CN102116411A - Gas decompressor - Google Patents
Gas decompressor Download PDFInfo
- Publication number
- CN102116411A CN102116411A CN2009102653707A CN200910265370A CN102116411A CN 102116411 A CN102116411 A CN 102116411A CN 2009102653707 A CN2009102653707 A CN 2009102653707A CN 200910265370 A CN200910265370 A CN 200910265370A CN 102116411 A CN102116411 A CN 102116411A
- Authority
- CN
- China
- Prior art keywords
- high pressure
- gas
- air inlet
- pressure valve
- air
- 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.)
- Granted
Links
- 239000003638 chemical reducing agent Substances 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000006837 decompression Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 26
- 230000001681 protective effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Landscapes
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Details Of Valves (AREA)
Abstract
The invention provides a gas decompressor. The gas decompressor comprises a body, and a gas inlet mechanism, a decompressor mechanism, a pressure gage, and a gas outlet mechanism which are connected with the body; and a protection device for preventing gas from leaking is arranged in the gas inlet mechanism and the gas outlet mechanism respectively. The gas decompressor is connected with a gas source, gas enters a high-pressure piston through a high-pressure piston filter, and a plurality of leakage control devices, such as a high-pressure nozzle leakage control cushion arranged between a high-pressure nozzle and a high-pressure piston seat, and the like are arranged, so that when the gas decompressor performs decompression on hyperpure gas or corrosive gas, the problem of leakage cannot be considered, and the gas decompressor is safe and reliable in use.
Description
Technical field
The present invention relates to a kind of gas pressure reducer.
Background technique
Gas pressure reducer is a kind of gas in the gas cylinder to be reduced pressure and the device of Flow-rate adjustment.The kind of gas pressure reducer is a lot, be used in different places, during gas with various, requirement to decompressor is also different, when the gas of needs decompression is hyperpure gas or corrosive gas, just need gas pressure reducer can not produce any leakage, special leakage preventer must be arranged, to guarantee the purity of Security and post-decompression gas.
Summary of the invention
In order to solve above prior art problems, the objective of the invention is to provide a kind of all gases that is applicable to be particularly useful for the gas pressure reducer of hyperpure gas or corrosive gas, special anti-leakage mechanism is arranged.
Technological scheme of the present invention is: a kind of gas pressure reducer, and comprise body, be connected admission gear, the mechanism of decompressor, pressure gauge and air-out mechanism on the body, in admission gear and the air-out mechanism air escape protection unit is set.Air escape protection unit also is set in the mechanism of decompressor.
Described admission gear comprises air inlet extension bar, air inlet screen, air inlet nut, air inlet nut protection plug; the air inlet extension bar is screwed onto on the body; the air inlet spiro cap is located on the air inlet extension bar; the inlet end of air inlet extension bar is provided with air inlet screen and air inlet nut protection plug, and the wheel leakage protective protective gear is an air inlet nut protection plug.Air inlet nut protection plug is to be used to prevent that the air inlet extension bar from connecting gas leakage.
Described air-out mechanism comprises giving vent to anger and switches through head, connecting base, attachment cap, air outlet protection pad and the nut of giving vent to anger; the first head of the switching of giving vent to anger is spirally connected on the body; the other end nut of giving vent to anger that is spirally connected; set gradually air outlet protection pad, connecting base, attachment cap between the conversion adapter at the nut and giving vent to anger of giving vent to anger, air escape protection unit is an air outlet protection pad.Connecting base is to be used to be connected metallic hose with attachment cap.
The described mechanism of decompressor comprises regulon successively, loam cake, the low pressure Flexible element, plunger, diaphragm block, high pressure nozzle, the high pressure valve unit, the high-pressure elastomeric unit, the high pressure piston seat, regulon passes loam cake and props up low pressure Flexible element one end, the other end of low pressure Flexible element is against on the diaphragm block, plunger passes diaphragm block, and be fastened on the diaphragm block, high pressure valve unit one end passes high pressure nozzle and is against on the plunger, the high-pressure elastomeric unit is set against on the high pressure valve unit, the part of high pressure valve unit and the high-pressure elastomeric unit that is set against are arranged on high pressure piston seat central authorities, high pressure piston seat one end penetrates high pressure nozzle and is against high pressure nozzle, and loam cake is spirally connected and is connected on the body.
The described mechanism of decompressor also comprises the high pressure piston filter, and the high pressure piston filter is arranged on an end of high pressure piston seat.High pressure piston filter filter precision is than higher, and material is that the metal powder sintered of SUS316 forms, and the order number is the 220-225 order.
Described low pressure Flexible element comprises low pressing spring and low pressing spring correcting axle, and low pressing spring correcting axle is the T type, and the sheathed and end of low pressure spring is against on the low pressing spring correcting axle of T type.
Be provided with loam cake leakproof seal circle between described loam cake and the diaphragm block.
Described diaphragm block comprises membranous disc, diaphragm and leakproof film successively from low beginning of pressing spring, and membranous disc props up an end of low pressing spring.Diaphragm block has increased leakproof film, has further increased the leak resistance of decompressor.
Be provided with the anti-drain gasket of high pressure nozzle between described high pressure nozzle and the high pressure piston seat.
Described high pressure valve unit comprises high pressure valve axle, high pressure valve spindle guide sheet, high pressure valve axle pad sheet, and high pressure valve spindle guide sheet is arranged between nozzle and the high pressure valve shaft, the fixing position of high pressure valve shaft, and the high pressure valve pad is arranged between high pressure spring and the high pressure valve shaft.
Beneficial effect of the present invention is:
Gas pressure reducer of the present invention is connected with source of the gas, gas enters high pressure piston by the high pressure piston filter, and a plurality of leakage protection devices are arranged, prevent drain gasket etc. as the high pressure nozzle between high pressure nozzle and the high pressure piston seat, when making gas pressure reducer decompression hyperpure gas or corrosive gas, do not worry the problem of leaking, use more safe and reliable.
Description of drawings
Fig. 1 is embodiment's a decomposition texture schematic representation;
Fig. 2 is embodiment's a cross-sectional view;
Fig. 3 is embodiment's a schematic appearance.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of gas pressure reducer comprises body 1, is connected admission gear, the mechanism of decompressor, pressure gauge and air-out mechanism on the body.Be provided with air escape protection unit in admission gear, air-out mechanism, the mechanism of decompressor.
Admission gear comprises air inlet extension bar 5, air inlet screen 6, air inlet nut 2, air inlet nut protection plug 3; air inlet extension bar 5 is screwed onto on the body 1; the inlet end of air inlet extension bar 5 is provided with air inlet screen 6; air inlet screen 6 is arranged in the air inlet extension bar 5 by air inlet screen clasp 4; air inlet screen 6 is a stainless steel sintering filter screen, and the inlet end of air inlet extension bar 5 is provided with air inlet nut 2 and air inlet nut protection plug 3.Air inlet nut protection plug 3 is an air escape protection unit.
Air-out mechanism comprise give vent to anger switch through 32, connecting base 35, attachment cap 36, air outlet protection pad 34 and the nut 33 of giving vent to anger; 32 1 of the conversion adapters of giving vent to anger are spirally connected on the body 1; the other end nut 33 of giving vent to anger that is spirally connected is being given vent to anger nut 33 and give vent to anger and set gradually air outlet protection pad 34, connecting base 35, attachment cap 36 between the conversion adapter 32.Air outlet protection pad 34 is an air escape protection unit.
The mechanism of decompressor comprises regulon successively, loam cake 22, the low pressure Flexible element, plunger 17, diaphragm block, high pressure nozzle 15, the high pressure valve unit, the high-pressure elastomeric unit, the high-pressure elastomeric unit is a high pressure spring 11, high pressure piston seat 9, high pressure piston filter 10, regulon passes loam cake 22 and props up low pressure Flexible element one end, the other end of low pressure Flexible element is against on the diaphragm block, plunger 17 passes diaphragm block, and be fastened on the diaphragm block by plunger hold-doun nut 21, high pressure valve unit one end passes high pressure nozzle 15 and is against on the plunger 17, plunger 17 is the T type, high pressure spring 11 is set against on the high pressure valve unit, the part of high pressure valve unit and the high pressure spring 11 that is set against are arranged on high pressure piston seat 9 central authorities, high pressure piston seat 9 one ends penetrate high pressure nozzle 15 and are against on the high pressure nozzle 15, loam cake 22 is spirally connected and is connected on the body 1, and loam cake is successively with the low pressure Flexible element simultaneously, plunger 17, diaphragm block, high pressure nozzle 15, the high pressure valve unit, the high-pressure elastomeric unit, high pressure piston seat 9 is fixed on the body 1.High pressure piston filter 10 is arranged on the end of high pressure piston seat 9 by body.
The low pressure Flexible element comprises low pressing spring 23 and low pressing spring correcting axle 24, and low pressing spring correcting axle 24 be the T type, and the sheathed and end of low pressing spring 23 is against in the T type and hangs down on the pressing spring correcting axle 24, and the other end is against on the diaphragm block.
Be provided with loam cake leakproof seal circle 25 between loam cake 22 and the diaphragm block, loam cake leakproof seal circle 25 is air escape protection units.
Diaphragm block comprises membranous disc 20, diaphragm 19 and leakproof film 18 successively from low 23 1 beginnings of pressing spring, and membranous disc 20 props up an end of low pressing spring 23.Diaphragm block has increased leakproof film 18, has further increased the leak resistance of decompressor.
Be provided with the anti-drain gasket 16 of high pressure nozzle between high pressure nozzle 15 and the high pressure piston seat 9.The anti-drain gasket 16 of high pressure nozzle also is an air escape protection unit.
The high pressure valve unit comprises high pressure valve axle 12, high pressure valve spindle guide sheet 13, high pressure valve axle pad sheet 14, high pressure valve spindle guide sheet 13 is arranged between nozzle 15 and the high pressure valve shaft 12, the fixing position of high pressure valve shaft 12, high pressure valve pad 14 is arranged between high pressure spring 11 and the high pressure valve shaft 12.
Pressure gauge is high-pressure manometer 7 and low pressure gauge 8.
Regulon comprises adjusting to be turned round handle 30, adjust screw 28, adjusts and turn round handle retaining screw 31 and adjust nut 29, adjustment is turned round handle retaining screw 31 and handle 30 is turned round in adjustment is fixed on and adjusts on the screw 28, adjust to be arranged with on the screw 28 and adjust nut 29, adjustment screw 28 passes loam cake 22 and is butted on low pressing spring correcting axle 24..
Also be provided with nut 26 and pad 27 on the loam cake 22, can make loam cake 22 well fixing.
Claims (10)
1. a gas pressure reducer is characterized in that comprising body, is connected admission gear, the mechanism of decompressor, pressure gauge and air-out mechanism on the body, is provided with air escape protection unit in admission gear and the air-out mechanism.
2. gas pressure reducer according to claim 1; it is characterized in that described admission gear comprises air inlet extension bar, air inlet screen, air inlet nut, air inlet nut protection plug; the air inlet extension bar is screwed onto on the body; the inlet end of air inlet extension bar is provided with air inlet screen; the inlet end of air inlet extension bar is provided with air inlet nut and air inlet nut protection plug, and air inlet nut protection plug is an air escape protection unit.
3. gas pressure reducer according to claim 1; it is characterized in that described air-out mechanism comprises giving vent to anger switches through head, connecting base, attachment cap, air outlet protection pad and the nut of giving vent to anger; the first head of the switching of giving vent to anger is spirally connected on the body; the other end nut of giving vent to anger that is spirally connected; set gradually air outlet protection pad, connecting base, attachment cap between the conversion adapter at the nut and giving vent to anger of giving vent to anger, the protection pad of giving vent to anger is an air escape protection unit.
4. gas pressure reducer according to claim 1, it is characterized in that the described mechanism of decompressor comprises regulon successively, loam cake, the low pressure Flexible element, plunger, diaphragm block, high pressure nozzle, the high pressure valve unit, the high-pressure elastomeric unit, the high pressure piston seat, regulon passes loam cake and props up low pressure Flexible element one end, the other end of low pressure Flexible element is against on the diaphragm block, plunger passes diaphragm block, and be fastened on the diaphragm block, high pressure valve unit one end passes high pressure nozzle and is against on the plunger, the high-pressure elastomeric unit is set against on the high pressure valve unit, the part of high pressure valve unit and the high-pressure elastomeric unit that is set against are arranged on high pressure piston seat central authorities, high pressure piston seat one end penetrates high pressure nozzle and is against high pressure nozzle, and loam cake is screwed onto on the body.
5. gas pressure reducer according to claim 4 is characterized in that the described mechanism of decompressor also comprises the high pressure piston filter, and the high pressure piston filter is arranged on an end of high pressure piston seat.
6. gas pressure reducer according to claim 5 is characterized in that described low pressure Flexible element comprises low pressing spring and low pressing spring correcting axle, and low pressing spring correcting axle is the T type, and the sheathed and end of low pressure spring is against on the low pressing spring correcting axle of T type.
7. gas pressure reducer according to claim 5 is characterized in that being provided with between described loam cake and the diaphragm block loam cake leakproof seal circle.
8. gas pressure reducer according to claim 5 is characterized in that described diaphragm block comprises membranous disc, diaphragm and leakproof film successively from low beginning of pressing spring, and membranous disc props up an end of low pressing spring.
9. gas pressure reducer according to claim 5 is characterized in that being provided with between described high pressure nozzle and the high pressure piston seat the anti-drain gasket of high pressure nozzle.
10. gas pressure reducer according to claim 5, it is characterized in that described high pressure valve unit comprises high pressure valve axle, high pressure valve spindle guide sheet, high pressure valve axle pad sheet, high pressure valve spindle guide sheet is arranged between nozzle and the high pressure valve shaft, the fixing position of high pressure valve shaft, the high pressure valve pad is arranged between high-pressure elastomeric unit and the high pressure valve shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910265370.7A CN102116411B (en) | 2009-12-30 | 2009-12-30 | Gas decompressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910265370.7A CN102116411B (en) | 2009-12-30 | 2009-12-30 | Gas decompressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102116411A true CN102116411A (en) | 2011-07-06 |
| CN102116411B CN102116411B (en) | 2014-02-26 |
Family
ID=44215299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910265370.7A Active CN102116411B (en) | 2009-12-30 | 2009-12-30 | Gas decompressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102116411B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758943A (en) * | 2012-06-27 | 2012-10-31 | 钱立民 | Two-stage type gas pressure regulator |
| CN103727278A (en) * | 2013-12-05 | 2014-04-16 | 常熟市中凯仪表有限公司 | Gas pressure reducer |
| CN104277644A (en) * | 2014-10-20 | 2015-01-14 | 苏州常熟荣大威尔科技有限公司 | Novel pressure reducer |
| CN104277662A (en) * | 2014-10-20 | 2015-01-14 | 苏州常熟荣大威尔科技有限公司 | Pressure reducer |
| CN104293113A (en) * | 2014-10-20 | 2015-01-21 | 苏州常熟荣大威尔科技有限公司 | Gas pressure reducer |
| CN104293114A (en) * | 2014-10-20 | 2015-01-21 | 苏州常熟荣大威尔科技有限公司 | Anticorrosive gas pressure reducer |
| CN104373643A (en) * | 2014-11-10 | 2015-02-25 | 徐春 | High pressure-to-low pressure air inflation nozzle |
| CN104565817A (en) * | 2014-12-04 | 2015-04-29 | 朱昀 | Pneumatic tool power supply device |
| CN105736938A (en) * | 2016-04-19 | 2016-07-06 | 宁波市江北兴达焊割减压仪表厂 | Quick-connecting type decompressor |
| CN110630792A (en) * | 2019-08-29 | 2019-12-31 | 南京伟易达机电科技发展有限公司 | Gas regulator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2172823Y (en) * | 1992-08-21 | 1994-07-27 | 殷住顺 | Automatic cutting pressure-relief valve for liquefied gas steel cylinder |
| CN2529046Y (en) * | 2002-03-21 | 2003-01-01 | 李春山 | Double-piston superhigh pressure reducer |
| CN201081086Y (en) * | 2007-09-21 | 2008-07-02 | 捷锐企业(上海)有限公司 | Argon decompressor |
| CN201339816Y (en) * | 2008-12-18 | 2009-11-04 | 宁波隆兴焊割科技股份有限公司 | Double-stage pressure reducer |
| CN201593681U (en) * | 2009-12-30 | 2010-09-29 | 林建州 | Gas pressure reducer |
-
2009
- 2009-12-30 CN CN200910265370.7A patent/CN102116411B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758943A (en) * | 2012-06-27 | 2012-10-31 | 钱立民 | Two-stage type gas pressure regulator |
| CN103727278A (en) * | 2013-12-05 | 2014-04-16 | 常熟市中凯仪表有限公司 | Gas pressure reducer |
| CN104277644A (en) * | 2014-10-20 | 2015-01-14 | 苏州常熟荣大威尔科技有限公司 | Novel pressure reducer |
| CN104277662A (en) * | 2014-10-20 | 2015-01-14 | 苏州常熟荣大威尔科技有限公司 | Pressure reducer |
| CN104293113A (en) * | 2014-10-20 | 2015-01-21 | 苏州常熟荣大威尔科技有限公司 | Gas pressure reducer |
| CN104293114A (en) * | 2014-10-20 | 2015-01-21 | 苏州常熟荣大威尔科技有限公司 | Anticorrosive gas pressure reducer |
| CN104373643A (en) * | 2014-11-10 | 2015-02-25 | 徐春 | High pressure-to-low pressure air inflation nozzle |
| CN104565817A (en) * | 2014-12-04 | 2015-04-29 | 朱昀 | Pneumatic tool power supply device |
| CN105736938A (en) * | 2016-04-19 | 2016-07-06 | 宁波市江北兴达焊割减压仪表厂 | Quick-connecting type decompressor |
| CN110630792A (en) * | 2019-08-29 | 2019-12-31 | 南京伟易达机电科技发展有限公司 | Gas regulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102116411B (en) | 2014-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102116411B (en) | Gas decompressor | |
| DK0467769T3 (en) | Pressure reduction device with gas supply adapter from high pressure vessels | |
| US9581354B2 (en) | Relief valve | |
| CN102116412B (en) | Dual-stage gas decompressor | |
| ES2553481T3 (en) | Pressure reducer, wrench and bottle provided with such a pressure reducer | |
| CN201666453U (en) | Gas pressure reducer | |
| CN201593681U (en) | Gas pressure reducer | |
| CN204879017U (en) | Be applied to pressure regulator that outlet pressure adjusted on gas pressure governing valve | |
| CN210106691U (en) | Diaphragm type safety valve | |
| CN210178941U (en) | Gas regulator suitable for low pressure gas pipe network | |
| ATE522761T1 (en) | CHECK VALVE | |
| RU150878U1 (en) | PULSE-SAFETY DEVICE | |
| CN202972300U (en) | Ultrahigh pressure detachable cone sealing pressure-measuring connector | |
| US20150267827A1 (en) | Rupture Disk Assembly | |
| MX2021010548A (en) | Valve integrated pressure regulator (vipr) for dispensing a gas from a compressed gas cylinder. | |
| CN211373905U (en) | Overpressure-preventing diaphragm capsule pressure gauge | |
| EP2656158B1 (en) | Gas flow regulator with multiple gas flow passages | |
| CN207080669U (en) | A kind of effective carbon-dioxide pressure reducer | |
| CN207830651U (en) | A kind of multi-functional gas bleeder valve | |
| CN209115757U (en) | A kind of high pressure air relief valve | |
| CN210566497U (en) | Valve assembly | |
| CN205618986U (en) | Novel gaseous pressure reducer of doublestage integral type | |
| CN209540130U (en) | The protective device of air permeability instrument | |
| CN204493822U (en) | The reduction valve of mouth pressure can be adjusted | |
| CN203614491U (en) | Direct-acting reducing valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 211316, No. 29, Jingshan East Road, Gaochun Economic Development Zone, Nanjing, Jiangsu Applicant after: Lin Jianzhou Address before: 325000, room 2, 502 overseas Chinese village of Liming street, Lucheng District, Zhejiang, Wenzhou Applicant before: Lin Jianzhou |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELO Free format text: FORMER OWNER: LIN JIANZHOU Effective date: 20150512 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150512 Address after: 211316 No. 29 East Jingshan Road, Gaochun Economic Development Zone, Jiangsu Patentee after: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 211316, No. 29, Jingshan East Road, Gaochun Economic Development Zone, Nanjing, Jiangsu Patentee before: Lin Jianzhou |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: High-flow-rate special gas pressure reducing device Effective date of registration: 20151103 Granted publication date: 20140226 Pledgee: Bank of Jiangsu Limited by Share Ltd. Gaochun branch Pledgor: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2015320000010 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20161221 Granted publication date: 20140226 Pledgee: Bank of Jiangsu Limited by Share Ltd. Gaochun branch Pledgor: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2015320000010 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: High-flow-rate special gas pressure reducing device Effective date of registration: 20170523 Granted publication date: 20140226 Pledgee: Gaochun Jiangsu rural commercial bank Limited by Share Ltd. Pledgor: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2017320000015 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180720 Granted publication date: 20140226 Pledgee: Gaochun Jiangsu rural commercial bank Limited by Share Ltd. Pledgor: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2017320000015 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: High-flow-rate special gas pressure reducing device Effective date of registration: 20180806 Granted publication date: 20140226 Pledgee: Jiangsu Gaochun Wu Jia Zui Jianxin village bank LLC Pledgor: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2018320000125 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230320 Address after: Building 2, No. 29, Jingshan East Road, Gaochun Economic Development Zone, Gaochun District, Nanjing City, Jiangsu Province, 211300 Patentee after: Nanjing Weiyida Instrument Technology Co.,Ltd. Address before: 211316 No.29, Jingshan East Road, economic development zone, Gaochun District, Jiangsu Province Patentee before: NANJING VTECH ELECTRO-MECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. |