CN205297775U - Recirculation system's pipe fitting that admits air - Google Patents
Recirculation system's pipe fitting that admits air Download PDFInfo
- Publication number
- CN205297775U CN205297775U CN201520932145.5U CN201520932145U CN205297775U CN 205297775 U CN205297775 U CN 205297775U CN 201520932145 U CN201520932145 U CN 201520932145U CN 205297775 U CN205297775 U CN 205297775U
- Authority
- CN
- China
- Prior art keywords
- circuit
- air inlet
- inlet pipe
- pipe fitting
- chamber
- 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.)
- Withdrawn - After Issue
Links
- 230000003134 recirculating effect Effects 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 4
- 230000006837 decompression Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009931 harmful effect Effects 0.000 abstract description 4
- 230000008676 import Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a recirculation system's pipe fitting that admits air, which comprises a main pipe, trunk line outside cover is equipped with first circuit and second circuit, forms first circuit chamber and second circuit chamber between this first circuit and second circuit and the trunk line, connect through the crown plate between first circuit and the second circuit, evenly be provided with the opening along the circumference round on this crown plate, still be provided with on the main SIDE WALL of the pipe with the communicating ring channel in second circuit chamber, this ring channel sets up along the slope of main SIDE WALL of the pipe, the first circuit outside is provided with intake pipe, this intake pipe and first circuit chamber intercommunication perpendicularly. The pipe fitting that admits air adopts the decompression structure in two -stage circuit chamber side by side, and compact structure reduces the windage loss in the decompression, prevent recycle gas inward -remittance sprue after, ring channel slope design has the guide effect to the air current, and the handling ease, has avoided because the pressure of recycle gas and inward -remittance angle lead to the fact harmful effects to the work efficiency of turbocharger compressor impeller.
Description
Technical field
This utility model relates to the air inlet pipe fitting of a kind of recirculating system, belongs to gas recirculation system field.
Background technology
Circuit pipe assembly is assemblied on gas engine and mixes between gas admission line and supercharger, and for the final stage pipe fitting before supercharger, namely mixing gas is by being directly entered the compressor impeller of supercharger after this section of pipe fitting.
The existing trachea part that is recycled into is a joint welding special-shaped t-bend pipe, cannot so that confluxing of air inlet recirculation gas be played guiding, immixture, namely be equivalent to before air inlet recirculation gas is passed directly to supercharger, the air-flow with certain pressure is got on the compressor impeller of supercharger by importing sprue, like this, air-flow enters the angle of impeller and can change with pressure, the air-flow shock to impeller can be increased, affect the work efficiency of impeller, simultaneously, the air-flow with relatively strong pressure is beaten on impeller, clashing into the vibration caused also can be abnormal, and impeller is high-speed rotary turntable, supercharger can be produced harmful effect by long-term accumulated.
Utility model content
For solving above technical problem, this utility model provides the air inlet pipe fitting of a kind of recirculating system, make recirculation gas after the water conservancy diversion of the decompression of two-stage circuit chamber and inclination cannelure, import again in sprue, avoid the harmful effect that impeller is caused by air inlet recirculation gas, it is ensured that the normal operation of supercharger and the normal air inlet of gas engine.
Its technical scheme is as follows:
A kind of air inlet pipe fitting of recirculating system, including main pipeline, described main pipeline outer sheath is provided with the first circuit side by side and the second circuit, the first circuit chamber and the second circuit chamber is formed between this first circuit and the second circuit and main pipeline, connected by ring flat-plate between described first circuit and the second circuit, on this ring flat-plate, circumferentially a circle is evenly arranged with opening, described main pipeline sidewall is additionally provided with the cannelure communicated with the second circuit chamber, this cannelure is arranged along main pipeline sidewall slope, described first circuit outside vertical is provided with air inlet pipe, this air inlet pipe connects with the first circuit chamber. air inlet pipe fitting adopts the pressure reduction structure in two-stage circuit chamber side by side, compact conformation, windage loss is reduced while decompression, after preventing recirculation gas from importing sprue, cannelure inclined design, air-flow is had guide effect, and is easy to processing, it is to avoid owing to the work efficiency of pressure booster blower impeller is had undesirable effect with importing angle by the pressure of recirculation gas.
As preferably, the gradient of described cannelure is less than 20 ��.The gradient of cannelure is so designed that and air-flow can play guide effect, and can reduce windage loss to greatest extent.
As preferably, the diameter of described first circuit and the second circuit is identical, and the length of the first circuit is more than the length of the second circuit. It is so designed that, it is possible to make circulating air enter into the second circuit chamber smoothly from the first circuit chamber, it is ensured that the normal air inlet of sprue and stablizing of air pressure.
As preferably, described first circuit and the second circuit are connected with welding manner with main pipeline. It is easy to manufacture, and less costly.
As preferably, described air inlet pipe and the first circuit are smooth circular sliding slopes. It is so designed that, it is ensured that the air inlet of air inlet pipe is unobstructed.
Beneficial effect:
The air inlet pipe fitting of the recirculating system of above technical scheme, air-flow is reduced pressure by two circuit chambeies that sprue periphery is arranged side by side step by step, ensure that the normal flow area of sprue and flow channel shape, air-flow is had guide effect by being obliquely installed of cannelure simultaneously, windage loss is reduced while decompression, avoid the harmful effect with remittance angle, the work efficiency of pressure booster blower impeller caused after recirculation gas imports sprue due to the pressure of recirculation gas, improve the working life of supercharger, compact conformation, easily fabricated and less costly.
Accompanying drawing explanation
Fig. 1 structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
The air inlet pipe fitting of recirculating system as shown in Figure 1, including main pipeline 1, this main pipeline 1 outer sheath is provided with the first circuit 3 and the second circuit 4 side by side, forming the first circuit chamber 6 and the second circuit chamber 7 between this first circuit 3 and the second circuit 4 and main pipeline 1, the first circuit 3 and the second circuit 4 are connected with welding manner with main pipeline 1. Described first circuit 3 is identical with the diameter of the second circuit 4, and more than the external diameter of main pipeline 1, the length of the first circuit 3 is more than the length of the second circuit 4, make the volume volume more than the second circuit chamber 7 in the first circuit chamber 6, circulating air can be made to enter into the second circuit chamber 7 smoothly from the first circuit chamber 6, it is ensured that the normal air inlet of sprue and stablizing of air pressure.
Being connected by ring flat-plate 5 between described first circuit 3 and the second circuit 4, on this ring flat-plate 5, circumferentially a circle is evenly arranged with opening 50, and circulating air can enter into the second circuit chamber 7 from this opening 50 from the first circuit chamber 6 smoothly. Being additionally provided with the cannelure 10 communicated with the second circuit chamber 7 on described main pipeline 1 sidewall, this cannelure 10 is arranged along main pipeline 1 sidewall slope, and gradient is less than 20 ��, and circulating air enters sprue from this cannelure 10. Described first circuit 3 outside vertical is provided with air inlet pipe 2, and this air inlet pipe 2 connects with the first circuit chamber 6, and the air inlet for ensureing air inlet pipe 2 is unobstructed, and described air inlet pipe 2 and the first circuit 3 are smooth circular sliding slopes. In order to meet matching requirements, the air inlet of described main pipeline 1 two ends and air inlet pipe 2 adopts Flange joint.
Claims (5)
1. the air inlet pipe fitting of a recirculating system, including main pipeline (1), it is characterized in that: described main pipeline (1) outer sheath is provided with the first circuit (3) side by side and the second circuit (4), the first circuit chamber (6) and the second circuit chamber (7) is formed between this first circuit (3) and the second circuit (4) and main pipeline (1), connected by ring flat-plate (5) between described first circuit (3) and the second circuit (4), on this ring flat-plate (5), circumferentially a circle is evenly arranged with opening (50), described main pipeline (1) sidewall is additionally provided with the cannelure (10) communicated with the second circuit chamber (7), this cannelure (10) is arranged along main pipeline (1) sidewall slope, described first circuit (3) outside vertical is provided with air inlet pipe (2), this air inlet pipe (2) connects with the first circuit chamber (6).
2. the air inlet pipe fitting of recirculating system according to claim 1, it is characterised in that: the gradient of described cannelure (10) is less than 20 ��.
3. the air inlet pipe fitting of recirculating system according to claim 2, it is characterized in that: described first circuit (3) is identical with the diameter of the second circuit (4), and the length of the first circuit (3) is more than the length of the second circuit (4).
4. the air inlet pipe fitting of recirculating system according to claim 3, it is characterised in that: described first circuit (3) and the second circuit (4) are connected with welding manner with main pipeline (1).
5. the air inlet pipe fitting of recirculating system according to claim 4, it is characterised in that: described air inlet pipe (2) and the first circuit (3) they are smooth circular sliding slopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520932145.5U CN205297775U (en) | 2015-11-20 | 2015-11-20 | Recirculation system's pipe fitting that admits air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520932145.5U CN205297775U (en) | 2015-11-20 | 2015-11-20 | Recirculation system's pipe fitting that admits air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297775U true CN205297775U (en) | 2016-06-08 |
Family
ID=56461180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520932145.5U Withdrawn - After Issue CN205297775U (en) | 2015-11-20 | 2015-11-20 | Recirculation system's pipe fitting that admits air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205297775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332827A (en) * | 2015-11-20 | 2016-02-17 | 重庆普什机械有限责任公司 | Recycling air inlet pipe component with guiding function |
-
2015
- 2015-11-20 CN CN201520932145.5U patent/CN205297775U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332827A (en) * | 2015-11-20 | 2016-02-17 | 重庆普什机械有限责任公司 | Recycling air inlet pipe component with guiding function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160608 Effective date of abandoning: 20180501 |