CN104047762B - Gas engine anti-explosion valve - Google Patents
Gas engine anti-explosion valve Download PDFInfo
- Publication number
- CN104047762B CN104047762B CN201410265497.XA CN201410265497A CN104047762B CN 104047762 B CN104047762 B CN 104047762B CN 201410265497 A CN201410265497 A CN 201410265497A CN 104047762 B CN104047762 B CN 104047762B
- Authority
- CN
- China
- Prior art keywords
- retardant
- seat board
- flame
- case
- gas engine
- 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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Links
- 238000004880 explosion Methods 0.000 title abstract 5
- 239000003063 flame retardant Substances 0.000 claims description 94
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 63
- 230000000979 retarding effect Effects 0.000 abstract 3
- 239000007789 gas Substances 0.000 description 34
- 239000002737 fuel gas Substances 0.000 description 20
- 238000003825 pressing Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Safety Valves (AREA)
Abstract
The invention provides a gas engine anti-explosion valve, belongs to the technical field of machinery, and solves the potential safety hazard problem of the existing anti-explosion valve. The gas engine anti-explosion valve comprises a base plate and a panel parallelly arranged above the base plate, wherein the base plate and the panel are fixedly connected, an inner inflaming retarding device, an outer inflaming retarding device, a valve plate, a spring and a housing are fixedly arranged between the base plate and the panel, the housing is leant on the base plate, a cavity for mounting the inner and outer inflaming retarding devices, the valve plate and the spring is formed between the housing and the base plate, and a bulged exhaust part is formed on the side part of the housing and is provided with a vent communicated with the cavity. The gas engine anti-explosion valve has the advantage of high safety.
Description
Technical field
The invention belongs to field of mechanical technique, it is related to a kind of explosion-proof valve, more particularly, to a kind of gas engine explosion-proof valve.
Background technology
Gas engine is to be burnt by the conveying natural gas into admission line or artificial coal gas generation power workmanship, can
For promoting automobile and steamer walking and driving electrical power generators.The fuel gas such as natural gas can produce larger in course of conveying
Pressure, if these fuel gas leak from gas engine admission line, run into thermal source in atmosphere, easily cause combustion
Burn it is therefore desirable to setting explosion-proof valve to carry out releasing pressure automatically on gas engine admission line.
As Chinese patent discloses a kind of explosion-proof valve [application number: 200810061321.7；Notification number:
Cn101275487a], including panel, seat board and interior flame-retardant device, three forms valve pocket, is provided with and forms sealing with seat board in valve pocket
Valve plate, be provided with spring between panel and valve plate, be further fixed on outer flame-retardant device between panel and seat board, outer flame-retardant device and interior
If flame-retardant device forms after alternately being placed and be layering by the circular flame-retardant device piece positive and negative of dry tablet, in flame-retardant device piece just
Face forms some with front phase poststack and connects valve pocket and extraneous passage, and every passage at least bends twice.This explosion-proof valve
Can be applicable on crank case of internal combustion engine, by interior flame-retardant device and outer flame-retardant device extend flame and air-flow flow through distance it is ensured that
Flame extinguishes completely in explosion-proof valve and weakens the high pressure draught of generation.
However, though the internal structure of this explosion-proof valve has the effect weakening high pressure draught, due to panel and seat board it
Between open wide completely, result in after high pressure fuel gas weakens and still can discharge to the air of surrounding, there is certain safety
Hidden danger.When the concentration of the high pressure fuel gas after weakening reaches certain numerical value, still can initiation fire, to personal property pacify
Entirely cause certain damage.
Content of the invention
The purpose of the present invention be for prior art exist the problems referred to above it is proposed that one kind is applied on gas engine and pacifies
The complete higher gas engine explosion-proof valve of property.
The purpose of the present invention can be realized by following technical proposal: a kind of gas engine explosion-proof valve, including seat board and flat
Row is arranged at the panel above seat board, and described seat board and panel are fixedly connected with and are fixed with interior fire-retardant between seat board and panel
Device, outer flame-retardant device, valve plate and spring it is characterised in that being further fixed on case between described panel and seat board, described case
It is resisted against on seat board and is formed between the two the cavity for installing above-mentioned internal resistance burner, outer flame-retardant device, valve plate and spring, described
Case sidepiece there is the exhaust portion of protrusion, described exhaust portion is offered the air vent being connected with above-mentioned cavity.
During work, thermal-flame and high pressure fuel gas act on and on valve plate push up spring upwards, thermal-flame and high pressure
Gas enters in cavity, when thermal-flame is extinguished completely after interior flame-retardant device and outer flame-retardant device, and with high temperature
The high pressure fuel gas that flame together enters then outwards spreads through outer flame-retardant device, due to being fixed with case between seat board and panel,
Case is resisted against on seat board, and therefore high pressure fuel gas is stopped by be connected with the seat board side wall of formed housing of case.With
When again because be connected with the seat board sidepiece of formed housing of case has exhaust portion, exhaust portion has air vent, then pass through
Exhaust portion is connected with a discharge duct, just the high pressure fuel gas in case can be discharged into safety area.
In above-mentioned gas engine explosion-proof valve, described seat board is in annular, and described envelope surface is rounded, described
Case sidepiece has the annular flange being turned over downwards from its marginal surface, and described seat board surface has the positioning seat of annular, institute
The annular flange stated is resisted against on positioning seat, and described exhaust portion is outwardly from the sidepiece of annular flange.
The annular flange of case sidepiece is resisted against on the positioning seat on seat board surface, makes seat board and case by annular flange
Between form cavity except exhaust portion outer closure, and exhaust portion is outwardly from the sidepiece of annular flange, so guarantee high pressure
Fuel gas can only discharge from exhaust portion.
In above-mentioned gas engine explosion-proof valve, as another kind of situation, described seat board is in annular, described case table
Face is rounded, and described seat board is identical with the external diameter of case, and described seat board sidepiece has the annular flipping up from its surface
Flange one, the sidepiece of described annular flange one has the connecting portion one of protrusion, described case sidepiece have from its surface to
The annular flange two of lower turnover, the sidepiece of described annular flange two has a connecting portion two of protrusion, described annular flange one
Lean with annular flange two and connecting portion one forms above-mentioned exhaust portion with connecting portion two.
The annular flange one of case sidepiece is leant with the annular flange two of seat board sidepiece and connecting portion one and connecting portion two
Forming exhaust portion, so that forming the closed cavity in addition to exhaust portion between case and seat board, turning over annular in annular flange one
In the presence of side two, high pressure fuel gas is limited in this closed cavity, cannot discharge in addition to exhaust portion.
In above-mentioned gas engine explosion-proof valve, the center of described envelope surface has a through hole, the side of described panel
Edge is fixedly connected with envelope surface, and described one end of spring is connected with valve plate, and the other end of described spring is from envelope surface
Through hole is stretched out and is connected with the center of panel.
Initial condition, valve plate is pressed in seat board surface under elastic force effect by spring, when operating, in thermal-flame and high pressure
In the presence of fuel gas, valve plate is backed down upwards, the spring on valve plate is subject to the active force of this jack-up to push up upwards, spring
The center of panel is pushed up by through hole that the other end then stretches out envelope surface upwards.
In above-mentioned gas engine explosion-proof valve, described outer flame-retardant device and interior flame-retardant device all in annular, described extrernal resistance
The internal diameter of burner is more than the external diameter of interior flame-retardant device, is provided with interior fire-retardant ring between described interior flame-retardant device and outer flame-retardant device, described
It is additionally provided with outer fire-retardant ring, described interior fire-retardant ring is distributed with some leading in circular hole with outer fire-retardant ring surface outside outer flame-retardant device
Pore.
Thermal-flame after interior flame-retardant device, can be broken up by interior fire-retardant ring by thermal-flame, the high temperature after so being broken up
Flame just can be extinguished completely after the effect through outer flame-retardant device again, and gas then discharges from outer fire-retardant ring.
In above-mentioned gas engine explosion-proof valve, the longitudinal section of described exhaust portion is square, and described exhaust portion is distributed
There are some connecting holes.Connecting hole in exhaust portion is used for being connected with pipe, by the pipe that is connected in exhaust portion by explosion-proof valve
Interior high pressure fuel gas is discharged into safety area and is processed.
In above-mentioned gas engine explosion-proof valve, described air vent is square.
Compared with prior art, this gas engine explosion-proof valve has the advantage that
1st, this gas engine explosion-proof valve by between panel and seat board setting case stop high pressure fuel gas to around
Bleed around, using the exhaust portion with air vent that case sidepiece protrudes, high pressure fuel gas be emitted into safety area,
There is higher safety, can preferably eliminate the caused potential safety hazard of high pressure fuel gas diffusion and to guarantee person wealth
The safety produced；
2nd, the internal structure of this gas engine explosion-proof valve is identical with common explosion-proof valve, same with outer flame-retardant device using interior flame-retardant device
Thermal-flame can be extinguished in explosion-proof valve by sample completely, further, since increased the aerofluxuss of a band only between panel and seat board
The case in portion, relatively simple for structure, in addition to gas engine, can equally be well applied to gas pipelines such as oil, feed channel or poisonous, sour
Pressure pipeline and harmful gass storage tank etc., the therefore suitability are also relatively wider.
Brief description
Fig. 1 is the sectional view of this gas engine explosion-proof valve.
Fig. 2 is the top view of this gas engine explosion-proof valve.
Fig. 3 is the sectional view at case in this gas engine explosion-proof valve.
Fig. 4 is the schematic diagram of interior flame-retardant device in this gas engine explosion-proof valve.
Fig. 5 is the exploded view of interior flame-retardant device in this gas engine explosion-proof valve.
Fig. 6 is the schematic diagram of this gas engine explosion-proof valve China and foreign countries flame-retardant device.
Fig. 7 is the exploded view of this gas engine explosion-proof valve China and foreign countries flame-retardant device.
Fig. 8 is the top view of valve plate and sectional view in this gas engine explosion-proof valve.
In figure, 1, seat board；2nd, panel；3rd, interior flame-retardant device；4th, outer flame-retardant device；5th, valve plate；6th, spring；7th, case；8th, cavity；
9th, exhaust portion；10th, air vent；11st, annular flange；12nd, positioning seat；13rd, interior fire-retardant ring；14th, bolt；15th, sealing ring；16th, interior
Fire-retardant pressing plate；17th, outer fire-retardant pressing plate；18th, outer fire-retardant ring；19th, rivet.
Specific embodiment
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 8, a kind of gas engine explosion-proof valve, including the seat board 1 in annular and parallel set
It is placed in the panel 2 of seat board 1 top, between seat board 1 and panel 2, is fixed with case 7, the edge of panel 2 passes through spiral shell with case 7 surface
Nail is fixedly connected with.Case 7 surface is rounded, and case 7 sidepiece has the annular flange 11 being turned over downwards from its marginal surface, seat board 1
Surface has the positioning seat 12 of annular, and annular flange 11 is resisted against on positioning seat 12, and forms cavity between case 7 and seat board 1
8.The sidepiece of annular flange 11 has outwardly exhaust portion 9, and exhaust portion 9 surface is provided with and is formed and case 7 and seat board 1 between
The air vent 10 that communicates of cavity 8.In the present embodiment, the longitudinal section of exhaust portion 9 is square, if exhaust portion 9 surface distributed has
Dry connecting hole, and air vent 10 is square.
It is fixed with interior flame-retardant device 3, outer flame-retardant device 4, interior flame-retardant device 3 is with outward in the cavity 8 being formed between case 7 and seat board 1
All in annular, the internal diameter that outer flame-retardant device 4 is enclosed within the outer and outer flame-retardant device 4 of interior flame-retardant device 3 is more than interior flame-retardant device 3 to flame-retardant device 4, including
It is cased with poroid interior fire-retardant ring 13, outer flame-retardant device 4 is externally provided with outer fire-retardant ring 18, interior fire-retardant ring between flame-retardant device 3 and outer flame-retardant device 4
13 with outer fire-retardant ring 18 on be distributed with some passages in circular hole, interior fire-retardant ring 13 is with outer fire-retardant ring 18 all by once
Punch forming.As shown in figure 5, interior flame-retardant device is equipped with interior fire-retardant pressing plate 16 about 3, case 7, interior fire-retardant pressing plate 16, interior fire-retardant
Device 3 and seat board 1 are mutually fixed by bolt 14.It is additionally provided with valve plate 5 and spring 6, spring 6 is tapered, case 7 surface in cavity 8
Center there is through hole, the big end of spring 6 and valve plate 5 are connected, and the small end of spring 6 stretches out through hole and the face on case 7 surface
The center of plate 2 is connected.It is provided with sealing ring 15, under the elastic force of spring 6 acts on, valve plate 5 is crushed between valve plate 5 and seat board 1
Seat board 1 surface simultaneously forms sealing by sealing ring 15.
As shown in Figure 4 and Figure 6, interior flame-retardant device 3 and the bulk all in integral type for the outer flame-retardant device 4, interior flame-retardant device 3 is by some interior
Formed with rivet after flame-retardant device piece punching press, outer flame-retardant device 4 is also formed with rivet by after some outer flame-retardant device piece punching presses,
Another patent name that the fire-fighting principle of interior flame-retardant device piece and outer flame-retardant device piece can refer to the applicant is explosion-proof valve [patent
Number: the structure in 200810061321.7], here is omitted.As shown in fig. 7, outer flame-retardant device be also equipped with about 4 outer fire-retardant
Pressing plate 17, outer fire-retardant pressing plate 17 is provided with screw, outer flame-retardant device 4 can be pressed on seat board 1 by tightening screw.
This gas engine explosion-proof valve is arranged on the admission line of gas engine, before use by the exhaust portion 9 of case 7 sidepiece with
The pipeline of one aerofluxuss is connected.When not working, under the elastic force of spring 6 acts on, valve plate 5 is crushed on seat board 1 and forms sealing.
During work, in the presence of thermal-flame and high pressure fuel gas, valve plate 5 is backed down upwards, thermal-flame and high pressure
Fuel gas enters in the cavity 8 between case 7 and seat board 1, and thermal-flame is through interior flame-retardant device 3, interior fire-retardant ring 13, outer fire-retardant
It is extinguished completely after the effect of device 4.And high pressure fuel gas is then through interior flame-retardant device 3, interior fire-retardant ring 13 and outer flame-retardant device 4, outer
Fire-retardant ring 18 flows outwardly, because the effect of case 7 sidepiece annular flange 11 is so that high pressure fuel gas is closed in case 7
It is impossible to spread to surrounding in the cavity 8 being formed and seat board 1 between, simultaneously because the exhaust portion 9 of case 7 sidepiece and aerofluxuss
Pipeline is connected, and the air vent 10 in exhaust portion 9 is communicated with the cavity 8 being formed between case 7 and seat board 1, and therefore high pressure is flammable
Gas can be by being discharged to safety area from air vent 10, thus eliminating the peace that high pressure fuel gas spreads to surrounding and brings
Full hidden danger it is ensured that gas engine normal using and personal property safety.
Embodiment two
The present embodiment is essentially identical with the structure of embodiment one and principle, and difference is: in the present embodiment, seat board 1 is in
Annular, case 7 surface is rounded, and seat board 1 is identical with the external diameter of case 7, and seat board 1 sidepiece has and flips up from its surface
Annular flange one, the sidepiece of annular flange one has the connecting portion one of protrusion, and case 7 sidepiece has and is turned over downwards from its surface
Annular flange two, the sidepiece of annular flange two has the connecting portion two of protrusion, annular flange one lean with annular flange two and
Connecting portion one and connecting portion two form above-mentioned exhaust portion 9.
Specific embodiment described herein is only explanation for example to present invention spirit.The affiliated technology of the present invention is led
The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment
Generation, but the spirit without departing from the present invention or surmount scope defined in appended claims.
Claims (6)
1. a kind of gas engine explosion-proof valve, including seat board (1) and be set in parallel in panel (2) above seat board (1), described seat
Plate (1) and panel (2) are fixedly connected with and are fixed with interior flame-retardant device (3), outer flame-retardant device (4), valve between seat board (1) and panel (2)
Plate (5) and spring (6) it is characterised in that being further fixed on case (7) between described panel (2) and seat board (1), described cover
Shell (7) is resisted against seat board (1) above and is formed for installing above-mentioned internal resistance burner (3), outer flame-retardant device (4), valve plate (5) between the two
And the cavity (8) of spring (6), described case sidepiece has the exhaust portion (9) of protrusion, described exhaust portion (9) offers
The air vent (10) being connected with above-mentioned cavity (8), the center on described case (7) surface has a through hole, described panel
(2) edge is fixedly connected with case (7) surface, and described one end of spring (6) is connected with valve plate (5), described spring (6)
The through hole from case (7) surface for the other end is stretched out and is connected with the center of panel (2).
2. gas engine explosion-proof valve according to claim 1 is it is characterised in that described seat board (1) is in annular, described
Case (7) surface is rounded, and described case (7) sidepiece has the annular flange (11) being turned over downwards from its marginal surface, institute
Seat board (1) surface stated has the positioning seat (12) of annular, and described annular flange (11) is resisted against on positioning seat (12), described
Exhaust portion (9) outwardly from the sidepiece of annular flange (11).
3. gas engine explosion-proof valve according to claim 1 is it is characterised in that described seat board (1) is in annular, described
Case (7) surface is rounded, and described seat board (1) is identical with the external diameter of case (7), and described seat board (1) sidepiece has from it
The annular flange one that surface flips up, the sidepiece of described annular flange one has a connecting portion one of protrusion, described case
(7) sidepiece has the annular flange two being turned over downwards from its surface, and the sidepiece of described annular flange two has the connection of protrusion
Portion two, described annular flange one leans with annular flange two and connecting portion one forms above-mentioned exhaust portion with connecting portion two
(9).
4. the gas engine explosion-proof valve according to claim 1 or 2 or 3 it is characterised in that described outer flame-retardant device (4) with interior
All in annular, the internal diameter of described outer flame-retardant device (4) is more than the external diameter of interior flame-retardant device (3) to flame-retardant device (3), and described is interior fire-retardant
It is provided with interior fire-retardant ring (13) between device (3) and outer flame-retardant device (4), outside described outer flame-retardant device (4), be additionally provided with outer fire-retardant ring (18),
Described interior fire-retardant ring (13) and outer fire-retardant ring (18) surface are distributed with some passages in circular hole.
5. the gas engine explosion-proof valve according to claim 1 or 2 or 3 is it is characterised in that described the vertical of exhaust portion (9) cuts
Face is square, and some connecting holes is distributed with described exhaust portion (9).
6. the gas engine explosion-proof valve according to claim 1 or 2 or 3 is it is characterised in that described air vent (10) is in side
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265497.XA CN104047762B (en) | 2013-12-27 | 2014-06-13 | Gas engine anti-explosion valve |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013107392146 | 2013-12-27 | ||
| CN201310739214.6 | 2013-12-27 | ||
| CN201310739214.6A CN103670709A (en) | 2013-12-27 | 2013-12-27 | Explosion-proof valve of gas combustor |
| CN201410265497.XA CN104047762B (en) | 2013-12-27 | 2014-06-13 | Gas engine anti-explosion valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104047762A CN104047762A (en) | 2014-09-17 |
| CN104047762B true CN104047762B (en) | 2017-01-18 |
Family
ID=50309338
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310739214.6A Pending CN103670709A (en) | 2013-12-27 | 2013-12-27 | Explosion-proof valve of gas combustor |
| CN201420316733.1U Withdrawn - After Issue CN204024858U (en) | 2013-12-27 | 2014-06-13 | A kind of gas engine explosion-proof valve |
| CN201410265497.XA Active CN104047762B (en) | 2013-12-27 | 2014-06-13 | Gas engine anti-explosion valve |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310739214.6A Pending CN103670709A (en) | 2013-12-27 | 2013-12-27 | Explosion-proof valve of gas combustor |
| CN201420316733.1U Withdrawn - After Issue CN204024858U (en) | 2013-12-27 | 2014-06-13 | A kind of gas engine explosion-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN103670709A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670709A (en) * | 2013-12-27 | 2014-03-26 | 李潘宝 | Explosion-proof valve of gas combustor |
| CN104033296A (en) * | 2014-06-13 | 2014-09-10 | 广东宾士动力科技有限公司 | Explosion-proof pressure-relief valve for gas engine |
| CN112116787B (en) * | 2020-09-01 | 2022-04-12 | 水木鸟(重庆)安全技术有限公司 | Gas detection alarm control system of Internet of things |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2816388Y (en) * | 2005-05-19 | 2006-09-13 | 潍坊潍柴培新气体发动机有限公司 | Blasting proof valve of gas engine |
| CN2913630Y (en) * | 2005-12-29 | 2007-06-20 | 汤洪辉 | Gas engine |
| CN101275487B (en) * | 2008-04-22 | 2011-11-16 | 李潘宝 | Explosion-proof valve |
| KR100928079B1 (en) * | 2009-08-31 | 2009-11-25 | 박수건 | Maze type relief valve with flame arrester for a crankcase |
| CN102174915B (en) * | 2011-02-15 | 2012-10-31 | 徐庆玉 | Automobile gas supply system with air-quantity-adjustable and tempering-explosion-proof device |
| CN202370652U (en) * | 2011-12-21 | 2012-08-08 | 潍坊市三立科技动力有限公司 | Gas engine |
| CN103670709A (en) * | 2013-12-27 | 2014-03-26 | 李潘宝 | Explosion-proof valve of gas combustor |
-
2013
- 2013-12-27 CN CN201310739214.6A patent/CN103670709A/en active Pending
-
2014
- 2014-06-13 CN CN201420316733.1U patent/CN204024858U/en not_active Withdrawn - After Issue
- 2014-06-13 CN CN201410265497.XA patent/CN104047762B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103670709A (en) | 2014-03-26 |
| CN204024858U (en) | 2014-12-17 |
| CN104047762A (en) | 2014-09-17 |
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Effective date of registration: 20220324 Address after: 317602 Room 102, building 4, Dacheng Li'ao Industrial Park, Kanmen street, Yuhuan City, Taizhou City, Zhejiang Province Patentee after: Taizhou Flow Control Co.,Ltd. Address before: 317602 Taizhou Saite fluid control Co., Ltd., No. 1-24, Kanmen playground Road, Yuhuan County, Taizhou City, Zhejiang Province Patentee before: Li Panbao |
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Denomination of invention: A gas engine explosion-proof valve Effective date of registration: 20230830 Granted publication date: 20170118 Pledgee: Taizhou Yuhuan sub branch of Zhejiang Tailong Commercial Bank Co.,Ltd. Pledgor: Taizhou Flow Control Co.,Ltd. Registration number: Y2023980054538 |
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