CN214533337U - Dual-fuel common rail pipe and dual-fuel engine with same - Google Patents
Dual-fuel common rail pipe and dual-fuel engine with same Download PDFInfo
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- CN214533337U CN214533337U CN202120019494.3U CN202120019494U CN214533337U CN 214533337 U CN214533337 U CN 214533337U CN 202120019494 U CN202120019494 U CN 202120019494U CN 214533337 U CN214533337 U CN 214533337U
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- 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
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Abstract
The utility model belongs to the technical field of dual fuel engine, the utility model provides a dual fuel is rail pipe and dual fuel engine altogether, dual fuel is rail pipe altogether is including rail pipe body altogether, this internal natural gas rail pressure chamber and the diesel oil rail pressure chamber of forming of rail pipe altogether, the natural gas rail pressure chamber is pressed the chamber with the diesel oil rail and is not communicated, be equipped with diesel oil import on the rail pipe body altogether, a plurality of diesel oil export, natural gas entry and a plurality of natural gas export, diesel oil import and diesel oil export press the chamber intercommunication through the natural gas rail, natural gas entry and natural gas export press the chamber intercommunication through the natural gas rail, still be equipped with at least one fixing base on the rail pipe body altogether. The utility model provides a dual fuel is rail pipe altogether with diesel oil and is rail pipe altogether and natural gas unites two into one, and the fixed point has reduced half, easily dismouting, and the rail volume reduces moreover, does benefit to the complete machine and arranges, and rail wall quantity and rail volume reduce in addition, have reduced the forging material and have used, do benefit to and save the cost.
Description
Technical Field
The utility model belongs to the technical field of dual fuel engine, concretely relates to dual fuel is rail pipe altogether. The utility model discloses still relate to a dual fuel engine.
Background
This section provides background information related to the present disclosure only and is not necessarily prior art.
The existing natural gas and diesel dual-fuel engine uses a diesel common rail pipe and a natural gas common rail pipe to respectively store high-pressure diesel and high-pressure natural gas, and the diesel common rail pipe and the natural gas common rail pipe are mutually independent. The fixed point that two common rail pipes need is more, and the dismouting is not convenient, and the space demand is big when two common rail pipes arrange moreover, is unfavorable for the complete machine to arrange, and the material that uses when two other common rail pipes forge is also more, and it is extravagant to form the material.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the common rail pipe dismouting of dual fuel engine arranges inconvenience among the prior art at least, this purpose is realized through following technical scheme:
the utility model discloses a first aspect provides a dual fuel common rail pipe, dual fuel common rail pipe is including common rail pipe body, this internal natural gas rail pressure chamber and the diesel oil rail pressure chamber of forming of common rail pipe, the natural gas rail pressure chamber with the diesel oil rail is pressed the chamber and is kept apart each other, be equipped with diesel oil import, a plurality of diesel oil export, natural gas entry and a plurality of natural gas export on the common rail pipe body, diesel oil import and a plurality of diesel oil export respectively with the diesel oil rail presses chamber intercommunication, natural gas entry and a plurality of the natural gas export respectively with the cavity intercommunication is pressed to the natural gas rail, still be equipped with at least one fixing base on the common rail pipe body.
The utility model provides a dual fuel is rail pipe altogether with diesel oil and is rail pipe altogether and natural gas unites two into one, and the fixed point has reduced half, easily dismouting, and the rail volume reduces moreover, does benefit to the complete machine and arranges, and rail wall quantity and rail volume reduce in addition, have reduced the forging material and have used, do benefit to and save the cost.
In addition, according to the utility model discloses a dual fuel is rail pipe altogether, still can have following additional technical characterstic:
in some embodiments of the present invention, the natural gas rail pressure chamber and the diesel rail pressure chamber are both cylindrical cavity structures, and the axial direction of the natural gas rail pressure chamber and the axial direction of the diesel rail pressure chamber are parallel.
The utility model discloses an in some embodiments, the dual fuel is rail pipe altogether still including locating gas rail pressure sensor mounting hole and diesel oil rail pressure sensor mounting hole on the rail pipe body altogether, gas rail pressure sensor mounting hole with natural gas rail pressure chamber intercommunication, diesel oil rail pressure sensor mounting hole with diesel oil rail pressure chamber intercommunication.
In some embodiments of the present invention, the dual fuel common rail pipe further comprises a diesel pressure limiting valve mounting hole formed in the common rail pipe body, and the diesel pressure limiting valve mounting hole is communicated with the diesel rail pressure cavity.
In some embodiments of the utility model, the diesel oil import is located the one end in chamber is pressed to the diesel oil rail, diesel oil inflow direction with the axial direction in chamber is pressed to the diesel oil rail is unanimous, diesel oil pressure limiting valve mounting hole is located the other end in chamber is pressed to the diesel oil rail.
In some embodiments of the present invention, the plurality of diesel outlets and the plurality of natural gas outlets are distributed along the axial direction of the common rail pipe body at equal intervals.
In some embodiments of the present invention, the dual fuel common rail pipe further comprises an oil rail oil return hole formed in the common rail pipe body, and the oil rail oil return hole is communicated with the diesel rail pressure cavity.
In some embodiments of the utility model, the common rail pipe body includes first body and the second body of parallel arrangement, the lateral wall of first body with the lateral wall of second body is connected, the natural gas rail is pressed the chamber and is located first body, the diesel rail is pressed the chamber and is located the second body.
The utility model discloses a second aspect provides a dual fuel engine, dual fuel engine is diesel oil natural gas dual fuel engine, dual fuel engine includes that dual fuel is rail pipe altogether, dual fuel is rail pipe altogether does the utility model discloses the dual fuel that the first aspect provided is rail pipe altogether, the diesel oil import is used for the intercommunication oil pump, the diesel oil export is used for intercommunication high pressure fuel pipe, the natural gas entry is used for feeding the gas, the natural gas export is used for intercommunication high pressure gas pipe.
The utility model discloses a dual fuel engine that the second aspect provided have with the utility model discloses the same beneficial effect of dual fuel common rail pipe that the first aspect provided, no longer give unnecessary details here.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
fig. 1 schematically shows a schematic structural view of a dual fuel common rail according to an embodiment of the present invention;
figure 2 schematically illustrates a first cross-sectional view of a dual fuel common rail in accordance with an embodiment of the present invention;
fig. 3 schematically illustrates a second cross-sectional view of a dual fuel common rail in accordance with an embodiment of the present invention;
the reference symbols in the drawings denote the following:
10: common rail pipe body, 11: natural gas rail pressure chamber, 12: diesel rail pressure chamber, 13: diesel oil inlet, 14: diesel oil outlet, 15: natural gas inlet, 16: natural gas outlet, 17: fixing base, 18: gas rail pressure sensor mounting hole, 19: diesel rail pressure sensor mounting hole, 20: diesel oil pressure limiting valve mounting hole, 21: oil rail oil return hole.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "second" and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, an element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "inner", "side", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 and fig. 2, the utility model discloses a first aspect provides a dual fuel common rail pipe, dual fuel common rail pipe is including common rail pipe body 10, form natural gas rail pressure chamber 11 and diesel rail pressure chamber 12 in the common rail pipe body 10, natural gas rail pressure chamber 11 and diesel rail pressure chamber 12 keep apart each other, be equipped with diesel oil import 13 on the common rail pipe body 10, a plurality of diesel oil export 14, natural gas entry 15 and a plurality of natural gas export 16, diesel oil import 13 and a plurality of diesel oil export 14 press chamber 11 intercommunication with the diesel rail respectively, natural gas entry 15 and a plurality of natural gas export 16 press chamber 11 intercommunication with the natural gas rail respectively, still be equipped with at least one fixing base 17 on the common rail pipe body 10.
The utility model provides a dual fuel is rail pipe altogether with diesel oil and is rail pipe altogether and natural gas unites two into one, and the fixed point has reduced half, easily dismouting, and the rail volume reduces moreover, does benefit to the complete machine and arranges, and rail wall quantity and rail volume reduce in addition, have reduced the forging material and have used, do benefit to and save the cost.
The utility model discloses an in some embodiments, natural gas rail pressure chamber 11 and diesel oil rail pressure chamber 12 are cylindricality cavity structures to the axial direction of natural gas rail pressure chamber 11 and the axial direction parallel of diesel oil rail pressure chamber 12, cylindricality cavity structures circulation is effectual, and natural gas rail pressure chamber 11's axial direction and diesel oil rail pressure chamber 12's axial direction parallel make common rail structure compacter.
The utility model discloses an in some embodiments, the dual fuel is rail pipe altogether still presses sensor mounting hole 18 and diesel oil rail pressure sensor mounting hole 19 including locating the gas rail on rail pipe body 10 altogether, and gas rail pressure sensor mounting hole 18 presses chamber 11 intercommunication with the natural gas rail, and diesel oil rail pressure sensor mounting hole 19 presses chamber 12 intercommunication with the diesel oil rail, presses the sensor mounting hole control to press the intraduct pressure in rail through setting up the rail, improves the security.
In some embodiments of the present invention, the dual fuel common rail pipe further includes a diesel pressure limiting valve mounting hole 20 disposed on the common rail pipe body 10, and the diesel pressure limiting valve mounting hole 20 is communicated with the diesel rail pressure chamber 12.
The utility model discloses an in some embodiments, diesel oil import 13 is located the one end that the diesel oil rail pressed chamber 12, and the diesel oil inflow direction is unanimous with the axial direction that the diesel oil rail pressed chamber 12, and the other end that the diesel oil rail pressed chamber 12 was located to diesel oil pressure limiting valve mounting hole 20, through setting up diesel oil pressure limiting valve mounting hole 20 installation pressure limiting valve, releases pressure when the rail pressure transfinites.
In some embodiments of the present invention, the plurality of diesel outlets 14 and the plurality of natural gas outlets 16 are distributed along the common rail pipe body 10 in the axial direction at equal intervals, so that the arrangement is more compact and reasonable.
The utility model discloses an in some embodiments, dual fuel is rail pipe altogether still including locating the oil rail oil gallery 21 on rail pipe body 10 altogether, and oil rail oil gallery 21 presses chamber 12 intercommunication with the diesel rail, is convenient for high-pressure diesel oil through setting up oil rail oil gallery 21 and flows back.
The utility model discloses an in some embodiments, common rail pipe body 10 is double-cast structure, including the first body of parallel arrangement and second body, the lateral wall of first body is connected with the lateral wall of second body, and natural gas rail pressure chamber 11 is located first body, diesel oil rail pressure chamber 12 are located the second body. The structure is compact, the whole machine arrangement is facilitated, the number of rail walls and the rail volume are reduced, the use of forging materials is reduced, and the cost is saved.
The utility model discloses a second aspect provides a dual fuel engine, dual fuel engine are diesel oil natural gas dual fuel engine, and dual fuel engine includes that dual fuel is rail pipe altogether, and dual fuel is rail pipe altogether does the utility model discloses the dual fuel that the first aspect provided is rail pipe altogether, and diesel oil import 13 is used for the intercommunication oil pump, and diesel oil export 14 is used for communicateing high pressure fuel pipe, and natural gas entry 15 is used for feeding the gas, and natural gas export 16 is used for communicateing high pressure fuel pipe.
The utility model discloses a dual fuel engine that the second aspect provided have with the utility model discloses the same beneficial effect of dual fuel common rail pipe that the first aspect provided, no longer give unnecessary details here.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a dual fuel is rail pipe altogether, its characterized in that, dual fuel is rail pipe altogether includes rail pipe body altogether, this internal natural gas rail pressure chamber and the diesel rail pressure chamber of forming of rail pipe altogether, natural gas rail pressure chamber with the diesel rail pressure chamber is kept apart each other, be equipped with diesel oil import, a plurality of diesel oil export, natural gas entry and a plurality of natural gas export on the rail pipe body altogether, diesel oil import and a plurality of the diesel oil export respectively with diesel rail pressure chamber intercommunication, natural gas entry and a plurality of the natural gas export respectively with cavity intercommunication is pressed to the natural gas rail, still be equipped with at least one fixing base on the rail pipe body altogether.
2. The dual fuel common rail pipe of claim 1, wherein the natural gas rail pressure cavity and the diesel rail pressure cavity are both cylindrical cavity structures, and an axial direction of the natural gas rail pressure cavity and an axial direction of the diesel rail pressure cavity are parallel.
3. The dual fuel common rail pipe of claim 1, further comprising a gas rail pressure sensor mounting hole and a diesel rail pressure sensor mounting hole provided on the common rail pipe body, the gas rail pressure sensor mounting hole being in communication with the natural gas rail pressure cavity and the diesel rail pressure sensor mounting hole being in communication with the diesel rail pressure cavity.
4. The dual fuel common rail pipe of claim 2, further comprising a diesel pressure limiting valve mounting hole provided on the common rail pipe body, the diesel pressure limiting valve mounting hole being in communication with the diesel rail pressure cavity.
5. The dual fuel common rail pipe of claim 4, wherein the diesel inlet is disposed at one end of the diesel rail pressure chamber, the diesel inflow direction is the same as the axial direction of the diesel rail pressure chamber, and the diesel pressure limiting valve mounting hole is disposed at the other end of the diesel rail pressure chamber.
6. The dual fuel common rail of claim 2, wherein the plurality of diesel outlets and the plurality of natural gas outlets are each equally spaced along an axial direction of the common rail body.
7. The dual fuel common rail pipe of any of the claims 1 to 6, further comprising an oil rail return hole provided on the common rail pipe body, the oil rail return hole being in communication with the diesel rail pressure chamber.
8. The dual fuel common rail of any of the claims 1 to 6, wherein the common rail body comprises a first pipe body and a second pipe body arranged in parallel, wherein a side wall of the first pipe body is connected with a side wall of the second pipe body, the natural gas rail pressure chamber is provided in the first pipe body, and the diesel rail pressure chamber is provided in the second pipe body.
9. A dual-fuel engine which is a diesel natural gas dual-fuel engine and is characterized by comprising a dual-fuel common rail pipe, wherein the dual-fuel common rail pipe is the dual-fuel common rail pipe according to any one of claims 1 to 8, the diesel inlet is used for being communicated with an oil pump, the diesel outlet is used for being communicated with a high-pressure oil pipe, the natural gas inlet is used for feeding fuel gas, and the natural gas outlet is used for being communicated with a high-pressure gas pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120019494.3U CN214533337U (en) | 2021-01-05 | 2021-01-05 | Dual-fuel common rail pipe and dual-fuel engine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120019494.3U CN214533337U (en) | 2021-01-05 | 2021-01-05 | Dual-fuel common rail pipe and dual-fuel engine with same |
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| Publication Number | Publication Date |
|---|---|
| CN214533337U true CN214533337U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120019494.3U Active CN214533337U (en) | 2021-01-05 | 2021-01-05 | Dual-fuel common rail pipe and dual-fuel engine with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992020A (en) * | 2022-05-10 | 2022-09-02 | 潍柴动力股份有限公司 | Method and device for determining fuel rail pressure of HPDI engine and controller of vehicle |
-
2021
- 2021-01-05 CN CN202120019494.3U patent/CN214533337U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992020A (en) * | 2022-05-10 | 2022-09-02 | 潍柴动力股份有限公司 | Method and device for determining fuel rail pressure of HPDI engine and controller of vehicle |
| CN114992020B (en) * | 2022-05-10 | 2024-03-19 | 潍柴动力股份有限公司 | Method and device for determining fuel rail pressure of HPDI engine and controller of vehicle |
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