuel blender

Country Status (1)

Country Link
CN (1) CN204851479U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105003360A (en) * 2015-08-17 2015-10-28 星月集团有限公司 Engine fuel gas mixer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105003360A (en) * 2015-08-17 2015-10-28 星月集团有限公司 Engine fuel gas mixer

Similar Documents

Publication Publication Date Title
JP2501079B2 (en) Vaporizer with accelerator and idle circuit breaker
CN101395355A (en) Two-cycle engine
CA1194743A (en) Pressure balanced flow regulator for gaseous fuel engine
CN204851479U (en) Engine fuel blender
CN202215395U (en) Gas engine combustion gas supply device
US3421314A (en) Air-fuel ratio control system
CN203175704U (en) Simple starting membrane type carburetor
CN105003360A (en) Engine fuel gas mixer
CN113279862A (en) Multi-fuel mixer control system and multi-fuel engine
CN217999737U (en) Carburetor convenient to adjust mist concentration
CN204591531U (en) A kind of venturi air inlet mixer of two-step evolution
US6290215B1 (en) Carburetor with pressurized fuel injectors
CN206256977U (en) Double-throat carburetter
CN206256978U (en) Battery truck increases journey generation driving force novel membrane type carburetor
US10415508B2 (en) Charge forming device with air bleed control valve
CN205605331U (en) Engine fuel blender
CN2498357Y (en) Controller for liquiefied petroleum gas motor cycle and aided engines
CN2073481U (en) Definite proportion mixer of fuel for fuel gas engine
CN1434199A (en) Gas fuel supply device for engine
JPS5922065B2 (en) Load responsive exhaust gas recirculation valve
CN205190060U (en) Air - gas mixes blender in advance for engine
CN217481418U (en) Diaphragm type carburetor of electric control rotary valve
CN204458105U (en) A kind of integrated gas mixer of adjustable fuel gas
US4094933A (en) Supplying fuel to internal combustion engines
CN220487734U (en) Butterfly valve type electronic gas flow control three-fuel supply system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant