CN114576053B - Engine fuel tank assembly, engine and engineering machinery - Google Patents

Engine fuel tank assembly, engine and engineering machinery Download PDF

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Publication number
CN114576053B
CN114576053B CN202210310679.9A CN202210310679A CN114576053B CN 114576053 B CN114576053 B CN 114576053B CN 202210310679 A CN202210310679 A CN 202210310679A CN 114576053 B CN114576053 B CN 114576053B
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China
Prior art keywords
fuel
tank
engine
fuel tank
valve
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CN202210310679.9A
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Chinese (zh)
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CN114576053A (en
Inventor
徐威
初金涛
董步军
夏炎
王兆龙
李雪城
赵光
边金龙
崔瑞
范祎清
赵双
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Xuzhou XCMG Excavator Machinery Co Ltd
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Xuzhou XCMG Excavator Machinery Co Ltd
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Priority to CN202210310679.9A priority Critical patent/CN114576053B/en
Publication of CN114576053A publication Critical patent/CN114576053A/en
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    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0076—Details of the fuel feeding system related to the fuel tank
    • 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
    • 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
    • Y02T10/40—Engine management systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

The invention relates to an engine fuel tank assembly, an engine and engineering machinery, an engine fuel tank (7) and a fuel oil retaining tank (6), wherein the fuel oil retaining tank (6) is communicated with the fuel tank (7) and is configured to retain fuel oil added into the fuel tank (7), the fuel oil retaining tank (6) is not communicated with a combustion chamber of the engine, the fuel oil in the fuel oil retaining tank (6) cannot be conveyed into the combustion chamber of the engine to be consumed, and the fuel oil retaining tank (6) retains the fuel oil for sampling, so that the problem of difficult fuel oil sampling in the prior art is solved.

Description

Engine fuel tank assembly, engine and engineering machinery
Technical Field
The invention relates to the technical field of machinery, in particular to an engine fuel tank assembly, an engine and engineering machinery.
Background
With increasing importance on environmental protection, the exhaust emission standard of vehicles is correspondingly stricter, and as the quality of fuel oil has a great influence on exhaust emission, the fuel oil needs to be detected so as to check the cause of exceeding the standard of the exhaust, then the fuel oil is used as a consumable, once new fuel oil is added again, the fuel oil added last time cannot be collected, and therefore, the problem that a detection sample is difficult to collect exists.
Disclosure of Invention
The invention aims to provide an engine fuel tank assembly, an engine and engineering machinery, so as to solve the problem that a fuel sample is difficult to collect in the prior art.
According to one aspect of an embodiment of the present invention, there is provided an engine fuel tank assembly comprising:
a fuel tank; and
a fuel retention tank is in communication with the fuel tank and is configured to retain fuel added to the fuel tank.
In some embodiments, a fuel retention tank is provided within the interior of the fuel tank, the fuel retention tank including a tank body and a retention tank inlet provided at the top of the tank body.
In some embodiments, the fuel holding tank further includes a float valve disposed within the tank to float to close the tank inlet after filling the fuel holding tank with fuel.
In some embodiments, the fuel retaining tank further comprises a tubular member for guiding the floating valve to move in a vertical direction, a through hole is provided in the tubular member for communicating the inner cavity of the tubular member with the inner cavity of the tank body, and the floating valve is provided in the tubular member so as to be movable in the vertical direction.
In some embodiments, the fuel retention tank further includes a vent tube in communication with the tank body and extending toward the top of the fuel tank.
In some embodiments, the engine fuel tank assembly further comprises:
a first control valve;
a first pipeline which is communicated with the fuel oil retaining box and an inlet of the first control valve;
the second pipeline is communicated with the outlet of the first control valve and the fuel tank; and
and the controller is in signal connection with the first control valve so as to close the first control valve when the fuel sample needs to be reserved.
In some embodiments, the first control valve is disposed on an exterior of the fuel tank and at least a portion of the first line is disposed on the exterior of the fuel tank.
In some embodiments, the engine fuel tank assembly further includes a sampling port disposed on the first line and external to the fuel tank.
According to another aspect of the present invention, there is also provided an engine, the engine comprising the above
According to another aspect of the present invention, there is also provided a construction machine, in some embodiments, comprising an engine as described above.
By means of the technical scheme, the engine comprises the fuel oil retaining box, the fuel oil retaining box is not communicated with the combustion chamber of the engine, fuel oil in the fuel oil retaining box cannot be conveyed to the combustion chamber of the engine to be consumed, and the fuel oil for sampling is retained by the fuel oil retaining box, so that the problem that fuel oil sampling is difficult in the prior art is solved.
Other features of the present invention and its advantages will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 shows a schematic configuration of a fuel retaining system of an engine according to a first embodiment of the present invention;
fig. 2 shows a schematic configuration of a fuel retaining system of an engine according to a second embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, the engine fuel tank assembly of the present embodiment includes a fuel tank 7 and a fuel retaining tank 6, the fuel retaining tank 6 being in communication with the fuel tank 7 and configured to retain fuel added to the fuel tank 7.
The engine fuel tank assembly of this embodiment includes the fuel conservation case 6, and the combustion chamber of fuel conservation case 6 and engine does not communicate, and the fuel in the fuel conservation case 6 can not carry the combustion chamber of engine and consume, and the fuel that is used for the sample is saved to the fuel conservation case 6, has consequently improved prior art fuel sample and has obtained the problem difficultly.
The fuel tank 6 is provided inside the fuel tank 7, and the fuel tank 6 includes a tank body and a tank inlet 62 provided at the top of the tank body. During the addition of fuel to the fuel tank 7, fuel may enter the tank body of the fuel tank via the tank inlet 62 and be retained for sampling.
The fuel tank 6 further includes a float valve 64, the float valve 64 being provided in the tank body to float to close the tank inlet 62 after the fuel tank 6 is filled with fuel.
The fuel tank 6 further includes a tubular member 63 for guiding the floating valve 64 to move in the vertical direction, the tubular member 63 is provided with a through hole communicating the inner cavity of the tubular member 63 and the inner cavity of the tank, and the floating valve 64 is provided in the tubular member 63 so as to be movable in the vertical direction.
In some embodiments, the holding tank inlet 62 communicates with the tubular member 63, and fuel enters the tubular member 63 through the holding tank inlet 62 and then enters the tank body of the fuel holding tank 6 through the through-hole in the tubular member 63. In other embodiments, the holding tank inlet 62 is not directly in communication with the tubular member 63, and fuel enters the tank of the fuel holding tank 6 from the holding tank inlet 62 and then may enter the tubular member 63 through the through-hole in the tubular member 63. As the level of fuel in the tubular member 63 increases, the float valve 64 also gradually increases, eventually the float valve 64 blocks the holding tank inlet 62 to prevent the fuel in the fuel holding tank 6 from being updated as fuel is added again to the fuel tank 7.
The fuel retaining tank 6 further includes a vent pipe 61 communicating with the tank body and extending toward the top of the fuel tank 7, the vent pipe 61 allowing the tank body of the fuel retaining tank 6 to communicate with the outside atmosphere so that fuel can smoothly flow into the tank body. Specifically, the ventilation tube 61 communicates with the outside atmosphere through a breather valve.
The engine fuel tank assembly further comprises a first control valve 2, a first line 4, a second line 1 and a controller 5. The first pipeline 4 is communicated with the fuel oil retention tank 6 and the inlet of the first control valve 2; the second pipeline 1 is communicated with an outlet of the first control valve 2 and a fuel tank 7; the controller 5 is in signal connection with the first control valve 2 to keep the first control valve 2 closed when a fuel sample is to be retained.
When the fuel to be sampled is not required to be stored in the fuel storage tank 6, the controller 5 controls the first control valve 2 to be in an open state, when fuel is added into the fuel tank 7, the fuel can be added into the fuel storage tank 6, the fuel storage tank 6 is communicated with the fuel tank 7 through the first pipeline 4, the first control valve 3 and the second pipeline 1, and the fuel in the fuel storage tank 6 can flow to the inner cavity of the fuel tank 7 through the first pipeline 4, the first control valve 3 and the second pipeline 1 and further flow to the combustion chamber of the engine for consumption of the engine.
When it is desired that the fuel holding tank 6 holds the fuel to be sampled, the controller 5 controls the first control valve 2 to be in a closed state, and when fuel is added to the fuel tank 7, the fuel can enter the fuel holding tank 6 through the holding tank inlet 62, and as the liquid level in the tubular member 63 and the tank body of the fuel holding tank 6 increases, the float valve 64 eventually blocks the holding tank inlet 62 to prevent the fuel in the fuel holding tank 6 from being updated.
It can be seen that the fuel retaining tank 6 of the present embodiment retains fuel for a predetermined time according to the controller 5 controlling the opening and closing of the first control valve 2.
The first control valve 2 is arranged outside the fuel tank 7, and at least a part of the first line 4 is located outside the fuel tank 7.
The engine fuel tank assembly further comprises a sampling port 3, the sampling port 3 being provided on the first line 4 and being located outside the fuel tank 7 for facilitating the collection of a fuel sample.
According to another aspect of the present invention, there is also provided a construction machine including the engine described above.
Example two
As shown in fig. 2, the present embodiment is different from the first embodiment in that: the fuel holding tank 6 is provided outside the fuel tank and communicates with the outlet of the fuel tank. The engine includes a fuel tank and a combustion chamber in communication with the fuel tank, fuel within the fuel tank being delivered to the combustion chamber for combustion to form power for the engine.
The engine further comprises a first flow path 10, a second flow path 21 and a flow direction regulating valve. The first flow path 10 communicates the outlet of the fuel tank with the combustion chamber of the engine. The second flow path 21 communicates the outlet of the fuel tank with the fuel holding tank 6. The flow direction regulating valve is configured to control fuel output from the outlet of the fuel tank to selectively flow to one of the first flow path 10 and the second flow path 21 or to shut off the flow of the fuel from the outlet of the fuel tank to the first flow path 10 and the second flow path 21.
The engine further includes a third flow path 9, and the third flow path 9 communicates the fuel retaining tank 6 and the combustion chamber to discharge the fuel overflowing the fuel retaining tank 6 to the combustion chamber.
In some embodiments, the third flow path 9 communicates at one end with the fuel holding tank 6 and at the other end with the first flow path 10 to discharge fuel through the first flow path 10 to the combustion chamber of the engine.
The engine further comprises a non-return valve 22 arranged in the third flow path 9, the inlet end of the non-return valve 22 being in communication with the fuel retaining tank 6, the outlet end of the non-return valve 22 being in communication with the first flow path 10.
In the present embodiment, when the fuel to be sampled is not required to be reserved in the fuel reserving tank 6, the first flow path 10 communicates with the outlet of the fuel tank, and since the check valve 22 is provided in the third flow path 9, the fuel in the first flow path 10 does not enter the fuel reserving tank 6.
When the fuel retaining tank 6 is required to retain the fuel to be sampled, the second flow path 21 is communicated with the outlet of the fuel tank, the fuel enters the fuel retaining tank 6, and the fuel overflowed from the fuel retaining tank 6 can be conveyed to the combustion chamber of the engine through the third flow path 9.
The flow direction regulating valve comprises a first valve 15 and a second valve 17. The first valve 15 comprises an inlet communicating with the outlet of the fuel tank and an outlet communicating with the first flow path 10; the second valve 17 includes an inlet communicating with the outlet of the fuel tank and an outlet communicating with the second flow path 21.
The engine further comprises a controller 5, the controller 5 being in signal connection with the first valve 15 and the second valve 17, respectively, for closing the first valve 15 and opening the second valve 17 when a fuel sample is to be retained.
When the fuel to be sampled is not required to be reserved in the fuel reserving tank 6, the controller 5 controls the first valve 15 to be opened and the second valve 17 to be closed, and fuel output from the fuel tank can flow to the combustion chamber of the engine for consumption by the engine through the first valve 15 and the first flow path 10.
When it is desired that the fuel holding tank 6 holds fuel to be sampled, the controller 5 controls the first valve 15 to be closed and the second valve 17 to be opened, and fuel output from the fuel tank can flow to the fuel holding tank 6 via the second valve 17 and the second flow path 21.
The engine also includes a filter 8 and a filter base 12. The filter 8 is communicated with an outlet of the fuel tank; the filter base 12 is for carrying the filter 8, the fuel tank 6 is mounted on the filter base 12, and the first flow path 10 and the second flow path 21 are formed on the filter base 12. The filter 8 is located between the fuel tank and the combustion chamber in the flow direction of the fuel.
The fuel oil retention box 6 is provided with a sampling port; in other embodiments, the fuel retaining tank 6 is removably mounted to the filter base 12 such that removal of the fuel retaining tank 6 removes a sample of fuel retained in the fuel retaining tank 6.
The filter base 12 is provided with an oil inlet 16 communicating with the fuel tank, a fourth flow path 11 communicating with the oil inlet 16 and the inlet of the first valve 15, and a fifth flow path 20 communicating with the oil inlet 16 and the inlet of the second valve 17.
The engine further comprises a first communication line 13 and a second communication line 18. The first communication pipe 13 communicates the fourth flow path 11 with the inlet of the first valve 15; the second communication pipe 18 communicates the fifth flow path 20 with the inlet of the second valve 17.
The engine further comprises a third communication line 14 and a fourth communication line 19. The third communication pipe 14 communicates the outlet of the first valve 15 with the first flow path 10; the fourth communication line 19 communicates the outlet of the second valve 17 with the second flow path 21.
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof, but rather, any modification, equivalent replacement, improvement or the like which comes within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. An engine fuel tank assembly, comprising:
a fuel tank (7); and
a fuel retaining tank (6) in communication with the fuel tank (7) and configured to retain fuel added to the fuel tank (7),
the fuel oil retaining box (6) is arranged in the fuel tank (7), and the fuel oil retaining box (6) comprises a box body and a retaining box inlet (62) arranged at the top of the box body
The fuel retaining tank (6) further comprises a float valve (64), the float valve (64) is arranged in the tank body to float to close the retaining tank inlet (62) after the fuel retaining tank (6) is filled with fuel,
the fuel oil retaining tank (6) further comprises a tubular part (63) used for guiding the floating valve (64) to move along the vertical direction, a through hole which is communicated with the inner cavity of the tubular part (63) and the inner cavity of the tank body is formed in the tubular part (63), and the floating valve (64) is movably arranged in the tubular part (63) along the vertical direction.
2. An engine fuel tank assembly according to claim 1, wherein the fuel retaining tank (6) further comprises a vent tube (61) communicating with the tank body and extending towards the top of the fuel tank (7).
3. The engine fuel tank assembly of claim 1, further comprising:
a first control valve (2);
a first pipeline (4) which is communicated with the fuel oil retaining tank (6) and the inlet of the first control valve (2);
a second pipeline (1) for communicating the outlet of the first control valve (2) with the fuel tank (7); and
and the controller (5) is in signal connection with the first control valve (2) so as to close the first control valve (2) when the fuel sample needs to be reserved.
4. An engine fuel tank assembly according to claim 3, wherein the first control valve (2) is provided outside the fuel tank (7), the first line (4) being connected to
At least a portion is located outside the fuel tank (7).
5. An engine fuel tank assembly according to claim 3, further comprising a sampling port (3), the sampling port (3) being provided on the first line (4) and being located outside the fuel tank (7).
6. An engine comprising an engine fuel tank assembly as claimed in any one of claims 1 to 5.
7. A construction machine comprising the engine according to claim 6.
CN202210310679.9A 2022-03-28 2022-03-28 Engine fuel tank assembly, engine and engineering machinery Active CN114576053B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210310679.9A CN114576053B (en) 2022-03-28 2022-03-28 Engine fuel tank assembly, engine and engineering machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210310679.9A CN114576053B (en) 2022-03-28 2022-03-28 Engine fuel tank assembly, engine and engineering machinery

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CN114576053A CN114576053A (en) 2022-06-03
CN114576053B true CN114576053B (en) 2023-05-02

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030140715A1 (en) * 2002-01-31 2003-07-31 Burke David Howard Fuel sampling method and apparatus
JP4684972B2 (en) * 2006-09-19 2011-05-18 住友建機株式会社 Construction machinery fuel management system
JP2010265791A (en) * 2009-05-13 2010-11-25 Hitachi Constr Mach Co Ltd Fuel holding device
CN104390814B (en) * 2014-11-25 2016-09-21 中国环境科学研究院 A kind of oil product monitors automobile-used sampling volume controllable type oiling sampling apparatus in real time

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