CN113550848A - 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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- CN113550848A CN113550848A CN202110757969.3A CN202110757969A CN113550848A CN 113550848 A CN113550848 A CN 113550848A CN 202110757969 A CN202110757969 A CN 202110757969A CN 113550848 A CN113550848 A CN 113550848A
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- 238000005086 pumping Methods 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 7
- 239000007858 starting material Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 239000002283 diesel fuel Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
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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
- F02M37/22—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
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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
- 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 constant-flow brushless starting pump assembly of diesel oil and a controller, comprising an eccentric pump, an oil inlet pump body, a rotor assembly, a stator assembly, a central shaft, an oil outlet support and a casing; the eccentric pump is fixedly arranged on the oil inlet pump body and is used for pumping 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 support is hermetically arranged at the top end of the stator assembly and is used for guiding out oil pumped out by the eccentric pump; the two ends of the shell are provided with openings and are used for wrapping all parts of the brushless starting pump. The diesel constant-flow brushless starting pump assembly replaces the existing manual type pressing pump arranged in the filter, so that the air in the pipeline can be automatically discharged, 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 constant-flow brushless starting pump assembly of diesel oil and a controller.
Background
At present, a compression ignition mode is generally adopted in a diesel system, and the system layout is from an oil tank to a filter; the gear pump, the in-line pump, the engine, the manual push pump is built in the filter; the diesel oil is characterized by water absorption, wax accumulation, viscosity, high hardness and the like, and the gear pump does not allow particles larger than 10um to pass through when in application, so that a 1-liter or 2-liter filter tank is generally required to be placed on a pipeline. Generally, large trucks have long fuel pipelines, so that the starting time is long, and manual assistance is needed in extremely cold weather and in case of no starting.
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 built in a filter, so that the manual pressing pump can automatically exhaust air in a pipeline, and the aim of smooth starting is fulfilled. The technical scheme adopted by the invention is as follows:
a constant flow brushless starting pump assembly of diesel oil and a controller, comprising an eccentric pump, an oil inlet pump body, a rotor component, a stator component, a central shaft, an oil outlet bracket and a casing;
the eccentric pump is fixedly arranged on the oil inlet pump body and is used for pumping 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 support is hermetically arranged at the top end of the stator assembly and is used for guiding out oil pumped out by the eccentric pump;
the two ends of the shell are provided with openings and are used for wrapping all parts of the brushless starting pump;
a bracket is arranged outside the shell, the bottom of the bracket is separated from the oil tank through a retainer ring and is used for separating oil pumped by the starting pump from oil in the oil tank;
and a lead of the rotor assembly penetrates through the oil outlet support and the wiring harness to be connected with a controller.
Furthermore, 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 the rotating wheel to rotate eccentrically and oil to pass through the oil cavity; and the plurality of rollers are uniformly arranged in a U-shaped groove formed in the outer circumference of the rotating wheel.
Furthermore, the center of the rotating wheel is connected with the rotor assembly through a transfer block; the length of the U-shaped groove is larger than the diameter of the roller; when the rotating wheel eccentrically rotates in the oil cavity, the plurality of rollers move to the far end under the action of centrifugal force, oil can be sucked to a gap between the rollers and the U-shaped groove under the action of negative pressure, and when the rollers move to the near end, the plurality of rollers are subjected to extrusion force of the inner wall of the eccentric pump body and move towards the bottom direction of the U-shaped groove, so that the 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; 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, is located at the eccentric far end of the eccentric pump body, and is used for communicating an oil tank with an oil cavity of the eccentric pump body.
Furthermore, the fixed surface is connected with ceramic cover plate on the oil feed pump body, ceramic cover plate is last to open there is the oil groove, it is located to go out the oil groove the eccentric near-end of eccentric pump body for derive fluid.
Furthermore, a pressure relief valve is arranged in the oil inlet pump body and is communicated with the eccentric pump and the oil inlet pump body, and when the oil pressure in the eccentric pump is too high, 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 filter the impurity in the fluid.
Furthermore, the pressure relief valve mainly comprises a valve body, a valve core and a pressure spring, and the valve core is installed in the valve body through the compression of the pressure spring; under a normal state, the valve core is in fit contact with the valve body under the resilience force of the pressure spring, and the pressure release valve is not conducted at the moment; when the oil pressure in the eccentric pump is too large and exceeds the elastic force of the pressure spring, the valve core is pressed to be far away from the upper surface of the valve body, and the pressure relief valve is conducted at the moment.
Further, the pressure relief valve is mounted in a valve seat on the screen; the top of the valve body of the pressure relief valve is connected with the oil inlet pump body in a sealing mode through a sealing ring.
Further, an oil outlet is formed in the side wall of the oil outlet support and used for guiding oil out.
The invention has the advantages that:
1) the diesel constant-flow brushless starting pump assembly replaces the existing manual type pressing pump arranged in the filter, so that the air in the pipeline can be automatically discharged, and the aim of smooth starting is fulfilled.
2) The constant-flow brushless diesel starting pump assembly and the controller actively control the rotating speed by utilizing the electronic circuit to achieve the aim of keeping constant, so that the flow of the starting pump is kept constant, and the effects of reducing noise and stabilizing the system are achieved.
Drawings
Fig. 1 is a schematic structural diagram of a constant flow brushless diesel starting pump assembly and a controller according to an embodiment of the present invention.
Fig. 2 is an exploded view of a constant flow brushless diesel starter pump assembly and controller according to an embodiment of the present invention.
Fig. 3 is a schematic partial structural diagram of a constant flow brushless diesel starting pump assembly according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an eccentric pump of a constant flow brushless diesel starting pump assembly according to an embodiment of the present invention.
Fig. 5 is a schematic partial exploded view of a constant flow brushless diesel starter pump assembly according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a switching block of a constant flow brushless diesel starting pump assembly according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a pressure release valve of a diesel constant-flow brushless starting pump assembly in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, a constant flow brushless starter pump assembly for diesel oil according to an embodiment of the present invention includes 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 casing 7; the eccentric pump 1 is fixedly arranged on the oil inlet pump body 2 and is used for pumping 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 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 rotating power of the rotor assembly 3 is transmitted to the eccentric pump 1; the oil outlet support 6 is hermetically mounted at the top end of the stator assembly 4 and used for guiding out oil pumped out by the eccentric pump 1, and an oil outlet 601 is formed in the side wall of the oil outlet support 6 and used for guiding out the oil; the two ends of the machine shell 7 are opened and 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 oil pumped by the starting pump from 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 produced by American ALLEGRO company and has the following main characteristics: 1. three-phase sine soft start driving; 2. starting and reversing without a sensor; 3. 5.5V-50V ultra-wide power supply range; 4. the rotation speed, voltage and current can be controlled by an SPI or PWM mode. The starting pump has the advantages of automatically emptying air in a pipeline, ensuring that the constant of the rotating speed is not influenced by voltage, pressure and the like, realizing the closed-loop control of the speed constant speed, ensuring that the system stability is better, achieving the purpose of noise reduction, ensuring that the working voltage range of the driver is wide, adapting to the wide-range change working condition of an automobile power supply, continuously adjusting the pump flow, realizing the external communication of the driver, setting the rotating speed and other parameters of the motor, ensuring that the flow adjustment is flexible and convenient, and the motor is in soft start, slowly starting the motor through algorithm control when the motor is started, increasing the speed by one step, reducing the circuit damage caused by overlarge motor current when the motor is started, ensuring that the working efficiency of the driver is high, ensuring that the oil pump works for a long time under the rated load, ensuring that the heat of the driver is smaller, completely thermally analyzing and processing the system, ensuring that the overall efficiency of the system is higher, and the like.
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 the rotating wheel 102 to rotate eccentrically therein and oil to pass therethrough; the rollers 103 are uniformly arranged in a U-shaped groove formed in the outer circumference of the rotating wheel 102; the center of the runner 102 is connected with the rotor assembly 3 through a transfer block 8; the length of the U-shaped groove is larger than the diameter of the roller 103; when the rotating wheel 102 eccentrically rotates in the oil cavity, the plurality of rollers 103 move to the far end under the action of centrifugal force, at the moment, oil liquid is sucked to a gap between the rollers 103 and the U-shaped groove under the action of negative pressure, and when the rollers 103 move to the near end, the plurality of rollers 103 are subjected to extrusion force of the inner wall of the eccentric pump body 101 and move towards the bottom direction of the U-shaped groove, so that the oil liquid in the rollers is extruded and 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; and a plurality of clamping blocks 802 are uniformly distributed at the other end and used for clamping the rotating wheel 102.
Specifically, please refer to fig. 5 again, an oil inlet groove 201 is formed in the oil inlet pump body 2, the oil inlet groove 201 is located at the eccentric far end of the eccentric pump body 101, is communicated with the 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 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 is used for leading out oil; under the action of negative pressure, oil sequentially passes through the oil inlet groove 201 and the U-shaped groove communicated with the oil inlet groove, and then along with the rotation of the rotating wheel 102 towards the near end, the roller 103 moves towards the bottom of the U-shaped groove under the extrusion force of the inner wall of the eccentric pump body 101, so that the oil in the oil inlet groove is extruded to be output from the oil outlet groove 901 communicated with the oil outlet groove.
Further, the oil inlet pump body 2 and the ceramic cover plate 9 are respectively located on two sides of the eccentric pump 1, and the rest positions except the oil inlet tank 201 and the oil outlet tank 901 are sealed, so that the rotating wheel 102 can form negative pressure when eccentrically rotating in the eccentric pump body 101, and oil is pumped.
Specifically, as shown in fig. 7, a pressure release valve 10 is disposed in the oil inlet pump body 2, the pressure release 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, the redundant oil is guided back to the oil inlet pump body 2 through the pressure release 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 relief 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 resilience of the pressure spring 1003, and at this time, the pressure relief valve 10 is not conducted; when the oil pressure in the eccentric pump 1 is too large and exceeds the elastic force of the pressure spring 1003, the valve core 1002 is pressed away from the upper surface of the valve body 1001, and the pressure relief valve 10 is turned on; the pressure relief valve 10 is mounted in a valve seat 1101 on the screen 11; the top of the valve body 1001 of the pressure relief valve 10 is hermetically connected with the oil inlet pump body 2 through a sealing ring 12, and when the valve core 1002 is subjected to the rebound force of the pressure spring 1003 and the valve body 1001 is attached and contacted, oil leakage can be effectively prevented.
When the brushless direct current motor is used, after a power supply is switched on, the controller determines the phase change position of the brushless direct current motor through detecting the three-phase back electromotive force of the motor, then controls inversion output, enables an inverter circuit to output direct current chopping waves to a stator coil in the stator assembly 4 to generate an electromagnetic field to form induced electromotive force, and starts to rotate after magnetic steel on the rotor assembly 3 in the pump senses the electromagnetism, so that the whole process of electric energy-magnetic energy-kinetic energy conversion is completed. The rotation of the rotor assembly 3 drives the runner 102 in the eccentric pump 1 to rotate together at high speed so as to start pumping oil.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, 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 or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A diesel constant-flow brushless starting pump assembly and a 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 support (6) and a machine shell (7);
the eccentric pump (1) is fixedly arranged on the oil inlet pump body (2) and is used for pumping 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) 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 rotating power of the rotor assembly (3) is transmitted to the eccentric pump (1);
the oil outlet support (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 and are used 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 an oil tank through a retainer ring (14) and is used for separating oil liquid pumped by the starting pump from oil liquid in the oil tank;
and the lead of the rotor assembly (3) passes through the oil outlet support (6) and the wiring harness (15) and is connected with a controller (16).
2. The assembly and controller of claim 1 wherein,
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 used for containing the rotating wheel (102) to eccentrically rotate in the oil cavity and oil to pass through the oil cavity; the rollers (103) are uniformly arranged in a U-shaped groove formed in the outer circumference of the rotating wheel (102).
3. The assembly and controller of claim 2, wherein the pump assembly and controller are a diesel constant flow brushless starter pump,
the center of the rotating wheel (102) is connected with the rotor component (3) through a switching block (8); the length of the U-shaped groove is larger than the diameter of the roller (103); when the rotating wheel (102) eccentrically rotates in the oil cavity, the plurality of rollers (103) move towards the far end under the action of centrifugal force, oil is sucked into a gap between the rollers (103) and the U-shaped groove under the action of negative pressure, and when the rollers (103) move to the near end, the rollers (103) are extruded by the inner wall of the eccentric pump body (101) and move towards the bottom of the U-shaped groove, so that the oil in the rollers is extruded and output.
4. The assembly and controller of claim 3, wherein the pump assembly and controller are a constant flow brushless diesel starter pump,
one end of the switching 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) which are used for clamping the rotating wheel (102).
5. The assembly and controller of claim 2, wherein the pump assembly and controller are a diesel constant flow brushless starter pump,
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 far end of the eccentric pump body (101) and used for communicating an oil tank with an oil cavity of the eccentric pump body (101).
6. The assembly and controller of claim 2, wherein the pump assembly and controller are a diesel constant flow brushless starter pump,
the oil inlet pump body (2) is characterized in that a ceramic cover plate (9) is fixedly connected to the upper surface of the oil inlet pump body, 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 leading out oil.
7. The assembly and controller of claim 1 wherein,
a pressure release valve (10) is arranged in the oil inlet pump body (2), the pressure release 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 too high, redundant oil is guided back to the oil inlet pump body (2) through the pressure release valve (10); the bottom is provided with a filter screen (11) for filtering impurities in the oil.
8. The assembly and controller of claim 7 wherein,
the pressure relief 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); under a normal state, the valve core (1002) is attached to and contacted with the valve body (1001) by the resilience force of the pressure spring (1003), and the pressure relief valve (10) is not conducted at the moment; when the oil pressure in the eccentric pump (1) is too large and exceeds the elastic force of the pressure spring (1003), the valve core (1002) is pressed to be away from the upper surface of the valve body (1001), and at the moment, the pressure relief valve (10) is conducted.
9. The assembly and controller of claim 8 wherein,
the pressure relief valve (10) is mounted in a valve seat (1101) on the filter screen (11); the top of a valve body (1001) of the pressure relief valve (10) is hermetically connected with the oil inlet pump body (2) through a sealing ring (12).
10. The assembly and controller of claim 1 wherein,
an oil outlet (601) is formed in the side wall of the oil outlet support (6) and used for leading out oil.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021107250953 | 2021-06-29 | ||
| CN202110725095 | 2021-06-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113550848A true CN113550848A (en) | 2021-10-26 |
| CN113550848B CN113550848B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110757969.3A Active CN113550848B (en) | 2021-06-29 | 2021-07-05 | Diesel constant flow brushless starting pump assembly and controller |
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| CN (1) | CN113550848B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718785A (en) * | 2022-04-21 | 2022-07-08 | 浙江双良汽车零部件有限公司 | Internal oil passing structure of diesel pump |
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| 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 |
-
2021
- 2021-07-05 CN CN202110757969.3A patent/CN113550848B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090107470A1 (en) * | 2007-10-30 | 2009-04-30 | Fluid Control Products, Inc. | Electronic fuel pump |
| KR20140101022A (en) * | 2013-02-05 | 2014-08-19 | 현담산업 주식회사 | Structure of rotor ass'y with brush less dc fuel pump of automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114718785A (en) * | 2022-04-21 | 2022-07-08 | 浙江双良汽车零部件有限公司 | Internal oil passing structure of diesel pump |
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| CN113550848B (en) | 2024-05-17 |
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