CN219388018U - Gas pressure regulating valve and electromagnetic valve combined control assembly and multi-fuel engine power - Google Patents
Gas pressure regulating valve and electromagnetic valve combined control assembly and multi-fuel engine power Download PDFInfo
- Publication number
- CN219388018U CN219388018U CN202320605939.5U CN202320605939U CN219388018U CN 219388018 U CN219388018 U CN 219388018U CN 202320605939 U CN202320605939 U CN 202320605939U CN 219388018 U CN219388018 U CN 219388018U
- Authority
- CN
- China
- Prior art keywords
- iron core
- pressure regulating
- gas
- valve
- gas pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to the technical field of engines, in particular to a fuel gas pressure regulating valve and electromagnetic valve combined control assembly and a multi-fuel engine power, aiming at solving the technical problem that in the related art, delay exists when fuel is converted from a gas state to a liquid state. In the combined control assembly of the gas pressure regulating valve and the electromagnetic valve, the electromagnetic coil is electrified or not, and the opening and the closing of the gas channel are correspondingly controlled, namely, the opening and the closing of the gas channel are controlled, so that the control assembly can be adopted to perform quick response when fuel is switched, so that a gas fuel source can be accurately and timely turned off, instantaneous detonating is prevented, and the safe use and the performance of the power of the gas pressure regulating valve are ensured.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to a fuel gas pressure regulating valve and electromagnetic valve combined control assembly and a multi-fuel engine power.
Background
The multi-fuel engine is an engine capable of running by using liquid fuel and gaseous fuel, has the technical characteristics of high efficiency, low pollution emission and the like, and has good development prospect.
To achieve the switching use of different fuels, multi-fuel engines are equipped with fuel control systems. Specifically, when the fuel is switched from a liquid state to a gas state, the fuel control system controls the oil needle to directly block the oil inlet channel communicated with the float chamber and the mixing chamber, and simultaneously opens the gas channel communicated with the gas source and the mixing chamber so as to realize gas driving; when the fuel is switched from the gas state to the liquid state, the fuel control system controls the gas circuit pipeline to be closed, and simultaneously moves the oil needle downwards to ensure that the oil inlet channel is unblocked so as to realize fuel driving.
It should be noted that in the actual situation, when the fuel is converted from the gas state to the liquid state, there is a problem of time delay, that is, the gas path pipeline is not closed timely, so that part of the fuel gas still enters the mixing chamber and is mixed with the fuel gas and the air together, and accordingly, the detonation occurs, and the safe use and performance of the power of the engine are affected.
Disclosure of Invention
The utility model aims to provide a fuel gas pressure regulating valve and electromagnetic valve combined control assembly and a multi-fuel engine power, so as to solve the technical problem that time delay exists when fuel is converted from a gas state to a liquid state in the related art.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
in a first aspect, the present utility model provides a combination control assembly of a gas pressure regulating valve and an electromagnetic valve, which is disposed in a gas path pipeline, and includes: a gas pressure regulating valve and an electromagnetic valve;
the gas pressure regulating valve comprises a gas inlet and a gas outlet;
the electromagnetic valve comprises a valve seat, a sealing iron core and an electromagnetic coil;
the valve seat is arranged on the gas pressure regulating valve and is provided with a gas channel, the gas channel is provided with a first vent and a second vent, and the first vent is communicated with the gas inlet or the gas outlet;
the sealed iron core is abutted with the outer edge of the second air vent;
the electromagnetic coil is arranged on the valve seat and sleeved on the sealing iron core, and the electromagnetic coil is configured to attract the sealing iron core to move away from the second ventilation opening under the electrifying working condition.
Further, the electromagnetic valve further comprises a fixed plug and an elastic piece;
the fixed plug is arranged on the electromagnetic coil and is close to the end part of the sealed iron core, which is far away from the second air vent;
the elastic piece is connected between the fixed plug and the sealing iron core, so that the sealing iron core has a trend of moving towards the second ventilation opening.
Further, the sealing iron core is provided with a limiting blind hole, and the limiting blind hole extends from the end surface of the sealing iron core, which is close to the fixed plug, towards the second ventilation opening along the axial direction of the sealing iron core;
the elastic piece comprises a spring, and two ends of the spring are respectively abutted with the bottom wall of the limiting blind hole and the end face of the fixed plug.
Further, the electromagnetic valve further comprises an iron core barrel;
the iron core barrel is fixed on the valve seat and provided with a containing channel which extends along the axial direction of the fuel gas channel and is communicated with the fuel gas channel;
the sealed iron core is arranged in the accommodating channel and can slide along the length direction of the accommodating channel.
Further, the fixed plug is fixedly connected with the end part of the iron core barrel, which is far away from the valve seat;
the electromagnetic coil is sleeved on the iron core barrel and is abutted between the iron core barrel and the fixed plug.
Further, the sealed iron core comprises a sealing gasket and an iron core body;
one end of the sealing gasket is used for sealing the second ventilation opening, and the other end of the sealing gasket is connected with the iron core body.
Further, the gasket comprises a sealing section and a connecting section;
the sealing section and the connecting section are integrally formed;
the end part of the iron core body, which is close to the second air vent, is provided with a mounting hole, and the connecting block is embedded in the mounting hole.
Furthermore, the valve seat is further provided with a connecting channel, and the connecting channel can be communicated with the second air vent under the power-on working condition.
Further, the electromagnetic valve further comprises a connector, and the connector is arranged on the valve seat and is communicated with the connecting channel.
In a second aspect, the power of the multi-fuel engine provided by the utility model comprises the fuel gas pressure regulating valve and electromagnetic valve combined control assembly.
In summary, the technical effects that the gas pressure regulating valve and electromagnetic valve combined control assembly provided by the utility model can realize are as follows:
in the application, the sealing iron core is abutted with the outer edge of the second air vent, so that the second air vent is blocked, the gas channel is in a closed state and cannot pass through gas, and meanwhile, the gas cannot enter the gas pressure regulating valve through the electromagnetic valve and the air inlet or is discharged from the gas pressure regulating valve and the electromagnetic valve, so that the gas channel is in a closed state; when the electromagnetic coil is electrified, the electromagnetic force generated by the electromagnetic coil attracts the sealing iron core to enable the sealing iron core to move away from the second vent, so that the gas channel is smooth, and gas can enter the gas pressure regulating valve through the electromagnetic valve and the gas inlet and be discharged, or be discharged from the gas pressure regulating valve and the electromagnetic valve, and the gas channel is in an open state.
Immediately above, whether solenoid is electrified or not, the opening and closing of the gas channel are correspondingly controlled, namely, the opening and closing of the gas channel pipeline are controlled, so that the combined control assembly of the gas pressure regulating valve and the electromagnetic valve can be used for performing quick response when fuel is switched, so that the gas fuel source can be accurately and timely turned off, instantaneous detonating is prevented, and the safe use and performance of the power of the gas fuel source are ensured.
The multi-fuel engine power provided by the utility model has the beneficial effects that:
the multi-fuel engine power provided by the utility model comprises the fuel gas pressure regulating valve and electromagnetic valve combined control assembly, so that the technical advantages and effects achieved by the multi-fuel engine power also comprise the technical advantages and effects achieved by the fuel gas pressure regulating valve and electromagnetic valve combined control assembly, and the technical advantages and effects are not repeated here.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a combined control assembly of a gas pressure regulating valve and an electromagnetic valve according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a combined control assembly of a gas pressure regulating valve and a solenoid valve according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram illustrating an application of a combined control assembly of a gas pressure regulating valve and a solenoid valve according to an embodiment of the present utility model;
fig. 4 is an application schematic diagram of a combined control assembly of a gas pressure regulating valve and an electromagnetic valve according to an embodiment of the present utility model.
Icon: 100-a gas pressure regulating valve;
200-electromagnetic valve; 210-valve seat; 220-sealing the iron core; 230-electromagnetic coil; 240-fixing the plugs; 250-elastic member; 260-iron core barrel; 270-linker; 211-gas passage; 212-connecting channels; 221-a gasket; 222-an iron core body; 261-receiving channel; 2111—a first vent; 2112—a second vent; 2211—a seal segment; 2212-a connection segment; 2221-limit blind hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
In practical cases, when the fuel is converted from a gas state to a liquid state, the problem of time delay exists, namely, the gas path pipeline is not closed timely, so that partial fuel gas still enters the mixing chamber and is mixed with the fuel oil and air, and the detonation occurs, so that the safe use and performance of the power of the engine are affected.
In view of the above, the present utility model provides a combined control assembly of a gas pressure regulating valve and an electromagnetic valve, which is disposed in a gas path pipeline, and referring to fig. 1 to 4, the combined control assembly of a gas pressure regulating valve and an electromagnetic valve comprises a gas pressure regulating valve 100 and an electromagnetic valve 200; the gas pressure regulating valve 100 includes a gas inlet and a gas outlet; solenoid valve 200 includes valve seat 210, seal core 220, and solenoid coil 230; the valve seat 210 is disposed on the gas pressure regulating valve 100 and is provided with a gas channel 211, wherein the gas channel 211 is provided with a first vent 2111 and a second vent 2112, and the first vent 2111 is communicated with the gas inlet or the gas outlet; the seal iron core 220 is abutted against the outer edge of the second ventilation port 2112; the electromagnetic coil 230 is disposed on the valve seat 210 and sleeved on the seal iron core 220, and the electromagnetic coil 230 is configured to attract the seal iron core 220 to move away from the second ventilation port 2112 under the power-on working condition.
In the present application, the seal iron core 220 abuts against the outer edge of the second air vent 2112, so that the second air vent 2112 is blocked, the gas channel 211 is in a closed state, and gas cannot pass through the gas, and meanwhile, the gas cannot enter the gas pressure regulating valve 100 through the electromagnetic valve 200 and the air inlet, or is discharged from the gas pressure regulating valve 100 and the electromagnetic valve 200, so that the gas channel is in a closed state; when the electromagnetic coil 230 is energized, the electromagnetic force generated by the electromagnetic coil will attract the seal iron core 220 to move the seal iron core 220 away from the second air vent 2112, so that the gas channel 211 is unblocked, and the gas can enter the gas pressure regulating valve 100 through the electromagnetic valve 200 and the air inlet and be discharged, or be discharged from the gas pressure regulating valve 100 and the electromagnetic valve 200, so that the gas path pipeline is in an open state.
Immediately above, the electromagnetic coil 230 is electrified or not, and the opening and closing of the gas channel 211 are correspondingly controlled, namely, the opening and closing of the gas channel pipeline are controlled, so that the combined control assembly of the gas pressure regulating valve and the electromagnetic valve can be adopted to perform quick response when fuel is switched, so that the gas fuel source can be accurately and timely turned off, instantaneous detonating is prevented, and the safe use and performance of the power of the gas fuel pump are ensured.
The structure and shape of the gas pressure regulating valve and solenoid valve combined control assembly according to the present embodiment will be described in detail with reference to fig. 1 to 4:
further, referring to fig. 2 to 4, the solenoid valve 200 further includes a fixed plug 240 and an elastic member 250; the fixed plug 240 is disposed on the electromagnetic coil 230 and is close to the end of the seal iron core 220 away from the second vent 2112; the elastic member 250 is connected between the fixed choke plug 240 and the seal iron 220 such that the seal iron 220 has a tendency to move toward the second ventilation opening 2112.
Specifically, referring to fig. 4, the seal iron core 220 is movable in the axial direction of the electromagnetic coil 230, and the left end thereof is used for blocking the second vent 2112; the fixed choke plug 240 is fixed to the electromagnetic coil 230 with each other and is positioned at the right end of the seal core 220. In the initial state, under the action of the elastic piece 250, the left end of the sealing iron core 220 is abutted against the outer edge of the second ventilation opening 2112, so that the gas channel 211 is blocked; when the electromagnetic coil 230 is energized, the electromagnetic force generated by the electromagnetic coil attracts the sealed iron core 220 to move rightward, and the second ventilation opening 2112 is opened, so that the gas passage 211 is opened; when the fuel is switched from the gas state to the liquid state, the electromagnetic valve 200 is powered off, the electromagnetic force is eliminated, the sealing iron core 220 moves leftwards under the action of the elastic piece 250, and the sealing iron core is abutted against the outer edge of the second ventilation port 2112 again, so that the gas channel 211 is blocked.
Further, with continued reference to fig. 4, the seal core 220 is provided with a limit blind hole 2221, and the limit blind hole 2221 extends from the end surface of the seal core 220, which is close to the fixed plug 240, toward the second vent 2112 along the axial direction of the seal core 220; the elastic member 250 includes a spring, and two ends of the spring respectively abut against the bottom wall of the limit blind hole 2221 and the end face of the fixed plug 240.
With continued reference to fig. 4, in the initial state, the spring is in a compressed state, so that the seal iron core 220 abuts against the outer edge of the second air vent 2112, and the gas channel 211 is closed at this time; when the electromagnetic coil 230 is electrified, the electromagnetic force generated by the electromagnetic coil attracts the sealing iron core 220 to move rightward, compressing the spring and keeping away from the second ventilation port 2112, and the fuel gas channel 211 is opened at this time; when the electromagnetic coil 230 is de-energized, the electromagnetic force is removed, and the seal iron core 220 moves leftward by the restoring force of the spring, again closing the second vent 2112, closing the gas passage 211.
Further, referring to fig. 2 to 4, the solenoid valve 200 further includes a core barrel 260; the core barrel 260 is fixed to the valve seat 210 and has a receiving passage 261 extending axially along the gas passage 211 and communicating with the gas passage 211; the seal core 220 is disposed in the receiving channel 261 and is slidable along the length direction of the receiving channel 261.
Specifically, referring to fig. 3 and 4, the valve seat 210 is provided with a fixing hole communicating with the gas passage 211, and the left end of the core barrel 260 is provided in the fixing hole and is screw-coupled with the valve seat 210; the left section of the fixed plug 240 extends into the core barrel 260 and is in threaded connection with the core barrel 260; the electromagnetic coil 230 is sleeved on the iron core barrel 260, and the left end and the right end of the electromagnetic coil are respectively abutted against the iron core barrel 260 and the fixed plug 240; the seal core 220 is disposed in the accommodation channel 261 to be slidable left and right.
Further, with continued reference to fig. 3 and 4, the seal core 220 includes a seal pad 221 and a core body 222; one end of the gasket 221 is used to close the second vent 2112, and the other end is connected to the core body 222.
Specifically, referring to fig. 4, the gasket 221 includes a sealing section 2211 and a connecting section 2212, the sealing section 2211 and the connecting section 2212 are integrally formed, an end portion of the core body 222, which is close to the second air vent 2112, is provided with a mounting hole, and the connecting section 2212 is embedded in the mounting hole. When the iron core body 222 slides leftwards under the action of restoring force of the spring or slides rightwards under the attraction of electromagnetic force, the sealing section 2211 moves synchronously with the sliding action, so that the gas channel 211 is closed or opened.
Further, referring to fig. 2 to 4, the valve seat 210 is further provided with a connection channel 212, and the connection channel 212 can communicate with the second vent 2112 under the power-on condition.
Specifically, taking fig. 4 as an example, the connection channel 212 extends downward from the upper surface of the valve seat 210, and the bottom end of the left portion of the connection channel 212 is blocked, and the right portion is communicated with the second vent 2112, with the plane in which the second vent 2112 is located as an interface. By such design, the contact surface between the sealing pad 221 and the outer edge of the second vent 2112 is reduced, and the sealing pad 221 can closely abut against the outer edge of the second vent 2112 under the restoring force of the spring, thereby improving the sealing property.
Further, with continued reference to fig. 2-4, the solenoid valve 200 further includes a nipple 270, the nipple 270 being disposed in the connecting passage 212 and threadably coupled to the valve seat 210. Through the connector 270, the solenoid valve 200 can be connected to a gas path pipeline for gas inlet or outlet.
In the application, the electromagnetic valve 200 is combined with the gas pressure regulating valve 100, so that the stable, accurate and safe multi-fuel switching process is ensured, the adaptability is wide, the reliability is high, the cost performance is high, and the industrial production can be met.
The multi-fuel engine power provided by the utility model comprises the fuel gas pressure regulating valve and electromagnetic valve combined control assembly, so that the technical advantages and effects achieved by the multi-fuel engine power also comprise the technical advantages and effects achieved by the fuel gas pressure regulating valve and electromagnetic valve combined control assembly, and the technical advantages and effects are not repeated here.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The utility model provides a gas air-vent valve and solenoid valve combination control assembly, sets up in gas circuit pipeline, its characterized in that includes: a gas pressure regulating valve (100) and a solenoid valve (200);
the gas pressure regulating valve (100) comprises a gas inlet and a gas outlet;
the electromagnetic valve (200) comprises a valve seat (210), a sealing iron core (220) and an electromagnetic coil (230);
the valve seat (210) is arranged on the gas pressure regulating valve (100) and is provided with a gas channel (211), the gas channel (211) is provided with a first vent (2111) and a second vent (2112), and the first vent (2111) is communicated with the gas inlet or the gas outlet;
the sealing iron core (220) is abutted with the outer edge of the second ventilation opening (2112);
the electromagnetic coil (230) is arranged on the valve seat (210) and sleeved on the sealing iron core (220), and the electromagnetic coil (230) is configured to attract the sealing iron core (220) to move away from the second ventilation opening (2112) under the power-on working condition.
2. The combination control assembly of a gas pressure regulating valve and a solenoid valve according to claim 1, wherein said solenoid valve (200) further comprises a fixed plug (240) and an elastic member (250);
the fixed plug (240) is arranged at the electromagnetic coil (230) and is close to the end part of the sealed iron core (220) far away from the second ventilation opening (2112);
the elastic piece (250) is connected between the fixed plug (240) and the sealing iron core (220), so that the sealing iron core (220) has a tendency to move towards the second ventilation opening (2112).
3. The gas pressure regulating valve and electromagnetic valve combination control assembly according to claim 2, characterized in that the seal iron core (220) is provided with a limit blind hole (2221), and the limit blind hole (2221) extends from the end surface of the seal iron core (220) close to the fixed plug (240) toward the second air vent (2112) along the axial direction of the seal iron core (220);
the elastic piece (250) comprises a spring, and two ends of the spring are respectively abutted against the bottom wall of the limit blind hole (2221) and the end face of the fixed plug (240).
4. The combination control assembly of a gas pressure regulating valve and a solenoid valve according to claim 2, wherein said solenoid valve (200) further comprises a core barrel (260);
the iron core barrel (260) is fixed on the valve seat (210) and provided with a containing channel (261) which extends along the axial direction of the fuel gas channel (211) and is communicated with the fuel gas channel (211);
the seal iron core (220) is arranged in the accommodating channel (261) and can slide along the length direction of the accommodating channel (261).
5. The fuel gas pressure regulating valve and solenoid valve combination control assembly according to claim 4, wherein the fixed plug (240) is fixedly connected with an end of the core barrel (260) away from the valve seat (210);
the electromagnetic coil (230) is sleeved on the iron core barrel (260) and is abutted between the iron core barrel (260) and the fixed plug (240).
6. The combination control assembly of a gas pressure regulating valve and a solenoid valve according to claim 1, wherein said sealed iron core (220) includes a gasket (221) and an iron core body (222);
one end of the sealing pad (221) is used for sealing the second ventilation opening (2112), and the other end of the sealing pad is connected with the iron core body (222).
7. The combination control assembly of a gas pressure regulating valve and a solenoid valve according to claim 6, wherein said gasket (221) comprises a sealing section (2211) and a connecting section (2212);
the sealing section (2211) and the connecting section (2212) are integrally formed;
the end part of the iron core body (222) close to the second ventilation opening (2112) is provided with a mounting hole, and the connecting section (2212) is embedded in the mounting hole.
8. The combination control assembly according to claim 1, wherein the valve seat (210) is further provided with a connection channel (212), and the connection channel (212) is capable of communicating with the second vent (2112) under the energizing condition.
9. The combination gas pressure regulating valve and solenoid valve control assembly according to claim 8, wherein said solenoid valve (200) further comprises a joint (270), said joint (270) being provided to said valve seat (210) and communicating with said connecting passage (212).
10. A multi-fuel engine power comprising a fuel gas pressure regulating valve and solenoid valve combination control assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320605939.5U CN219388018U (en) | 2023-03-24 | 2023-03-24 | Gas pressure regulating valve and electromagnetic valve combined control assembly and multi-fuel engine power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320605939.5U CN219388018U (en) | 2023-03-24 | 2023-03-24 | Gas pressure regulating valve and electromagnetic valve combined control assembly and multi-fuel engine power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219388018U true CN219388018U (en) | 2023-07-21 |
Family
ID=87168624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320605939.5U Active CN219388018U (en) | 2023-03-24 | 2023-03-24 | Gas pressure regulating valve and electromagnetic valve combined control assembly and multi-fuel engine power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219388018U (en) |
-
2023
- 2023-03-24 CN CN202320605939.5U patent/CN219388018U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6328461B2 (en) | solenoid | |
| KR101955038B1 (en) | Control valve | |
| US4638973A (en) | Inline solenoid operated slide valve | |
| JP7221883B2 (en) | electric valve | |
| JP3870177B2 (en) | Electric fluid pressure control valve | |
| CN112334694B (en) | Pilot-operated electromagnetic valve | |
| CN219388018U (en) | Gas pressure regulating valve and electromagnetic valve combined control assembly and multi-fuel engine power | |
| CN116220926A (en) | Gas pressure regulating valve and electromagnetic valve combined control assembly and multi-fuel engine power | |
| US8245730B2 (en) | Solenoid valve device | |
| US4832313A (en) | Solenoid valve | |
| CN109488803B (en) | Plug and valve core assembly of electric control pneumatic control device | |
| CN203363233U (en) | Electromagnetic draining valve | |
| CN112797185A (en) | Electric proportional pressure valve | |
| CN211715881U (en) | Pilot-operated electromagnetic stop valve device | |
| CN211574324U (en) | Electromagnetic valve | |
| CN210087498U (en) | Electromagnetic air injection valve | |
| CN220302892U (en) | Solenoid valve assembly with double cut-off functions | |
| CN114526352B (en) | Gas equipment and valve body assembly applied to same | |
| CN218761493U (en) | Switch valve and valve core component thereof | |
| CN218954164U (en) | Gas cut-off valve | |
| CN217977653U (en) | Two-position two-way normally closed electromagnetic valve | |
| CN116164132B (en) | Proportional valve and gas proportional control system | |
| CN217634160U (en) | Pressure balance type electromagnetic valve | |
| CN216666562U (en) | High-pressure two-way valve | |
| CN214789312U (en) | Straight-through electric control valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |