CN110145413B - Oil feeding system - Google Patents
Oil feeding system Download PDFInfo
- Publication number
- CN110145413B CN110145413B CN201910534117.0A CN201910534117A CN110145413B CN 110145413 B CN110145413 B CN 110145413B CN 201910534117 A CN201910534117 A CN 201910534117A CN 110145413 B CN110145413 B CN 110145413B
- Authority
- CN
- China
- Prior art keywords
- oil
- diaphragm
- oil inlet
- vacuum chamber
- negative pressure
- 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.)
- Active
Links
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 175
- 239000000446 fuel Substances 0.000 description 11
- 238000007789 sealing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
- F02M17/02—Floatless carburettors
- F02M17/04—Floatless carburettors having fuel inlet valve controlled by diaphragm
-
- 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
- F02M19/00—Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 - F02M17/00
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 invention discloses an oil feeding system, which comprises an oil feeding system main body, a negative pressure oil inlet system arranged at the upper end of the oil feeding system main body and an oil injection system arranged at the lower end of the oil feeding system main body, wherein a negative pressure hole I is formed at the left upper end of the oil feeding system main body; the invention can reduce the hand pulling times when the engine is started, is replaced by the oiling system, is better in time and labor saving, and can also effectively solve the oil leakage phenomenon of unbalanced oil liquid level under the severe working condition.
Description
Technical Field
The invention relates to the technical field of carburettors, in particular to an oil supply system.
Background
The carburetor is a mechanical device for mixing a certain proportion of gasoline with air under the vacuum effect generated by the operation of an engine. The carburetor can automatically proportion corresponding concentration according to different working state demands of the engine and output corresponding amount of mixed gas, and in order to ensure that the mixed gas is uniformly mixed, the carburetor also has the effect of atomizing fuel oil so as to ensure that the machine normally operates.
At present, the small-sized petrol engine series carburettors commonly used in the market mostly adopt oil pressure difference to directly feed oil, the oil in the oil tank enters the float chamber cavity through the height difference between the oil tank and the carburettor, when the engine is in a long-time non-working state, the carburettor with an oil switch structure needs to be manually closed to close the oil feeding pipeline, the carburettor without the oil switch structure cannot be closed, and the oil is directly communicated with the float chamber cavity. The oil switch is closed and opened by the two structures, so that the operation is complex and inconvenient; continuous oil feeding can not be adjusted, and oil leakage is easy. Accordingly, an oil delivery system is provided to solve the problems set forth in the background art.
Disclosure of Invention
The present invention is directed to an oil supply system for solving the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the oil feeding system comprises an oil feeding system main body, a negative pressure oil feeding system arranged at the upper end of the oil feeding system main body and an oil injection system arranged at the lower end of the oil feeding system main body, wherein a negative pressure hole I is formed in the upper left end of the oil feeding system main body, an oil inlet cavity is formed in the upper right end of the oil feeding system main body, the negative pressure oil feeding system is fixedly arranged at the upper end of the oil inlet cavity, a negative pressure cover is arranged at the upper end of the negative pressure oil feeding system, a vacuum chamber of a cavity structure is arranged in the middle of the negative pressure cover, a negative pressure hole II communicated with the vacuum chamber is formed in the upper left end of the negative pressure cover, the lower left end of the negative pressure hole II is communicated with the upper right end of the negative pressure hole I through a connecting hole, an upper vacuum chamber diaphragm is arranged at the upper end of the vacuum chamber, a lower vacuum chamber diaphragm is arranged at the upper end of the oil inlet cavity, and a vacuum chamber diaphragm spring is arranged between the upper diaphragm and the lower diaphragm of the vacuum chamber;
preferably, a reset spring is fixedly arranged on the lower end face of the oil feeding system main body in the oil cup, an oil inlet one-way valve assembly and two oil outlet one-way valve assemblies are fixedly arranged at the bottom of the oil feeding system and on the end face of the oil feeding system main body, the oil inlet one-way valve assembly is communicated with an oil inlet I formed in the side face of an oil inlet cavity, an oil inlet pipe is fixedly communicated with the port of the oil inlet I, the lower end of one oil outlet one-way valve assembly is communicated with an oil outlet I formed in the oil feeding system main body, and the lower end of the other oil outlet one-way valve assembly is communicated with an oil outlet II formed in the oil feeding system main body.
Preferably, the lower end of the upper diaphragm of the vacuum chamber is attached with an upper diaphragm spring positioning plate, the upper end of the lower diaphragm of the vacuum chamber is attached with a lower diaphragm spring positioning plate, and the upper end and the lower end of the diaphragm spring of the vacuum chamber are respectively abutted against the upper diaphragm spring positioning plate and the lower diaphragm spring positioning plate.
Preferably, vent holes I which are uniformly distributed are formed in the upper end of the upper diaphragm of the vacuum chamber, and vent holes II are formed in the middle of the upper diaphragm spring positioning plate.
Preferably, the middle of the oil inlet one-way valve assembly is provided with an oil inlet groove, the upper end of the oil inlet groove is provided with an oil inlet hole II communicated with an oil inlet hole I, an oil inlet one-way valve is fixedly installed at the port of the oil inlet groove, a diaphragm sealing valve seat is fixedly installed at the bottom of the oil inlet groove, a one-way valve diaphragm I is attached to the lower end face of the diaphragm sealing valve seat, and a one-way valve diaphragm spring I is arranged between the one-way valve diaphragm I and the oil inlet one-way valve.
Preferably, the centre of play oily check valve subassembly is equipped with out the oil groove, and goes out the bottom of oil groove and seted up go out oil hole III, go out the port department fixed mounting of oil groove and go out oily check valve, and the laminating of the lower extreme at play oily check valve has check valve diaphragm II, be equipped with check valve diaphragm spring II between the bottom of check valve diaphragm II and play oil groove.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality and has the following advantages:
1. the number of hand pulling times when the engine is started can be reduced, and the hand pulling times are replaced by an oiling system, so that time and labor are saved better;
2. the oil leakage phenomenon of unbalanced oil liquid level under severe working conditions can be effectively solved.
Drawings
FIG. 1 is a front elevational view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure at A-A in FIG. 1;
FIG. 3 is an enlarged schematic view of the partial structure of FIG. 2D;
FIG. 4 is a top plan view of the structure of the present invention;
FIG. 5 is a schematic view of the cross-sectional structure at B-B in FIG. 4;
FIG. 6 is a schematic view of the cross-sectional structure at C-C in FIG. 4;
FIG. 7 is a schematic view of the cross-sectional structure at D-D in FIG. 4;
FIG. 8 is an enlarged schematic view of the partial structure at I in FIG. 5;
fig. 9 is an enlarged schematic view of the partial structure at II in fig. 6.
In the figure: 1. an oil feed system body; 2. a negative pressure oil inlet system; 3. an oiling system; 4. an oil inlet pipe; 5. an oil inlet check valve assembly; 6. an oil outlet one-way valve assembly; 102. a negative pressure hole I; 103. a connection hole; 104. an oil inlet cavity; 105. an oil inlet I; 106. an oil outlet I; 107. an oil outlet II; 201. a negative pressure cover; 202. a negative pressure hole II; 203. a vacuum chamber; 204. a diaphragm on the vacuum chamber; 205. a vacuum chamber lower diaphragm; 206. an upper diaphragm spring positioning plate; 207. a lower diaphragm spring positioning plate; 208. a vacuum chamber diaphragm spring; 209. a vent hole I; 210. a vent hole II; 301. an oil cup; 302. a return spring; 501. an oil inlet groove; 502. an oil inlet hole II; 503. the diaphragm seals the valve seat; 504. an oil inlet one-way valve; 505. a one-way valve diaphragm I; 506. a one-way valve diaphragm spring I; 601. an oil outlet groove; 602. an oil outlet hole III; 603. an oil outlet one-way valve; 604. a one-way valve diaphragm II; 605. one-way valve diaphragm spring II.
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. 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.
Referring to fig. 1 to 9, the present invention provides a technical solution: the oil feeding system comprises an oil feeding system main body 1, a negative pressure oil feeding system 2 arranged at the upper end of the oil feeding system main body 1 and an oil injection system 3 arranged at the lower end of the oil feeding system main body 1, wherein a negative pressure hole I102 is formed in the upper left end of the oil feeding system main body 1, an oil inlet cavity 104 is formed in the upper right end of the oil feeding system main body 1, the negative pressure oil feeding system 2 is fixedly arranged at the upper end of the oil inlet cavity 104, a negative pressure cover 201 is arranged at the upper end of the negative pressure oil feeding system 2, a vacuum chamber 203 of a cavity structure is arranged in the middle of the negative pressure cover 201, a negative pressure hole II 202 communicated with the vacuum chamber 203 is formed in the upper left end of the negative pressure cover 201, a vacuum chamber upper diaphragm 204 is arranged at the lower left end of the vacuum chamber 202 and the upper right end of the negative pressure hole I102 is communicated with the connecting hole 103, a vacuum chamber lower diaphragm 205 is arranged at the upper end of the oil inlet cavity 104, and a vacuum chamber diaphragm spring 208 is arranged between the vacuum chamber upper diaphragm 204 and the vacuum chamber lower diaphragm 205;
the outside of oiling system 3 is equipped with the oil cup 301 that is connected with the lower terminal surface of oil feeding system main part 1, and in oil cup 301 and on the lower terminal surface of oil feeding system main part 1 fixed mounting return spring 302, the bottom of oiling system 3 and on the terminal surface of oil feeding system main part 1 fixed be equipped with into oil check valve subassembly 5 and two go out oil check valve subassemblies 6, advance oil check valve subassembly 5 and advance oil hole I105 that oil cavity 104 side was offered and be linked together, and fixed intercommunication has oil pipe 4 in the port department of oil hole I105, and the lower extreme of one of them go out oil check valve subassembly 6 is linked together with the oil outlet I106 that is offered in the oil feeding system main part 1, the lower extreme of another go out oil check valve subassembly 6 is linked together with the oil outlet II 107 that offers in the oil feeding system main part 1, wherein, the other end of oil outlet I106 is linked together with the high-speed inlet port of engine, and the tip of high-speed inlet port is linked together with the main nozzle mounting duct of engine, the other end of oil inlet II is linked together with the float formula oil storage tank of engine, this kind of structure can keep the whole oil level can keep the oil level can not leak because of the oil feeding system is high.
Further, the lower end of the upper diaphragm 204 of the vacuum chamber is attached with an upper diaphragm spring positioning plate 206, the upper end of the lower diaphragm 205 of the vacuum chamber is attached with a lower diaphragm spring positioning plate 207, and the upper and lower ends of the diaphragm spring 208 of the vacuum chamber are respectively abutted against the upper diaphragm spring positioning plate 206 and the lower diaphragm spring positioning plate 207.
Further, the upper end of the upper diaphragm 204 of the vacuum chamber is provided with uniformly arranged vent holes I209, the middle of the upper diaphragm spring positioning plate 206 is provided with vent holes II 210, when the upper diaphragm 204 of the vacuum chamber is recessed downwards under the action of the negative pressure suction force of the negative pressure hole II 202, the upper diaphragm 204 of the vacuum chamber is separated from the surface of the upper diaphragm spring positioning plate 206, so that the negative pressure hole II 202 is communicated with the cavity in the middle of the vacuum chamber 203, and then the cavity in the middle of the vacuum chamber 203 generates a negative pressure effect, which results in the lower diaphragm 205 of the vacuum chamber being pressed downwards, so that the oil inlet cavity 104 below the lower diaphragm 205 of the vacuum chamber generates negative pressure suction force, and further oil is absorbed from the oil inlet pipe 4.
Further, an oil inlet groove 501 is formed in the middle of the oil inlet one-way valve assembly 5, an oil inlet hole II 502 communicated with an oil inlet hole I105 is formed in the upper end of the oil inlet groove 501, an oil inlet one-way valve 504 is fixedly mounted at the port of the oil inlet groove 501, a diaphragm seal valve seat 503 is fixedly mounted at the bottom of the oil inlet groove 501, a one-way valve diaphragm I505 is attached to the lower end face of the diaphragm seal valve seat 503, a one-way valve diaphragm spring I506 is arranged between the one-way valve diaphragm I505 and the oil inlet one-way valve 504, when negative pressure is generated in the oil cup 301, the one-way valve diaphragm I505 is separated from the diaphragm seal valve seat 503, and oil flows into the oil cup 301 from the oil inlet hole I105 through the diaphragm seal valve seat 503, the oil inlet groove 501 and the oil inlet one-way valve 504.
Further, the middle of the oil outlet check valve assembly 6 is provided with an oil outlet groove 601, an oil outlet hole III 602 is formed in the bottom of the oil outlet groove 601, an oil outlet check valve 603 is fixedly installed at a port of the oil outlet groove 601, a check valve diaphragm II 604 is attached to the lower end of the oil outlet check valve 603, a check valve diaphragm spring II 605 is arranged between the check valve diaphragm II 604 and the bottom of the oil outlet groove 601, when the pressure in the oil cup 301 is increased, the check valve diaphragm II 604 is separated from the oil outlet check valve 603, and oil is shunted into the oil outlet I106 and the oil outlet II 107 from the oil cup 301 through the oil outlet check valve 603, the oil outlet groove 601 and the oil outlet hole III 602.
Working principle: the whole oil feeding system is communicated with an oil tank of an engine through an oil inlet pipe 4, oil in the oil tank directly enters an oil inlet cavity 104 from the oil inlet pipe 4 through an oil inlet hole I105 and presses an oil cup 301 for about 2-3 times, and the pressing process generates positive pressure on a one-way valve diaphragm I505, so that the one-way valve diaphragm I505 is tightly attached to a diaphragm sealing valve seat 503, the oil inlet hole II 502 is kept in a normally closed state, and the oil cannot enter the oil cup; then, the return spring 302 needs to be restored under the action of the pressing pressure, at the moment, the check valve diaphragm spring I506 and the check valve diaphragm I505 are driven to move downwards simultaneously under the dual actions of the reaction force and the oil pressure formed in the restoring process, and then the check valve diaphragm I505 is separated from the diaphragm sealing valve seat 503, so that the fuel enters the fuel storage cavity where the fuel cup 301 is located through the fuel inlet transverse hole on the fuel inlet check valve 504, and finally the fuel cup 301 is filled with the fuel. Then, the oil cup 301 filled with the fuel is pressed for about 2-3 times, and the pressure formed in the oil cup 301 exceeds the elastic force of the check valve diaphragm spring II 605 in the oil outlet check valve assembly 6 in the pressing process, so that the check valve diaphragm II 604 and the oil outlet check valve 603 are separated, the fuel enters the oil outlet I106 and the oil outlet II 107 respectively through the oil outlet check valve 603, the oil outlet tank 601 and the oil outlet III 602, and the fuel is further injected into the main spray pipe mounting pore canal through the high-speed air inlet after entering the oil outlet I106, and the fuel entering the oil outlet II 107 flows back into the oil storage cavity of the float chamber.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides an oil feeding system, includes oil feeding system main part (1), negative pressure oil feed system (2) that oil feeding system main part (1) upper end was established and oiling system (3) that oil feeding system main part (1) lower extreme was established, its characterized in that: the oil feeding system comprises an oil feeding system main body (1), wherein a negative pressure hole I (102) is formed in the left upper end of the oil feeding system main body (1), an oil inlet cavity (104) is formed in the right upper end of the oil feeding system main body (1), a negative pressure oil inlet system (2) is fixedly arranged at the upper end of the oil inlet cavity (104), a negative pressure cover (201) is arranged at the upper end of the negative pressure oil inlet system (2), a vacuum chamber (203) of a cavity structure is arranged in the middle of the negative pressure cover (201), a negative pressure hole II (202) communicated with the vacuum chamber (203) is formed in the left upper end of the negative pressure cover (201), the left lower end of the negative pressure hole II (202) is communicated with the right upper end of the negative pressure hole I (102) through a connecting hole (103), an upper vacuum chamber diaphragm (204) is arranged at the upper end of the vacuum chamber (203), a lower vacuum chamber diaphragm (205) is arranged at the upper end of the oil inlet cavity (104), and a vacuum chamber diaphragm spring (208) is arranged between the upper vacuum chamber diaphragm (204) and the lower vacuum chamber diaphragm (205);
the oil injection system is characterized in that an oil cup (301) fixedly connected with the lower end face of the oil feed system main body (1) is arranged on the outer side of the oil injection system (3), a return spring (302) is fixedly arranged in the oil cup (301) and on the lower end face of the oil feed system main body (1), an oil inlet one-way valve assembly (5) and two oil outlet one-way valve assemblies (6) are fixedly arranged at the bottom of the oil injection system (3) and on the end face of the oil feed system main body (1), the oil inlet one-way valve assemblies (5) are communicated with an oil inlet I (105) formed in the side face of an oil inlet cavity (104), an oil inlet pipe (4) is fixedly communicated at the port of the oil inlet I (105), the lower end of one oil outlet one-way valve assembly (6) is communicated with an oil outlet I (106) formed in the oil feed system main body (1), and the lower end of the other oil outlet one-way valve assembly (6) is communicated with an oil outlet II (107) formed in the oil feed system main body (1);
an oil inlet groove (501) is formed in the middle of the oil inlet one-way valve assembly (5), an oil inlet hole II (502) communicated with the oil inlet hole I (105) is formed in the upper end of the oil inlet groove (501), an oil inlet one-way valve (504) is fixedly arranged at a port of the oil inlet groove (501), a diaphragm seal valve seat (503) is fixedly arranged at the bottom of the oil inlet groove (501), a one-way valve diaphragm I (505) is attached to the lower end face of the diaphragm seal valve seat (503), and a one-way valve diaphragm spring I (506) is arranged between the one-way valve diaphragm I (505) and the oil inlet one-way valve (504);
the middle of play oil check valve subassembly (6) is equipped with oil groove (601), and oil outlet III (602) have been seted up to the bottom of play oil groove (601), the port department fixed mounting of play oil check valve (603) of play oil groove (601), and the laminating of the lower extreme at play oil check valve (603) has check valve diaphragm II (604), be equipped with check valve diaphragm spring II (605) between the bottom of check valve diaphragm II (604) and play oil groove (601).
2. An oil delivery system according to claim 1, wherein: the upper end of the upper diaphragm (204) of the vacuum chamber is attached with an upper diaphragm spring positioning plate (206), the upper end of the lower diaphragm (205) of the vacuum chamber is attached with a lower diaphragm spring positioning plate (207), and the upper end and the lower end of the diaphragm spring (208) of the vacuum chamber are respectively abutted against the upper diaphragm spring positioning plate (206) and the lower diaphragm spring positioning plate (207).
3. An oil delivery system according to claim 2, wherein: the upper end of the upper diaphragm (204) of the vacuum chamber is provided with uniformly distributed vent holes I (209), and the middle of the upper diaphragm spring positioning plate (206) is provided with vent holes II (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534117.0A CN110145413B (en) | 2019-06-19 | 2019-06-19 | Oil feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534117.0A CN110145413B (en) | 2019-06-19 | 2019-06-19 | Oil feeding system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110145413A CN110145413A (en) | 2019-08-20 |
| CN110145413B true CN110145413B (en) | 2024-02-13 |
Family
ID=67595813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910534117.0A Active CN110145413B (en) | 2019-06-19 | 2019-06-19 | Oil feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110145413B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761840A (en) * | 2021-01-29 | 2021-05-07 | 福建省大立通用机电制造有限公司 | Easy starting device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB413630A (en) * | 1932-10-14 | 1934-07-19 | Robert Watchorn | Improvements in carburettors |
| CN1333427A (en) * | 2000-07-17 | 2002-01-30 | 株式会社京浜 | Vacuum setting type carburetor negative pressure action valve |
| DE10330457A1 (en) * | 2003-07-05 | 2005-02-10 | Festo Ag & Co.Kg | Compressed air lubricator has feed component dividing working chamber into control chamber and dosing chamber, with check valve opening in direction of main passage incorporated in dosing passage connected to dosing chamber |
| CN104100413A (en) * | 2013-04-02 | 2014-10-15 | 陈俭敏 | Carburetor |
| CN106460729A (en) * | 2015-07-10 | 2017-02-22 | 江门华联工业有限公司 | Carburetor with novel starter fuel system |
| CN207393343U (en) * | 2017-05-23 | 2018-05-22 | 郑节昭 | Power modified form diaphragm type carburator |
| CN210343529U (en) * | 2019-06-19 | 2020-04-17 | 福建省大立通用机电制造有限公司 | Novel oil feeding system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6886543B2 (en) * | 2003-08-04 | 2005-05-03 | Honda Motor Co., Ltd. | Fuel supply control system for engine |
| JP2006194087A (en) * | 2005-01-11 | 2006-07-27 | ＴＩ Ｗａｌｂｒｏ Ｊａｐａｎ株式会社 | Diaphragm type carburetor |
-
2019
- 2019-06-19 CN CN201910534117.0A patent/CN110145413B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB413630A (en) * | 1932-10-14 | 1934-07-19 | Robert Watchorn | Improvements in carburettors |
| CN1333427A (en) * | 2000-07-17 | 2002-01-30 | 株式会社京浜 | Vacuum setting type carburetor negative pressure action valve |
| DE10330457A1 (en) * | 2003-07-05 | 2005-02-10 | Festo Ag & Co.Kg | Compressed air lubricator has feed component dividing working chamber into control chamber and dosing chamber, with check valve opening in direction of main passage incorporated in dosing passage connected to dosing chamber |
| CN104100413A (en) * | 2013-04-02 | 2014-10-15 | 陈俭敏 | Carburetor |
| CN106460729A (en) * | 2015-07-10 | 2017-02-22 | 江门华联工业有限公司 | Carburetor with novel starter fuel system |
| CN207393343U (en) * | 2017-05-23 | 2018-05-22 | 郑节昭 | Power modified form diaphragm type carburator |
| CN210343529U (en) * | 2019-06-19 | 2020-04-17 | 福建省大立通用机电制造有限公司 | Novel oil feeding system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110145413A (en) | 2019-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110145413B (en) | Oil feeding system | |
| CN105508107A (en) | Integrated high-pressure oil pump assembly for high-pressure common-rail fuel injection system of diesel engine | |
| CN210977726U (en) | Exhaust structure of fuel prefilter | |
| CN210343529U (en) | Novel oil feeding system | |
| JPS6027837Y2 (en) | Connection device between diaphragm and operating rod | |
| CN205315181U (en) | Integrated form diesel engine high pressure common rail fuel injection high -pressure oil pump assembly for system | |
| CN108119205B (en) | Crankcase ventilation cleaning device | |
| CN215408912U (en) | Diaphragm carburetor with manual enrichment function for oil tank arranged above carburetor | |
| CN201176975Y (en) | Chain saw lubrication oil supply pump | |
| CN105756820B (en) | Combined type is pressurized the non pressurized piezoelectricity jet hybrid fuel jet device of electromagnetic fuel injection | |
| CN214533289U (en) | High-temperature-resistant self-circulation device | |
| CN214741732U (en) | Improved oil inlet system | |
| CN203499856U (en) | Carburetor | |
| CN105756825A (en) | Combined electromagnetic fuel oil injection and pressurizing piezoelectric fuel gas injection mixed fuel injection device | |
| CN219865273U (en) | Reverse injection and back suction structure of two-stroke gasoline engine | |
| CN215927628U (en) | Fuel supply system and vacuum oil switch thereof | |
| CN205297772U (en) | Sprayer suitable for direct injection gaseous fuel | |
| CN212643029U (en) | Easy starting device of gasoline high-pressure cleaning machine | |
| CN220890345U (en) | Dual-fuel carburetor | |
| CN105756822A (en) | Combined dual pressurizing electromagnetic fuel oil injection and piezoelectric fuel gas injection mixed fuel injection device | |
| CN210948964U (en) | Common rail high-pressure oil inlet and outlet valve assembly and common rail high-pressure oil supply pump | |
| CN219529162U (en) | Novel engine oil way structure | |
| CN220151462U (en) | Air-exhaust-free oil injection pump for small air-cooled diesel engine | |
| CN212898748U (en) | Carburetor type gasoline engine oil supply device with lower oil tank | |
| CN217354556U (en) | Float type carburetor with double pump bodies |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |