CN109184978A - A kind of double electrically heated integrated type fuel oil prefilters - Google Patents
A kind of double electrically heated integrated type fuel oil prefilters Download PDFInfo
- Publication number
- CN109184978A CN109184978A CN201811159699.0A CN201811159699A CN109184978A CN 109184978 A CN109184978 A CN 109184978A CN 201811159699 A CN201811159699 A CN 201811159699A CN 109184978 A CN109184978 A CN 109184978A
- Authority
- CN
- China
- Prior art keywords
- conducting plate
- plate
- fuel oil
- type fuel
- integrated type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000295 fuel oil Substances 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000011045 prefiltration Methods 0.000 claims abstract description 17
- 239000003921 oil Substances 0.000 claims abstract description 15
- 230000005611 electricity Effects 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 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
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
- F02M31/125—Fuel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to a kind of double electrically heated integrated type fuel oil prefilters, are provided with double electric heater units comprising the collecting bowl heater assembly that the ring heater assembly above prefilter shell oil inlet is arranged in and is arranged in inside collecting bowl；Ring heater assembly includes the ring support being arranged on prefilter shell; it is separately positioned on the interior heat-conducting plate and outer heat-conducting plate of ring support the inner surface and the outer surface; it is arranged on a toroidal support and the heating plate between the interior heat-conducting plate and outer heat-conducting plate, the temperature control module that the insulating protecting plate on the outside of outer heat-conducting plate is set and is arranged on the ring support；The collecting bowl heater assembly includes heated base and the electronics printed board, cooling fin, calandria and the temperature sensor that are separately positioned on heated base.The present invention guarantees that oil supply system rapidly enters normal operating conditions at low ambient temperatures in use, increase fuel Heating by mobility and melt collecting bowl liquid under low temperature.
Description
Technical field
The invention belongs to automobile engine prefilter technical fields, and in particular to a kind of double electrically heated integrated fuels are pre-
Filter.
Background technique
It is increasingly strict due to vehicular engine emission regulation demands in recent years, will necessarily cause fuel filter into one
Step is improved.The clean and efficient performance to engine of oil supply system plays a crucial role.So to guarantee
Oil supply system efficiently reliably works, it is necessary to more improve the function of fuel filter.The function of fuel filter be exactly
Fuel oil enters before oil transfer pump and fuel injector, and impurity, water and other pollutants in fuel oil are filtered out, these substance mistakes are prevented
Early blocking and corrosion fuel oil fine filter, guarantee has the important components such as oil transfer pump and the fuel injector of precision pair that can work normally.
Due to the influence of low temperature environment and oil product, existing fuel oil prefilter and collecting bowl be easy to appear at low ambient temperatures because
Diesel oil is sticky and is difficult to liquid in normal filtration and fuel feeding and collecting bowl and freezes and can not be discharged.
Summary of the invention
Technical problem to be solved by the present invention lies in a kind of double electrically heated integrated type fuel oil prefilters are provided, guarantee to supply
Oil system and collecting bowl can heat rapidly at low temperature, subsequently into normal operating conditions.
To achieve the above object, technical solution of the present invention is provided with double electric heater units, double electric heater unit packets
Include the ring heater assembly being arranged in above prefilter shell oil inlet and the collecting bowl heater being arranged in inside collecting bowl
Assembly；
The ring heater assembly includes the ring support being arranged on prefilter shell, is separately positioned on the ring support
The interior heat-conducting plate and outer heat-conducting plate of the inner surface and the outer surface are arranged on the ring support and positioned at the interior heat-conducting plate and outside
Heating plate between heat-conducting plate is arranged in the insulating protecting plate on the outside of the outer heat-conducting plate and is arranged on the ring support
Temperature control module；The collecting bowl heater assembly includes heated base and the electronics that is separately positioned on the heated base
Printed board, cooling fin, calandria and temperature sensor；
The calandria is connected with electronics printed board；The calandria is bonded on a heat sink, the both ends of the temperature sensor
It is connect respectively with electronics printed board and calandria.
Further, the heating plate in the ring heater assembly and interior heat-conducting plate interval are arranged, heating plate with lead outside
The setting of hot plate interval, the quantity of heating plate are one or more.
Further, the left and right sides of the heating plate is connect with interior heat-conducting plate respectively and the left and right sides of heating plate is distinguished
It is connect with outer heat-conducting plate, the front and rear sides of heating plate are connect with interior heat-conducting plate and outer heat-conducting plate respectively.
Further, the temperature control module is connect with interior heat-conducting plate and outer heat-conducting plate.
Further, the electronics printed board in the collecting bowl heater assembly is located inside heated base；Calandria is set
It sets above electronics printed board.
Further, the cooling fin setting is in heating body side surface.
Further, the cooling fin is arranged above calandria.
Further, one end of the temperature sensor is located at the top of cooling fin, the other end and electricity of temperature sensor
Sub- printed board connection
Further, the calandria is connected with electronics printed board；The electronics printed board, temperature sensor and heating sheet are successively
Series connection.
Further, the electronics printed board connects to power supply.
Good effect of the present invention is as follows:
For the present invention at low ambient temperatures in use, when measuring temperature lower than 7 DEG C, ring heater assembly sum aggregate cup heater is total
At being heated, so that fuel Heating under low temperature is increased mobility and is melted collecting bowl liquid under low temperature respectively, guarantee fuel feeding
System rapidly enters normal operating conditions；When measuring temperature and reaching 24 DEG C, collecting bowl heater assembly is automatically powered off, stop plus
Heat；When measuring temperature and reaching 24 DEG C, ring heater assembly stops heating.Collecting bowl liquid under low temperature is set to melt and protect
Testimony oil system rapidly enters normal operating conditions.
Detailed description of the invention
Fig. 1 is that this tests novel structural schematic diagram；
Fig. 2 is schematic cross-sectional view of the invention；
Fig. 3 is the structural schematic diagram of collecting bowl heater assembly of the present invention；
Fig. 4 is the cooling fin schematic diagram of collecting bowl heater assembly；
Fig. 5 is the structural schematic diagram of ring heater assembly；
Fig. 6 is the schematic diagram of the section structure of ring heater assembly；
In attached drawing, 1 collecting bowl heater assembly, 1-1 heated base, 1-2 calandria, 1-3 cooling fin, 1-4 temperature sensor, 1-
5 electronics printed boards, 2 ring heater assemblies, 2-1 ring support, 2-2 heating plate, heat-conducting plate, 2-4 outer heat-conducting plate, 2-5 in 2-3
Insulating protecting plate, 2-6 temperature control module, 2-7U shape card slot, 3 prefilters, 4 collecting bowls, 5 prefilter shell oil inlets, 6 first cards
Button, 7 second buckles.
Specific embodiment
The present invention program is further described and is explained with reference to the accompanying drawing.
As shown in figures 1 to 6, the present invention is that double electric heater units are provided on prefilter 3, and double electric heater units include
The collecting bowl heater that the ring heater assembly 2 of 5 top of prefilter shell oil inlet is set and is arranged in inside collecting bowl 4
Assembly 1；The collecting bowl heater assembly 1 can respectively heat collecting bowl 4 and prefilter 3 with ring heater assembly 2；
The ring heater assembly 2 includes ring support 2-1, interior heat-conducting plate 2-3, outer heat-conducting plate 2-4, heating plate 2-2, insulation
Protection board 2-5 and temperature control module 2-6；The ring support 2-1 is arranged on 3 shell of prefilter, is located at 3 oil inlet 5 of prefilter
Top；Interior heat-conducting plate 2-3 and outer heat-conducting plate 2-4 are separately positioned in described ring support 2-1 the inner surface and the outer surface；Heating plate
2-2 be arranged on the ring support 2-1, the side heating plate 2-2 connect with interior heat-conducting plate 2-3, the other side heating plate 2-2 with outside
Heat-conducting plate 2-4 connection；Insulating protecting plate 2-5 is arranged on the outside of the outer heat-conducting plate 2-4；Temperature control module 2-6 is arranged in the ring
On shape bracket 2-1.The interior heat-conducting plate 2-3 and outer heat-conducting plate 2-4 be identical conduction Heat Conduction Material, material be copper or aluminium, and with
The connection of heating plate 2-2, interior heat-conducting plate 2-3 and outer heat-conducting plate 2-4 go out the heating plate 2-2 heat diffusion generated.Add
The interval hot plate 2-2 is evenly distributed on ring support 2-1.The heating plate 2-2 is by the first buckle 6 interior conductive plate 2-3
It is fixed on ring support 2-1 together with outer conductive plate 2-4.Heating plate 2-2 material is PTC, and heating plate 2-2 is ring heater
The supplying heat source of assembly 2.
Further, the heating plate 2-2 in the ring heater assembly 2 and the interval interior heat-conducting plate 2-3 are arranged, heating plate
2-2 and the interval outer heat-conducting plate 2-4 are arranged, and the quantity of heating plate 2-2 is one or more.
Further, the left and right sides of the heating plate 2-2 is connect with interior heat-conducting plate 2-3 and a left side of heating plate 2-2 respectively
Right two sides are connect with outer heat-conducting plate 2-4 respectively, the front and rear sides of heating plate 2-2 respectively with interior heat-conducting plate 2-3 and outer heat-conducting plate 2-4
Connection.
The temperature control module 2-6 is connect with interior heat-conducting plate 2-3 and outer heat-conducting plate 2-4.
Insulating protecting plate 2-5 is located on the outside of the outer conductive plate 2-5 of prefilter main casing 3, plays prevention main casing and leads outside
Battery plate series connection.
The ring support 2-1 is connect with temperature control module 2-6 by inserting mode, and temperature control module 2-6 and interior heat-conducting plate
2-3 connects to form circulation path with outer heat-conducting plate 2-4.
The interior conductive plate 2-3 and outer conductive plate 2-4 of ring heater assembly 2 and one end of four pin plugs utilize soldering
It is connected, four pin plugs are connect using grafting with temperature control module 2-6.
Specifically, interior conductive plate 2-3, heating plate 2-2, outer heat-conducting plate 2-4 and insulating protecting plate 2-5 are fixed on the present embodiment
On ring support 2-1, the ring support 2-1 of the annular assembly is connected by U-shaped card slot 2-7, and is connected with the second buckle 7.
Ring heater assembly 2 is at low ambient temperatures in use, can heat 3 fuel oil of prefilter, temperature control module
When 2-6 measures temperature lower than 7 DEG C, heating plate 2-2 heating；When measuring temperature and reaching 24 DEG C, the heating plate 2- of ring support 2-1
2 automatically power off, and stop heating.
The collecting bowl heater assembly 1 includes heated base 1-1 and is separately positioned on the heated base 1-1
Electronics printed board 1-5, cooling fin 1-3, calandria 1-2 and temperature sensor 1-4；
The calandria 1-2 and temperature sensor 1-4 is connect with electronics printed board 1-5 respectively；The calandria 1-2 is fitted in scattered
On backing 1-3, the both ends of the temperature sensor 1-4 are connect with electronics printed board 2 and heating sheet 3 respectively.
Further, the electronics printed board 1-5 in the collecting bowl heater assembly 1 is located inside heated base 1-1；Add
Hot body 1-2 is arranged above electronics printed board 1-5.
Further, the cooling fin 1-3 is arranged in the side calandria 1-2.
Further, the cooling fin 1-3 is arranged above calandria 1-2；Further, the temperature sensor 1-4
One end be located at the top of cooling fin 1-3, the other end of temperature sensor 1-4 is connect with electronics printed board 1-5.
Further, the calandria 1-2 connects with electronics printed board 1-5；The electronics printed board 2, temperature sensor
1-4 and heating sheet 3 are sequentially connected in series.
Further, the electronics printed board 1-5 is connected to power supply.
Calandria 1-2 and heating plate 2-2 is thermistor.
The temperature sensor 1-4 and electronics printed board 1-5 is commercial product, and calandria 1-2 is that thermistor is 7 degree
It begins to warm up, is higher than 24 degree of closing heaters.In use, after power supply lead wire is powered, calandria 1-2 fever, while temperature passes
Sensor 1-4 power supply, electronics printed board 1-5, temperature sensor 1-4 and calandria 1-2 are sequentially connected in series, and temperature sensor 1-4 is served as
The role of switch, temperature sensor 1-4 begin to turn on power supply at 7 degree, are higher than 24 degree and close, so calandria 1-2 is opened at 7 degree
Beginning heating is higher than 24 degree of closings, and realization is intelligent controllable, and cooling fin 1-3 is uniform by cooling fin 1-3 by the temperature of calandria 1-2
Be transmitted in liquid.
At low ambient temperatures in use, when temperature measuring equipment measures temperature lower than 7 DEG C, two heaters are added the present invention
Heat, temperature measuring equipment are temperature sensor 1-4 and temperature control module 2-6；Specifically, reach 24 when temperature sensor 1-4 measures temperature
DEG C when, collecting bowl heater automatically powers off, stop heating；When temperature control module 2-6, which measures temperature, reaches 24 DEG C, ring heater
It automatically powers off, stops heating, collecting bowl liquid under low temperature is made to melt and guarantee that oil supply system rapidly enters normal operating conditions.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. the double electrically heated integrated type fuel oil prefilters of one kind, it is characterised in that: be provided with double electric heater units, double electricity add
Thermal includes the ring heater assembly (2) being arranged above prefilter shell oil inlet (5) and setting in collecting bowl (4)
The collecting bowl heater assembly (1) in portion；
The ring heater assembly (2) includes the ring support (2-1) being arranged on prefilter shell, is separately positioned on described
The interior heat-conducting plate (2-3) and outer heat-conducting plate (2-4) of ring support (2-1) the inner surface and the outer surface are arranged in the ring support
Heating plate (2-2) on (2-1) and between the interior heat-conducting plate (2-3) and outer heat-conducting plate (2-4), setting are led outside described
The temperature control module (2-6) of insulating protecting plate (2-5) and setting on the ring support (2-1) on the outside of hot plate (2-4)；Institute
State the electronic seal that collecting bowl heater assembly 1 includes heated base (1-1) and is separately positioned on the heated base (1-1)
Making sheet (1-5), cooling fin (1-3), calandria (1-2) and temperature sensor (1-4)；
The calandria (1-2) and electronics printed board (1-5) connection；The calandria (1-2) is fitted on cooling fin (1-3),
The both ends of the temperature sensor (1-4) are connect with electronics printed board (2) and calandria (1-2) respectively.
2. a kind of double electrically heated integrated type fuel oil prefilters according to claim 1, it is characterised in that: the annular adds
Heating plate (2-2) and the interval interior heat-conducting plate (2-3) in hot device assembly (2) are arranged, heating plate (2-2) and outer heat-conducting plate (2-4)
Interval setting, the quantity of heating plate (2-2) are one or more.
3. according to claim 1 or 2 any double electrically heated integrated type fuel oil prefilters of described one kind, it is characterised in that: institute
The left and right sides for stating heating plate (2-2) connect respectively with interior heat-conducting plate (2-3) and the left and right sides of heating plate (2-2) respectively and outside
Heat-conducting plate (2-4) connection, the front and rear sides of heating plate (2-2) are connect with interior heat-conducting plate (2-3) and outer heat-conducting plate (2-4) respectively.
4. a kind of double electrically heated integrated type fuel oil prefilters according to claim 1, it is characterised in that: the temperature control mould
Block (2-6) is connect with interior heat-conducting plate (2-3) and outer heat-conducting plate (2-4).
5. a kind of double electrically heated integrated type fuel oil prefilters according to claim 1, it is characterised in that: the collecting bowl
It is internal that electronics printed board (1-5) in heater assembly (1) is located at heated base (1-1)；Calandria (1-2) is arranged in electronic seal
Above making sheet (1-5).
6. a kind of double electrically heated integrated type fuel oil prefilters according to claim 1, it is characterised in that: the cooling fin
(1-3) is arranged in the side calandria (1-2).
7. a kind of double electrically heated integrated type fuel oil prefilters according to claim 1, it is characterised in that: the cooling fin
(1-3) setting is above calandria (1-2).
8. a kind of double electrically heated integrated type fuel oil prefilters according to claim 7, it is characterised in that: the temperature passes
One end of sensor (1-4) is located at the top of cooling fin (1-3), the other end and electronics printed board (1-5) of temperature sensor (1-4)
Connection.
9. a kind of double electrically heated integrated type fuel oil prefilters according to claim 1, it is characterised in that: the calandria
(1-2) connects with electronics printed board (1-5)；The electronics printed board (2), temperature sensor (1-4) and heating sheet (3) are successively gone here and there
Connection.
10. a kind of double electrically heated integrated type fuel oil prefilters according to claim 1, it is characterised in that: the electronics
Printed board (1-5) connects to power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811159699.0A CN109184978A (en) | 2018-09-30 | 2018-09-30 | A kind of double electrically heated integrated type fuel oil prefilters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811159699.0A CN109184978A (en) | 2018-09-30 | 2018-09-30 | A kind of double electrically heated integrated type fuel oil prefilters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109184978A true CN109184978A (en) | 2019-01-11 |
Family
ID=64946928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811159699.0A Pending CN109184978A (en) | 2018-09-30 | 2018-09-30 | A kind of double electrically heated integrated type fuel oil prefilters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109184978A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1505292A2 (en) * | 2003-08-05 | 2005-02-09 | ELTEK S.p.A. | Device for heating a fluid used in a motor vehicle, in particular a fuel |
| CN201218152Y (en) * | 2008-04-11 | 2009-04-08 | 岳剑波 | Fuel heater in fuel oil filter |
| CN202673488U (en) * | 2012-07-05 | 2013-01-16 | 合肥威尔燃油系统有限责任公司 | Electric heater for fuel filter and fuel filter including electric heater |
| CN103075282A (en) * | 2012-12-28 | 2013-05-01 | 曲延昌 | Induction heating method and device for built-in diesel automobile filter |
| US20150021246A1 (en) * | 2012-03-16 | 2015-01-22 | Mann+Hummel Gmbh | Fuel Filter of an Internal Combustion Engine and Heating Sensor Module of a Fuel Filter |
| CN104500296A (en) * | 2014-12-11 | 2015-04-08 | 合肥威尔燃油系统有限责任公司 | Fuel filter and engine with same |
| CN105275689A (en) * | 2014-05-29 | 2016-01-27 | 现代自动车株式会社 | Fuel filter for diesel engine |
| US20160138538A1 (en) * | 2014-11-14 | 2016-05-19 | Hyundai Motor Company | Fuel filter for diesel engine |
| CN107559116A (en) * | 2017-10-20 | 2018-01-09 | 河北中瓷电子科技有限公司 | Integrated heater and cleaner |
| CN107829852A (en) * | 2017-11-01 | 2018-03-23 | 河北亿利橡塑集团有限公司 | A kind of electric heater unit of integrated type fuel oil prefilter |
| CN209100181U (en) * | 2018-09-30 | 2019-07-12 | 河北亿利橡塑集团有限公司 | A kind of double electrically heated integrated type fuel oil prefilters |
-
2018
- 2018-09-30 CN CN201811159699.0A patent/CN109184978A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1505292A2 (en) * | 2003-08-05 | 2005-02-09 | ELTEK S.p.A. | Device for heating a fluid used in a motor vehicle, in particular a fuel |
| CN201218152Y (en) * | 2008-04-11 | 2009-04-08 | 岳剑波 | Fuel heater in fuel oil filter |
| US20150021246A1 (en) * | 2012-03-16 | 2015-01-22 | Mann+Hummel Gmbh | Fuel Filter of an Internal Combustion Engine and Heating Sensor Module of a Fuel Filter |
| CN202673488U (en) * | 2012-07-05 | 2013-01-16 | 合肥威尔燃油系统有限责任公司 | Electric heater for fuel filter and fuel filter including electric heater |
| CN103075282A (en) * | 2012-12-28 | 2013-05-01 | 曲延昌 | Induction heating method and device for built-in diesel automobile filter |
| CN105275689A (en) * | 2014-05-29 | 2016-01-27 | 现代自动车株式会社 | Fuel filter for diesel engine |
| US20160138538A1 (en) * | 2014-11-14 | 2016-05-19 | Hyundai Motor Company | Fuel filter for diesel engine |
| CN104500296A (en) * | 2014-12-11 | 2015-04-08 | 合肥威尔燃油系统有限责任公司 | Fuel filter and engine with same |
| CN107559116A (en) * | 2017-10-20 | 2018-01-09 | 河北中瓷电子科技有限公司 | Integrated heater and cleaner |
| CN107829852A (en) * | 2017-11-01 | 2018-03-23 | 河北亿利橡塑集团有限公司 | A kind of electric heater unit of integrated type fuel oil prefilter |
| CN209100181U (en) * | 2018-09-30 | 2019-07-12 | 河北亿利橡塑集团有限公司 | A kind of double electrically heated integrated type fuel oil prefilters |
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| SE01 | Entry into force of request for substantive examination | ||
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| CB02 | Change of applicant information |
Address after: 054801 north of Zhigong Avenue and west of Jiuhuashan Road, Qinghe County, Xingtai City, Hebei Province Applicant after: Hebei Yili Technology Co., Ltd Address before: 054800 No. 27, New Century Avenue, Xingtai, Hebei, Qinghe County Applicant before: HEBEI YILI GROUP Co.,Ltd. |
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