CN110541853A - Electro-hydraulic supercharger - Google Patents
Electro-hydraulic supercharger Download PDFInfo
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- CN110541853A CN110541853A CN201910710256.4A CN201910710256A CN110541853A CN 110541853 A CN110541853 A CN 110541853A CN 201910710256 A CN201910710256 A CN 201910710256A CN 110541853 A CN110541853 A CN 110541853A
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- oil
- pilot valve
- supercharger
- pressure
- pressure cavity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
the invention discloses an electrohydraulic supercharger, which comprises a main valve body and a double-head piston, wherein the double-head piston and the main valve body form a low-pressure cavity, the low-pressure cavity comprises a left low-pressure cavity and a right low-pressure cavity, a first piston sleeve and a second piston sleeve are arranged on two sides of the double-head piston, and cavities formed by the double-head piston, the first piston sleeve and the second piston sleeve are respectively a left high-pressure cavity and a right high-pressure cavity. Through the mode, the electro-hydraulic type supercharger controlled by the program shortens the time required by supercharging, and the time is shortened more remarkably as the volume of the outlet is larger; the pressure fluctuation difference caused by piston reversing every time is reduced; reducing the overshoot of pressure before the target pressure is reached; the pressure accuracy in a steady state is increased; the whole pressurizing module is miniaturized; so that the components are digitized and can be interconnected.
Description
Technical Field
The invention relates to a supercharger, in particular to an electrohydraulic supercharger.
Background
The hydraulic pressure booster is a device used for quickly raising the low pressure of a system to high pressure in a hydraulic system, and can be applied to a press (especially an advanced hydraulic tire vulcanizing machine), an injection molding machine and a special military approach.
In order to purchase in batches and reduce the cost, the main factories of the hydraulic tire vulcanizer mainly use a supercharger with one supercharging ratio to complete the working cycles of various models with different supercharging ratios (smaller than the supercharging ratio of the purchased supercharger).
At present, the sitting type hydraulic pressure booster on the market needs to be matched with a 6-path electromagnetic directional valve to control the opening and closing of the booster, and meanwhile, the instruction for controlling the electromagnetic directional valve is from a PLC of the whole machine. Under the concept of the system design, two supercharger design principles are mainly adopted in the market at present, wherein the first supercharger is a hydraulic balance reversing supercharger produced by miniBooster company; the second is a mechanically commutated supercharger from Parker corporation.
Specifically, the sitting supercharger in the hydraulic balance reversing supercharger produced by the first miniBooster company needs to be overlapped by a 6-path reversing valve.
Whether a 6-path valve exists in a mechanical reversing type supercharger produced by Parker corporation of the second type does not influence the use of the supercharger, but the 6-path valve is required to control the operation and work of a product in the use process of a hydraulic oil circuit of the whole machine equipment.
Disclosure of Invention
the invention mainly solves the technical problem of how to provide a method for shortening the time required by pressurization, wherein the time is shortened more obviously when the volume of an outlet is larger; reducing the pressure fluctuation caused by piston reversing each time; reducing the overshoot of pressure before the target pressure is reached; increasing the pressure accuracy at steady state; miniaturizing the entire boost module; the components are digitalized, and the interconnected electrohydraulic supercharger can be realized.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is an electro-hydraulic supercharger, comprising: the main valve body, double-end piston, wherein, double-end piston and the main valve body form the low-pressure chamber, the low-pressure chamber include left side low-pressure chamber and right side low-pressure chamber.
The small faces on the two sides of the double-head piston are respectively a first small face and a second small face, the large face in the middle is a first large face and a second large face, and the first piston sleeve and the second piston sleeve are arranged on the two sides of the double-head piston.
the double-end piston is left side high-pressure chamber, right side high-pressure chamber respectively with the cavity that first piston sleeve, second piston sleeve formed.
In one embodiment, the electrohydraulic supercharger further comprises a valve core, a first pilot valve electromagnet, a second pilot valve electromagnet, a pilot valve oil inlet P, a pilot valve oil return port T, an oil port a, and an oil port B, wherein the pilot valve oil inlet P is communicated with the oil port a, and the pilot valve oil return port T is communicated with the oil port B.
in one embodiment, the electro-hydraulic supercharger further comprises a first oil path, a second oil path, a third oil path, a fourth oil path and a pilot valve; hydraulic oil flowing into an oil inlet P of the pilot valve enters the left low-pressure cavity through the first oil way, the pilot valve and the third oil way; and the right low-pressure cavity is communicated with the pilot valve oil return port T through a fourth oil way, the pilot valve and the second oil way.
In one specific embodiment, the electro-hydraulic supercharger further comprises a fifth oil way, a sixth oil way, a seventh oil way, an eighth oil way, a ninth oil way, a first check valve, a second check valve and a supercharger high-pressure outlet A;
Oil enters a ninth oil way through a seventh oil way after passing through a pilot valve oil inlet P and a first check valve and a second check valve, and then is discharged through a supercharger high-pressure outlet A, and meanwhile, part of the oil is filled with the oil in a left high-pressure cavity through a fifth oil way.
In one specific embodiment, the electro-hydraulic supercharger further comprises a fifth oil way, a sixth oil way, a seventh oil way, an eighth oil way, a ninth oil way, a third check valve, a fourth check valve and a supercharger high-pressure outlet A;
Oil liquid enters a ninth oil way through an eighth oil way after passing through a pilot valve oil inlet P and a third check valve and a fourth check valve and then is discharged through a supercharger high-pressure outlet A, and meanwhile, part of oil liquid is discharged from the oil liquid in a right high-pressure cavity through a sixth oil way.
In one embodiment, the electrohydraulic supercharger further comprises an embedded module, and the embedded module is in control connection with the first pilot valve electromagnet and the second pilot valve electromagnet, so that the embedded module controls the first pilot valve electromagnet and the second pilot valve electromagnet.
In one embodiment, the electrohydraulic supercharger further comprises a first electric wire and a second electric wire, wherein the first electric wire electrically connects the embedded module and the first pilot electromagnet, the second electric wire electrically connects the embedded module and the second pilot electromagnet, when the first pilot electromagnet is powered, the first pilot electromagnet pushes the valve core to the right position, the pilot oil inlet P is communicated with the oil port B, and the oil port a is communicated with the pilot oil return port T. Hydraulic oil flowing into an oil inlet P of the pilot valve enters the right low-pressure cavity through the first oil way, the pilot valve and the fourth oil way, and meanwhile, the hydraulic oil flowing into the oil inlet P of the pilot valve enters the right high-pressure cavity through the eighth oil way, the third one-way valve and the sixth oil way to fill the right high-pressure cavity; the oil in the left low-pressure cavity flows back to the system through the third oil way, the pilot valve and the second oil way, the double-end piston moves leftwards, and the liquid in the left high-pressure cavity is compressed and pressurized, enters the ninth oil way through the fifth oil way and the second one-way valve and is extruded out of the high-pressure outlet A of the supercharger.
In one embodiment, the electrohydraulic supercharger further comprises a first electric wire and a second electric wire, the first electric wire electrically connects the embedded module with the first pilot electromagnet, the second electric wire electrically connects the embedded module with the second pilot electromagnet, when the second pilot electromagnet is powered on and the first pilot electromagnet is powered off, the second pilot electromagnet pushes the valve element to return to the left initial position, the pilot oil inlet P is communicated with the oil port a, the oil port B is communicated with the pilot oil return port T, the left low-pressure cavity and the left high-pressure cavity are filled with system oil, the right low-pressure cavity oil flows back to the system, and the right high-pressure cavity oil enters the ninth oil path through the sixth oil path and the fourth check valve and is extruded through the supercharger high-pressure outlet a.
The invention has the beneficial effects that: the time required for pressurization is shortened, and the time is shortened more remarkably when the volume at the outlet is larger; the pressure fluctuation difference caused by piston reversing every time is reduced; reducing the overshoot of pressure before the target pressure is reached; the pressure accuracy in a steady state is increased; the whole pressurizing module is miniaturized; so that the components are digitized and can be interconnected.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic diagram of a particular embodiment of an electrohydraulic supercharger of the present invention.
Detailed Description
the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
referring to the drawings, in one embodiment of the present invention, an electrohydraulic supercharger is provided, including: the main valve body 1 and the double-head piston 2, wherein the double-head piston 2 and the main valve body 1 form a low-pressure cavity, and the low-pressure cavity comprises a left low-pressure cavity 7 and a right low-pressure cavity 8;
The small surfaces on the two sides of the double-head piston 2 are respectively a first small surface 3 and a second small surface 4, the large surface in the middle is a first large surface 5 and a second large surface 6, and the first piston sleeve 9 and the second piston sleeve 10 are arranged on the two sides of the double-head piston 2;
The cavities formed by the double-headed piston 2, the first piston sleeve 9 and the second piston sleeve 10 are a left high-pressure cavity 11 and a right high-pressure cavity 12 respectively.
the electrohydraulic supercharger also comprises a valve core 13, a first pilot valve electromagnet 14, a second pilot valve electromagnet 15, a pilot valve oil inlet P, a pilot valve oil return opening T, an oil opening A and an oil opening B, wherein the pilot valve oil inlet P is communicated with the oil opening A, and the pilot valve oil return opening T is communicated with the oil opening B.
The electro-hydraulic supercharger also comprises a first oil way 21, a second oil way 22, a third oil way 25, a fourth oil way 26 and a pilot valve 32; hydraulic oil flowing into a pilot valve oil inlet P enters the left low-pressure cavity 7 through the first oil path 21, the pilot valve 32 and the third oil path 25; the right low pressure chamber 8 is connected to the pilot valve oil return port T via the fourth oil passage 26, the pilot valve 32, and the second oil passage 22.
The electro-hydraulic supercharger also comprises a fifth oil way 27, a sixth oil way 28, a seventh oil way 29, an eighth oil way 30, a ninth oil way 31, a first check valve 17, a second check valve 18 and a supercharger high-pressure outlet A;
Oil enters a ninth oil way 31 through a seventh oil way 29 after passing through a pilot valve oil inlet P and a first check valve 17 and a second check valve 18, and then is discharged through a supercharger high-pressure outlet A, and meanwhile, part of the oil is filled with the oil in the left high-pressure cavity through a fifth oil way 27.
the electro-hydraulic supercharger also comprises a fifth oil way 27, a sixth oil way 28, a seventh oil way 29, an eighth oil way 30, a ninth oil way 31, a third check valve 19, a fourth check valve 20 and a supercharger high-pressure outlet A;
Oil enters a ninth oil way 31 through an eighth oil way 30 after passing through a pilot valve oil inlet P and a third check valve 19 and a fourth check valve 20, and is discharged through a supercharger high-pressure outlet A, and meanwhile, part of the oil is discharged from the oil in a right high-pressure cavity through a sixth oil way 28.
The electrohydraulic supercharger also comprises an embedded module 16, wherein the embedded module 16 is in control connection with the first pilot valve electromagnet 14 and the second pilot valve electromagnet 15, so that the embedded module 16 controls the first pilot valve electromagnet 14 and the second pilot valve electromagnet 15.
The electrohydraulic supercharger also comprises a first electric wire 23 and a second electric wire 24, the first electric wire 23 electrically connects the embedded module 16 with the first pilot valve electromagnet 14, the second electric wire 24 electrically connects the embedded module 16 with the second pilot valve electromagnet 15, when the first pilot valve electromagnet 14 is powered, the first pilot valve electromagnet 14 pushes the valve core 13 to the right, the pilot valve oil inlet P is communicated with the oil port B, and the oil port A is communicated with the pilot valve oil return port T. The hydraulic oil flowing in from the pilot valve oil inlet P enters the right low-pressure cavity 8 through the first oil path 21, the pilot valve 32 and the fourth oil path 26, and simultaneously the hydraulic oil flowing in from the pilot valve oil inlet P enters the right high-pressure cavity 12 through the eighth oil path 30, the third check valve 19 and the sixth oil path 28 to fill the hydraulic oil.
The oil in the left low-pressure cavity 7 flows back to the system through the third oil path 25, the pilot valve 32 and the second oil path 22, the double-head piston 2 moves leftwards, and the liquid in the left high-pressure cavity 11 is compressed and pressurized, enters the ninth oil path 31 through the fifth oil path 27 and the second check valve 18, and is extruded from the supercharger high-pressure outlet A.
When the second pilot valve electromagnet 15 is powered on and the first pilot valve electromagnet 14 is powered off, the second pilot valve electromagnet 15 pushes the valve element 13 to return to the left initial position, the pilot valve oil inlet P is communicated with the oil port a, the oil port B is communicated with the pilot valve oil return port T, the left low-pressure cavity 7 and the left high-pressure cavity 11 are filled with system oil, the oil in the right low-pressure cavity 8 flows back to the system, and the oil in the right high-pressure cavity 12 enters the ninth oil channel 31 through the sixth oil channel 28 and the fourth check valve 20 and is extruded out through the supercharger high-pressure outlet a.
In a specific point embodiment, 1 is a main valve body of the supercharger, 32 is a supercharger pilot valve, 2 is a supercharger double-head piston, small surfaces at two sides of the supercharger double-head piston are 3 and 4, large surfaces at the middle are 5 and 6, and 9 and 10 are piston sleeves respectively arranged at two sides of the double-head piston 2. The left cavity 7 and the right cavity 8 formed by the double-head piston 2 and the main valve body 1 are low-pressure cavities, and the pressure of the low-pressure cavities is not higher than the system pressure. The cavities formed by the double-headed piston 2 and the piston sleeves 9 and 10 are a left high-pressure cavity 11 and a right high-pressure cavity 12 respectively. -
when the supercharger starts to operate, the pilot valve electromagnets 14 and 15 are not electrified at the moment, the valve core 13 is located at the initial position, the pilot valve oil inlet P is communicated with the oil port A, and the oil port B is communicated with the pilot valve oil return port T. Hydraulic oil flowing from a supercharger oil inlet P enters the supercharger left side low pressure cavity 7 through the oil path 21, the pilot valve 32 and the oil path 25; since the supercharger right-side low-pressure chamber 8 is connected to the supercharger return port T via the oil passage 26, the pilot valve 32, and the oil passage 22, the oil pressure in the right-side low-pressure chamber 8 is 0 at this time. Since the force of the left-side oil hydraulic pressure multiplied by the area is larger than the force of the right-side oil hydraulic pressure multiplied by the area, the piston 2 moves rightmost rightward.
Meanwhile, the pressure in the load is lower than the pressure of system oil, so that the system oil is rapidly filled with the oil in the load in two ways through an oil inlet P of the supercharger. One path of the oil way is discharged through a supercharger high-pressure outlet A after entering an oil way 31 through an oil way 29 through a one-way valve 17 and a one-way valve 18, and meanwhile, part of oil is filled with oil in a left high-pressure cavity through an oil way 27; the other path enters an oil path 31 through an oil path 30 through a check valve 19 and a check valve 20 and then is discharged through a high-pressure outlet A of the supercharger, and meanwhile, part of oil is discharged from the oil in the right high-pressure chamber through an oil path 28.
When the load pressure is equal to the system oil pressure, the embedded module 16 starts to control the electromagnets at the two sides, when the electromagnet 14 is powered, the electromagnet 14 pushes the valve core 13 to the right position, the pilot valve oil inlet P is communicated with the oil port B, and the oil port A is communicated with the pilot valve oil return port T. Hydraulic oil flowing into a supercharger oil inlet P enters the right low-pressure cavity 8 of the supercharger through the oil way 21, the pilot valve 32 and the electric wire 24, and meanwhile, the hydraulic oil flowing into the supercharger oil inlet P enters the right high-pressure cavity 12 through the oil way 30, the one-way valve 19 and the oil way 28 to be filled; the oil in the left low-pressure chamber 7 of the supercharger flows back to the system through the oil path 25, the pilot valve 32 and the oil path 22, the piston 2 moves leftwards, and the liquid in the left high-pressure chamber 11 of the supercharger is compressed and pressurized, enters the oil path 31 through the oil path 27 and the one-way valve 18 and is extruded from the high-pressure outlet A of the supercharger.
When the electromagnet 15 is powered on and the electromagnet 14 is powered off, the electromagnet 15 pushes the valve core 13 to return to the left initial position, the pilot valve oil inlet P is communicated with the oil port a, the oil port B is communicated with the pilot valve oil return port T, the left low-pressure cavity 7 and the left high-pressure cavity 11 are filled with system oil, the oil in the right low-pressure cavity 8 flows back to the system, and the oil in the right high-pressure cavity 12 enters the oil channel 31 through the oil channel 28 and the check valve 20 and then is extruded out through the supercharger high-pressure outlet a. Thereby completing the reciprocating motion of the entire piston. The power-on and power-off duration, interval, strength and the like of the electromagnets 14 and 15 are controlled by the embedded module 16.
therefore, the invention has the following advantages:
1. The time required for pressurization is shortened, and the time is shortened more remarkably when the volume at the outlet is larger;
2. The pressure fluctuation difference caused by piston reversing every time is reduced;
3. Reducing the overshoot of pressure before the target pressure is reached;
4. the pressure accuracy in a steady state is increased;
5. The whole pressurizing module is miniaturized;
6. so that the components are digitized and can be interconnected.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. an electro-hydraulic supercharger, comprising: the high-pressure-resistant valve comprises a main valve body (1) and a double-head piston (2), wherein the double-head piston (2) and the main valve body (1) form a low-pressure cavity, and the low-pressure cavity comprises a left low-pressure cavity (7) and a right low-pressure cavity (8);
The small surfaces on the two sides of the double-head piston (2) are respectively a first small surface (3) and a second small surface (4), the large surface in the middle is a first large surface (5) and a second large surface (6), and the first piston sleeve (9) and the second piston sleeve (10) are arranged on the two sides of the double-head piston (2);
The double-end piston (2), the first piston sleeve (9) and the second piston sleeve (10) form a cavity which is a left high-pressure cavity (11) and a right high-pressure cavity (12) respectively.
2. The electrohydraulic supercharger of claim 1, wherein the electrohydraulic supercharger further comprises a valve core (13), a first pilot valve electromagnet (14), a second pilot valve electromagnet (15), a pilot valve oil inlet (P), a pilot valve oil return port (T), an oil port (A) and an oil port (B), the pilot valve oil inlet (P) is communicated with the oil port (A), and the pilot valve oil return port (T) is communicated with the oil port (B).
3. The electro-hydraulic supercharger of claim 2, wherein the electro-hydraulic supercharger further comprises a first oil passage (21), a second oil passage (22), a third oil passage (25), a fourth oil passage (26), and a pilot valve (32); hydraulic oil flowing into a pilot valve oil inlet (P) enters a left low-pressure cavity (7) through a first oil path (21), a pilot valve (32) and a third oil path (25); the right low-pressure cavity (8) is communicated with a pilot valve oil return port (T) through a fourth oil path (26), a pilot valve (32) and a second oil path (22).
4. The electro-hydraulic supercharger of claim 3, further comprising a fifth oil passage (27), a sixth oil passage (28), a seventh oil passage (29), an eighth oil passage (30), a ninth oil passage (31), a first check valve (17), a second check valve (18), and a supercharger high-pressure outlet (A);
Oil liquid enters a ninth oil way (31) through a seventh oil way (29) after passing through a pilot valve oil inlet (P) and a first check valve (17) and a second check valve (18) and then is discharged through a supercharger high-pressure outlet (A), and meanwhile, part of the oil liquid is filled with the oil liquid in a left high-pressure cavity through a fifth oil way (27).
5. The electro-hydraulic supercharger of claim 3, further comprising a fifth oil passage (27), a sixth oil passage (28), a seventh oil passage (29), an eighth oil passage (30), a ninth oil passage (31), a third check valve (19), a fourth check valve (20), and a supercharger high-pressure outlet (A);
oil liquid enters a ninth oil way (31) through an eighth oil way (30) after passing through a pilot valve oil inlet (P) and a third check valve (19) and a fourth check valve (20) and then is discharged through a supercharger high-pressure outlet (A), and meanwhile, part of oil liquid is discharged from the oil liquid in a right high-pressure cavity through a sixth oil way (28).
6. the electro-hydraulic supercharger according to claim 4 or 5, characterized in that the electro-hydraulic supercharger further comprises an embedded module (16), and the embedded module (16) is in control connection with the first pilot valve electromagnet (14) and the second pilot valve electromagnet (15), so that the embedded module (16) controls the first pilot valve electromagnet (14) and the second pilot valve electromagnet (15).
7. The electrohydraulic supercharger of claim 6, wherein the electrohydraulic supercharger further comprises a first electric wire (23) and a second electric wire (24), the first electric wire (23) electrically connects the embedded module (16) with the first pilot valve electromagnet (14), the second electric wire (24) electrically connects the embedded module (16) with the second pilot valve electromagnet (15), when the first pilot valve electromagnet (14) is energized, the first pilot valve electromagnet (14) pushes the valve element (13) to the right, the pilot valve oil inlet (P) is communicated with the oil port (B), the oil port (A) is communicated with the pilot valve oil return port (T), hydraulic oil flowing into the pilot valve oil inlet (P) enters the right low pressure cavity (8) through the first oil path (21), the pilot valve (32) and the fourth oil path (26), and meanwhile, the hydraulic oil flowing into the pilot valve oil inlet (P) flows through the eighth oil path (30), The third check valve (19) and the sixth oil way (28) enter the right high-pressure cavity (12) to fill the right high-pressure cavity; oil in the left low-pressure cavity (7) flows back to the system through the third oil way (25), the pilot valve (32) and the second oil way (22), the double-head piston (2) moves leftwards, and liquid in the left high-pressure cavity (11) is compressed and pressurized, enters the ninth oil way (31) through the fifth oil way (27) and the second one-way valve (18) and then is extruded out of the supercharger high-pressure outlet (A).
8. the electrohydraulic supercharger of claim 7, wherein the electrohydraulic supercharger further comprises a first electric wire (23) and a second electric wire (24), the first electric wire (23) electrically connects the embedded module (16) with the first pilot valve electromagnet (14), the second electric wire (24) electrically connects the embedded module (16) with the second pilot valve electromagnet (15), when the second pilot valve electromagnet (15) is powered on and the first pilot valve electromagnet (14) is powered off, the second pilot valve electromagnet (15) pushes the valve element (13) to return to the left initial position, the pilot valve oil inlet (P) is communicated with the oil port (A), the oil port (B) is communicated with the pilot valve oil return port (T), the left low-pressure chamber (7) and the left high-pressure chamber (11) are filled with system oil, the right low-pressure chamber (8) is filled with the oil return system, and the right high-pressure chamber (12) is filled with the oil through a sixth oil passage (28), And the fourth check valve (20) enters the ninth oil way (31) and is extruded out through a high-pressure outlet (A) of the supercharger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910710256.4A CN110541853A (en) | 2019-08-02 | 2019-08-02 | Electro-hydraulic supercharger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910710256.4A CN110541853A (en) | 2019-08-02 | 2019-08-02 | Electro-hydraulic supercharger |
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| Publication Number | Publication Date |
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| CN110541853A true CN110541853A (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910710256.4A Withdrawn CN110541853A (en) | 2019-08-02 | 2019-08-02 | Electro-hydraulic supercharger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202100014633A1 (en) * | 2021-06-04 | 2022-12-04 | Camozzi Automation S P A | PRESSURE MULTIPLIER |
-
2019
- 2019-08-02 CN CN201910710256.4A patent/CN110541853A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202100014633A1 (en) * | 2021-06-04 | 2022-12-04 | Camozzi Automation S P A | PRESSURE MULTIPLIER |
| WO2022254262A1 (en) * | 2021-06-04 | 2022-12-08 | Camozzi Automation S.p.A. | Pressure multiplier |
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Application publication date: 20191206 |
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