CN201187684Y - Hydraulic type natural gas automobile air filling substation system - Google Patents
Hydraulic type natural gas automobile air filling substation system Download PDFInfo
- Publication number
- CN201187684Y CN201187684Y CNU2007201997145U CN200720199714U CN201187684Y CN 201187684 Y CN201187684 Y CN 201187684Y CN U2007201997145 U CNU2007201997145 U CN U2007201997145U CN 200720199714 U CN200720199714 U CN 200720199714U CN 201187684 Y CN201187684 Y CN 201187684Y
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- natural gas
- steel cylinder
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Abstract
The utility model relates to a natural gas fuel delivery systemic device. A hydraulic natural gas automobile gas filling substation system comprises a liquid storage tank, a hydraulic pump, a control valve and a steel cylinder component; the utility model adopts the improvement that the outlet of the hydraulic pump is communicated with the inlet of the control valve, the outlet of the control valve is communicated with a liquid charging pneumatic valve through a fast assembling connector and then communicated with the steel cylinder component, a liquid return pneumatic valve communicated with the steel cylinder component is communicated with the liquid storage tank through the fast assembling connector, a gas outlet pneumatic valve communicated with the steel cylinder component is communicated with an equipment to be filled with gas through the fast assembling connector; an oil filter connected with the liquid storage tank is also included. In the natural gas fuel delivery system, liquid is directly filled into a gas storage steel cylinder of a trailer through the high pressure hydraulic pump, and the compressed natural gas in the steel cylinder is pushed out and then filled into a gas storage bottle in a fuel locomotive through a gas filling equipment in the station. The automatic control of the whole natural gas fuel delivery system during the entire process is realized through the controller, the pressure sensor, the gas and liquid detecting device, the pneumatic actuator and the liquid level meter in the automatic control system.
Description
Technical field
The utility model relates to a kind of rock gas utilization equipment, especially relates to a kind of gas fuel conveying system device.
Background technique
Compressed natural gas (CNG) locomotive needs special-purpose fueling transporting system.This system claims the natural gas automobile secondary gas filling station system when no pipe network local construction.National patent 02803740.5 discloses this type system, it is made of many groups steel cylinder, steel cylinder is filling CNG a long way off, be transported to refuelling depot then, at the refuelling depot place hydraulic fluid is pumped into from fluid storage tanks in the end of each steel cylinder, makes CNG pass through the outlet of the other end of steel cylinder by force.CNG flows into by flexible pipe and treats in the fueling locomotive.When steel cylinder was finished emptying, the pressure in the CNG flexible pipe made waterpower liquid discharge steel cylinder by force and return in the fluid storage tanks.Though this system other CNG transporting system relatively improves to some extent, the bottle group that system adopts can't realize automatic control, needs personnel operation, complicated operating process, and also installation accessories is too much, has increased manufacture cost.
Summary of the invention
The utility model discloses a kind of new type hydraulic formula natural gas automobile secondary gas filling station, make it be provided with automatic control, can realize that a compressed natural gas (CNG) injects the automatic control of interior this overall process of air cylinder of fuel locomotive, and air displacement can be brought up to 2000Nm3/h.
The purpose of this utility model is realized by following technological scheme: this hydraulic natural gas automobile secondary gas filling station system, comprise fluid storage tanks 3, oil hydraulic pump 2, control valve 1, steel cylinder components 8, its improvements are that the outlet of described oil hydraulic pump 2 is communicated with the inlet of control valve 1, the outlet of control valve 1 is connected fluid injection pneumatic valve 4 through ready-packaged joint 22, be communicated with steel cylinder components 8 afterwards, the hydraulic pneumatic valve 6 that returns that is communicated with steel cylinder components 8 is communicated with fluid storage tanks 3 through ready-packaged joint 22, and the pneumatic valve 5 of giving vent to anger that is communicated with steel cylinder components 8 is communicated with the aerating equipment 36 for the treatment of through ready-packaged joint 22; Also comprise the oil filter 40 that is connected with fluid storage tanks 3.
Above-mentioned hydraulic natural gas automobile secondary gas filling station system, it is external that the sedimeter oil filter 40 of described system setting is installed on fluid storage tanks 3.
Above-mentioned hydraulic natural gas automobile secondary gas filling station system, described oil filter 40 comprises gear pump, is positioned at the coarse filtration device on the gear pump entrance pipe, is positioned at the fine filtering apparatus on the gear pump export pipeline.
Above-mentioned hydraulic natural gas automobile secondary gas filling station system also comprises the low pressure oil suction filter 44 of the front that is installed in oil hydraulic pump 2 and is installed in the high pressure filter 38 of the back of oil hydraulic pump 2.
Above-mentioned hydraulic natural gas automobile secondary gas filling station system also comprises the air-strainer 42 that is positioned on the fluid storage tanks 3.
Above-mentioned hydraulic natural gas automobile secondary gas filling station system also is provided with pressure transducer 16 and gas-liquid detection device 17 on the described fluid storage tanks 3.
Above-mentioned hydraulic natural gas automobile secondary gas filling station system also is provided with the heating equipment 39 that the liquid to fluid storage tanks 3 heats.
Above-mentioned hydraulic natural gas automobile secondary gas filling station system, described heating equipment is installed in the fluid storage tanks 3.
Above-mentioned hydraulic natural gas automobile secondary gas filling station system also is provided with the cooling unit that the liquid to fluid storage tanks 3 cools off.
Above-mentioned hydraulic natural gas automobile secondary gas filling station system, described cooling unit is the heat exchanger 41 that is connected on oil filter 40 and fluid storage tanks 3 connecting pipelines.
Above-mentioned hydraulic natural gas automobile secondary gas filling station system also is provided with the heating equipment 39 that the liquid to fluid storage tanks 3 heats.
This hydraulic natural gas automobile secondary gas filling station is the liquid that utilizes special nature, directly liquid is injected the gas storage steel cylinder of hydraulic natural gas automobile secondary gas filling station trailer with high-pressure hydraulic pump (pressure is not higher than 22MPa), compressed natural gas in the steel cylinder (CNG) is released, by the aerating equipment in the station compressed natural gas (CNG) is injected in the air cylinder of fuel locomotive again.On the fueling process, the medium that pumping is come out from fluid storage tanks will make the pressure in the gas cylinder keep the value of regulation regulation.When level meter detected steel cylinder and has been emptied completely CNG, controller PLC controlled pneumatic actuator, and media fluid is flowed back in the fluid storage tanks.The operation of whole system is by controller, pressure transducer, gas-liquid detection device, pneumatic actuator, the level meter of automatic control system, realized that overall process controls automatically.
Description of drawings
Fig. 1 is a fundamental diagram of the present utility model;
Fig. 2 is the utility model controller principle figure;
Fig. 3 is the utility model trailer jacking apparatus mounting point figure;
Fig. 4 is the utility model jacking apparatus flow chart;
The steel cylinder components structural representation that Fig. 5 amplifies for the utility model;
The steel cylinder components front end plug structure schematic representation that Fig. 6 amplifies for the utility model;
The steel cylinder components rear end plug structure schematic representation that Fig. 7 amplifies for the utility model;
Fig. 8 is a slave part structure principle chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
See also Fig. 1 to shown in Figure 8:
Oil hydraulic pump 2 is installed in the substation prying body 15, and pump and prying body 15 base plates adopt flexible connection, reduces the noise of work and overcome resonance phenomena to produce.The start and stop of oil hydraulic pump 2 are controlled by controller PLC13.The bottom outlet 21 of the inlet of oil hydraulic pump 2 and fluid storage tanks 3 is connected, and the high-pressure outlet of oil hydraulic pump 2 is connected with the inlet of control valve 1, and the return port of oil hydraulic pump 2 is connected with the inlet of fluid storage tanks 3.
Control valve 1 is installed in the substation prying body 15, and control valve 1 mainly comprises relief valve, one-way valve, solenoid valve.The inlet of control valve 1 is connected in the outlet of oil hydraulic pump 2, and the high-pressure outlet of control valve 1 is connected to the inlet of the fluid injection pneumatic valve 4 of the steel cylinder group on the trailer 20 by ascending pipe.The Returning outlet of control valve 1 communicates with fluid storage tanks 3.Control valve 1 adopts the Electromagnetic Control mode, improves and opens and closed speed
The hydraulic pneumatic valve 6 that returns that is installed in the steel cylinder components 8 on the trailer 20 is connected to wet tank 3 by liquid return pipe.
The controller PLC of air entraining substation adopts central controlled mode, pressure transducer 14, pressure transducer 16 and gas-liquid detection device 17 in the prying body of substation is installed in the inside of substation prying body 15, they are connected to respectively on tenminal block P00, P01, the P02 of controller PLC13, and controller PLC13 handles computing to the signal of input.Link to each other with the electromagnetic coil of the solenoid valve 37 of solenoid valve 24,25,26 and control valve 1 by controller PLC13 tenminal block P03, P04, P05, P07, controller PLC13 tenminal block P08, P097 link to each other with oil hydraulic pump 2, oil hydraulic motor 23 respectively.
By controller PLC13 tenminal block P00, P01, P02, the prying body 15 inner pressure transducers of installing 14,16 and the numerical value of gas-liquid detection device 17 can be sent in the controller PLC13, controller PLC13 determines control target according to numerical value.When handling the pressure of aerating, result after controller PLC13 will handle passes to the oil hydraulic pump 2 of prying body 15 inside by tenminal block P08, control oil hydraulic pump 2 startup and stop, the opening and closing of the solenoid valve 37 by tenminal block P07 control control valve 1, the steam outlet pipe 30 of solenoid valve 37 is selected the opening and closing of control valves 1.Steel cylinder exhaust on handling trailer 20, fluid injection and when returning liquid, the result that the result that controller PLC13 will handle will control by tenminal block P03, P04, P05 selectively passes in the electromagnetic coil of solenoid valve 24,25,26 of prying body 15 inside, comes the opening and closing of control electromagnetic valve 24,25,26.
Fluid injection pneumatic valve 4, the pneumatic valve 5 of giving vent to anger, time hydraulic pneumatic valve 6 are installed in the two ends of the steel cylinder components 8 of trailer 20, the pressurized air inlet opening of fluid injection pneumatic valve 4, the pneumatic valve 5 of giving vent to anger, time hydraulic pneumatic valve 6 is connected in the outlet of solenoid valve 24,25,26 by tracheae 31,32,33 respectively, by the compressed-air actuated break-make of electromagnetic valve, control each pneumatic actuator fill order by pressurized air again.
Jack-up system 12 is installed in the working site, and controller PLC13 is connected to the oil hydraulic motor 23 of jack-up system 12 by terminals P 09.Jacking oil hydraulic cylinder 18 is installed on the trailer 20, and the hydraulic oil that jack-up system 12 is discharged is delivered in the oil cylinder of jacking oil hydraulic cylinder 18 by high-pressure oil pipe 11.
The diameter of the steel cylinder body 7 in the steel cylinder components 8 can be between 400mm and the 1200mm.End plug 19 and back end plug 10 before the two ends of steel cylinder body 7 are equipped with, the connecting thread of end plug 19,10 and steel cylinder body 7 adopts special-purpose NPT screw thread, the sealing effect after guaranteeing to install.On the preceding end plug 19 outlet pipe 28 and level meter 27 are installed, the import of outlet pipe 28 is bent upwards when making, and makes steel cylinder body 7 interior gases discharge and stop as far as possible the discharge of high-pressure medium fully.The level meter of installing 27 adapts to hyperbaric environment, and is simple and reliable for structure, is mainly used to control the injection amount of high-pressure medium.Fluid injection and liquid return pipe 29 are installed on the back end plug 10, and fluid injection and liquid return pipe 29 are bent downwardly adding man-hour, have both guaranteed do not raise up when the injecting high return rate of medium when guaranteeing back simultaneously liquid of high-pressure medium.Hinged between steel cylinder frame 9 and the trailer 20 in the steel cylinder components 8, on steel cylinder frame 9, be provided with jacking oil hydraulic cylinder 18, the action by the jacking oil hydraulic cylinder is tilted steel cylinder components, and the slanted angle of steel cylinder components 8 is the 6-80 degree.
During work, system powers on.At first start the jack-up system 12 of trailer 20 special uses, annotate hydraulic oil in the jacking apparatus 18 that jack-up system 12 is installed on trailer 20, utilize hydraulic system that the jacking of gas cylinder framing is played into the elevation angle.Be the ready work of system's operation.
Controller PLC13 starts working behind the starting device, and oil hydraulic pump 2 runnings are injected high-pressure liquid medium in the CNG steel cylinder; Establish control valve 1, the outlet port setting pressure sensor 14 of control valve 1 in the oil hydraulic pump outlet.Pressure transducer 14 is used to detect the pressure of high-pressure medium, pressure transducer 14 is given controller PLC13 with force value, controller PLC13 controls the switching of control valves 1, the start and stop of oil hydraulic pump 2 according to the value of feedback of pressure transducer 14 by solenoid valve 37, guarantees that thus the pressure of control valve 1 maintains within the scope of 21～22Mpa or user's setting.When hydraulic system pressure reached high limit 22MPa (or user's setting value), control valve 1 was opened and is stopped to the high-pressure system feed flow, and by bypass circulation the pressure release liquid return in wet tank 3; Oil hydraulic pump 2 is through the time-delay of certain hour, if system pressure does not still fall, then oil hydraulic pump 2 quits work; When system pressure was reduced to lowest limit 21MPa (or user's setting value), oil hydraulic pump 2 restarted work.During in system works temperature 〉=70 ℃, open 41 pairs of systems of heat exchanger and dispel the heat; During in system temperature≤-5 ℃, 39 pairs of systems' heating of heater.
After system starts working, controller PLC13 at first opens the fluid injection pneumatic valve 4 on first steel cylinder components 8, the pneumatic valve 5 of giving vent to anger, pressurized gas are sent into the aerating equipment 36 for the treatment of by outlet pipe through Oil-gas Separation equipment 34, gas dosing device 35, return hydraulic pneumatic valve 6 and still are in closed condition; Under the effect of oil hydraulic pump 2, liquid medium begins to inject first steel cylinder components 8 by filling tube, and the high compression rock gas is pushed out steel cylinder components 8 simultaneously; When the liquid level in the steel cylinder body 7 reaches predefined numerical value, level meter 27 passes to controller PLC13 by the tenminal block P10 on the controller PLC13 with signal, controller PLC13 sends instruction, close the fluid injection pneumatic valve 4 of this steel cylinder components, the pneumatic valve 5 of giving vent to anger, open back hydraulic pneumatic valve 6, medium in this moment first steel cylinder components 8 returns in the wet tank 3 in the sledge body 15 by liquid return pipe under the effect of residual overbottom pressure, this moment, the gas-liquid detection device 17 of controller PLC13 was started working, and detected the liquid status that returns of first steel cylinder components 8 at any time.After simultaneously 8 times liquid of first steel cylinder components began, through time-delay, the fluid injection pneumatic valve 4 of second steel cylinder components, the pneumatic valve 5 of giving vent to anger were opened, and this steel cylinder returned hydraulic pneumatic valve 6 and was in closed condition this moment.Highly pressurised liquid begins to inject second steel cylinder components, continues the aerating process.After the liquid medium major part in first steel cylinder components 8 turns back to wet tank 3, bubble appears in the return pipeline, and gas-liquid detection device 17 sends instruction to controller PLC13 after detecting bubble, returns hydraulic pneumatic valve 6 and closes.This moment, first steel cylinder components 8 was finished the liquid process of returning for the first time.First steel cylinder components 8 leaves standstill under the situation of no any operation then, through after the predefined time, returns hydraulic pneumatic valve 6 and opens once more, and first steel cylinder components 8 enters the operation that secondary returns liquid.After the liquid medium in first steel cylinder components 8 all returns wet tank 3, residual gas pressure activates the pressure transducer of installing in the wet tank 3 16, pressure transducer 16 sends instruction to controller PLC13, closes back hydraulic pneumatic valve 6, and the liquid process of returning of first steel cylinder components 7 is all over.Steel cylinder components can be the 1-40 group, the working condition of other steel cylinders and the like, periodic duty in order.
During equipment operation, realize a plurality of steel cylinders sequential working successively by controller PLC13 program control.Fluid injection pneumatic valve 4, the pneumatic valve 5 of giving vent to anger, return hydraulic pneumatic valve 6 according to the fluid injection of in good time each steel cylinder of opening and closing of controller PLC13 control program, give vent to anger and return liquid, conversion work steel cylinder in proper order.When last steel cylinder components of last trailer is in back liquid status, ready-packaged joint to the second trailer by artificial transposing necessity, the hydraulic pneumatic valve 6 that returns that stays liquid return pipe, last steel cylinder components is in conducting, press " changing trains " button of control system, first steel cylinder of next trailer is started working, and realizes uninterrupted aerating.Treat that last steel cylinder components returns after liquid finishes, immediately the control apparatus that returns hydraulic pneumatic valve 6 of liquid return pipe, last steel cylinder components is changed to second car, press " changing trains " button of control system once more, the circulation of system finishing first trailer begins the control circle of second trailer.
When system moves, the low pressure oil suction filter 44 filter liquide impurity protection oil hydraulic pump 2 before the oil hydraulic pump 2.High pressure filter 38 filter liquide media behind the oil hydraulic pump 2, the valve of protection back.Air-strainer 42 filters the gas of turnover, avoids fluid storage tanks 3 to be polluted.No matter whether system moves oil filter 40, all operations always, the liquid medium in the filter liquide storage tank 3.Oil return diffuser 43 can be eliminated bubble when system oil return, the normal operation of safeguards system.
During equipment operation, by the manual operation, the controller PLC13 program control that the everything of complete equipment carries by equipment need not manual intervention during except that the replacing trailer.
Claims (11)
1, a kind of hydraulic natural gas automobile secondary gas filling station system, comprise fluid storage tanks (3), oil hydraulic pump (2), control valve (1), steel cylinder components (8), it is characterized in that the outlet of described oil hydraulic pump (2) is communicated with the inlet of control valve (1), the outlet of control valve (1) is connected fluid-delivery valve pneumatic (4) through ready-packaged joint (22), be communicated with steel cylinder components (8) afterwards, the hydraulic pneumatic valve (6) that returns that is communicated with steel cylinder components (8) is communicated with fluid storage tanks (3) through ready-packaged joint (22), and the pneumatic valve of giving vent to anger (5) that is communicated with steel cylinder components (8) is communicated with the aerating equipment (36) for the treatment of through ready-packaged joint (22); Also comprise the oil filter (40) that is connected with fluid storage tanks (3).
2, hydraulic natural gas automobile secondary gas filling station according to claim 1 system, it is external to it is characterized in that sedimeter oil filter (40) that described system is provided with is installed on fluid storage tanks (3).
3, hydraulic natural gas automobile secondary gas filling station according to claim 2 system is characterized in that described oil filter (40) comprises gear pump, is positioned at the coarse filtration device on the gear pump entrance pipe, is positioned at the fine filtering apparatus on the gear pump export pipeline.
4,, it is characterized in that also comprising the low pressure oil suction filter (44) of the front that is installed in oil hydraulic pump (2) and be installed in the high pressure filter (38) of the back of oil hydraulic pump (2) according to claim 2 or 3 described hydraulic natural gas automobile secondary gas filling station systems.
5, hydraulic natural gas automobile secondary gas filling station according to claim 2 system is characterized in that also comprising the air-strainer (42) that is positioned on the fluid storage tanks (3).
6, hydraulic natural gas automobile secondary gas filling station according to claim 2 system is characterized in that also being provided with on the described fluid storage tanks (3) pressure transducer (16) and gas-liquid detection device (17).
7, hydraulic natural gas automobile secondary gas filling station according to claim 2 system is characterized in that also being provided with the heating equipment (39) that the liquid to fluid storage tanks (3) heats.
8, hydraulic natural gas automobile secondary gas filling station according to claim 6 system is characterized in that described heating equipment is installed in the fluid storage tanks (3).
9, hydraulic natural gas automobile secondary gas filling station according to claim 2 system is characterized in that also being provided with the cooling unit that the liquid to fluid storage tanks (3) cools off.
10, hydraulic natural gas automobile secondary gas filling station according to claim 9 system is characterized in that described cooling unit is for being connected on the heat exchanger (41) on oil filter (40) and fluid storage tanks (3) connecting pipeline.
11, hydraulic natural gas automobile secondary gas filling station according to claim 10 system is characterized in that also being provided with the heating equipment (39) that the liquid to fluid storage tanks (3) heats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201997145U CN201187684Y (en) | 2006-12-25 | 2007-11-24 | Hydraulic type natural gas automobile air filling substation system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201285112U CN201161923Y (en) | 2006-12-25 | 2006-12-25 | Gas feeding substation system for hydraulic natural gas automobile |
| CN200620128511.2 | 2006-12-25 | ||
| CNU2007201997145U CN201187684Y (en) | 2006-12-25 | 2007-11-24 | Hydraulic type natural gas automobile air filling substation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201187684Y true CN201187684Y (en) | 2009-01-28 |
Family
ID=40182864
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201285112U Expired - Lifetime CN201161923Y (en) | 2006-12-25 | 2006-12-25 | Gas feeding substation system for hydraulic natural gas automobile |
| CNU2007201997145U Expired - Fee Related CN201187684Y (en) | 2006-12-25 | 2007-11-24 | Hydraulic type natural gas automobile air filling substation system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201285112U Expired - Lifetime CN201161923Y (en) | 2006-12-25 | 2006-12-25 | Gas feeding substation system for hydraulic natural gas automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN201161923Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278596A (en) * | 2011-09-16 | 2011-12-14 | 天津华迈燃气装备股份有限公司 | Hydraulic compressed natural gas automobile air-entrapping device |
| CN102705702A (en) * | 2012-06-21 | 2012-10-03 | 重庆耐德能源装备集成有限公司 | Auxiliary unit used for hydraulic horizontal-pushing pressurizer and hydraulic horizontal-pushing pressurizer |
| CN102705701A (en) * | 2011-04-29 | 2012-10-03 | 张家港富瑞特种装备股份有限公司 | Gas supply device for engine |
| CN103542568A (en) * | 2012-07-06 | 2014-01-29 | 气体产品与化学公司 | Method for dispensing a gas |
| CN105443978A (en) * | 2015-12-28 | 2016-03-30 | 重庆耐德节能装备有限公司 | Hydraulic pressurized natural gas filling substation system |
| CN106352235A (en) * | 2016-10-17 | 2017-01-25 | 泰恩博能燃气设备（天津）股份有限公司 | Liquid suction and drainage power device and gas filling station |
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| CN101915358B (en) * | 2010-07-23 | 2012-02-15 | 邯郸新兴重型机械有限公司 | Return oil detection method of hydraulic type natural gas vehicle gas-filling substation |
| CN102797972A (en) * | 2012-09-05 | 2012-11-28 | 韩中枢 | Compressed natural gas filling equipment |
| CN104279422B (en) * | 2013-07-10 | 2016-07-13 | 安瑞科(廊坊)能源装备集成有限公司 | Vessel for transport of compressed natural gas and unload gas system and unload pneumatic control method |
| CN105526491B (en) * | 2014-09-29 | 2023-03-31 | 安瑞科(廊坊)能源装备集成有限公司 | Hydraulic natural gas filling for automobile substation oil return system and oil return method |
| CN105485516B (en) * | 2015-12-28 | 2018-08-07 | 重庆耐德能源装备集成有限公司 | The inner-cooled hydraulic booster machine of natural gas supply sub-station |
| CN106931305B (en) * | 2015-12-31 | 2020-07-03 | 安瑞科(廊坊)能源装备集成有限公司 | Gas filling substation medium oil compensation system and gas filling substation medium oil compensation method |
| CN106195620A (en) * | 2016-07-12 | 2016-12-07 | 中国石油化工股份有限公司 | Hydraulic flat pushing-type hydrogen filling substation |
| EP3722652B1 (en) | 2019-04-09 | 2022-09-14 | MAGNA STEYR Fahrzeugtechnik AG & Co KG | Storage container for low temperature liquefied gas |
-
2006
- 2006-12-25 CN CNU2006201285112U patent/CN201161923Y/en not_active Expired - Lifetime
-
2007
- 2007-11-24 CN CNU2007201997145U patent/CN201187684Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705701A (en) * | 2011-04-29 | 2012-10-03 | 张家港富瑞特种装备股份有限公司 | Gas supply device for engine |
| CN102278596A (en) * | 2011-09-16 | 2011-12-14 | 天津华迈燃气装备股份有限公司 | Hydraulic compressed natural gas automobile air-entrapping device |
| CN102278596B (en) * | 2011-09-16 | 2013-05-08 | 天津华迈燃气装备股份有限公司 | Hydraulic compressed natural gas automobile air-entrapping device |
| CN102705702A (en) * | 2012-06-21 | 2012-10-03 | 重庆耐德能源装备集成有限公司 | Auxiliary unit used for hydraulic horizontal-pushing pressurizer and hydraulic horizontal-pushing pressurizer |
| CN103542568A (en) * | 2012-07-06 | 2014-01-29 | 气体产品与化学公司 | Method for dispensing a gas |
| CN103542568B (en) * | 2012-07-06 | 2016-05-25 | 气体产品与化学公司 | For the method for distribution of gas |
| CN105443978A (en) * | 2015-12-28 | 2016-03-30 | 重庆耐德节能装备有限公司 | Hydraulic pressurized natural gas filling substation system |
| CN106352235A (en) * | 2016-10-17 | 2017-01-25 | 泰恩博能燃气设备（天津）股份有限公司 | Liquid suction and drainage power device and gas filling station |
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|---|---|
| CN201161923Y (en) | 2008-12-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090128 Termination date: 20161124 |