CN108367906A - Fuel distributor of its hydraulic pressure compartment equipped with additive injection device - Google Patents
Fuel distributor of its hydraulic pressure compartment equipped with additive injection device Download PDFInfo
- Publication number
- CN108367906A CN108367906A CN201680068581.XA CN201680068581A CN108367906A CN 108367906 A CN108367906 A CN 108367906A CN 201680068581 A CN201680068581 A CN 201680068581A CN 108367906 A CN108367906 A CN 108367906A
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- CN
- China
- Prior art keywords
- explosion
- additive
- proof casing
- motor
- clamping plate
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/74—Devices for mixing two or more different liquids to be transferred
- B67D7/743—Devices for mixing two or more different liquids to be transferred electrically or electro-mechanically operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/04—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/84—Casings, cabinets or frameworks; Trolleys or like movable supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/74—Devices for mixing two or more different liquids to be transferred
- B67D2007/745—Devices for mixing two or more different liquids to be transferred for obtaining fuel of a given octane level
- B67D2007/746—Devices for mixing two or more different liquids to be transferred for obtaining fuel of a given octane level by mixing different fuel grades or fuel and oil
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The present invention relates to a kind of fuel distributor (1), the fuel distributor includes hydraulic pressure compartment (2), and hydraulic pressure compartment includes：On the one hand, at least one pump unit (4), pump unit are connected at least one fuel rail line (3), and fuel rail line includes fuel flow meter (5) and the flexible pipe (6) equipped with spray gun (7)；And on the other hand, at least one additive injection device (8), additive injection device includes additive reservoir (9) and at least one injection unit (12), injection unit is used to the additive of controlled quatity being drawn into fuel rail line (3) from additive reservoir (9), injection unit (12) includes the suction pump (10) driven by motor (11), it is characterized in that, injection unit (12) includes explosion-proof casing (13), motor (11) is accommodated in explosion-proof casing, suction pump (10) is mounted on the outside of explosion-proof casing (13) and is driven via the drive shaft (14) of the wall (15) across explosion-proof casing (13) by motor (11), suction pump (10) and motor (11) are separated by the wall (15) of explosion-proof casing.
Description
Technical field
The present invention relates to a kind of fuel distributor, the hydraulic pressure compartment of the fuel distributor is injected equipped with additive to be filled
It sets.
Background technology
In general, the fuel distributor encountered in gas station includes：Pump for being drawn into fuel in holding vessel
Unit, the pump unit include by motor-driven pump；And it is connected to the distribution pipeline of this pump unit.Distribution pipeline includes using
In the flowmeter for the flow for measuring the fuel transferred by pump unit, and equipped with the flexible hose of distribution spray gun, the distribution
Spray gun is activated by user, to fill the fuel tank of its vehicle.
Now, oil company gradually provides supplement of the additive product as their fuel to their client, such as
So as to improve motor lubricating action or fuel burning.
One of currently known means for adding additives to fuel are to add from the tank for example individually sold
The fuel tank of vehicle is directly poured into agent, or the more upstream implementation of fuel production is added in refinery.
There is also the injections for injecting liquid additive during distributing fuel by the distribution pipeline of fuel distributor
Device, as described in document WO98/23530.
Such injection device includes liquid additive reservoir, for the suction pump of pumping liquid additive, for driving
The driving motor of dynamic suction pump, and the circulation pipe for liquid additive to be taken to distribution spray gun.Injection device is suitble to firing
Expect the additive of delivering doses in distribution pipeline, the additive of the dosage and the fuel for flowing through this fuel rail line
It flows proportional.
Therefore, injection device realizes oneself of additive in distribution pipeline and more specifically in the end of distribution pipeline
Dynamic addition, because addition occurs in spray gun.No matter user distributes stream by the fuel that its action to spray gun applies,
All ideally ensure the precision of the concentration about liquid additive.
The pump group part and fuel flow meter of fuel distributor are traditionally contained in hydraulic pressure compartment.Injection device can be placed in
In hydraulic pressure compartment, as described in document WO98/23530.
Hydraulic pressure compartment is the danger zone for being wherein frequently present of fuel vapour.In order to avoid the risk of explosion, it is present in liquid
Institute's live part in pressure compartment has to comply with and the relevant european union directive 94/9/EC or 2014/34/EU of explosive atmosphere, quilt
Referred to as ATEX is instructed.
In order to allow additive injection device to abide by explosion-proof criteria and instruction, it is known that how to use by the motor-driven pumpings of ATEX
Sucking pump is enable in fuel distributor safely use additive injected system.
However, ATEX motors have other protective shell, this makes them than non-ATEX motors biggers of tradition and more expensive.
Injected system may include multiple injection units, and each injection unit includes pump and motor, to correspondingly increase cost and sky
Between demand.
Invention content
It is an object of the present invention to make up this disadvantage, the fuel distributor by proposing such a fuel distributor
Hydraulic pressure compartment equipped with ATEX additive injection devices, the ATEX additives injection device is more compact and relatively cheap.
For this purpose, the present invention relates to a kind of fuel distributor, the hydraulic pressure compartment of the fuel distributor is equipped at least one
Additive injection device, the additive injection device include additive reservoir and at least one injection unit, the injection
Unit is used to the additive of controlled quatity being drawn into the fuel rail line of fuel distributor from additive reservoir, to deliver
Fuel/additive agent mixture.This injection unit includes by motor-driven suction pump.The motor is non-ATEX motors.
According to the present invention, additive injection device includes explosion-proof casing, and motor is accommodated in the explosion-proof casing.Suction pump cloth
It sets in the outside of explosion-proof casing and is driven via the drive shaft of the wall across explosion-proof casing by motor.Suction pump and motor are logical
This wall for crossing explosion-proof casing separates.
According to another characteristic of the invention, injection unit includes clamping plate, and the clamping plate is fastened on the wall of explosion-proof casing
Above and cover the opening being formed in this wall.Motor is fastened on the first face of clamping plate and suction pump is fastened on clamping plate
Second face opposite with first surface on.Drive shaft passes through clamping plate motor is connected to suction pump, the first flame path
It is located between clamping plate and wall.
According to another characteristic of the invention, the opening of the wall of explosion-proof casing is limited by peripheral surface.This clamping plate includes circle
Shape low portion, the rounded lower portion part includes peripheral surface, and the peripheral surface of the rounded lower portion part is towards explosion-proof shell
The peripheral surface of the opening of the wall of body and with the peripheral surface of the opening pass through formed the first flame path first part
Space separate.
According to another characteristic of the invention, the space for the first part for forming the first flame path is less than or equal to 0.5mm,
Preferably less or equal to 0.15mm.
According to another characteristic of the invention, clamping plate includes the top portion partially radially extended relative to rounded lower portion
Point.Upper part includes periphery load-bearing surface, and the periphery load-bearing surface is contacted with the outer surface of the wall of explosion-proof casing.First fire
The second part in flame path is formed between the periphery load-bearing surface and these surfaces of the outer surface.
According to another characteristic of the invention, clamping plate includes the central passage passed through by drive shaft.Second space is located at drive
Between moving axis and clamping plate, to form the second flame path.
According to another characteristic of the invention, the second space for forming the second flame path is less than or equal to 0.5mm, preferably
Less than or equal to 0.2mm.
According to another characteristic of the invention, the wall of explosion-proof casing is removably to cover, and dismountable lid leans against explosion-proof
On the load-bearing surface of shell, to form third flame path.
According to another characteristic of the invention, motor is fastened directly on clamping plate, to be contacted with this clamping plate.This motor
The first front shaft portion is driven to drive suction pump and the second rear portion shaft portion, second rear portion shaft portion and is placed in motor
Rear portion position detector cooperation.
Therefore, the present invention provides a kind of fuel distributor, and the hydraulic pressure compartment of the fuel distributor is added equipped with ATEX
Agent injection device, so that it can be used in explosive air, the ATEX additives injection device is than the prior art
Those additive injection devices are more compact and more economical.
In fact, the invention allows to use to take up space smaller and less expensive non-ATEX motors than ATEX motor.
According to another characteristic of the invention, pump unit is connected to two fuel rail lines, each fuel rail line packet
Flow meters and the flexible hose equipped with spray gun are included, additive injection device includes two injection units, the injection unit
It is connected to additive reservoir and each injection unit is connected to corresponding fuel rail line, additive injection device packet
The control card for controlling motor is included, the control card is arranged in the bottom of explosion-proof casing.
It is more compact and avoid having across explosion-proof casing to connect that this configuration makes it possible to additive injection device
The building-out cable of the card, described be stuck in this case will be positioned at the outside of explosion-proof casing.
According to another characteristic of the invention, explosion-proof casing is placed in below additive reservoir, to form vertical stacking, institute
The outlet that additive reservoir is included in lower portion is stated, the outlet is connected to injection unit.
This configuration makes it possible to obtain the vertical stacking as small as possible that takes up space.In addition, this configuration makes it possible to
The flowing for simply obtaining additive under the effect of gravity, to avoid occurring in additive bubble and use degassing system.This
Kind arrangement also allows for reducing as much as possible the length of the pipeline between reservoir and injection unit, thus reduces cost.
Additive injection device is placed in the end of hydraulic pressure compartment, positioned at first limited by the first side wall and second sidewall
In receiving portion, the second sidewall is prolonged in lower portion by the reservoir support part of the rest part perpendicular to second sidewall
It is long.Explosion-proof casing is fastened on by means of tightening member on reservoir support part.
This makes it possible to obtain additive injection device closely, and the additive injection device can be inserted initially
In the receiving portion provided for fuel pump unit.In other words, additive injection device alternative fuel pump unit, is enable to not
The frame of fuel distributor must be changed and lengthen fuel distributor.Therefore, the fuel distributor used in gas station can be with
It is modified and collects and be attached to additive injection device.
Description of the drawings
The feature of fuel distributor of the present invention will be more fully described with reference to non-limitative drawings, in the accompanying drawings：
- Fig. 1 schematically shows the fuel distributor according to the present invention for including additive injection device,
- Fig. 2 is mounted in the schematic cross sectional view of the injection unit on the wall of explosion-proof casing；
- Fig. 3 and Fig. 4 indicates the upward view and vertical view of clamping plate in a perspective view respectively,
- Fig. 5 be according to the perspective schematic view of the injection unit of a possible embodiment,
- Fig. 6 schematically shows it and covers the explosion-proof casing for fastening the additive injection device there are four injection unit,
- Fig. 7 is the exploded view of the explosion-proof casing indicated in Fig. 6,
- Fig. 8 schematically shows the additive injection device such as in hydraulic pressure compartment.
Specific implementation mode
As shown in Figure 1, fuel distributor 1 includes hydraulic pressure compartment 2, the hydraulic pressure compartment includes being connected at least one fuel
At least one pump unit 4 of distribution pipeline 3.Pump unit 4 includes by motor-driven pump and degassing room.Fuel rail line 3 wraps
Include fuel flow meter 5 and the flexible hose 6 equipped with spray gun 7.
More often, pump unit 4 includes two fuel rail lines 3, each fuel rail line and fuel distributor 1
Side is associated.
Fuel distributor 1 includes additive injection device 8, and the additive injection device is arranged in the interior of hydraulic pressure compartment 2
Portion.
Additive injection device 8 includes at least one additive reservoir 9 and at least one injection unit 12, the injection
Unit is used to the additive of controlled quatity being drawn into the fuel rail line 3 of fuel distributor 1 from additive reservoir 9.
Injection unit 12 includes the suction pump 10 driven by motor 11.
Additive injection device 8 includes explosion-proof casing 13, and motor 11 is accommodated in the explosion-proof casing.Suction pump 10 is arranged in
It the outside of explosion-proof casing 13 and is driven via the drive shaft 14 of the wall 15 across explosion-proof casing 13 by motor 11.10 He of suction pump
Motor 11 is separated by the wall 15 of explosion-proof casing 13.
As example, explosion-proof casing 13 can be Exd the or Exe terminal boxes of M2000 types.
As depicted in figs. 1 and 2, injection unit 12 includes clamping plate 16, and the clamping plate is fastened on the wall of explosion-proof casing 13
On 15 and cover the opening 20 being formed in wall 15.Clamping plate 16 include the first face 17 and the second face 18, second face with
First face 17 is opposite.First face 17 is located in the inside of explosion-proof casing 13, and the second face 18 is located in the outer of explosion-proof casing 13
Portion.Motor 11 is fastened on the first face 17 of clamping plate 16, and suction pump 10 is fastened on the second face 18 of clamping plate 16.
As shown in Fig. 2, drive shaft 14 passes through clamping plate 16, motor 11 is connected to suction pump 10.First flame path
19a, 19b are located between clamping plate 16 and wall 15.
The wall 15 of explosion-proof casing 13 includes opening 20, and clamping plate 16 is accommodated in the opening.The wall 15 of explosion-proof casing 13
Opening 20 is limited by the peripheral surface 23 with circular cross-section.As shown in Figure 3 and Figure 4, clamping plate 16 includes rounded lower portion part
24, the rounded lower portion part includes peripheral surface 25.This peripheral surface 25 faces the opening 20 of the wall 15 of explosion-proof casing 13
It peripheral surface 23 and is separated by space 37 with it, the space forms the first part of first flame path 19a, 19b
19a。
The space 37 for forming the first part 19a of first flame path 19a, 19b is less than or equal to 0.5mm and preferably small
In or be equal to 0.15mm so that flame can be suppressed and to stop this in the case of explosion in explosion-proof casing 13 fiery
The propagation of flame.Space 37 is advantageously 0.15mm.
The first part 19a of first flame path 19a, 19b has ring section volume (volume), that is to say, that
The volume limited between two concentric pipe fittings.Ring section volume advantageously entirely surrounds the rounded lower portion part 24 of clamping plate 16
It is constant.First flame path 19a, 19b to be in fluid communication between the inside and outside of explosion-proof casing 13, to press
Flame processed.
Clamping plate 16 include upper part 26, the upper part relative to rounded lower portion part 24 radially.On
Portion part 26 includes periphery load-bearing surface 28, and the periphery load-bearing surface is contacted with the outer surface 27 of the wall 15 of explosion-proof casing 13.
The second part 19b of first flame path 19a, 19b is formed in the periphery of the rounded lower portion part 24 of clamping plate 16
Between the outer surface 27 of the wall 15 of load-bearing surface 28 and explosion-proof casing 13.These surfaces 27,28 have smaller flat defect.This
Contact between a little surfaces 27,28 is incomplete, this is enough to suppress possible flame.
The formation of the periphery load-bearing surface 28 of the peripheral surface 25 of rounded lower portion part 24 and the upper part 26 of clamping plate 16
Continuous surface.In this example, these surfaces 25,28 are vertical.
In other words, the first part 19a of first flame path 19a, 19b is by second of first flame path 19a, 19b
19b is divided to extend, so that first flame path 19a, 19b can lead to the outside of explosion-proof casing 13.
Clamping plate 16 includes central passage 21, and drive shaft 14 passes through the central passage.Space 22 or gap are set to driving
Between axis 14 and clamping plate 16, to form the second flame path 22a.
Second flame path 22a surrounds drive shaft 14 completely.Second flame path 22a has ring section volume.Second
Flame path 22a to be in fluid communication between the inside and outside of explosion-proof casing 13, so as in explosion-proof casing 13
Pressure is discharged in inside in the case of exploding, and is simultaneously stopped flame transmission.
The second space 22 for forming the second flame path 22a is less than or equal to 0.5mm and is preferably less or equal to
0.2mm。
In the example of figure 2, second space 22 or acceptable gap are between 0.08mm and 0.2mm.Second flame road
Diameter 22a has the length of 14.5mm.For example, for the second space 22 of 0.15mm, the maximum length of the second flame path 22a is
25mm。
Fig. 2 indicates a specific implementation mode, wherein the second flame path 22a is by the space 55 than 22 bigger of second space
Extend, enabling avoid due to suction pump 10 is in the radial load applied on the end of drive shaft 14 drive shaft 14 not with clamping plate
16 contacts.
In other words, the tubular center channel 21 of clamping plate 16 is extended by the space 55 of the bigger of truncated cone shape.Other shapes are
It is feasible.
As shown in Figure 2, Figure 3 and Figure 4, the upper part 26 of clamping plate 16 includes four equidistant holes 38, with by means of four
Clamping plate 16 is fastened on the lid of explosion-proof casing 13 by a screw 38a.
Suction pump 10 is fastened on via support element 39 on clamping plate 16, as shown in Figure 5.
As shown in Figure 4 and Figure 5, the upper part 26 of clamping plate 16 includes four equidistant holes 40, with by means of four spiral shells
Nail 41 carrys out fastening support 39.
Suction pump 10 is fastened to support element 39 by two screws 42 on every side of support element 39.
According to fig. 2 and Fig. 5, suction pump 10 include rotary piston 43.The drive shaft 14 of motor 11 includes the first front axle
Part 31 and the second rear portion shaft portion 32.
The rotary piston 43 of suction pump 10 is connected to the first front shaft portion 31 of motor via globe joint 45.Motor
11 are connected to the first front shaft portion 31 to drive suction pump 10.Rotary piston 43 is performed simultaneously moving in rotation and translation moves
It is dynamic, to deliver the additive of doses.
Such suction pump 10 is well known.The work such as sold by Fluid Metering Co., Ltds can be used
Plug pump.This piston pump includes Ceramic piston and ceramic-lined, the Ceramic piston and ceramic-lined relative to being infused in fuel
Additive be chemically inert.
According to fig. 2 with the embodiment of Fig. 5, motor 11 is fastened directly on clamping plate 16, to be connect with the clamping plate
It touches.More precisely, motor 11 is fastened on by means of screw 46 on the lower surface 49 of the rounded lower portion part 24 of clamping plate 16.Spiral shell
Nail 46 is inserted into the hole (not shown) of motor 11, to be tightened to the threaded hole 48 being set in the rounded lower portion part 24 of clamping plate 16
In.
As shown in Fig. 2, motor 11 includes the second rear portion shaft portion 32, second rear portion shaft portion and position detector 36
Cooperation is to detect the Angle Position of drive shaft 14.This makes it possible to return it to when rotary piston 43 stops operating determining
Stop position.This piston detector 36 makes it possible to know the position of drive shaft 14 and verifies whether it executes a turn over to pass
Send the additive of calibrated volumes.Position detector 36 can be optical sensor, as illustrated in the example of fig. 2 or Hall effect
Sensor or other sensors.
Position detector 36 is arranged in the rear portion of motor 11, and includes the disk 44 equipped with slit, the disk with
Second rear portion shaft portion 32 of motor 11 is fixed together.Transceiver module 51 is fastened on the rear portion of motor 11, to detect slit
Position.The rear portion of motor 11 is covered by lid 52, with the second rear portion shaft portion 32 of protective position detector 36 and motor 11.
The drive shaft 14 of motor 11 is placed in the middle and is guided by two bearings 53,54.
As shown in figure 4, the second face 18 of clamping plate 16 includes centring pin 56, the internal point being set in support element 39 is inserted into institute
It states in centring pin.Centring pin 56 is stretched out from the second face 18 of clamping plate 16.
As shown in figure 3, the first face 17 of clamping plate 16 includes internal point 58, the centring pin 59 being set on motor 11 is inserted into institute
It states in internal point (Fig. 2).
According to another feasible embodiment (not shown), intermediate support is set between motor and clamping plate, at this
In the case of kind, the clamping plate is not in direct contact with motor.Motor is then fastened on intermediate clamping plate, and the centre is clamping
Plate is fastened on clamping plate again.Position detector is arranged between motor and clamping plate.
Explosion-proof casing 13 is the metal shell being preferably made of aluminium.
As shown in fig. 7, the wall 15 of explosion-proof casing 13 is dismountable lid 15, it is described to cover the carrying for being resting on explosion-proof casing 13
On surface 29, third flame path 30 is consequently formed.
Lid 15 is fastened on by such as ten screws 60 on explosion-proof casing 13, and the screw is inserted into the hole 61 of lid 15 and twists
It is tightened in the threaded hole 62 in explosion-proof casing 13.
As shown in fig. 6, explosion-proof casing 13 include cable inlet or axle envelope (presse é toupe) 63, the cable inlet or
Axle envelope makes it possible to pass the cable through in a sealing fashion relative to fuel vapour.Cable tube reducing device 47 can be located at going out for axle envelope 63
At mouthful, for making the cable of small diameter pass through.
Alternatively, the wall 15 for being fastened with injection unit 12 thereon can be unshowned explosion-proof casing 13 side wall or rear wall in
One.
As example, explosion-proof casing 13 has length, the width of 14cm and the depth of 11.7cm of general 22cm.
In this example, suction pump 10 is rotary-piston pump, as described above, pivots delivering 0.1ml dosage every time
Additive.Pump delivers the additive of calibration dosage in a manner of accurate, is enable to save flowmeter.Suction pump 10 is
In accordance with the ATEX pumps for the Europe instruction 94/9/CE or 2014/34/EU for being related to explosive atmosphere.Therefore, suction pump can be arranged in
In hydraulic pressure compartment 2 and in the outside of explosion-proof casing 13, that is to say, that be arranged in the region that may form fuel vapour.
Other kinds of pump can also be used to be used as positive displacement pump.
As shown in Fig. 1, Fig. 5 and Fig. 6, suction pump 10 includes being connected to the additive entrance 65 of additive reservoir 9 and connecting
It is connected to the additive outlets 66 of fuel rail line 3.
Motor 11 is the stepper motor that control card 33 as shown in Figure 7 controls.
According to Fig. 7, control card 33 is arranged at the bottom 34 of explosion-proof casing 13, to reduce wiring and to obtain compact cloth
It sets.Another alternative solution is that control card 33 is placed in hydraulic pressure compartment, this must use from hydraulic pressure compartment and extend to explosion-proof casing
The cable of 13 inside.
The concentration of additive in fuel is predetermined before fuel transaction.
Preferably the flowmeter 5 of volumetric flowmeter measures delivered volume of fuel.Measuring signal is transferred to appearance by it
The computer being contained in hydraulic pressure compartment 2, the computer will be injected according to the volume of the fuel delivered to calculate in real time
Additive volume.Signal is controlled then to transmit from computer to the control card 33 of additive injection device 8.This is reflected in injection
In the revolution (un nombre de tours) that the motor 11 of unit 12 will execute.Therefore, motor 11 is via control card 33
Control signal is received, to control the revolution that will be executed.Therefore, additive volume is proportional to volume of fuel.
As illustrated in figures 1 and 8, additive injection device 8 includes hand-operated valve 67 and filter 68, the hand-operated valve and filtering
Device is arranged between additive reservoir 9 and injection unit 12.Valve 67 can also be automatic.There is filter 68 filtering to come from
The function of clast contained in the additive of additive reservoir 9.
Check valve 69 (Fig. 1) is arranged between injection unit 12 and fuel rail line 3.Check valve makes it possible to prevent to come
From the over-pressed to protect injection unit 12 of fuel distribution pipeline 3, and prevent fuel from returning.
Additive injection device 8 may include multiple injection units 12, each injection unit and corresponding fuel rail
Line 3 is associated and thus associated with corresponding spray gun 7.
According to Fig. 6 and embodiment shown in Fig. 7, additive injection device 8 includes being fastened on the lid 15 of explosion-proof casing 13
Four injection units 12.Injection unit 12 is arranged with being staggered, to keep additive injection device 8 compact as much as possible.
As shown in figure 8, additive injection device 8 is mounted on the first receiving in the hydraulic pressure compartment 2 of fuel distributor
In portion (logement) 80.
This first receiving portion 80 is adjacent with the second receiving portion 81, and second receiving portion is for receiving fuel pump unit 4.This
First receiving portion 80 is limited by the first side wall 70a and second sidewall 70b.This first side wall 70a includes hole 71, and the hole allows
Injection unit 12 is touched during attended operation.
This first side wall 70a is located at the wall of the end of hydraulic pressure compartment 2, farthest from electronic compartment 2 (Fig. 1).
Embodiment according to figure 8, additive injection device 8 include two additions being arranged in the first receiving portion 80
Developing agent storage device 9.Explosion-proof casing 13 is placed in 9 lower section of additive reservoir, to form the vertical stacking as small as possible that takes up space.
The outlet 64 (Fig. 1) of additive reservoir is set at the bottom of additive reservoir 9, and injection unit 12 is arranged
In the lower section of additive reservoir 9, to allow additive to flow under the effect of gravity, avoids occurring bubble in additive and make
With degassing system.This arrangement also allows for reducing as much as possible the length of the pipeline between reservoir and injection unit 12,
To reduce cost.
Second sidewall 70b is L-shaped.Second sidewall is at lower portion by its remaining part perpendicular to second sidewall 70b
The reservoir support part (not shown) divided extends.Additive reservoir 9 is placed on reservoir support part.Explosion-proof casing 13 by means of
Tightening member 72 is fastened to this reservoir support part, and the tightening member is in the overall shape of " L ", as shown in Figure 7.Tightening member
72 are fastened on 73 behind explosion-proof casing 13.Tightening member 72 is also fastened to reservoir support part.
The lid 15 of explosion-proof casing 13 includes bearing 74, and the bearing is fastened on the low portion of lid 15 to safeguard.
In fact, each injection unit 12 includes being connected to the first beam cable 75 of position detector 36 and being connected to the second of motor 11
Beam cable 76.This two beams cable 75,76 shown in Fig. 5 is also connected to control card 33.In the attended operation for replacing suction pump 10
Period can remove explosion-proof casing 13 and lid 15 is stayed in appropriate location simultaneously, wherein pump is connected to reservoir.Bearing 74 makes
Lid 15 can be placed on support element, so that pipe mitigates the weight of lid 15 and injection unit 12.
As shown in figure 8, each injection unit 12 is connected to additive reservoir 9, first pipe via the first pipe fitting 77a
Part is connected to the first manifold 78, and first manifold in turn is connected to additive reservoir 9.First manifold 78 can be via two
The first different pipe fitting 77a are connected to two injection units 12.Therefore, additive injection device 8 can be connected to two not
With identical additive is delivered in two corresponding fuel rail lines 3 of spray gun 7, the fuel rail line is arranged in fuel
On every side of distributor 1.
The element of other injection units 12 will be connected to positioned at the additive reservoir on the left side of Fig. 8 by being not shown, so as to letter
Change Fig. 8.
Each injection unit 12 is connected to the second manifold (not shown) via the second pipe fitting 77b.Second manifold is connected to combustion
Expect distribution pipeline 3.
The cable 79 of the axle envelope 63 from explosion-proof casing 13 is also shown in Fig. 8.These cables 79 be connected to be located in hydraulic pressure every
Computer in room 2.
Claims (11)
1. a kind of fuel distributor (1), the fuel distributor includes hydraulic pressure compartment (2), and the hydraulic pressure compartment includes：One side
Face, at least one pump unit (4), the pump unit are connected at least one fuel rail line (3), the fuel rail line
Flexible hose (6) including fuel flow meter (5) and equipped with spray gun (7)；And on the other hand, at least one additive injection
Device (8), the additive injection device include additive reservoir (9) and at least one injection unit (12), the injection
Unit is used to the additive of controlled quatity being drawn into the fuel rail line (3), the note from the additive reservoir (9)
It includes the suction pump (10) driven by motor (11) to enter unit (12),
It is characterized in that, the injection unit (12) includes explosion-proof casing (13), the motor is accommodated in the explosion-proof casing
(11), the suction pump (10) is mounted on the outside of the explosion-proof casing (13) and by the motor (11) via across described
Drive shaft (14) driving of the wall (15) of explosion-proof casing (13), the suction pump (10) and the motor (11) pass through described explosion-proof
The wall (15) of shell separates.
2. fuel distributor (1) according to claim 1, which is characterized in that the injection unit (12) includes clamping plate
(16), the clamping plate is fastened on the wall (15) of the explosion-proof casing (13) and covers and is formed in the wall (15)
Opening (20), the motor (11) is fastened on the first face (17) of the clamping plate (16) and the suction pump (10) is tight
Gu on second face (18) opposite with the first face (17) of the clamping plate (16), the drive shaft (14) passes through described
The motor (11) is connected to the suction pump (10), the first flame path (19a, 19b) is located at described clamping plate (16)
Between clamping plate (16) and the wall (15).
3. fuel distributor (1) according to claim 2, which is characterized in that the wall of the explosion-proof casing (13)
(15) the opening (20) is limited by peripheral surface (23), and the clamping plate (16) includes rounded lower portion part (24), described
Rounded lower portion part includes peripheral surface (25), and the peripheral surface of the rounded lower portion part is towards the explosion-proof casing (13)
The peripheral surface (23) of the opening (20) of the wall (15) and pass through shape with the peripheral surface of the opening
It is separated at the space (37) of the first part (19a) in first flame path (19a, 19b).
4. fuel distributor (1) according to claim 3, which is characterized in that form the described of first flame path
The space (37) of first part (19a) is less than or equal to 0.5mm, preferably less or equal to 0.15mm.
5. fuel distributor (1) according to any one of claim 2 to 4, which is characterized in that clamping plate (16) packet
The upper part (26) radially extended relative to the rounded lower portion part (24) is included, the upper part (26) includes that periphery is held
It carries surface (28), the periphery load-bearing surface is contacted with the outer surface (27) of the wall (15) of the explosion-proof casing (13), institute
State the first flame path (19a, 19b) second part (19b) be formed in the periphery load-bearing surface and the outer surface these
Between surface.
6. the fuel distributor (1) according to any one of claim 2 to 5, which is characterized in that clamping plate (16) packet
Include the central passage (21) passed through by the drive shaft (14), second space (22) be located at the drive shaft (14) with it is described clamping
Between plate (16), to form the second flame path (22a).
7. fuel distributor (1) according to claim 6, which is characterized in that formed second flame path (22a)
The second space (22) is less than or equal to 0.5mm, preferably less or equal to 0.2mm.
8. fuel distributor (1) according to any one of claim 1 to 7, which is characterized in that the explosion-proof casing (13)
The wall (15) be removably to cover, it is described it is dismountable lid rest against on the load-bearing surface (29) of this explosion-proof casing (13),
It is formed third flame path (30).
9. the fuel distributor (1) according to any one of claim 2 to 8, which is characterized in that the motor (11) is direct
It is fastened on the clamping plate (16), to be contacted with the clamping plate, this motor (11) drives the first front shaft portion (31)
To drive the suction pump (10) and the second rear portion shaft portion (32), second rear portion shaft portion and it is placed in the motor
(11) position detector (36) at rear portion cooperates.
10. fuel distributor (1) according to any one of claim 1 to 9, which is characterized in that the pump unit (4) is even
It is connected to two fuel rail lines (3), each fuel rail line includes flow meters (5) and equipped with the one soft of spray gun (7)
Property hose (6), the additive injection device (8) includes two injection units (12), and the injection unit is connected to described add
Add developing agent storage device (9) and each injection unit is connected to corresponding fuel rail line (3), the additive injection device
(8) include for controlling the control card of the motor (11) (33), the control card is arranged in the bottom of the explosion-proof casing (13)
In portion (34).
11. fuel distributor (1) according to any one of claim 1 to 10, which is characterized in that the explosion-proof casing
(13) it is placed in below the additive reservoir (9), to form vertical stacking, the additive reservoir (9) is included in it
The outlet (64) of low portion, the outlet are connected to the injection unit (12), and the additive injection device (8) is placed in institute
It states the end of hydraulic pressure compartment (2), be located at the first receiving portion (80) limited by the first side wall (70a) and second sidewall (70b)
In, the second sidewall is in lower portion by the reservoir support part of the rest part perpendicular to the second sidewall (70b)
Extend, the explosion-proof casing (13) is fastened on by means of tightening member (72) on the reservoir support part.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR15/60130 | 2015-10-23 | ||
| FR1560130A FR3042787A1 (en) | 2015-10-23 | 2015-10-23 | FUEL DISPENSER HAVING HYDRAULIC COMPARTMENT EQUIPPED WITH ADDITIVE INJECTION DEVICE |
| PCT/IB2016/056350 WO2017068545A1 (en) | 2015-10-23 | 2016-10-21 | Fuel distributor, the hydraulic compartment of which is equipped with an additive injection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108367906A true CN108367906A (en) | 2018-08-03 |
| CN108367906B CN108367906B (en) | 2020-05-26 |
Family
ID=54848796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680068581.XA Active CN108367906B (en) | 2015-10-23 | 2016-10-21 | Fuel dispenser with hydraulic compartment equipped with additive injection means |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3365268B1 (en) |
| CN (1) | CN108367906B (en) |
| AU (1) | AU2016340366C1 (en) |
| FR (1) | FR3042787A1 (en) |
| PT (1) | PT3365268T (en) |
| WO (1) | WO2017068545A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE543664C2 (en) * | 2019-06-05 | 2021-05-25 | Wayne Fueling Systems Sweden Ab | A fuel dispensing unit and a method for handling additives inside a fuel dispensing unit |
| US11939209B2 (en) | 2020-06-11 | 2024-03-26 | Wayne Fueling Systems Llc | Metering pumps for fueling applications |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998023530A1 (en) * | 1996-11-28 | 1998-06-04 | Schlumberger Industries | Device for injecting liquid additive into a fuel |
| US6392322B1 (en) * | 2000-01-31 | 2002-05-21 | Precision Engine Controls Corporation | Rugged explosion-proof actuator with integral electronics |
| CN202190168U (en) * | 2011-08-03 | 2012-04-11 | 中煤科工集团重庆研究院 | Mining DC brushless micropump |
| CN202529835U (en) * | 2012-02-23 | 2012-11-14 | 北京全盛虎安防爆科技有限责任公司 | Moveable separating anti-explosion type fuel storing and filling device |
| CN203683071U (en) * | 2013-12-20 | 2014-07-02 | 航天晨光股份有限公司 | Device for charging oilseed additives in on-line mode |
| CN104512857A (en) * | 2013-09-29 | 2015-04-15 | 德莱赛稳加油设备(上海)有限公司 | Additive injection device and method for fuel filling machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29502004U1 (en) * | 1995-02-08 | 1996-06-05 | Hanning & Kahl Gmbh & Co | Explosion-proof electrical machine |
| DE10317181B4 (en) * | 2003-04-15 | 2006-05-24 | Alexander Schischek | Drive, especially actuator and control drive, for flaps and valves |
-
2015
- 2015-10-23 FR FR1560130A patent/FR3042787A1/en active Pending
-
2016
- 2016-10-21 PT PT167907179T patent/PT3365268T/en unknown
- 2016-10-21 AU AU2016340366A patent/AU2016340366C1/en active Active
- 2016-10-21 CN CN201680068581.XA patent/CN108367906B/en active Active
- 2016-10-21 EP EP16790717.9A patent/EP3365268B1/en active Active
- 2016-10-21 WO PCT/IB2016/056350 patent/WO2017068545A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998023530A1 (en) * | 1996-11-28 | 1998-06-04 | Schlumberger Industries | Device for injecting liquid additive into a fuel |
| US6392322B1 (en) * | 2000-01-31 | 2002-05-21 | Precision Engine Controls Corporation | Rugged explosion-proof actuator with integral electronics |
| CN202190168U (en) * | 2011-08-03 | 2012-04-11 | 中煤科工集团重庆研究院 | Mining DC brushless micropump |
| CN202529835U (en) * | 2012-02-23 | 2012-11-14 | 北京全盛虎安防爆科技有限责任公司 | Moveable separating anti-explosion type fuel storing and filling device |
| CN104512857A (en) * | 2013-09-29 | 2015-04-15 | 德莱赛稳加油设备(上海)有限公司 | Additive injection device and method for fuel filling machine |
| CN203683071U (en) * | 2013-12-20 | 2014-07-02 | 航天晨光股份有限公司 | Device for charging oilseed additives in on-line mode |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2016340366C1 (en) | 2019-04-11 |
| WO2017068545A1 (en) | 2017-04-27 |
| PT3365268T (en) | 2019-12-16 |
| AU2016340366A1 (en) | 2018-05-24 |
| CN108367906B (en) | 2020-05-26 |
| EP3365268A1 (en) | 2018-08-29 |
| AU2016340366B2 (en) | 2018-11-08 |
| FR3042787A1 (en) | 2017-04-28 |
| EP3365268B1 (en) | 2019-10-16 |
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