CN104005882A - Assembly for filtering, heat exchange and temperature control for gas fuel, and gas engine - Google Patents
Assembly for filtering, heat exchange and temperature control for gas fuel, and gas engine Download PDFInfo
- Publication number
- CN104005882A CN104005882A CN201410253214.XA CN201410253214A CN104005882A CN 104005882 A CN104005882 A CN 104005882A CN 201410253214 A CN201410253214 A CN 201410253214A CN 104005882 A CN104005882 A CN 104005882A
- Authority
- CN
- China
- Prior art keywords
- filter
- heat exchanger
- thermostat
- assembly
- gas
- 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
- 239000000446 fuel Substances 0.000 title claims abstract description 19
- 238000001914 filtration Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 45
- 239000000498 cooling water Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003949 liquefied natural gas Substances 0.000 description 3
- 239000003915 liquefied petroleum gas Substances 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000005435 mesosphere Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 206010016766 flatulence Diseases 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000011435 rock Substances 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
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention provides an assembly for filtering, heat exchange and temperature control for a gas fuel, and a gas engine. The assembly comprises a filter, a heat exchanger, a thermostat, a first external gas pipeline and a second external gas pipeline, and an external water pipe, wherein the filter comprises a filter seat and a filter tank fixed to the filter seat; the heat exchanger is fixed to the filter seat; the thermostat comprises a thermostat gas way portion and a thermostat water way portion, and is fixed to the heat exchanger or the filter seat; the first external gas pipeline and the second external gas pipeline are connected between the filter seat and the heat exchanger, and connected to the heat exchanger an the thermostat gas way portion respectively; the external water pipe is connected between the heat exchanger and the thermostat water way portion. The pipeline length is reduced and the material cost is decreased, and moreover, the installation space is saved, the assembly process of a main engine plant or an assembly plant is optimized, the assembly procedures are reduced, and the production efficiency is increased.
Description
Technical field
The present invention relates in general to gas engine field, relate more specifically to the assembly for gaseous fuel filtration, heat exchange and temperature control, it can filter gaseous fuel, between engine cooling water and gaseous fuel, carry out heat exchange and adjustments of gas fuel temperature, also relates to the gas engine that comprises this assembly.
Background technique
Gas engine can be used gaseous fuel (such as compressed natural gas CNG, LNG Liquefied natural gas LNG or liquefied petroleum gas (LPG) LPG etc.) as fuel.Fig. 1 shows the schematic layout diagram of gas filter, heat exchanger and thermostat in the gas engine fuel supply system of prior art.The outlet of gas filter 1 is communicated with the gas access of heat exchanger 3 by the first pipeline 2, the gas outlet of heat exchanger 3 is communicated with the gas access of thermostat 5 by the second pipeline 4, and the water out of heat exchanger 3 is communicated with the water inlet of thermostat 5 by the 3rd pipeline 6.As shown in the single arrow in Fig. 1, gaseous fuel enters gas filter 1 from the entrance of gas filter 1, after filtering, from the outlet of gas filter 1, flow out, then from the gas access of heat exchanger 3, enter heat exchanger 3 through the first pipeline 2, through with heat exchanger 3 in after the cooling water heat exchange flow through, from the gas outlet of heat exchanger 3, flow out, through the second pipeline 4, from the gas access of thermostat 5, enter thermostat 5 again, after temperature regulates, from the gas outlet of thermostat 5, flow out.As shown in the double-head arrow in Fig. 1, engine cooling water is from the water inlet inflow heat exchanger 3 of heat exchanger 3, through with heat exchanger 3 in after the gaseous fuel heat exchange flow through, from the water out of heat exchanger 3, flow out, through the 3rd pipeline 6, from the water inlet of thermostat 5, enter thermostat 5 again, finally from the water out of thermostat 5, flow out.
The first pipeline 2, the second pipeline 4 and the 3rd pipeline 6 that above-mentioned arrangement is used are all long, and these pipelines need to be fixed on vehicle body or motor or other parts of automobile with support.Yet there is following shortcoming in this: the first, for different motors or vehicle, the mounting points of support is fixed, and support shape difference is large, and development cost is high; The second, assembly technology is complicated, and the assembly process of main engine factory or car load is many, affects manufacturing efficiency; The 3rd, gas filter, heat exchanger and thermostat each other spacing are large, take up room large, and difficult arrangement, overall structure weight is large, runs counter to light-weight design; The 4th, pipeline is long, and Oscillation Amplitude is large, and wear and leakage has a big risk.
Summary of the invention
According to an aspect of the present invention, the invention provides a kind of assembly for gaseous fuel filtration, heat exchange and temperature control, it is characterized in that, this assembly comprises: filter, the filter filter tank that it comprises filter filter block and is fixed to described filter filter block; Heat exchanger, it is fixed to described filter filter block; Thermostat, it comprises thermostat air path part and thermostat water route part, and is fixed to described heat exchanger or described filter filter block; The first external gas piping and the second external gas piping, it is connected between described filter filter block and described heat exchanger and is connected to described heat exchanger and described thermostat air path part; And external water pipe, it is connected between described heat exchanger and described thermostat water route part.
Inventor, by together with the filter under original deployment conditions, heat exchanger are fixed to one another with thermostat, connects corresponding structure by shorter external pipeline, makes it to have the functions such as combustion gas filtration, heat exchange and temperature control.Assembly of the present invention has following technique effect: (1) has shortened length of pipe, has reduced pipeline vibration amplitude, reduces risk of leakage, has reduced energy loss; (2) reduce labor intensity, reduced cost of material, manufacture cost; (3) installing space of this assembly reduces obviously, is beneficial to main engine factory or car load factory space layout; (4) optimized the assembly technology of main engine factory or car load factory, reduced assembly process, enhanced productivity.
Preferably, described filter filter tank is threaded io described filter filter block.Filter filter tank is removably connected with filter filter block, is convenient to assembling and maintain and replace.
Preferably, described heat exchanger is welded with the first double-screw bolt at it, and described filter base comprises prolongation, and on described prolongation, is provided with the first through hole passing for described the first double-screw bolt.Heat exchanger is removably connected with filter filter block, is convenient to assembling and maintain and replace.
Preferably, described welding heat-exchanger has the second double-screw bolt, and described thermostat is provided with the second through hole passing for described the second double-screw bolt.Thermostat is removably connected with heat exchanger, is convenient to assembling and maintain and replace.
Preferably, described assembly comprises for described assembly being fixed to the fixed structure of gas engine or automotive body.Be convenient to fixing described assembly to gas engine or automotive body.
Preferably, described filter filter block is provided with at least one blind hole, and described fixed structure comprises at least one stud being mounted in described at least one blind hole.Described assembly is removably connected with gas engine or automotive body, is convenient to assembling and maintain and replace.
Preferably, described heat exchanger is brazed-plate heat exchanger.Boundary dimension and No. of plates can flexible configuration.
Preferably, at least one in described the first external gas piping and described the second external gas piping made by copper pipe.Copper pipe is firm and corrosion-resistant.
Preferably, described external water pipe is made by sebific duct.Sebific duct resistance to liquid, resistance to gaseousness are strong and withstand voltage.
According to a further aspect in the invention, the invention provides a kind of gas engine, comprise the above-mentioned assembly for gaseous fuel filtration, heat exchange and temperature control.
Accompanying drawing explanation
Fig. 1 shows the schematic layout diagram of gas filter, heat exchanger and thermostat in the gas engine fuel supply system of prior art;
Fig. 2 shows an embodiment's of the assembly for gaseous fuel filtration, heat exchange and temperature control of the present invention stereogram;
Fig. 3 shows another stereogram of the assembly of Fig. 2;
Fig. 4 shows the stereogram of filter filter block of the assembly of Fig. 2;
Fig. 5 shows the stereogram of heat exchanger of the assembly of Fig. 2;
Fig. 6 shows the partial perspective view of the assembly of Fig. 2.
Embodiment
In detailed description below, with reference to the accompanying drawing that forms this specification part.In the accompanying drawings, similar reference character is often referred to similar parts of generation, unless pointed out separately in context.Illustrative examples described in detail specifications, accompanying drawing is not intended to restriction.Do not departing from the situation that the spirit and scope of this main body representing can adopt other embodiments, and can carry out other variations.Understandable, at this, roughly describe and accompanying drawing in the each side of illustrated present disclosure can in wide in range configuration variation, arrange, replace, combine, break and design, all these are all taken explicitly into account in this.
Fig. 2 shows an embodiment's of the assembly for gaseous fuel filtration, heat exchange and temperature control of the present invention stereogram; Fig. 3 shows another stereogram of the assembly of Fig. 2; Fig. 4 shows the stereogram of filter filter block of the assembly of Fig. 2; Fig. 5 shows the stereogram of heat exchanger of the assembly of Fig. 2.Fig. 6 shows the partial perspective view of the assembly of Fig. 2.As shown in the figure, the assembly 100 for gaseous fuel filtration, heat exchange and temperature control comprises filter 7, heat exchanger 8 and thermostat 9.Filter 7 comprises filter filter block 10 and is fixed to the filter filter tank 11 of filter filter block 10.Heat exchanger 8 is fixed to filter filter block 10.Thermostat 9 comprises thermostat air path part 12 and thermostat water route part 13, and is fixed to heat exchanger 8.Although should be understood that not shownly, in other alternate embodiments, thermostat 9 also can be fixed to filter filter block 10.Assembly 100 also comprise the first external gas piping 14 of being connected between filter filter block 10 and heat exchanger 8, be connected to the second external gas piping 15 of heat exchanger 8 and thermostat air path part 12 and be connected to heat exchanger 8 and thermostat water route part 13 between external water pipe 16.Together with filter, heat exchanger are fixed to one another with thermostat, by shorter external pipeline, corresponding structure is connected, make it to have the functions such as combustion gas filtration, heat exchange and temperature control.This has not only shortened length of pipe, has reduced cost of material, but also has saved installing space, optimized the assembly technology of main engine factory or car load factory, reduces assembly process, enhances productivity.
Filter filter block 10 can be by casting and accurately machined mode moulding.As Fig. 1 and Fig. 4 the best illustrate, filter filter block 10 can comprise substantial cylindrical main body 17 and the prolongation 18 extending from the bottom transverse of main body 17.Main body 17 can be provided with the first tapped hole 17a and in bottom, be provided with the second tapped hole 17b in sidewall.Prolongation 18 can be used for supporting and stationary heat exchangers 8.In unshowned embodiment, prolongation 18 can be used for supporting and stationary heat exchangers 8 and thermostat 9.Filter cleaner filter tank 11 can removably be connected to filter filter block 10, for example, be arranged in the second tapped hole 17b of filter filter block 10.Gas inlet joint 19 is assembled in the tapped hole (not shown) of filter base 10, and gas outlet joint 20 is installed in the first tapped hole 17a of filter base 10.
Heat exchanger 8 can be plate type heat exchanger, for example brazed-plate heat exchanger.Like this can be according to the Environmental Conditions of engine model or assembly 100, boundary dimension to heat exchanger, No. of plates increases or reduces, and can meet like this usage requirement of different operating modes, have boundary dimension flexibly simultaneously, adapt to the variation of assembly space.Referring to Fig. 5, heat exchanger 8 can comprise be positioned at bottom gas inlet interface 21 and water inlet interface 25, and be positioned at top, gas outlet interface 22 and the water out interface 26 in the other end with respect to gas inlet interface 21 and water inlet interface 25.
Referring to Fig. 2, Fig. 3 and Fig. 5, the first external gas piping 14 can be made by copper pipe, utilizes cutting ferrule and cutting ferrule nut 21 to be connected to the gas outlet joint 20 of filter base 10 and the gas inlet interface 21 of heat exchanger 8.The second external gas piping 15 can be made by copper pipe, utilize cutting ferrule and cutting ferrule nut 21 to be connected to the gas outlet interface 22 of heat exchanger 8 and the gas inlet interface 23 of thermostat air path part 12, the rock gas after over-heat-exchanger 8 heat-shifts enters in the air supply system of downstream by the gas outlet interface 24 of thermostat air path part 12.
Referring to Fig. 2, Fig. 3 and Fig. 5, engine cooling water enters from the water inlet interface 25 of heat exchanger 8, from the water out interface 26 of heat exchanger 8, flow out, by external water pipe 16, flow into the waterway inlet 27 of thermostat water route part 13, from the water route outlet 28 of thermostat water route part 13, flow out.External water pipe 16 can be made by sebific duct.Sebific duct comprises rubber inner layer, fabric mesosphere, rubber outer, and for example inside and outside glue adopts EPDM (ethylene propylene diene rubber) material, and mesosphere is knitted structure aramid line reinforced layer.Crossover sub 29 can be arranged on respectively water out interface 26 places of heat exchanger 8 and waterway inlet 27 places of thermostat water route part 13.The two ends of sebific duct can by clip 30 respectively with crossover sub 29 fixing seals.
In a preferred embodiment, heat exchanger 8 can removably be connected to filter base 10.Be convenient to like this assembling and maintain and replace.For example, as shown in Figure 5, heat exchanger 8 can have several the first double-screw bolts 31 at its bottom welding, such as three; As shown in Figure 4, filter base 10 can be provided with several (such as three) first through holes 32 and pass for the first double-screw bolt 31 in prolongation 18, then utilizes several first nuts 33 (seeing Fig. 6) that heat exchanger 8 is fixed to filter filter block 10.Although should be understood that heat exchanger shown in figure 8 be positioned at filter base 10 above, heat exchanger 8 can change with the relative position of filter base 10, for example heat exchanger 8 is also to be arranged on below or the side of filter base 10.In a preferred embodiment, thermostat 9 can removably be connected to heat exchanger 8.Be convenient to like this assembling and maintain and replace.As shown in Figure 5, heat exchanger can have several the second double-screw bolts 34 in its welded top, such as two; Thermostat 9 can be provided with several (such as two) through hole (not shown) and pass for the second double-screw bolt 34 in thermostat water route part 12, then utilizes several second nuts 35 (seeing Fig. 2) that thermostat 9 is fixed to heat exchanger 8.Although also should be understood that thermostat shown in figure 9 be positioned at heat exchanger 8 above, thermostat 9 can change with the relative position of heat exchanger 8, for example thermostat 9 is also to be arranged on below or the side of heat exchanger 8.In addition, thermostat 9 can removably be connected to filter base 10, and for example extension 18.
In a preferred embodiment, assembly 100 can also comprise for assembly 100 being fixed to the fixed structure of gas engine or automotive body.As shown in Figure 4, filter filter block 10 can be provided with at the sidewall of main body 17 and/or extension 18 at least one blind hole 36, such as four.Described fixed structure comprises at least one stud 37 (seeing Fig. 3 and Fig. 6) being mounted in blind hole 36.
Claims (10)
1. for the assembly of gaseous fuel filtration, heat exchange and temperature control, it is characterized in that, this assembly comprises:
Filter, the filter filter tank that it comprises filter filter block and is fixed to described filter filter block;
Heat exchanger, it is fixed to described filter filter block;
Thermostat, it comprises thermostat air path part and thermostat water route part, and is fixed to described heat exchanger or described filter base;
The first external gas piping and the second external gas piping, it is connected between described filter filter block and described heat exchanger and is connected to described heat exchanger and described thermostat air path part; And
External water pipe, it is connected between described heat exchanger and described thermostat water route part.
2. assembly according to claim 1, is characterized in that, described filter filter tank is threaded io described filter filter block.
3. assembly according to claim 1, is characterized in that, described heat exchanger is welded with the first double-screw bolt at it, and described filter base comprises prolongation, and on described prolongation, is provided with the first through hole passing for described the first double-screw bolt.
4. assembly according to claim 1, is characterized in that, described welding heat-exchanger has the second double-screw bolt, and described thermostat is provided with the second through hole passing for described the second double-screw bolt.
5. assembly according to claim 1, is characterized in that, described assembly comprises for described assembly being fixed to the fixed structure of gas engine or automotive body.
6. assembly according to claim 5, is characterized in that, described filter filter block is provided with at least one blind hole, and described fixed structure comprises at least one stud being mounted in described at least one blind hole.
7. assembly according to claim 1, is characterized in that, described heat exchanger is brazed-plate heat exchanger.
8. assembly according to claim 1, is characterized in that, at least one in described the first external gas piping and described the second external gas piping made by copper pipe.
9. assembly according to claim 1, is characterized in that, described external water pipe is made by sebific duct.
10. gas engine, is characterized in that, described gas engine comprises the assembly described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410253214.XA CN104005882B (en) | 2014-06-09 | 2014-06-09 | For gaseous fuel filtration, heat exchange and the assembly of temperature control and gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410253214.XA CN104005882B (en) | 2014-06-09 | 2014-06-09 | For gaseous fuel filtration, heat exchange and the assembly of temperature control and gas engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104005882A true CN104005882A (en) | 2014-08-27 |
| CN104005882B CN104005882B (en) | 2016-08-17 |
Family
ID=51366726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410253214.XA Active CN104005882B (en) | 2014-06-09 | 2014-06-09 | For gaseous fuel filtration, heat exchange and the assembly of temperature control and gas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104005882B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500295A (en) * | 2014-11-13 | 2015-04-08 | 贵州红林机械有限公司 | Gas filtering device with automatic temperature regulating function |
| CN105715413A (en) * | 2016-03-28 | 2016-06-29 | 潍柴西港新能源动力有限公司 | Temperature control fuel gas module based on PWM |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4335697A (en) * | 1980-04-08 | 1982-06-22 | Mclean Kerry L | Internal combustion engine dual fuel system |
| US6505611B1 (en) * | 1999-04-30 | 2003-01-14 | Gfi-Usa, Inc. | Integrated fuel control unit for gas-operated engines |
| CN202031726U (en) * | 2011-04-22 | 2011-11-09 | 河北中兴汽车制造有限公司 | Gas burning system for car |
| CN204041276U (en) * | 2014-06-09 | 2014-12-24 | 合肥威尔燃油系统有限责任公司 | Filter for gaseous fuel, the assembly of heat exchange and temperature control and gas engine |
-
2014
- 2014-06-09 CN CN201410253214.XA patent/CN104005882B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4335697A (en) * | 1980-04-08 | 1982-06-22 | Mclean Kerry L | Internal combustion engine dual fuel system |
| US6505611B1 (en) * | 1999-04-30 | 2003-01-14 | Gfi-Usa, Inc. | Integrated fuel control unit for gas-operated engines |
| CN202031726U (en) * | 2011-04-22 | 2011-11-09 | 河北中兴汽车制造有限公司 | Gas burning system for car |
| CN204041276U (en) * | 2014-06-09 | 2014-12-24 | 合肥威尔燃油系统有限责任公司 | Filter for gaseous fuel, the assembly of heat exchange and temperature control and gas engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500295A (en) * | 2014-11-13 | 2015-04-08 | 贵州红林机械有限公司 | Gas filtering device with automatic temperature regulating function |
| CN105715413A (en) * | 2016-03-28 | 2016-06-29 | 潍柴西港新能源动力有限公司 | Temperature control fuel gas module based on PWM |
| CN105715413B (en) * | 2016-03-28 | 2018-04-06 | 潍柴西港新能源动力有限公司 | temperature control gas module based on PWM |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104005882B (en) | 2016-08-17 |
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Address after: 230601 No. 59 Buddha Road, Hefei economic and Technological Development Zone, Anhui, China Applicant after: WAL FUEL SYSTEMS (HEFEI) LTD. Address before: 230601 No. 59 Buddha Road, Hefei economic and Technological Development Zone, Anhui, China Applicant before: Wal Fuel Systems (Hefei) Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: WAL FUEL SYETEMS (HEFEI) LTD. TO: HEFEI WAL FUEL SYSTEM CO., LTD. |
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Address after: 230000 No. 59 Buddha Road, Hefei economic and Technological Development Zone, Anhui Patentee after: Anhui Weil Low Carbon Technology Co.,Ltd. Address before: 230601 No. 59 Buddha Road, Hefei economic and Technological Development Zone, Anhui, China Patentee before: WAL FUEL SYSTEMS (HEFEI) LTD. |
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Application publication date: 20140827 Assignee: Anhui Xingtai Financial Leasing Co.,Ltd. Assignor: Anhui Weil Low Carbon Technology Co.,Ltd. Contract record no.: X2022980016903 Denomination of invention: Components and gas engines for gas fuel filtration, heat exchange and temperature control Granted publication date: 20160817 License type: Exclusive License Record date: 20220929 |
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| 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: Components and gas engines for gas fuel filtration, heat exchange and temperature control Effective date of registration: 20221008 Granted publication date: 20160817 Pledgee: Anhui Xingtai Financial Leasing Co.,Ltd. Pledgor: Anhui Weil Low Carbon Technology Co.,Ltd. Registration number: Y2022980017416 |
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Date of cancellation: 20230406 Granted publication date: 20160817 Pledgee: Anhui Xingtai Financial Leasing Co.,Ltd. Pledgor: Anhui Weil Low Carbon Technology Co.,Ltd. Registration number: Y2022980017416 |
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| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Anhui Xingtai Financial Leasing Co.,Ltd. Assignor: Anhui Weil Low Carbon Technology Co.,Ltd. Contract record no.: X2022980016903 Date of cancellation: 20230911 |