CN113550848B - Diesel constant flow brushless starting pump assembly and controller - Google Patents
Diesel constant flow brushless starting pump assembly and controller Download PDFInfo
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- CN113550848B CN113550848B CN202110757969.3A CN202110757969A CN113550848B CN 113550848 B CN113550848 B CN 113550848B CN 202110757969 A CN202110757969 A CN 202110757969A CN 113550848 B CN113550848 B CN 113550848B
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- 230000009471 action Effects 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 87
- 238000010586 diagram Methods 0.000 description 5
- 239000000306 component Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
-
- 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
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/44—Filters structurally associated with pumps
-
- 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
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
- F02M2037/085—Electric circuits therefor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The invention provides a diesel constant flow brushless starting pump assembly and a controller, comprising an eccentric pump, an oil inlet pump body, a rotor assembly, a stator assembly, a central shaft, an oil outlet bracket and a shell; the eccentric pump is fixedly arranged on the oil inlet pump body and is used for sucking oil in the oil inlet pump body; the rotor assembly is coaxially arranged in the stator assembly and rotates at a constant speed in a magnetic field formed by the stator assembly; the central shaft penetrates through and is fixedly connected with the rotor assembly, the tail end of the central shaft is connected with the eccentric pump, and the rotating power of the rotor assembly is transmitted to the eccentric pump; the oil outlet bracket is hermetically arranged at the top end of the stator assembly and is used for guiding out oil liquid pumped by the eccentric pump; the two ends of the shell are opened and are used for wrapping all parts of the brushless starting pump. The diesel constant flow brushless starting pump assembly replaces the existing manual pressing pump arranged in the filter, so that the diesel constant flow brushless starting pump assembly can automatically exhaust pipeline air, and the aim of smooth starting is fulfilled.
Description
Technical Field
The invention belongs to the technical field of starting pumps, and particularly relates to a diesel constant-flow brushless starting pump assembly and a controller.
Background
At present, a compression ignition mode is generally adopted in a diesel system, and the system layout of the diesel system is from an oil tank to a filter; the gear pump, the in-line pump, the engine, manual pressing pump is built in the filter; because of the characteristics of high water absorption, wax formation, viscosity, hardness and the like, diesel oil is generally required to be placed on a pipeline by a filtering tank of 1 liter or 2 liters because the gear pump does not allow more than 10um of particles to pass through when being applied. The fuel oil pipeline of the general large truck is long, so that the starting time is long, and manual assistance is needed when the large truck is started in extremely cold weather.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a diesel constant flow brushless starting pump assembly and a controller, which replace the existing manual pressing pump arranged in a filter, so that the pipeline air can be automatically exhausted, and the aim of smooth starting is fulfilled. The technical scheme adopted by the invention is as follows:
A diesel constant flow brushless starting pump assembly and a controller comprise an eccentric pump, an oil inlet pump body, a rotor assembly, a stator assembly, a central shaft, an oil outlet bracket and a shell;
The eccentric pump is fixedly arranged on the oil inlet pump body and is used for sucking oil in the oil inlet pump body;
the rotor assembly is coaxially arranged in the stator assembly and rotates at a constant speed in a magnetic field formed by the stator assembly;
The central shaft penetrates through and is fixedly connected with the rotor assembly, the tail end of the central shaft is connected with the eccentric pump, and the rotating power of the rotor assembly is transmitted to the eccentric pump;
The oil outlet bracket is hermetically arranged at the top end of the stator assembly and is used for guiding out oil liquid pumped by the eccentric pump;
The two ends of the shell are provided with openings for wrapping all parts of the brushless starting pump;
a bracket is arranged outside the shell, and the bottom of the bracket is separated from the oil tank by a check ring and is used for separating the oil pumped by the starting pump from the oil in the oil tank;
the lead wires of the rotor assembly penetrate through the oil outlet bracket and the wire harness to be connected with the controller.
Further, the eccentric pump mainly comprises an eccentric pump body, a rotating wheel and a plurality of rollers, wherein an oil cavity is formed in the center of the eccentric pump body and used for accommodating eccentric rotation of the rotating wheel and oil passing through the rotating wheel; the rollers are uniformly arranged in U-shaped grooves formed in the outer circumference of the rotating wheel.
Further, the center of the rotating wheel is connected with the rotor assembly through a switching block; the length of the U-shaped groove is larger than the diameter of the roller; when the runner eccentrically rotates in the oil cavity, the rollers move towards the far end under the action of centrifugal force, oil can be sucked between the rollers and the gap of the U-shaped groove under the action of negative pressure, and when the runner moves to the near end, the rollers are subjected to extrusion force of the inner wall of the eccentric pump body and move towards the bottom of the U-shaped groove, so that oil in the rollers is extruded to be output.
Furthermore, one end of the adapter block is uniformly provided with a plurality of clamping grooves for clamping the rotor assembly; and the other end is uniformly provided with a plurality of clamping blocks for clamping the rotating wheel.
Furthermore, an oil inlet groove is formed in the oil inlet pump body and is positioned at the eccentric distal end of the eccentric pump body and used for communicating the oil tank with the oil cavity of the eccentric pump body.
Furthermore, the upper surface of the oil inlet pump body is fixedly connected with a ceramic cover plate, an oil outlet groove is formed in the ceramic cover plate, and the oil outlet groove is positioned at the eccentric proximal end of the eccentric pump body and used for guiding out oil.
Further, a pressure relief valve is arranged in the oil inlet pump body, the pressure relief valve is communicated with the eccentric pump and the oil inlet pump body, and when the oil pressure in the eccentric pump is overlarge, redundant oil is led back to the oil inlet pump body through the pressure relief valve; the bottom is provided with the filter screen for impurity in the filtration fluid.
Further, the pressure relief valve mainly comprises a valve body, a valve core and a pressure spring, wherein the valve core is installed in the valve body through compression of the pressure spring; under the normal state, the valve core is contacted with the valve body in a fitting way under the rebound force of the pressure spring, and the pressure relief valve is not conducted at the moment; when the oil pressure in the eccentric pump is too large, the valve core is pressed away from the upper surface of the valve body beyond the elastic force of the pressure spring, and the pressure relief valve is conducted.
Further, the pressure relief valve is arranged in a valve seat on the filter screen; the top of the valve body of the pressure relief valve is in sealing connection with the oil inlet pump body through a sealing ring.
Further, an oil outlet is formed in the side wall of the oil outlet support and used for guiding out oil.
The invention has the advantages that:
1) The diesel constant flow brushless starting pump assembly replaces the existing manual pressing pump arranged in the filter, so that the diesel constant flow brushless starting pump assembly can automatically exhaust pipeline air, and the aim of smooth starting is fulfilled.
2) The diesel constant flow brushless starting pump assembly and the controller actively control the rotating speed by utilizing an electronic circuit to achieve the purpose of constancy, so that the starting pump flow is constant, and the effects of noise reduction and system stabilization are realized.
Drawings
Fig. 1 is a schematic structural diagram of a diesel constant flow brushless starting pump assembly and a controller in an embodiment of the invention.
FIG. 2 is an exploded view of a diesel constant flow brushless start pump assembly and controller in an embodiment of the invention.
Fig. 3 is a schematic diagram of a partial structure of a diesel constant flow brushless starting pump assembly according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of an eccentric pump of a diesel constant flow brushless starting pump assembly in an embodiment of the invention.
FIG. 5 is a schematic view of a partial explosion of a diesel constant flow brushless start pump assembly according to an embodiment of the invention.
Fig. 6 is a schematic structural diagram of a diesel constant flow brushless starting pump assembly adapter block in an embodiment of the invention.
Fig. 7 is a schematic structural diagram of a pressure relief valve of a diesel constant flow brushless starting pump assembly in an embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1-3, the diesel constant flow brushless starting pump assembly provided by the embodiment of the invention comprises an eccentric pump 1, an oil inlet pump body 2, a rotor component 3, a stator component 4, a central shaft 5, an oil outlet bracket 6 and a casing 7; the eccentric pump 1 is fixedly arranged on the oil inlet pump body 2 and is used for sucking oil in the oil inlet pump body 2; the rotor assembly 3 is coaxially arranged in the stator assembly 4 and rotates at a constant speed in a magnetic field formed by the stator assembly 4; the central shaft 5 passes through and is fixedly connected with the rotor assembly 3, the tail end of the central shaft is connected with the eccentric pump 1, and the rotation power of the rotor assembly 3 is transmitted to the eccentric pump 1; the oil outlet bracket 6 is hermetically arranged at the top end of the stator assembly 4 and is used for guiding out the oil pumped out by the eccentric pump 1, and an oil outlet 601 is formed in the side wall of the oil outlet bracket 6 and is used for guiding out the oil; the two ends of the casing 7 are open and are used for wrapping all parts of the brushless starting pump.
Specifically, a bracket 13 is arranged outside the casing 7, and the bottom of the bracket 13 is separated from the oil tank by a retainer ring 14 and is used for separating the oil pumped by the starting pump from the oil in the oil tank; the wires of the rotor assembly 3 pass through the oil outlet bracket 6 and the wire harness 15 to be connected with a controller 16. The core component of the controller is a 32-pin brushless motor driving chip, which is manufactured by ALLEGRO corporation of America, and has the following main characteristics: 1. three-phase sinusoidal soft start driving; 2. starting and reversing without a sensor; 3. 5.5V-50V ultra-wide power supply range; 4. the rotation speed, the voltage and the current can be controlled by SPI or PWM mode. The starting pump can automatically realize the effect that the air of an emptying pipeline, the constant rotation speed are not influenced by voltage, pressure and the like any more, the speed is controlled in a constant-speed closed loop mode, so that the system stability is good, the noise reduction aim is achieved, the working voltage range of the driver is wide, the system can adapt to the wide-range change working condition of an automobile power supply, the pump flow is continuously adjustable, the driver can externally communicate, the parameters such as the rotation speed of a motor are set, the flow regulation is flexible and convenient, the motor is soft-started, the motor is slowly started through algorithm control during the motor starting, the speed rises in one step, the circuit damage caused by overlarge motor current during the starting is reduced, the working efficiency of the driver is high, the oil pump works for a long time under the rated load, the heat of the driver is small, the system is subjected to complete thermal analysis and treatment, and the overall efficiency of the system is high.
Specifically, as shown in fig. 4 and 5, the eccentric pump 1 mainly comprises an eccentric pump body 101, a rotating wheel 102 and a plurality of rollers 103, wherein an oil cavity is formed in the center of the eccentric pump body 101, and is used for accommodating eccentric rotation of the rotating wheel 102 and oil passing through the rotating wheel; the rollers 103 are uniformly arranged in U-shaped grooves formed in the outer circumference of the rotating wheel 102; the center of the rotating wheel 102 is connected with the rotor assembly 3 through a switching block 8; the length of the U-shaped groove is greater than the diameter of the roller 103; when the rotating wheel 102 eccentrically rotates in the oil cavity, the rollers 103 move far away under the action of centrifugal force, oil is pumped between the rollers 103 and the gap of the U-shaped groove under the action of negative pressure, and when the rotating wheel moves to the near end, the rollers 103 are subjected to extrusion force of the inner wall of the eccentric pump body 101 and move towards the bottom of the U-shaped groove, so that oil in the rotating wheel is extruded to be output.
Specifically, as shown in fig. 6, one end of the adapter block 8 is uniformly provided with a plurality of clamping grooves 801 for clamping the rotor assembly 3; the other end is uniformly provided with a plurality of clamping blocks 802 for clamping the rotating wheel 102.
Specifically, referring to fig. 5, an oil inlet groove 201 is formed in the oil inlet pump body 2, the oil inlet groove 201 is located at an eccentric distal end of the eccentric pump body 101 and is communicated with a U-shaped groove of the rotating wheel 102, and is used for communicating an oil tank with an oil cavity of the eccentric pump body 101, a ceramic cover plate 9 is fixedly connected to an upper surface of the oil inlet pump body 2, an oil outlet groove 901 is formed in the ceramic cover plate 9, and the oil outlet groove 901 is located at an eccentric proximal end of the eccentric pump body 101 and is used for guiding out oil; the oil sequentially passes through the oil inlet groove 201 and the U-shaped groove communicated with the oil inlet groove under the action of negative pressure, and then rotates along with the proximal end of the rotating wheel 102, the roller 103 receives the extrusion force of the inner wall of the eccentric pump body 101 and moves towards the bottom direction of the U-shaped groove, so that the oil extruded in the roller moves from the oil outlet groove 901 communicated with the oil inlet groove.
Further, the oil inlet pump body 2 and the ceramic cover plate 9 are respectively located at two sides of the eccentric pump 1, and except for the oil inlet groove 201 and the oil outlet groove 901, the rest positions are sealed, so that the runner 102 is ensured to form negative pressure when eccentrically rotating in the eccentric pump body 101, and oil is extracted.
Specifically, as shown in fig. 7, a relief valve 10 is disposed in the oil inlet pump body 2, the relief valve 10 communicates the eccentric pump 1 and the oil inlet pump body 2, and when the oil pressure in the eccentric pump 1 is too high, excess oil is led back to the oil inlet pump body 2 through the relief valve 10; the bottom of the oil inlet pump body 2 is provided with a filter screen 11 for filtering impurities in oil; the pressure release valve 10 mainly comprises a valve body 1001, a valve core 1002 and a pressure spring 1003, wherein the valve core 1002 is installed in the valve body 1001 in a compression mode through the pressure spring 1003; in a normal state, the valve core 1002 is contacted with the valve body 1001 by the repulsive force of the pressure spring 1003, and at this time, the pressure release valve 10 is not conducted; when the oil pressure in the eccentric pump 1 is excessive, the valve core 1002 is pressed away from the upper surface of the valve body 1001 beyond the elastic force of the pressure spring 1003, and at this time, the relief valve 10 is turned on; the relief valve 10 is mounted in a valve seat 1101 on the screen 11; the top of the valve body 1001 of the relief valve 10 is in sealing connection with the oil inlet pump body 2 through a sealing ring 12, and when the valve core 1002 is contacted with the valve body 1001 in a fitting way by the resilience force of the pressure spring 1003, the leakage of oil can be effectively prevented.
When the brushless direct current motor is used, after the power supply is switched on, the controller detects three-phase counter electromotive force of the motor to determine the phase-change position of the brushless direct current motor, then the inverter circuit is controlled to output direct current chopper waves to stator coils in the stator assembly 4 to generate electromagnetic fields to form induced electromotive force, and the magnetic steel on the pump inner rotor assembly 3 starts to rotate after sensing the electromagnetic fields, so that the whole process of electric energy-magnetic energy-kinetic energy conversion is completed. The rotation of the rotor assembly 3 drives the rotating wheel 102 in the eccentric pump 1 to rotate together at a high speed so as to start pumping oil.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (6)
1. The diesel constant flow brushless starting pump assembly and the controller are characterized by comprising an eccentric pump (1), an oil inlet pump body (2), a rotor assembly (3), a stator assembly (4), a central shaft (5), an oil outlet bracket (6) and a shell (7);
the eccentric pump (1) is fixedly arranged on the oil inlet pump body (2) and is used for sucking oil in the oil inlet pump body (2);
The eccentric pump (1) mainly comprises an eccentric pump body (101), a rotating wheel (102) and a plurality of rollers (103), wherein an oil cavity is formed in the center of the eccentric pump body (101) and is used for accommodating eccentric rotation of the rotating wheel (102) and oil passing through the rotating wheel; the rollers (103) are uniformly arranged in U-shaped grooves formed in the outer circumference of the rotating wheel (102);
The center of the rotating wheel (102) is connected with the rotor assembly (3) through a switching block (8); the length of the U-shaped groove is greater than the diameter of the roller (103); when the rotating wheel (102) eccentrically rotates in the oil cavity, the rollers (103) move towards the far end under the action of centrifugal force, oil is sucked between the rollers (103) and the gap of the U-shaped groove under the action of negative pressure, and when the rotating wheel moves to the near end, the rollers (103) are subjected to extrusion force of the inner wall of the eccentric pump body (101) and move towards the bottom of the U-shaped groove, so that oil in the rotating wheel is extruded to be output;
the oil inlet pump body (2) is internally provided with a pressure relief valve (10), the pressure relief valve (10) is communicated with the eccentric pump (1) and the oil inlet pump body (2), and when the oil pressure in the eccentric pump (1) is overlarge, redundant oil is led back to the oil inlet pump body (2) through the pressure relief valve (10); the bottom is provided with a filter screen (11) for filtering impurities in the oil;
The pressure release valve (10) mainly comprises a valve body (1001), a valve core (1002) and a pressure spring (1003), wherein the valve core (1002) is installed in the valve body (1001) in a compression mode through the pressure spring (1003); in a normal state, the valve core (1002) is in contact with the valve body (1001) by the rebound force of the pressure spring (1003), and the pressure release valve (10) is not conducted at the moment; when the oil pressure in the eccentric pump (1) is overlarge, the valve core (1002) is pressed away from the upper surface of the valve body (1001) beyond the elastic force of the pressure spring (1003), and at the moment, the pressure relief valve (10) is conducted;
The rotor assembly (3) is coaxially arranged in the stator assembly (4) and rotates at a constant speed in a magnetic field formed by the stator assembly (4);
The central shaft (5) penetrates through and is fixedly connected with the rotor assembly (3), the tail end of the central shaft is connected with the eccentric pump (1), and the rotation power of the rotor assembly (3) is transmitted to the eccentric pump (1);
the oil outlet bracket (6) is hermetically arranged at the top end of the stator assembly (4) and is used for guiding out oil pumped out by the eccentric pump (1);
The two ends of the shell (7) are provided with openings for wrapping all parts of the brushless starting pump;
A bracket (13) is arranged outside the shell (7), and the bottom of the bracket (13) is separated from the oil tank by a retainer ring (14) and is used for separating the oil pumped by the starting pump from the oil in the oil tank;
the lead wire of the rotor assembly (3) passes through the oil outlet bracket (6) and the wire harness (15) to be connected with the controller (16).
2. A diesel constant flow brushless start pump assembly and controller as set forth in claim 1, wherein,
A plurality of clamping grooves (801) are uniformly formed in one end of the adapter block (8) and are used for clamping the rotor assembly (3); the other end is uniformly provided with a plurality of clamping blocks (802) for clamping the rotating wheel (102).
3. A diesel constant flow brushless start pump assembly and controller as set forth in claim 1, wherein,
An oil inlet groove (201) is formed in the oil inlet pump body (2), and the oil inlet groove (201) is located at the eccentric distal end of the eccentric pump body (101) and used for communicating an oil tank with an oil cavity of the eccentric pump body (101).
4. A diesel constant flow brushless start pump assembly and controller as set forth in claim 1, wherein,
The oil inlet pump is characterized in that a ceramic cover plate (9) is fixedly connected to the upper surface of the oil inlet pump body (2), an oil outlet groove (901) is formed in the ceramic cover plate (9), and the oil outlet groove (901) is located at the eccentric near end of the eccentric pump body (101) and used for guiding out oil.
5. A diesel constant flow brushless start pump assembly and controller as set forth in claim 1, wherein,
The pressure release valve (10) is arranged in a valve seat (1101) on the filter screen (11); the top of a valve body (1001) of the pressure relief valve (10) is connected with the oil inlet pump body (2) in a sealing mode through a sealing ring (12).
6. A diesel constant flow brushless start pump assembly and controller as set forth in claim 1, wherein,
An oil outlet (601) is formed in the side wall of the oil outlet support (6) and used for guiding out oil.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021107250953 | 2021-06-29 | ||
| CN202110725095 | 2021-06-29 |
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| Publication Number | Publication Date |
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| CN113550848A CN113550848A (en) | 2021-10-26 |
| CN113550848B true CN113550848B (en) | 2024-05-17 |
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| CN202110757969.3A Active CN113550848B (en) | 2021-06-29 | 2021-07-05 | Diesel constant flow brushless starting pump assembly and controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114718785B (en) * | 2022-04-21 | 2023-03-24 | 浙江双良汽车零部件有限公司 | Internal oil passing structure of diesel pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140101022A (en) * | 2013-02-05 | 2014-08-19 | 현담산업 주식회사 | Structure of rotor ass'y with brush less dc fuel pump of automobile |
| CN105114302A (en) * | 2015-09-08 | 2015-12-02 | 温州市康松汽车零部件有限公司 | Efficient energy-saving brushless diesel pump |
| CN106194529A (en) * | 2016-08-31 | 2016-12-07 | 湖北赛恩斯科技股份有限公司 | A kind of automatic pump oil fuel filter assembly |
| CN109667692A (en) * | 2019-01-27 | 2019-04-23 | 黄国尧 | A kind of electronic brushless pump of diesel fuel filter of no Hall sensor |
| CN215170464U (en) * | 2021-06-29 | 2021-12-14 | 无锡威孚高科技集团股份有限公司 | Diesel constant-flow brushless starting pump assembly and controller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8388322B2 (en) * | 2007-10-30 | 2013-03-05 | Fluid Control Products, Inc. | Electronic fuel pump |
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- 2021-07-05 CN CN202110757969.3A patent/CN113550848B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140101022A (en) * | 2013-02-05 | 2014-08-19 | 현담산업 주식회사 | Structure of rotor ass'y with brush less dc fuel pump of automobile |
| CN105114302A (en) * | 2015-09-08 | 2015-12-02 | 温州市康松汽车零部件有限公司 | Efficient energy-saving brushless diesel pump |
| CN106194529A (en) * | 2016-08-31 | 2016-12-07 | 湖北赛恩斯科技股份有限公司 | A kind of automatic pump oil fuel filter assembly |
| CN109667692A (en) * | 2019-01-27 | 2019-04-23 | 黄国尧 | A kind of electronic brushless pump of diesel fuel filter of no Hall sensor |
| CN215170464U (en) * | 2021-06-29 | 2021-12-14 | 无锡威孚高科技集团股份有限公司 | Diesel constant-flow brushless starting pump assembly and controller |
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