CN102220923A - Diesel-air separator for diesel engine - Google Patents
Diesel-air separator for diesel engine Download PDFInfo
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- CN102220923A CN102220923A CN 201110131525 CN201110131525A CN102220923A CN 102220923 A CN102220923 A CN 102220923A CN 201110131525 CN201110131525 CN 201110131525 CN 201110131525 A CN201110131525 A CN 201110131525A CN 102220923 A CN102220923 A CN 102220923A
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- diesel
- valve seat
- air
- oil
- outlet
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- 238000007789 sealing Methods 0.000 claims abstract description 33
- 239000000945 filler Substances 0.000 claims description 6
- 241000628997 Flos Species 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 54
- 239000002283 diesel fuel Substances 0.000 description 26
- 239000000446 fuel Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000010710 diesel engine oil Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 235000019602 lubricity Nutrition 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- -1 during exhaust Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The invention relates to a diesel-air separator for a diesel engine, which is used in diesel motor vehicles. The diesel-air separator is provided with an upper shell and a lower shell which are butted, and a diesel storage chamber is respectively formed inside the upper shell and the lower shell. The diesel-air separator is characterized in that the side wall of the upper shell or the lower shell is provided with a diesel inlet, the top of the upper shell is provided with an air outlet, a valve seat is installed in the air outlet, the bottom of the lower shell is provided with a diesel outlet, and a valve seat is installed in the diesel outlet; and a floater is arranged in the upper shell and the lower shell, and an air exhaust sealing head and a diesel exhaust sealing head are designed on the valve seat in the air outlet and the valve seat in the diesel outlet respectively corresponding to the upper end and the lower end of the floater. The invention solves the problems that the common diesel filter can not exhaust air and water to influence the work of the engine and the latest automatic air exhaust diesel filter has complex structure, higher cost and unsatisfactory air exhaust effect and work instability and is difficult to manufacture, and the diesel-air separator is applicable to diesel supply systems of various diesel motor vehicles.
Description
(1) technical field: the present invention relates to the auxiliary equipment in the diesel car oil supply system, especially a kind of used for diesel engine deaerator.
(2) background technique: in the oil circuit of well-known diesel engine some air can not be arranged, in case there is air engine just can not work, especially modern electronic fuel injection engine, its high pressure fuel pump will lean on diesel fuel lubricity.In a single day lack diesel oil in the high-pressure service pump, its wearing and tearing are very serious.The exhaust of diesel engine oil circuit is very loaded down with trivial details mostly, has brought exhaust work very difficult, and diesel oil and bubble are drained together during emptying gas, will waste a lot of diesel oil.For this reason, model utility and patent of invention that the applicant had once applied for a kind of automatically removing air diesel oil oil purifier on January 5th, 2009, and successively grant patent, this patent has had important breakthrough for the air of getting rid of in the diesel car oil supply system, but structure is comparatively complicated, make difficulty, cost is higher, for existing vehicle, must change original oil purifier, because price is higher, the user is difficult to accept, and through using its exhaust effect of discovery and working stability not ideal enough.On the other hand, this patent oil purifier does not have eliminating measure to micro-moisture in the diesel oil.The water of long-term accumulation also can bring harm to motor.
(3) summary of the invention: purpose of the present invention will solve in the existing diesel engine oil supply system does not exactly have the deaeration device, have a strong impact on the engine operation performance, and up-to-date automatically removing air diesel oil oil purifier, complex structure, make difficulty, cost is higher, can not draining, and the dissatisfactory problem of exhaust effect and working stability provides a kind of used for diesel engine deaerator.
Concrete scheme of the present invention is: a kind of used for diesel engine deaerator, upper and lower casing with butt joint, constitute accumulator in the upper and lower casing, it is characterized in that: on the sidewall of upper shell or lower shell body, have filler opening, the top of upper shell has relief opening, valve seat is housed in the relief opening, and the bottom of lower shell body is provided with oil outlet, and valve seat is housed in the oil outlet; And be placed with a float in last lower shell body, valve seat and the seat design in the oil outlet in the corresponding respectively relief opening of upper and lower end of float have exhaust sealing head and fuel-displaced sealing head.
In order to make the present invention can get rid of air in the oil supply system, can get rid of water wherein again, the valve seat upper-end surface described in the present invention in the oil outlet is higher than the bottom surface of lower shell body, and has the dewatering orifice in the bottom of lower shell body, and drain screw is installed.
In order to make corresponding with it the respectively valve seat of exhaust sealing head and fuel-displaced sealing head when needs are closed, have excellent sealing performance, valve seat described in the present invention in the relief opening and the valve seat in the oil outlet, floss hole on two valve seats is taper mouth, and exhaust sealing head on the described float and fuel-displaced sealing head are respectively and the corresponding conical head of two valve seat taper mouths.Certainly floss hole and the sealing head of making other shape also are feasible, as long as can be sealed to each other.
In order to guarantee that exhaust sealing head and fuel-displaced sealing head keep accurate contraposition at any time, among the present invention on float the head design of one of the head of two sealing heads or two sealing heads anti-drop rod is arranged, the present invention can also realize their accurate contraposition by the vertically-guided mechanism of design float; Perhaps the distance between two sealing heads of appropriate design guarantees that both can not break away from two valve seats, as the outer end distance of the design sealing head relative distance greater than two valve seat external port, and gets final product less than the relative distance of two valve seat inner port.
For convenience motor does not start once more because of after having diesel oil and stopping working, and does not need hand pump oil, and the present invention is equipped with outlet pipe in the relief opening outside of upper shell, and outlet valve is installed on the outlet pipe.
Grasp the separation case that the present invention uses oil, gas, water for convenience, designing on the lower shell body sidewall among the present invention has transparent windows.
The present invention is simple in structure, low cost of manufacture, and it can dock use with common diesel-oil filter, also can make one with diesel-oil filter, can be used for the installation of new car, can conveniently install additional again the vehicle in existing the use, moderate cost, the user takes like a shot.After diesel engine oil supply system is loaded onto the present invention, can effectively stop air and water to enter high pressure oil pump, effective, working stability, and have following beneficial effect:
1, ensures in the electric spraying diesel engine EFI high pressure oil pump accumulator that enough diesel fuel lubricities are arranged, protected high-pressure service pump.
2, automatic vent function: gas leakage slowly in the low pressure oil circuit (or penetration temperature disappeared and in time changed low grade diesel oil winter, infiltrated air in the oil circuit), can and drain automatically air separation, though engine power descends to some extent, but still can move.
3, make the deaeration job simplification.
4, prevent the fuel oil waste, during exhaust, diesel oil does not emit with bubble.
5, anti-sealing prolongs high pressure oil pump working life to the infringement of high pressure oil pump.
(4) description of drawings:
Fig. 1 is a general structure schematic representation of the present invention.
Among the figure: 1-filler opening, 2-oil outlet, 3-valve seat, the fuel-displaced sealing head of 4-, 5-accumulator, 6-float, 7-exhaust sealing head, 8-valve seat, 9-relief opening, 10-upper shell, 11-lower shell body, the 12-outlet valve, 13-outlet pipe, 14-drain screw, 15-anti-drop rod, 16-transparent windows.
(5) embodiment:
Referring to Fig. 1, the present invention have butt joint on, lower shell body 10 and 11, on, constitute accumulator 5 in the lower shell body 10 and 11, particularly: also can open on the lower shell body sidewall having filler opening 1(filler opening 1 on the sidewall of upper shell 10, as long as guarantee of work oil plane is above oil outlet), the top of upper shell 10 has relief opening 9, valve seat 8 is housed in the relief opening 9, design has transparent windows 16(also can adopt transparent material to make the lower shell body or the lower shell body first half on the sidewall of lower shell body 11), the bottom of lower shell body 11 is provided with oil outlet 2, and valve seat 3 is housed in the oil outlet 2; And the head design that is placed with on the float 6(float 6 two sealing heads 4 and 7 in upper and lower casing 10 and 11 has anti-drop rod 15), valve seat 8 in the corresponding respectively relief opening 9 of upper and lower end of float 6 and 3 designs of the valve seat in the oil outlet 2 have exhaust sealing head 7 and fuel-displaced sealing head 4.
Valve seat 3 upper-end surfaces in the oil outlet described in the present embodiment 2 are higher than the bottom surface of lower shell body 11, and have the dewatering orifice in the bottom of lower shell body 11, and drain screw 14 is installed in the dewatering orifice.
Floss hole on valve seat 8 in the relief opening described in the present embodiment 9 and 3, two valve seats 3 of the valve seat in the oil outlet 2 and 8 is taper mouth, and exhaust sealing head 7 and fuel-displaced sealing head 4 on the described float 6 are the conical head corresponding with taper mouth.
In the present embodiment also relief opening 9 outsides at upper shell 10 outlet pipe 13 is housed, outlet valve 12 is installed on the outlet pipe 13.Promptly constitute preferred forms of the present invention.
Working principle of the present invention is: referring to Fig. 1, the present invention is installed in after the diesel oil secondary filter in using, and before the high pressure oil pump, oil outlet 2 is a little more than high pressure oil pump (its housing 10 and diesel-oil filter are made one and formed " arranging air-strainer automatically ").⑴ diesel oil filters the back through filter cleaner and enters accumulator 5 by filler opening 1, and float 6 come-ups are closed relief opening 9, break away from valve seat 3, and fuel oil enters high pressure oil pump through oil outlet 2, guarantees the motor normal fuel injection.⑵ have the part air together to move with diesel oil in the low pressure oil circuit to enter accumulator 5, because air is lighter than diesel oil, air separates with diesel oil, and air accumulation is at the top, and diesel oil still flows to high-pressure service pump through oil outlet 2.Oil in the accumulator 5 continues to descend, float 6 also descends a little thereupon, separate with valve seat 8 to exhaust sealing head 7, air is discharged through relief opening 9, rises on the oily plane, and float 6 rises, exhaust sealing head 7 seal valve seats 8, recover normal fuel injection, though fuel feeding has certain wave, the output power that can the guarantee motor operation of between 80%-100%, fluctuating.⑶ when there not being diesel oil to have only air to enter accumulator 5, the oil plane descends, float 6 descends and opens relief opening 9 fully, air is discharged through relief opening 9, lose pressure in the accumulator 5, the diesel oil of low pressure oil circuit supply high-pressure service pump is less, engine power obviously descends, and gives driver's early warning, along with oily plane constantly descends, fuel-displaced sealing head 4 final shutoff valve seats 3, close oil outlet 2 and stop to high pressure fuel supply pump, become vacuum in the high-pressure service pump accumulator, high pressure oil pump can not oil suction and pump oil, motor is out of service, but the high-pressure service pump oil conservator does not have air to have sufficient diesel oil to guarantee that it is lubricated.4., after oiling in accumulator 5, float 6 rises and opens oil outlet 2, has closed relief opening 9, forms certain pressures in the accumulator 5 and recovers normal fuel injection to high-pressure service pump, ensures engine operation.5. draining: when in the accumulator 5 water being arranged, can discharge water, not allow water enter in the high pressure oil pump by screwing off drain screw 13.
Claims (6)
1. used for diesel engine deaerator, upper and lower casing with butt joint, constitute accumulator in the upper and lower casing, it is characterized in that: on the sidewall of upper shell or lower shell body, have filler opening, the top of upper shell has relief opening, valve seat is housed in the relief opening, and the bottom of lower shell body is provided with oil outlet, and valve seat is housed in the oil outlet; And be placed with a float in last lower shell body, valve seat and the seat design in the oil outlet in the corresponding respectively relief opening of upper and lower end of float have exhaust sealing head and fuel-displaced sealing head.
2. used for diesel engine deaerator according to claim 1 is characterized in that: the valve seat upper-end surface in the described oil outlet is higher than the bottom surface of lower shell body, and has the dewatering orifice in the bottom of lower shell body, and drain screw is installed in the dewatering orifice.
3. used for diesel engine deaerator according to claim 1, it is characterized in that: valve seat in the described relief opening and the valve seat in the oil outlet, floss hole on two valve seats is taper mouth, and exhaust sealing head on the described float and fuel-displaced sealing head are respectively and the corresponding conical head of two valve seat taper mouths.
4. used for diesel engine deaerator according to claim 1 is characterized in that: the head design of one of the head of two sealing heads or two sealing heads has anti-drop rod on float.
5. used for diesel engine deaerator according to claim 1 is characterized in that: outlet pipe is equipped with in the relief opening outside at upper shell, and outlet valve is installed on the outlet pipe.
6. used for diesel engine deaerator according to claim 1 is characterized in that: design has transparent windows on the lower shell body sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110131525 CN102220923A (en) | 2011-05-20 | 2011-05-20 | Diesel-air separator for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110131525 CN102220923A (en) | 2011-05-20 | 2011-05-20 | Diesel-air separator for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102220923A true CN102220923A (en) | 2011-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110131525 Pending CN102220923A (en) | 2011-05-20 | 2011-05-20 | Diesel-air separator for diesel engine |
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| Country | Link |
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| CN (1) | CN102220923A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840071A (en) * | 2012-06-13 | 2012-12-26 | 张银科 | Novel automatic air removal diesel filter |
| CN103357201A (en) * | 2013-07-30 | 2013-10-23 | 中国人民解放军后勤工程学院 | Oil pump vehicle evacuation oil-gas separator |
| CN104110337A (en) * | 2014-07-09 | 2014-10-22 | 黄梅福德银汽配有限公司 | Automatic exhaust diesel filtering base |
| CN105156240A (en) * | 2015-08-24 | 2015-12-16 | 太仓澄天机械有限公司 | Diesel engine oil way exhaust device |
| CN105156241A (en) * | 2015-08-24 | 2015-12-16 | 太仓澄天机械有限公司 | Diesel engine fuel oil air removal device |
| CN107269434A (en) * | 2016-04-08 | 2017-10-20 | 现代自动车株式会社 | Diesel fuel filter for vehicle |
| CN116498468A (en) * | 2022-11-17 | 2023-07-28 | 内蒙古农业大学 | Degassing devices for engine oil supply lines, engine oil supply systems and agricultural machinery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD251081A1 (en) * | 1983-12-30 | 1987-11-04 | Zentr Pruefstelle F Landtechni | DEGASSING DEVICE, ESPECIALLY FOR FUEL SUPPLY EQUIPMENT |
| US4708157A (en) * | 1986-10-07 | 1987-11-24 | Flowtron Industries, Inc. | Air eliminator for fluid handling systems |
| CN2300438Y (en) * | 1997-07-30 | 1998-12-16 | 永嘉县石化液压设备厂 | Device for degasification of oil |
| CN2438843Y (en) * | 2000-10-10 | 2001-07-11 | 白晓东 | Oil-gas water separating filter assembly for diesel engine |
| CN2745632Y (en) * | 2004-11-05 | 2005-12-14 | 李良清 | Cyclon oil gas separating device having liquid level automatic controller |
-
2011
- 2011-05-20 CN CN 201110131525 patent/CN102220923A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD251081A1 (en) * | 1983-12-30 | 1987-11-04 | Zentr Pruefstelle F Landtechni | DEGASSING DEVICE, ESPECIALLY FOR FUEL SUPPLY EQUIPMENT |
| US4708157A (en) * | 1986-10-07 | 1987-11-24 | Flowtron Industries, Inc. | Air eliminator for fluid handling systems |
| CN2300438Y (en) * | 1997-07-30 | 1998-12-16 | 永嘉县石化液压设备厂 | Device for degasification of oil |
| CN2438843Y (en) * | 2000-10-10 | 2001-07-11 | 白晓东 | Oil-gas water separating filter assembly for diesel engine |
| CN2745632Y (en) * | 2004-11-05 | 2005-12-14 | 李良清 | Cyclon oil gas separating device having liquid level automatic controller |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840071A (en) * | 2012-06-13 | 2012-12-26 | 张银科 | Novel automatic air removal diesel filter |
| CN103357201A (en) * | 2013-07-30 | 2013-10-23 | 中国人民解放军后勤工程学院 | Oil pump vehicle evacuation oil-gas separator |
| CN104110337A (en) * | 2014-07-09 | 2014-10-22 | 黄梅福德银汽配有限公司 | Automatic exhaust diesel filtering base |
| CN105156240A (en) * | 2015-08-24 | 2015-12-16 | 太仓澄天机械有限公司 | Diesel engine oil way exhaust device |
| CN105156241A (en) * | 2015-08-24 | 2015-12-16 | 太仓澄天机械有限公司 | Diesel engine fuel oil air removal device |
| CN107269434A (en) * | 2016-04-08 | 2017-10-20 | 现代自动车株式会社 | Diesel fuel filter for vehicle |
| CN107269434B (en) * | 2016-04-08 | 2020-10-09 | 现代自动车株式会社 | Diesel filter for vehicle |
| CN116498468A (en) * | 2022-11-17 | 2023-07-28 | 内蒙古农业大学 | Degassing devices for engine oil supply lines, engine oil supply systems and agricultural machinery |
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Application publication date: 20111019 |