CN111102382A - Intelligent stepless electromagnetic valve - Google Patents
Intelligent stepless electromagnetic valve Download PDFInfo
- Publication number
- CN111102382A CN111102382A CN201911364688.0A CN201911364688A CN111102382A CN 111102382 A CN111102382 A CN 111102382A CN 201911364688 A CN201911364688 A CN 201911364688A CN 111102382 A CN111102382 A CN 111102382A
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- pipeline
- electromagnetic valve
- valve body
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/22—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an actuating member for each valve, e.g. interconnected to form multiple-way valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention belongs to the technical field of automobile gearboxes, and discloses an intelligent stepless electromagnetic valve, which comprises: the pneumatic valve comprises a valve body, a pneumatic valve core assembly and a control assembly, wherein the valve body is provided with an air inlet pipeline and two working pipelines, the first ends of the working pipelines and the air inlet pipeline are communicated to the outside, a first channel is arranged between the second ends of the two working pipelines and the air inlet pipeline, and the third ends of the two working pipelines are butted to form a second channel; the pneumatic valve core assembly is arranged in the working pipeline; the control assembly comprises two air pressure sensors; the pneumatic valve core assembly is selectively switched into one of an air inlet state, a pressure maintaining state or an air exhaust state according to the corresponding air pressure value, and is normally opened or closed between the working pipeline and the first channel and between the working pipeline and the second channel. The state of the pneumatic valve core assembly is controlled, and the working pipeline and the first channel and the working pipeline and the second channel are normally opened or closed, so that two channels are controlled in a stepless mode respectively.
Description
Technical Field
The invention relates to the technical field of automobile gearboxes, in particular to an intelligent stepless electromagnetic valve.
Background
With the continuous promotion of national energy saving and emission reduction concepts and increasingly strict emission regulations, the technical requirements on the field of automobile parts, particularly key parts of an engine are higher and higher, the common mechanical control part or the switch type simple electric control part is not suitable for the current technical precision, and electric control driving or motor driving becomes the mainstream of the field of the current automobile parts, and the automobile parts have a series of advantages of small size, light weight, high driving control precision, stepless adjustment, intelligent information feedback and the like.
The existing electromagnetic valve can only realize simple power-on and power-off to realize gas supply generally, and can not realize stepless regulation of air pressure at an air outlet; or different armatures need to be controlled to be powered on or powered off, and different armatures need to be combined to realize the functions of pressurization, pressure maintaining and depressurization, and meanwhile, a single channel needs to be matched with a single air inlet, an air outlet and an air outlet, so that the overall size, cost, reliability and the like of the valve are limited.
Disclosure of Invention
The invention aims to provide an intelligent stepless electromagnetic valve, which aims to solve the problems that the structure of the electromagnetic valve is too complex and the overall size is enlarged for controlling the multichannel pressure.
In order to achieve the purpose, the invention adopts the following technical scheme:
an intelligent stepless solenoid valve comprising:
the valve body is provided with an air inlet pipeline and two working pipelines, the air inlet pipeline and the two working pipelines extend along the X-axis direction, the two working pipelines are located on two sides of the air inlet pipeline, first ends of the working pipelines and the air inlet pipeline are communicated to the outside, a first channel extending along the Y-axis direction is arranged between second ends of the two working pipelines and the air inlet pipeline, and third ends of the two working pipelines are butted along the Y-axis direction to form a second channel capable of being communicated to the outside;
a pneumatic spool assembly disposed in the working conduit;
the control assembly comprises two air pressure sensors, and sensing ends of the air pressure sensors are arranged in the working pipeline;
the pneumatic valve core assembly is selectively switched into one of an air inlet state, a pressure maintaining state or an air exhaust state according to the air pressure value measured by the corresponding air pressure sensor, and is normally opened or closed between the working pipeline and the first channel and between the working pipeline and the second channel.
The valve body has two working conduits and an admission line, and an admission line is shared to two working conduits to reduced the internal dimension of valve body, in addition, first passageway and second passageway all are located between working conduit and the admission line, further reduced the internal dimension of valve body, through pneumatic valve core subassembly according to the state of corresponding baroceptor control self, and the working conduit with normally open or the normal close between the first passageway and the working conduit with normally open or the normal close between the second passageway, and then realize two passageways of stepless control respectively.
Preferably, the control assembly further comprises a PCB control board, the two air pressure sensors are arranged on the PCB control board, and two terminals are arranged on the PCB control board.
And the two air pressure sensors are electrically connected through a PCB control board.
Preferably, each pneumatic valve core assembly is further connected with an electric control execution assembly, one end, far away from the pneumatic valve core assembly, of the electric control execution assembly is connected with a proportional solenoid valve, at least part of the proportional solenoid valve is arranged outside the valve body, and the input end of the proportional solenoid valve is connected to the terminal.
Preferably, an end cover is connected to the top of the valve body, and the air pressure sensor, the PCB control board and the terminal are arranged between the valve body and the end cover. The end cover is matched with the valve body, and the air pressure sensor, the PCB control board and the terminal are arranged between the end cover and the valve body, so that the air pressure sensor, the PCB control board and the terminal are prevented from being influenced by the external environment, and the service life of parts is prolonged.
Preferably, the control assembly further comprises a CAN communication connector, the CAN communication connector is arranged on the outer end face of the end cover, and a contact pin of the CAN communication connector penetrates through the end cover and is connected with the PCB control board. The CAN communication connector CAN be connected with an ECU of the engine through a wiring harness.
Preferably, the working pipeline is provided with a boss extending towards the PCB control board, and the air pressure sensor is connected in the boss in a sealing manner. The boss can be used for better fixing the air pressure sensor.
Preferably, an exhaust valve is arranged on the end face, deviating from the end cover, of the valve body, and the exhaust valve is communicated with the second channel. The exhaust valve communicates with the second passage to perform exhaust.
Preferably, a connecting wall is arranged between the inner wall of the valve body and the working pipeline, an air discharging channel for communicating the inside and the outside of the valve body is arranged on the connecting wall, and an air discharging plug is arranged on the air discharging channel. The air release plug can discharge air leaked between the end cover and the valve body in time.
Preferably, a first machining channel and a second machining channel are respectively arranged on two sides of the valve body, the first machining channel and the first channel are coaxially arranged and extend inwards to the working pipeline on the corresponding side, and the second machining channel and the second channel are coaxially arranged and extend inwards to the working pipeline on the corresponding side.
The processing channel is arranged, so that the processing convenience of the first channel and the second channel inside the valve body is facilitated.
The invention has the beneficial effects that: the valve body has two working conduits and an admission line, and an admission line is shared to two working conduits to reduced the internal dimension of valve body, in addition, first passageway and second passageway all are located between working conduit and the admission line, further reduced the internal dimension of valve body, through pneumatic valve core subassembly according to the state of corresponding baroceptor control self, and the working conduit with normally open or the normal close between the first passageway and the working conduit with normally open or the normal close between the second passageway, and then realize two passageways of stepless control respectively.
Drawings
FIG. 1 is a cross-sectional view from one perspective of the intelligent, stepless solenoid valve of the present invention;
FIG. 2 is a cross-sectional view of another perspective of the intelligent, stepless solenoid valve of the present invention;
FIG. 3 is a schematic structural view of another aspect of the intelligent stepless solenoid valve of the present invention;
FIG. 4 is a schematic diagram of the air path of the air inlet condition of the intelligent stepless electromagnetic valve of the invention;
fig. 5 is a schematic diagram of the air path of the exhaust condition of the intelligent stepless electromagnetic valve of the invention.
In the figure:
1-a valve body; 1A-a first process channel; 1B-a second process channel; 1C-connecting wall; 2-a pneumatic valve core assembly; 3-end cover; 4-a barometric sensor; 5-PCB control panel; 51-terminal; 6-an electronic control execution component; 7-proportional solenoid valve; 8-CAN communication connector; 81-pin insertion; 9-an exhaust valve; 10-a gas release plug; 11-an air intake duct; 12-a working pipe; 12A-boss; 121 — a first channel; 122-second channel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The invention provides an intelligent stepless electromagnetic valve which comprises a valve body 1, a pneumatic valve core assembly 2 and a control assembly, as shown in figures 1-3.
The valve body 1 is provided with an air inlet pipeline 11 and two working pipelines 12 extending along the X-axis direction, the two working pipelines 12 are located on two sides of the air inlet pipeline 11, first ends of the working pipelines 12 and the air inlet pipeline 11 are communicated to the outside, a first channel 121 extending along the Y-axis direction is arranged between a second end of each of the two working pipelines 12 and the air inlet pipeline 11, and a third end of each of the two working pipelines 12 is in butt joint with each other along the Y-axis direction to form a second channel 122 capable of being communicated to the outside.
The pneumatic valve core assembly 2 is arranged in the working pipeline 12, the control assembly comprises two air pressure sensors 4, and the sensing ends of the air pressure sensors 4 are arranged in the working pipeline 12 and obtain the air pressure in the working pipeline 12. In the present embodiment, the air-operated valve core assembly 2 is a three-position three-way solenoid valve.
The intelligent stepless electromagnetic valve can be in one of the following three working conditions:
during the operating mode of admitting air, pneumatic valve core assembly 2 is the state of admitting air, keeps normally closed between second passageway 122 and the pneumatic valve core assembly 2, and admission line 11 keeps and normally opens between the working pipeline 12 that corresponds through pneumatic valve core assembly 2.
During the pressurize operating mode, pneumatic valve core subassembly 2 is the pressurize state, and pneumatic valve core subassembly 2 keeps and closes between admission line 11 and the second passageway 122.
During the exhaust operating mode, pneumatic valve core assembly 2 is the exhaust state, keeps normally closed between admission line 11 and the pneumatic valve core assembly 2, and second passageway 122 keeps normally open between with corresponding working channel 12 through pneumatic valve core assembly 2.
As shown in fig. 2, the control assembly further includes a PCB control board 5, two air pressure sensors 4 are disposed on the PCB control board 5, and two terminals 51 are disposed on the PCB control board 5.
Referring to fig. 1, an electrically controlled actuator 6 is further connected to the end of each pneumatic valve core assembly 2, a proportional solenoid valve 7 is connected to the end of the electrically controlled actuator 6, the proportional solenoid valve 7 is at least partially disposed outside the valve body 1, and the input end of the proportional solenoid valve 7 is connected to the terminal 51.
The valve body 1 is provided with an end cover 3, and an air pressure sensor 4, a PCB control board 5 and a terminal 51 are arranged between the valve body 1 and the end cover 3.
The control assembly further comprises a CAN communication connector 8, the CAN communication connector 8 is arranged on the outer end face of the end cover 3, and a contact pin 81 of the CAN communication connector 8 penetrates through the end cover 3 and is connected with the PCB control board 5.
The working pipeline 12 is provided with a boss 12A extending to the PCB control board 5, and the air pressure sensor 4 is hermetically connected in the boss 12A.
The valve body 1 is provided with an exhaust valve 9 on an end surface (bottom surface of the valve body 1) departing from the end cover 3, and the exhaust valve 9 is communicated with the second passage 122. And in the exhaust working condition, the exhaust valve 9 is communicated with the two second passages 122, so that exhaust is performed.
Be equipped with between the inner wall of valve body 1 and the working line 12 and connect wall 1C, connect wall 1C and be equipped with the inside and outside gassing passageway of intercommunication valve body 1 (this gassing passageway extends along the direction of height of valve body 1), the end of gassing passageway is equipped with air release plug 10. The gas between the end cover 3 and the valve body 1 can be released in time through the air release plug 10.
A first processing channel 1A and a second processing channel 1B are respectively arranged on two sides of the valve body 1, the first processing channel 1A is coaxial with the first channel 121 and extends inwards to the working pipeline 12 on the corresponding side, and the second processing channel 1B is coaxial with the second channel 122 and extends inwards to the working pipeline 12 on the corresponding side.
The installation principle of the invention is as follows:
the valve body 1 and the end cover 3 are connected through a casting process, the pneumatic valve core assembly 2 is installed in the working pipeline 12, then the electric control execution assembly 6 is installed, finally the proportional solenoid valve 7 is installed in the valve body 1, and the proportional solenoid valve 7 and the valve body 1 can be connected through fastening modes such as pins or bolts.
After installing pneumatic case subassembly 2 and automatically controlled executive module 6, install PCB control panel 5, baroceptor 4 and other electronic components in valve body 1, wherein PCB control panel 5 includes terminal 51, wherein seals through O type circle between PCB control panel 5 and the valve body 1, and O type circle is used for the gas seal between baroceptor 4 and working pipeline 12, and in this embodiment, baroceptor 4 has upper and lower twice O type circle.
The end cover 51 and the CAN communication connector 8 are tightly connected together through bolts and connected with the valve body 1 through bolts, and the connector pin 81 and the PCB control board 5 are welded.
The exhaust valve 9 is then bolted and the bleeder plug 10 is installed.
The working principle of the intelligent stepless electromagnetic valve is as follows:
as shown in fig. 1 and 4, in the air intake working condition, the air-operated valve core assembly 2 is in the air intake state, the second passage 122 and the air-operated valve core assembly 2 are kept normally closed, and the air intake pipe 11 is kept normally open between the air-operated valve core assembly 2 and the corresponding working pipe 12;
during the pressurize operating mode, pneumatic valve core subassembly 2 is the pressurize state, and pneumatic valve core subassembly 2 keeps and closes between admission line 11 and the second passageway 122.
As shown in fig. 1 and 5, in the exhaust operation, the air-operated valve core assembly 2 is in the exhaust state, the air inlet pipe 11 and the air-operated valve core assembly 2 are kept normally closed, and the second passage 122 is kept normally open with the corresponding working pipe 12 through the air-operated valve core assembly 2.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. An intelligent stepless electromagnetic valve, comprising:
the valve body (1) is provided with an air inlet pipeline (11) and two working pipelines (12) which extend along the X-axis direction, the two working pipelines (12) are located on two sides of the air inlet pipeline (11), first ends of the working pipelines (12) and the air inlet pipeline (11) are communicated to the outside, a first channel (121) which extends along the Y-axis direction is arranged between a second end of each working pipeline (12) and the air inlet pipeline (11), and third ends of the two working pipelines (12) are in butt joint along the Y-axis direction to form a second channel (122) which can be communicated to the outside;
a pneumatic spool assembly (2), the pneumatic spool assembly (2) being disposed in the working conduit (12);
the control assembly comprises two air pressure sensors (4), and the sensing ends of the air pressure sensors (4) are arranged in the working pipeline (12);
the pneumatic valve core assembly (2) can be selectively switched to be in one of an air inlet state, a pressure maintaining state or an air exhaust state according to an air pressure value measured by the corresponding air pressure sensor (4), and the working pipeline (12) and the first channel (121) are normally open or normally closed, and the working pipeline (12) and the second channel (122) are normally open or normally closed.
2. The intelligent stepless electromagnetic valve according to claim 1, characterized in that the control assembly further comprises a PCB control board (5), two air pressure sensors (4) are arranged on the PCB control board (5), and two terminals (51) are arranged on the PCB control board (5).
3. The intelligent stepless electromagnetic valve according to claim 2, characterized in that each pneumatic valve core assembly (2) is further connected with an electric control execution assembly (6), one end of the electric control execution assembly (6) far away from the pneumatic valve core assembly (2) is connected with a proportional electromagnetic valve (7), the proportional electromagnetic valve (7) is at least partially arranged outside the valve body (1), and the input end of the proportional electromagnetic valve (7) is connected to the terminal (51).
4. The intelligent stepless electromagnetic valve according to the claim 3, characterized in that the top of the valve body (1) is connected with an end cover (3), and the air pressure sensor (4), the PCB control board (5) and the terminal (51) are arranged between the valve body (1) and the end cover (3).
5. The intelligent stepless electromagnetic valve according to claim 4, characterized in that the control assembly further comprises a CAN communication connector (8), the CAN communication connector (8) is arranged on the outer end face of the end cover (3), and a pin (81) of the CAN communication connector (8) penetrates through the end cover (3) and is connected with the PCB control board (5).
6. The intelligent stepless electromagnetic valve according to the claim 5, characterized in that the working pipe (12) is provided with a boss (12A) extending to the PCB control board (5), and the air pressure sensor (4) is hermetically connected in the boss (12A).
7. An intelligent stepless electromagnetic valve according to claim 6, characterized in that the valve body (1) is provided with an exhaust valve (9) on the end face facing away from the end cover (3), the exhaust valve (9) being in communication with the second channel (122).
8. The intelligent stepless electromagnetic valve according to claim 7, characterized in that a connecting wall (1C) is arranged between the inner wall of the valve body (1) and the working pipeline (12), the connecting wall (1C) is provided with a gas discharging channel communicating the inside and the outside of the valve body (1), and the gas discharging channel is provided with a gas discharging plug (10).
9. The intelligent stepless electromagnetic valve according to the claim 1, characterized in that, the two sides of the valve body (1) are respectively provided with a first processing channel (1A) and a second processing channel (1B), the first processing channel (1A) is arranged coaxially with the first channel (121) and extends inwards to the working pipeline (12) of the corresponding side, and the second processing channel (1B) is arranged coaxially with the second channel (122) and extends inwards to the working pipeline (12) of the corresponding side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911364688.0A CN111102382A (en) | 2019-12-26 | 2019-12-26 | Intelligent stepless electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911364688.0A CN111102382A (en) | 2019-12-26 | 2019-12-26 | Intelligent stepless electromagnetic valve |
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| Publication Number | Publication Date |
|---|---|
| CN111102382A true CN111102382A (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911364688.0A Pending CN111102382A (en) | 2019-12-26 | 2019-12-26 | Intelligent stepless electromagnetic valve |
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| CN (1) | CN111102382A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10345062A1 (en) * | 2003-09-26 | 2005-05-04 | Bosch Gmbh Robert | Electromagnetically operated pressure regulating valve for electrohydraulic control unit for automatic gearbox for motor vehicle has magnetic core fixed in housing by at least one intermediate ring mounted on one end of housing |
| CN202674399U (en) * | 2012-07-17 | 2013-01-16 | 浙江中柴机器有限公司 | Gear box control valve |
| CN106438982A (en) * | 2016-08-30 | 2017-02-22 | 宁波星宇国均汽车电磁阀有限公司 | Automatic transmission clutch control electromagnetic valve |
| CN109185446A (en) * | 2018-11-13 | 2019-01-11 | 安徽江淮汽车集团股份有限公司 | A kind of electromagnetic pressure control valve for automatic gear-box |
| CN210978499U (en) * | 2019-10-22 | 2020-07-10 | 一汽解放汽车有限公司 | Double-loop pneumatic control device capable of being controlled independently |
-
2019
- 2019-12-26 CN CN201911364688.0A patent/CN111102382A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10345062A1 (en) * | 2003-09-26 | 2005-05-04 | Bosch Gmbh Robert | Electromagnetically operated pressure regulating valve for electrohydraulic control unit for automatic gearbox for motor vehicle has magnetic core fixed in housing by at least one intermediate ring mounted on one end of housing |
| CN202674399U (en) * | 2012-07-17 | 2013-01-16 | 浙江中柴机器有限公司 | Gear box control valve |
| CN106438982A (en) * | 2016-08-30 | 2017-02-22 | 宁波星宇国均汽车电磁阀有限公司 | Automatic transmission clutch control electromagnetic valve |
| CN109185446A (en) * | 2018-11-13 | 2019-01-11 | 安徽江淮汽车集团股份有限公司 | A kind of electromagnetic pressure control valve for automatic gear-box |
| CN210978499U (en) * | 2019-10-22 | 2020-07-10 | 一汽解放汽车有限公司 | Double-loop pneumatic control device capable of being controlled independently |
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Application publication date: 20200505 |