CN111927963B - Linear flow control valve of supercharger - Google Patents
Linear flow control valve of supercharger Download PDFInfo
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- CN111927963B CN111927963B CN202011108602.0A CN202011108602A CN111927963B CN 111927963 B CN111927963 B CN 111927963B CN 202011108602 A CN202011108602 A CN 202011108602A CN 111927963 B CN111927963 B CN 111927963B
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- valve
- pressure relief
- valve cover
- control element
- relief opening
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2042—Special features or arrangements of the sealing
- F16K1/2057—Special features or arrangements of the sealing the sealing being arranged on the valve seat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2007—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member specially adapted operating means 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2014—Shaping of the valve member
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2042—Special features or arrangements of the sealing
- F16K1/2085—Movable sealing bodies
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/52—Means for additional adjustment of the rate of flow
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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
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
- F16K31/521—Mechanical actuating means with crank, eccentric, or cam comprising a pivoted disc or flap
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- 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
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a linear flow control valve of a supercharger, which comprises a valve body and a valve cover, wherein the valve body is provided with a valve seat, a valve cavity, an inlet and an outlet, the valve body is provided with a bypass part, a bypass passage communicated with the valve cavity is arranged on the bypass part, a pressure relief opening is arranged at the communication part of the bypass passage and the valve cavity, a flexible control element is arranged at the periphery of the pressure relief opening, the flexible control element is provided with a fixing part and a contact part, and when the pressure relief opening is closed, the bottom surface of the valve cover is tightly abutted against the deformation area of the flexible control element to form a contact closed area; when the pressure relief opening is opened, the bottom surface of the valve cover is gradually separated from the flexible control element, and the deformation area of the flexible control element and the contact closed area are gradually reduced, so that the rotation angle of the valve cover and the effective opening area of the pressure relief opening are linearly changed. The invention can linearly control the opening area of the pressure relief opening, thereby realizing the accurate control of the pressure relief quantity of the bypass channel.
Description
Technical Field
The invention relates to the technical field of control of turbocharged engines, in particular to a linear flow control valve of a supercharger.
Background
The bypass control valve functions as a connection between the pressure side and the intake side of the turbocharger booster pump. When the automobile is decelerated suddenly, a small circulation is established between the supercharging pressure end and the air inlet end through the valve, so that the pressure is relieved, and the supercharger is protected; meanwhile, the rotating speed of the supercharger can be stabilized, so that the supercharger can be rapidly switched to an acceleration state.
The existing bypass control valve of the turbocharger controls the opening angle of a Pulse Width Modulation (PWM) valve to realize the opening and closing of the bypass control valve through an ECU (vehicle-mounted computer) under different vehicle running working conditions by depending on the difference value of the supercharging pressure before and after the pressure. The bypass control valve of the supercharger in the current market is opened and closed by continuously contacting the pressure relief opening and keeping away from the pressure relief opening under the control of the stay bar through the valve cover, so that the function of controlling the supercharging pressure and the rotating speed is achieved.
When the valve gap uses the vaulting pole to rotate as the pin joint opening and keep away from the pressure release mouth, the whole opening of pressure release mouth will be opened, thereby the amount of losing air of uncontrollable, and unable accurate control amount of losing air, make bypass flow characteristic nonlinear, then need more points to come the fitting equation, it is long and many times consuming time and the equation majority are many units, can not obtain the precision solution fast, it is higher to ECU's storage and calculation requirement, need occupy more on-vehicle ECU's valuable resource, and the accuracy is uncontrollable, it is also long consuming time, bring many troubles for the booster to follow engine operating mode accurate adjustment, often need iteration many times just can adjust to the point of needs.
Disclosure of Invention
To prior art's not enough and defect, provide a linear flow control valve of booster, the opening area that can linear control pressure release mouth to can realize the pressure release volume of accurate control bypass passageway.
In order to achieve the above object, the present invention provides the following technical solutions.
A linear flow control valve of a supercharger comprises a valve body and a valve cover driven by a driving mechanism to realize rotary motion, and is characterized in that: the valve body is provided with a valve seat, a valve cavity, an inlet and an outlet which are communicated with the valve cavity, the valve body is provided with a bypass part, a bypass channel communicated with the valve cavity is arranged on the bypass part, a pressure relief opening is formed in the communication position of the bypass channel and the valve cavity, the bottom surface of the valve cover is a plane, a flexible control element is arranged at the periphery of the pressure relief opening, the flexible control element is provided with an annular fixing part and a contact part extending along the radial outer side of the fixing part, the fixing part is arranged on the valve seat, and the opening and closing of the pressure relief opening are realized by the cooperation of the rotation action of the valve cover and the contact part of the flexible control element;
when the pressure relief opening is closed, the bottom surface of the valve cover is matched with the flexible control element, and the contact part of the flexible control element is deformed, so that the bottom surface of the valve cover is tightly abutted against the deformed area of the contact part of the flexible control element, and an annular contact closed area is formed between the contact part and the bottom surface of the valve cover;
when the pressure relief opening is opened, the driving mechanism drives the valve cover to rotate, the bottom surface of the valve cover is gradually separated from the contact part of the flexible control element, the deformation area of the contact part of the flexible control element and the area of the contact closed area are gradually reduced, and therefore the rotation angle of the valve cover and the effective opening sectional area of the pressure relief opening are linearly changed.
The invention has the beneficial effects that: the flow control valve of the invention has the advantages that the flexible control element is arranged, so that the valve cover can be attached to the flexible control element, the bottom surface of the valve cover is tightly abutted against the deformation area of the flexible control element, the pressure relief opening is sealed, when the valve cover rotates, the bottom of the valve cover is gradually separated from the flexible control element, so that the pressure relief opening is controlled to be gradually opened, the flexible control element is easily deformed after being contacted because the flexible control element is made of flexible materials, so that the pressure relief opening can not be completely opened after the valve cover rotates for a certain angle, the flexible control element can be contacted with the bottom of the valve cover, the deformation area of the flexible control element and the contact area of the valve cover are gradually reduced, the pressure relief opening is gradually opened, and the rotation angle of the valve cover is linearly related to the opening angle of the pressure relief opening, thereby the turned angle through control valve gap can realize the pressure release volume of accurate control bypass passageway, and linear control can be fast through 2 points, finds the unary linear equation of control curve, and the ECU of being convenient for knows the bypass characteristic fast, and then knows the current operating mode point of booster, and when the engine operating mode changes, ECU also can be more accurate calculate the bypass valve and need transfer to next operating mode point.
As an improvement of the present invention, the top end of the fixing portion is connected to the contact portion through an arc transition, a deformation space is provided between the bottom surface of the contact portion and the outer edge of the pressure relief opening, when the pressure relief opening is closed, the bottom surface of the valve cover is attached to the contact portion and presses the contact portion to deform toward the deformation space, so that the contact portion generates an acting force contacting with the bottom surface of the valve cover; and in the process of opening the pressure relief opening, the height of the deformation space at the contact closed area is changed in real time. Through the improvement, the flexible control element is convenient to deform.
As an improvement of the invention, the outer edge of the pressure relief opening is provided with a ring groove matched with the fixing part, and the bottom of the fixing part extends into the ring groove for fixing. Through the improvement, the installation and the fixation of the flexible control element are facilitated.
As an improvement of the present invention, the driving mechanism includes a crank rotatably mounted on the valve body, one end of the crank extends out of the valve body, one end of the crank is located in the valve body and connected to the valve cover, and when the crank rotates, a rotation line of the valve cover is located outside a space where the valve cover is located, so as to drive the valve cover to rotate. Through the improvement, the valve cover is convenient to rotate.
As an improvement of the invention, the crank comprises a first connecting section and a second connecting section, the first connecting section is rotatably arranged on the valve body, one end of the first connecting section is positioned in the valve body and is connected with the valve cover through a transition piece, and the other end of the first connecting section is positioned outside the valve body and is connected with the second connecting section.
As an improvement of the invention, the transition piece and the central axis of the valve cover form an included angle.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention (with the valve cover not rotated).
Fig. 3 is an enlarged view of a portion of fig. 2 according to the present invention.
Fig. 4 is a schematic cross-sectional view of the present invention (with the valve cover rotated 3 deg.).
Fig. 5 is a partially enlarged view of the invention at B in fig. 4.
Fig. 6 is a schematic cross-sectional view of the present invention (with the valve cover rotated 5 deg.).
Fig. 7 is an enlarged view of a portion of the invention at C in fig. 6.
Fig. 8 is a schematic view of the crank and valve cover mating structure of the present invention.
Fig. 9 is a schematic view of the valve body and bypass portion of the present invention.
FIG. 10 is a schematic view of the flexible control element of the present invention.
FIG. 11 is a diagram illustrating the relationship between the opening angle of the valve cover and the effective opening area of the pressure relief opening in the present invention and the relationship between the opening angle of the valve cover and the effective opening area of the pressure relief opening in the prior art.
In the figure, 1, a valve body; 1.1, a valve cavity; 1.2, a pressure relief opening; 1.3, a ring groove; 1.4, valve seats; 2. a bypass portion; 3. a valve cover; 4. a flexible control element; 4.1, a fixed part; 4.2, a contact part; 5. a crank; 5.1, a first connecting section; 5.2, a second connecting section; 5.3, transition piece.
Detailed Description
The invention is further explained with reference to the drawings.
Referring to fig. 1 to 11, the linear flow control valve for a supercharger includes a valve body 1 and a valve cover 3 driven by a driving mechanism to rotate, the valve body 1 has a valve cavity 1.1, an inlet and an outlet communicated with the valve cavity 1.1, the valve body 1 has a bypass portion 2, the bypass portion 2 is provided with a bypass passage communicated with the valve cavity 1.1, a pressure relief port 1.2 is arranged at a communication position of the bypass passage and the valve cavity 1.1, the valve cover 3 is arranged in the valve cavity 1.1, and a bottom surface of the valve cover 3 is a plane.
The valve body 1 comprises a valve seat 1.4, a flexible control element 4 is arranged at the periphery of a pressure relief opening 1.2 of the valve seat 1.4, the flexible control element 4 is made of materials such as steel sheets and is easy to deform, the flexible control element 4 comprises an annular fixed part 4.1 and a contact part 4.2, the contact part 4.2 is arranged at the upper end of the periphery of the fixed part 4.1 and extends upwards along a radial direction, the top end of the fixed part 4.1 is connected with the contact part 4.2 through circular arc transition, the contact part 4.2 and the fixed part 4.1 are integrally formed, an annular groove 1.3 matched with the fixed part 4.1 is arranged at the outer edge of the pressure relief opening 1.2, the bottom part of the fixed part 4.1 extends into the annular groove 1.3 to be fixed, a deformation space is arranged between the outer edge of the contact part 4.2 and the outer edge of the pressure relief opening 1.2, the deformation space has a height d, and the bottom surface of the valve cover 3 is matched with the, because the contact site 4.2 upwards extends to one side, makes the bottom surface of valve gap 3 earlier with contact site 4.2 laminates and extrudes mutually contact site 4.2 takes place to the deformation space department and warp, and the height d in deformation space is 0 this moment, makes contact site 4.2 produce with the effort that the bottom surface of valve gap 3 contacted makes contact site 4.2 with valve gap 3 closely laminates, and because the existence in deformation space, is convenient for flexible control element 4 to take place deformation, through the turning motion of valve gap 3 with flexible control element 4 cooperates and realizes opening and closing of pressure relief opening 1.2.
When the pressure relief opening 1.2 is closed, the bottom surface of the valve cover 3 is matched with the contact part 4.2 of the flexible control element 4, and the flexible control element 4 is deformed, so that the bottom surface of the valve cover 3 is tightly abutted against the deformation area of the contact part 4.2 of the flexible control element 4, the pressure relief opening 1.2 is completely sealed, and an annular contact closed area is formed between the contact part 4.2 of the flexible control element 4 and the bottom surface of the valve cover 3.
When the pressure relief opening 1.2 is opened, the driving mechanism drives the valve cover 3 to rotate, the bottom surface of the valve cover 3 is gradually separated from the contact part 4.2 of the flexible control element 4, the area of the contact closed area is gradually reduced, so that the rotation angle of the valve cover 3 and the effective opening sectional area of the pressure relief opening 1.2 are linearly changed, in the process of opening the pressure relief opening 1.2, the height d of the deformation space at the contact closed area is changed in real time, namely, in the process of opening the pressure relief opening 1.2, the bottom surface part of the valve cover 3 is contacted with the contact part 4.2, the contact part 4.2 is extruded to deform towards the deformation space, the height d of the deformation space at the contact closed area is gradually reduced, the area of the contact closed area is gradually reduced along with the increase of the rotation angle of the valve cover 3, the area extruded by the contact part 4.2 is also gradually reduced, and the height d of the deformation space is gradually increased from 0, the height d of the deformation space at the contact closed area changes in real time along with the rotation angle of the valve cover 3.
When the valve cover 3 is rotated to a certain angle, part of the bottom surface of the valve cover 3 is out of contact with part of the flexible control element 4, forming an opening from which gas can be flushed. The effective opening cross-sectional area of the pressure relief opening 1.2 is the cross-sectional area enclosed between the bottom surface of the valve cover 3 and the non-contact closed area of the flexible control element 4.
The flow control valve of the invention has the advantages that the flexible control element 4 is arranged, so that the valve cover 3 can be jointed with the flexible control element 4, the bottom surface of the valve cover 3 is tightly abutted against the deformation area of the flexible control element 4, the pressure relief opening 1.2 is sealed, when the valve cover 3 rotates, the bottom of the valve cover 3 is gradually separated from the flexible control element 4, so that the pressure relief opening 1.2 is controlled to be opened gradually, the flexible control element 4 is made of flexible materials, the flexible control element 4 is easy to deform after being contacted, so that after the valve cover 3 rotates for a certain angle, the pressure relief opening 1.2 cannot be opened completely, the flexible control element 4 is contacted with the bottom of the valve cover 3, the deformation area of the flexible control element 4 and the contact area of the valve cover 3 are gradually reduced, the pressure relief opening 1.2 is opened gradually, and the rotation angle of the valve cover 3 is linearly related to the opening angle of the pressure relief opening 1.2, thereby the turned angle through control valve gap 3 can realize the pressure release volume of accurate control bypass passageway, and linear control can be fast through 2 points, finds control curve's a unary linear equation, and the ECU of being convenient for knows the bypass characteristic fast, and then knows the current operating mode point of booster, changes when the engine operating mode, and ECU also can be more accurate calculate the bypass valve and need transfer to next operating mode point.
As an improvement of the present invention, the driving mechanism includes a crank 5 rotatably mounted on the valve body 1, one end of the crank 5 extends out of the valve body 1, one end of the crank 5 is located in the valve body 1 and connected to the valve cover 3, the crank 5 rotates to drive the valve cover 3 to rotate, so that the crank 5 can drive the valve cover 3 to rotate when rotating outside the valve body 1, specifically, the crank 5 includes a first connecting section 5.1 and a second connecting section 5.2, the first connecting section 5.1 is rotatably mounted on the valve body 1, one end of the first connecting section 5.1 is located in a valve cavity 1.1 of the valve body 1 and connected to the valve cover 3 through a transition piece 5.3, the other end of the first connecting section 5.1 is located outside the valve cavity 1.1 and connected to the second connecting section 5.2, the first connecting section 5.1 is vertically connected to the second connecting section 5.2, when the second connecting section 5.2 rotates at a constant speed, drive first linkage segment 5.1 and rotate at the uniform velocity, drive through transition 5.3 valve gap 3 rotates at the uniform velocity to can realize opening gradually of pressure release mouth 1.2, the effective area of opening of pressure release mouth 1.2 is linear correlation with the rotational speed of second linkage segment 5.2, thereby be convenient for through the rotation of control second linkage segment 5.2, control the effective area of pressure release mouth 1.2, transition 5.3 with the contained angle has between the central axis of valve gap 3, make the axis of rotation of valve gap 3 is located outside valve gap 3 place space, makes valve gap 3 is at the pivoted in-process, and valve gap 3 can separate with flexible control element 4 gradually.
The foregoing is only a preferred embodiment of the invention and all equivalent changes or modifications in structure, characteristics and principles described in the present patent application are included in the scope of the present patent application.
Claims (6)
1. A linear flow control valve of a supercharger comprises a valve body and a valve cover driven by a driving mechanism to realize rotary motion, and is characterized in that: the valve body is provided with a valve seat, a valve cavity, an inlet and an outlet which are communicated with the valve cavity, the valve body is provided with a bypass part, a bypass channel communicated with the valve cavity is arranged on the bypass part, a pressure relief opening is formed in the communication position of the bypass channel and the valve cavity, the bottom surface of the valve cover is a plane, a flexible control element is arranged at the periphery of the pressure relief opening, the flexible control element is provided with an annular fixing part and a contact part extending along the radial outer side of the fixing part, the fixing part is arranged on the valve seat, and the opening and closing of the pressure relief opening are realized by the cooperation of the rotation action of the valve cover and the contact part of the flexible control element;
when the pressure relief opening is closed, the bottom surface of the valve cover is matched with the flexible control element, and the contact part of the flexible control element is deformed, so that the bottom surface of the valve cover is tightly abutted against the deformed area of the contact part of the flexible control element, and an annular contact closed area is formed between the contact part and the bottom surface of the valve cover;
when the pressure relief opening is opened, the driving mechanism drives the valve cover to rotate, the bottom surface of the valve cover is gradually separated from the contact part of the flexible control element, the deformation area of the contact part of the flexible control element and the area of the contact closed area are gradually reduced, and therefore the rotation angle of the valve cover and the effective opening sectional area of the pressure relief opening are linearly changed.
2. A linear flow control valve for a supercharger according to claim 1 wherein: the top end of the fixing part is connected with the contact part through arc transition, a deformation space is formed between the bottom surface of the contact part and the outer edge of the pressure relief opening, when the pressure relief opening is closed, the bottom surface of the valve cover is attached to the contact part and extrudes the contact part to deform towards the deformation space, so that the contact part generates an acting force which is in contact with the bottom surface of the valve cover; and in the process of opening the pressure relief opening, the height of the deformation space in the contact closed area is changed in real time.
3. A linear flow control valve for a supercharger according to claim 2 wherein: the outer fringe of pressure release mouth is provided with the annular with fixed portion adaptation, the bottom of fixed part stretches into in the annular is in order to fix.
4. A linear flow control valve for a supercharger according to claim 1 wherein: the driving mechanism comprises a crank which is rotatably arranged on the valve body, one end of the crank extends out of the valve body, one end of the crank is positioned in the valve body and connected with the valve cover, and the crank drives the valve cover to rotate when rotating.
5. A linear flow control valve for a supercharger according to claim 4 wherein: the crank includes first linkage segment, second linkage segment, first linkage segment rotates and sets up on the valve body, the one end of first linkage segment is located the valve body to through transition piece and valve gap connection, the other end of first linkage segment is located outside the valve body, and is connected with the second linkage segment.
6. A linear flow control valve for a supercharger according to claim 5 wherein: an included angle is formed between the transition piece and the central axis of the valve cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108602.0A CN111927963B (en) | 2020-10-16 | 2020-10-16 | Linear flow control valve of supercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108602.0A CN111927963B (en) | 2020-10-16 | 2020-10-16 | Linear flow control valve of supercharger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111927963A CN111927963A (en) | 2020-11-13 |
| CN111927963B true CN111927963B (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011108602.0A Active CN111927963B (en) | 2020-10-16 | 2020-10-16 | Linear flow control valve of supercharger |
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| Country | Link |
|---|---|
| CN (1) | CN111927963B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009050182A1 (en) * | 2009-10-21 | 2011-05-05 | Bayerische Motoren Werke Aktiengesellschaft | Exhaust gas turbocharger housing comprises closed flow channel and swiveling flap which is provided with closure plate that has one side of sealing surface which lies in closed condition at another sealing surface |
| CN102472159A (en) * | 2010-03-01 | 2012-05-23 | 三菱重工业株式会社 | Waste gate valve device |
| WO2012146510A2 (en) * | 2011-04-26 | 2012-11-01 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Supercharging device |
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| CN109642492A (en) * | 2016-08-10 | 2019-04-16 | 世倍特集团有限责任公司 | The by-passing valve with lid skirt for exhaust gas turbocharger and the exhaust gas turbocharger with this by-passing valve |
| CN110513186A (en) * | 2018-05-22 | 2019-11-29 | 博格华纳公司 | Valve module for supercharging device |
| CN110857658A (en) * | 2018-08-25 | 2020-03-03 | 盖瑞特交通一公司 | Turbine wastegate |
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2020
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| DE102009050182A1 (en) * | 2009-10-21 | 2011-05-05 | Bayerische Motoren Werke Aktiengesellschaft | Exhaust gas turbocharger housing comprises closed flow channel and swiveling flap which is provided with closure plate that has one side of sealing surface which lies in closed condition at another sealing surface |
| CN102472159A (en) * | 2010-03-01 | 2012-05-23 | 三菱重工业株式会社 | Waste gate valve device |
| WO2012146510A2 (en) * | 2011-04-26 | 2012-11-01 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Supercharging device |
| CN107667211A (en) * | 2015-05-26 | 2018-02-06 | 爱尔铃克铃尔股份公司 | Turbocharger |
| CN107448279A (en) * | 2016-05-30 | 2017-12-08 | 霍尼韦尔国际公司 | Turbocharger wastegate poppet with flexible sheet metal piece containment member |
| CN109642492A (en) * | 2016-08-10 | 2019-04-16 | 世倍特集团有限责任公司 | The by-passing valve with lid skirt for exhaust gas turbocharger and the exhaust gas turbocharger with this by-passing valve |
| CN110513186A (en) * | 2018-05-22 | 2019-11-29 | 博格华纳公司 | Valve module for supercharging device |
| CN110857658A (en) * | 2018-08-25 | 2020-03-03 | 盖瑞特交通一公司 | Turbine wastegate |
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|---|---|
| CN111927963A (en) | 2020-11-13 |
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Address after: No. 433, xingciqi Road, Hangzhou Bay New District, Ningbo City, Zhejiang Province Patentee after: Ningbo Fengwo booster Technology Co.,Ltd. Address before: No. 433, xingciqi Road, Hangzhou Bay New District, Ningbo City, Zhejiang Province Patentee before: VOFON TURBO SYSTEMS (NINGBO) Co.,Ltd. |
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