CN107269600A - A kind of new fuel tank air inlet and outlet device and method - Google Patents
A kind of new fuel tank air inlet and outlet device and method Download PDFInfo
- Publication number
- CN107269600A CN107269600A CN201710638828.3A CN201710638828A CN107269600A CN 107269600 A CN107269600 A CN 107269600A CN 201710638828 A CN201710638828 A CN 201710638828A CN 107269600 A CN107269600 A CN 107269600A
- Authority
- CN
- China
- Prior art keywords
- fuel tank
- air
- valve
- admission line
- discharge duct
- 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
Links
- 239000002828 fuel tank Substances 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 15
- 238000000605 extraction Methods 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 230000007306 turnover Effects 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 238000001802 infusion Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000003749 cleanliness Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
Abstract
The invention discloses a kind of new fuel tank air inlet and outlet device, fuel tank interface including protruding from tank body of oil tank upper surface, described fuel tank interface is provided with independent gas handling system and gas extraction system, the gas handling system is made up of air cleaner, admission line and air intake valve, admission line is connected by air intake valve through fuel tank interface with fuel tank internal, and air cleaner is arranged on admission line；The gas extraction system is made up of drain tap, discharge duct, and one end of discharge duct is connected by drain tap through fuel tank interface with fuel tank internal, and the other end of discharge duct is extended to outside workshop.Use device carries out fuel tank when the method for intake and exhaust is advanced for metal extrusion press idle running and passes through gas handling system air inlet；During retrogressing, fuel tank is vented by gas extraction system.The air inlet system and exhaust system of fuel tank are provided separately, and intake and exhaust are unimpeded, and inlet air filtration is more abundant, are improved outside fuel tank oil cleanliness, exhaust release to workshop, are improved workshop air quality.
Description
Technical field
The invention belongs to field of metallurgical equipment, it is related to a kind of extruding metal equipment hydraulic control system, and in particular to a kind of
New fuel tank air inlet and outlet device and method.
Background technology
The traditional intake and exhaust mode of metal extrusion press hydraulic control system tank mounting is all straight in line, that is to say, that
Air cleaner is housed, fuel tank is by the filter air inlet, and simultaneously also by the filter exhaust, this intake and exhaust are most on fuel tank
The impurity particles such as dust when big shortcoming is exactly fuel tank air inlet in air are attracted on sieve of air filter by filtering,
These impurity particles are blown afloat again during exhaust, are adsorbed but also are blown afloat not only in next circulation, so move in circles, can neither play very
Good filtration, influences to contain oil content in workshop air quality, and the air of discharge again.
The content of the invention
In view of the above-mentioned problems existing in the prior art, it is an object of the invention to provide one kind extruding metal equipment can be allowed oily
Case air inlet system and exhaust system are separated, and fully ensure that inlet air filtration works well, it is ensured that smooth gas discharge, resistance are small, and exhaust is discharged to car
Between a kind of outer new air inlet and outlet device and method.
The technical scheme is that：
A kind of new fuel tank air inlet and outlet device, including protrude from the fuel tank interface of tank body of oil tank upper surface, described oil
Case interface is provided with gas handling system and gas extraction system, and described gas handling system and gas extraction system is provided separately；
Described gas handling system is made up of air cleaner, admission line and air intake valve, and described admission line passes through
Air intake valve is connected through fuel tank interface with fuel tank internal, and air cleaner is arranged on admission line；
Described gas extraction system is made up of drain tap, discharge duct, and one end of discharge duct is by drain tap through oil
Case interface is connected with fuel tank internal, and the other end of discharge duct is extended to outside workshop.
The lower surface of described tank body of oil tank is connected with replenishing valve.
Described air cleaner is provided with multigroup, and multigroup air cleaner is arranged on admission line parallel.
Described air intake valve and drain tap is turnover plate type valve.
Described turnover plate type valve is made up of valve body, turnover panel, rotating shaft and display pole, and valve is embedded in discharge duct or air inlet
On pipeline, the outer peripheral face sealing of valve body and discharge duct or admission line is connected, and one is connected on valve body with discharge duct or entering
The rotating shaft of feed channel axis perpendicular, a rotating shaft part is in valve body, and another part is in outside valve body, and rotating shaft is in outside valve body
Part be connected a display pole, rotating shaft be in valve body in part be connected a turnover panel (i.e. valve plate), turnover panel is in both sides air pressure
Rotated around the shaft in the presence of difference, cover discharge duct and open admission line, be i.e. drain tap closing, air intake valve is opened, or
Person opens discharge duct, covers admission line i.e. drain tap and opens, air intake valve is closed.
Described valve body one end being embedded in discharge duct or admission line is fixed with the end face phase of sealing ring and turnover panel
Coordinate.
The installation direction of described turnover panel and vertical plane angle are 25 °, with vertical direction angle are 80 °~90 ° during opening,
During closing with vertical direction angle be 25 °.
A kind of new fuel tank enters discharge method, and the side cylinder of metal extrusion press is piston cylinder, and master cylinder is plunger case, extruding metal
When machine idle running is advanced, side cylinder drives master cylinder, and master cylinder passively advances, and side cylinder passes through replenishing valve and fuel tank phase by main pump fuel feeding, master cylinder
Even, replenishing valve is opened, and fuel tank gives master cylinder fluid infusion, and oil tank liquid level declines, air pressure reduction in fuel tank, under external atmosphere pressure effect,
Air intake valve is automatically opened up, and drain tap is closed automatically, and air passes sequentially through air cleaner, admission line, air intake valve certainly
It is dynamic to enter fuel tank；When metal extrusion press idle running is retreated, replenishing valve is opened, and master cylinder is by replenishing valve to fuel tank discharge opeing, oil tank liquid level
Rise, air pressure rise in fuel tank, drain tap is automatically opened up, and air intake valve is closed automatically, and air passes through drain tap in fuel tank
And discharge duct is drained into outside workshop.
It is an advantage of the invention that：The tank mounting of metal extrusion press, intake and exhaust flow is very big, and the present invention is air inlet system and exhaust system
It is provided separately, ensure that fuel tank intake and exhaust are unobstructed first；Secondly, when fuel tank is vented, adsorb on admission line strainer screen
Dust granules will not be blown afloat, in addition, gas extraction system is extended to outside workshop, improve workshop air quality.
Brief description of the drawings
Fig. 1 is the air inlet schematic diagram of the present invention；
Fig. 2 is the venting principleand figure of the present invention；
Description of reference numerals
1st, fuel tank, 2, discharge duct, 3, replenishing valve, 4, drain tap, 5, air intake valve, 6, admission line, 7, air mistake
Filter.
With reference to example figure, the invention will be further described：
Embodiment
Embodiment 1
A kind of new fuel tank air inlet and outlet device, including protrude from the fuel tank interface of the casing upper surface of fuel tank 1, described oil
Case interface is provided with gas handling system and gas extraction system, and described gas handling system and gas extraction system is provided separately；Metal extrusion press idle running
During motion, two or more piston type sides cylinder drives one or more plunger typed master cylinders, and master cylinder is connected by replenishing valve with fuel tank,
When idle running is advanced, master cylinder passes through replenishing valve fluid infusion, fuel tank air inlet；During backhaul, master cylinder passes through replenishing valve discharge opeing, fuel tank exhaust.It is main
The area of cylinder is usually 10 times of side cylinder or so, therefore the draining flow that enters of master cylinder is 10 times of main pump flow or so, fuel tank dress
The intake and exhaust flow put is 10 times of main pump flow or so.
In consideration of it, the air inlet system and exhaust system in this programme are provided separately, gas handling system is provided with air intake valve, gas extraction system
Provided with drain tap, during fuel tank air inlet, air intake valve is automatically opened up, and drain tap is closed automatically, when fuel tank is vented, drain tap
Automatically open up, air intake valve is closed automatically.Air cleaner of the gas handling system also provided with 3~4 times of fuel tank charge flow rates, fills
Code insurance demonstrate,proves the cleannes of air inlet, while greatly reducing exhaust resistance, discharge duct is extended to outside workshop, improves workshop air
Quality.
Embodiment 2
On the basis of embodiment 1, a kind of new fuel tank air inlet and outlet device, including protrude from the casing upper surface of fuel tank 1
Fuel tank interface, the lower surface of the casing of fuel tank 1 is connected with replenishing valve 3, and described fuel tank interface is provided with gas handling system and exhaust system
System, described gas handling system is made up of air cleaner 7, admission line 6 and air intake valve 5, and described admission line 6 is by entering
Air valve 5 is connected through the inside of fuel tank interface and fuel tank 1, and air cleaner 7 is provided with multigroup, and multigroup air cleaner is set parallel
In on admission line 6；Described gas extraction system is made up of drain tap 4, discharge duct 2, and one end of discharge duct 2 passes through exhaust
Valve 4 is connected through fuel tank interface with the inside of fuel tank 1, and the other end of discharge duct 2 is extended to outside workshop.
The method for carrying out intake and exhaust using the new fuel tank air inlet and outlet device is：The side cylinder of metal extrusion press is piston
Cylinder, master cylinder is plunger case, when metal extrusion press idle running is advanced, and side cylinder drives master cylinder, and master cylinder passively advances, and side cylinder is supplied by main pump
Oil, master cylinder is connected by replenishing valve 3 with fuel tank 1, and replenishing valve 3 is opened, and fuel tank 1 gives master cylinder fluid infusion, and the liquid level of fuel tank 1 declines, fuel tank 1
Interior air pressure reduction, under external atmosphere pressure effect, as shown in figure 1, air intake valve 5 is automatically opened up, drain tap 4 is closed automatically,
Air passes sequentially through air cleaner 7, admission line 6, air intake valve 5 automatically into fuel tank；When metal extrusion press idle running is retreated,
Replenishing valve 3 is opened, and master cylinder is by replenishing valve 3 to the discharge opeing of fuel tank 1, and fuel tank liquid 1 rises, air pressure rise in fuel tank 1, such as Fig. 2 institutes
Show, drain tap 4 is automatically opened up, air intake valve 5 is closed automatically, air passes through drain tap 4 and the row of discharge duct 2 in fuel tank 1
To outside workshop.
The gas handling system and gas extraction system of fuel tank are independently arranged, and dedicated channel is respectively walked in intake and exhaust, and intake and exhaust are unimpeded, air inlet
Filter is more abundant, improves outside fuel tank oil cleanliness, exhaust release to workshop, improves workshop air quality.
Embodiment 3
On the basis of above-described embodiment, described air intake valve 5 and drain tap 4 is turnover plate type valve：Described
Turnover plate type valve is made up of valve body, turnover panel, rotating shaft and display pole, and valve is embedded on discharge duct 2 or admission line 6, valve body
Outer peripheral face sealing with discharge duct 2 or admission line 6 is connected, and one and discharge duct 2 or the axle of admission line 6 are connected on valve body
The perpendicular rotating shaft of line, a rotating shaft part is in valve body, and another part is in outside valve body, and the part that rotating shaft is in outside valve body is consolidated
Connect a display pole, the connected turnover panel (i.e. valve plate) in part that rotating shaft is in valve body, effect of the turnover panel in both sides air pressure difference
Under rotate around the shaft, cover discharge duct 2, open admission line 6 (i.e. drain tap 4 is closed, and air intake valve 5 is opened), or
Open discharge duct 2, cover admission line 6 (i.e. drain tap 4 is opened, and air intake valve 5 is closed).
Described valve body one end being embedded in discharge duct 2 or admission line 6 is fixed with the end face of sealing ring and turnover panel
It is engaged.
The installation direction of described turnover panel and vertical plane angle are 25 °, with vertical direction angle are 80 °~90 ° during opening,
During closing with vertical direction angle be 25 °.Enter that the opening and closing of (row) air valves rely on is air pressure inside and outside fuel tank
Difference, when air intake valve is opened, drain tap is closed automatically, and when drain tap is opened, air intake valve is closed automatically.Display pole and turn
Axle is fixed together, observably shows the on off state of valve.
Claims (8)
1. a kind of new fuel tank air inlet and outlet device, including the fuel tank interface of fuel tank (1) casing upper surface is protruded from, its feature exists
In：Described fuel tank interface is provided with independent gas handling system and gas extraction system；
Described gas handling system is made up of air cleaner (7), admission line (6) and air intake valve (5), described admission line
(6) connected by air intake valve (5) through fuel tank interface and fuel tank (1) are internal, air cleaner (7) is arranged at admission line (6)
On；
Described gas extraction system is made up of drain tap (4), discharge duct (2), and one end of discharge duct (2) passes through drain tap
(4) through fuel tank interface with being connected inside fuel tank (1), the other end of discharge duct (2) is extended to outside workshop.
2. a kind of new fuel tank air inlet and outlet device according to claim 1, it is characterised in that：Described fuel tank (1) case
The lower surface of body is connected with replenishing valve (3).
3. a kind of new fuel tank air inlet and outlet device according to claim 1, it is characterised in that：Described air cleaner
(7) it is provided with multigroup, multigroup air cleaner is arranged on admission line (6) parallel.
4. a kind of new fuel tank air inlet and outlet device according to claim 1, it is characterised in that：Described air intake valve
And drain tap (4) is turnover plate type valve (5).
5. a kind of new fuel tank air inlet and outlet device according to claim 4, it is characterised in that：Described turnover plate type valve
It is made up of valve body, turnover panel, rotating shaft and display pole, valve is embedded on discharge duct (2) or admission line (6), valve body and exhaust
The outer peripheral face sealing of pipeline (2) or admission line (6) is connected, and one and discharge duct (2) or admission line (6) are connected on valve body
The rotating shaft of axis perpendicular, a rotating shaft part is in valve body, and another part is in outside valve body, and rotating shaft is in the part outside valve body
Be connected a display pole, and the connected turnover panel in the part that rotating shaft is in valve body, turnover panel rotates in the presence of the air pressure difference of both sides
Axle rotates, and covers discharge duct (2) and opens admission line (6), be i.e. drain tap (4) closing, air intake valve (5) is opened；Or
Open discharge duct (2) and cover admission line (6), i.e. drain tap (4) opening, air intake valve (5) is closed.
6. a kind of new fuel tank air inlet and outlet device according to claim 5, it is characterised in that：Described is embedded in exhaust
Valve body one end in pipeline (2) or admission line (6) is fixed with sealing ring and is engaged with the end face of turnover panel.
7. a kind of new fuel tank air inlet and outlet device according to claim 5, it is characterised in that：The installation of described turnover panel
Direction and vertical plane angle are 25 °, with vertical direction angle are 80 °~90 ° during opening, are with vertical direction angle during closing
25°。
8. a kind of new fuel tank enters discharge method, it is characterised in that：The side cylinder of metal extrusion press is piston cylinder, and master cylinder is plunger
Cylinder, when metal extrusion press idle running is advanced, side cylinder drives master cylinder, and master cylinder passively advances, and side cylinder passes through topping up by main pump fuel feeding, master cylinder
Valve (3) is connected with fuel tank (1), and replenishing valve (3) is opened, and fuel tank (1) gives master cylinder fluid infusion, and fuel tank (1) liquid level declines, in fuel tank (1)
Air pressure is reduced, and under external atmosphere pressure effect, air intake valve (5) is automatically opened up, and drain tap (4) is closed automatically, and air is successively
By air cleaner (7), admission line (6), air intake valve (5) automatically into fuel tank；When metal extrusion press idle running is retreated, fill
Liquid valve (3) is opened, and master cylinder is by replenishing valve (3) to fuel tank (1) discharge opeing, and fuel tank liquid (1) position rises, the interior air pressure rise of fuel tank (1),
Drain tap (4) is automatically opened up, and air intake valve (5) is closed automatically, and fuel tank (1) interior air passes through drain tap (4) and blast pipe
Road (2) is drained into outside workshop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710638828.3A CN107269600A (en) | 2017-07-31 | 2017-07-31 | A kind of new fuel tank air inlet and outlet device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710638828.3A CN107269600A (en) | 2017-07-31 | 2017-07-31 | A kind of new fuel tank air inlet and outlet device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107269600A true CN107269600A (en) | 2017-10-20 |
Family
ID=60075916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710638828.3A Pending CN107269600A (en) | 2017-07-31 | 2017-07-31 | A kind of new fuel tank air inlet and outlet device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269600A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201292866Y (en) * | 2008-10-13 | 2009-08-19 | 山东鲁西化工股份有限公司东阿第八化肥厂 | Circuit breaking prevention high level oil tank device |
| CN201520072U (en) * | 2009-09-23 | 2010-07-07 | 深圳市格雷柏机械有限公司 | Prepressing packing press preoiling tank automatic pressure supply device |
| CN202862614U (en) * | 2012-09-11 | 2013-04-10 | 天津市天锻压力机有限公司 | Hydraulic machine capable of relieving pressure quick and saving energy |
| CN103342002A (en) * | 2013-07-01 | 2013-10-09 | 武昌船舶重工有限责任公司 | Oil press failure monitoring system and processing method thereof |
| CN203394897U (en) * | 2013-08-02 | 2014-01-15 | 河南省杜甫机械制造有限公司 | Novel oil tank device of hydraulic machine |
| CN104989686A (en) * | 2015-07-08 | 2015-10-21 | 合肥工业大学 | Hydraulic unit achieving mutual potential energy utilization in pairing manner and driving manner thereof |
| CN207093475U (en) * | 2017-07-31 | 2018-03-13 | 中国重型机械研究院股份公司 | A kind of new fuel tank air inlet and outlet device |
-
2017
- 2017-07-31 CN CN201710638828.3A patent/CN107269600A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201292866Y (en) * | 2008-10-13 | 2009-08-19 | 山东鲁西化工股份有限公司东阿第八化肥厂 | Circuit breaking prevention high level oil tank device |
| CN201520072U (en) * | 2009-09-23 | 2010-07-07 | 深圳市格雷柏机械有限公司 | Prepressing packing press preoiling tank automatic pressure supply device |
| CN202862614U (en) * | 2012-09-11 | 2013-04-10 | 天津市天锻压力机有限公司 | Hydraulic machine capable of relieving pressure quick and saving energy |
| CN103342002A (en) * | 2013-07-01 | 2013-10-09 | 武昌船舶重工有限责任公司 | Oil press failure monitoring system and processing method thereof |
| CN203394897U (en) * | 2013-08-02 | 2014-01-15 | 河南省杜甫机械制造有限公司 | Novel oil tank device of hydraulic machine |
| CN104989686A (en) * | 2015-07-08 | 2015-10-21 | 合肥工业大学 | Hydraulic unit achieving mutual potential energy utilization in pairing manner and driving manner thereof |
| CN207093475U (en) * | 2017-07-31 | 2018-03-13 | 中国重型机械研究院股份公司 | A kind of new fuel tank air inlet and outlet device |
Non-Patent Citations (3)
| Title |
|---|
| 中华人民共和国物资部机械设备成套管理局等: "全国阀门实用技术手册", 30 June 1992, 浙江科学技术出版社, pages: 518 - 519 * |
| 李华升等: "核电厂核级阀门介绍和运行经验", 30 November 2016, 中国原子能出版社, pages: 20 * |
| 李壮云: "中共机械设计大典 第5卷 机械控制系统设计", 31 January 2002, 江西科学技术出版社, pages: 692 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203230922U (en) | Waterproof type electromagnetic valve | |
| CN203214924U (en) | Filtering and pollution discharging ball valve | |
| CN207093475U (en) | A kind of new fuel tank air inlet and outlet device | |
| CN201748001U (en) | Withdrawable pressure reducing valve | |
| CN107269600A (en) | A kind of new fuel tank air inlet and outlet device and method | |
| CN206802319U (en) | A kind of Novel filtration stop valve | |
| CN105952939B (en) | A kind of modified double containment air bleeding valve | |
| CN205978620U (en) | Two sides business turn over water soft water valve | |
| CN207034326U (en) | A kind of underground heat ball-valve dedicated | |
| CN206386488U (en) | A kind of stop valve with filter | |
| CN109751500A (en) | A kind of large-sized unit oil universal fortune filter | |
| CN205954726U (en) | Inhale auto -change over device that sand tube was said | |
| CN211435347U (en) | Equipment integrating check valve, filter and expansion tank | |
| CN208900260U (en) | A kind of fuel filter | |
| CN208685567U (en) | A kind of hydraulic headstock gear emergency start auxiliary device | |
| CN206535274U (en) | It is easy to the fore filter for cleaning and dismantling | |
| CN208340290U (en) | A kind of cement grinding aid filter device | |
| CN206175379U (en) | Hydro -cylinder lid unloads oil pipe way, injection molding machine hydro -cylinder lid and injection molding machine hydro -cylinder | |
| CN106090308A (en) | Bilateral Inlet and outlet water soft water valve | |
| CN208057370U (en) | A kind of deacidification tank on vacuum pump | |
| CN108266297A (en) | A kind of automobile fuel oil filter | |
| CN206111466U (en) | Photovoltaic layer press EVA filter equipment | |
| CN109353450A (en) | A kind of ship emergency drainage device and method | |
| CN203335947U (en) | Swing check valve with filtering mechanism | |
| CN208252855U (en) | A kind of hydraulic control one-way valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |