KR20110078618A - Vane pump double ellipse type - Google Patents
Vane pump double ellipse type Download PDFInfo
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- KR20110078618A KR20110078618A KR1020090135474A KR20090135474A KR20110078618A KR 20110078618 A KR20110078618 A KR 20110078618A KR 1020090135474 A KR1020090135474 A KR 1020090135474A KR 20090135474 A KR20090135474 A KR 20090135474A KR 20110078618 A KR20110078618 A KR 20110078618A
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- vane
- rotor
- vanes
- rotation
- pump housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
- F04C18/3442—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the inlet and outlet opening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/48—Rotary-piston pumps with non-parallel axes of movement of co-operating members
- F04C18/54—Rotary-piston pumps with non-parallel axes of movement of co-operating members the axes being arranged otherwise than at an angle of 90 degrees
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
- F04C2/3442—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
Description
The present invention is rotatably installed in the operating chamber of the pump housing formed in the inner side of the pump housing eccentrically, coupled to the vane slot radially formed in the rotor by the centrifugal force during the circular motion of the rotor The vane (vane) is slidingly moved in the radial direction to a pair of elliptical vane pump so that the tip is completely in close contact with the inner surface of the pump housing.
More specifically, in accordance with the circular motion of the rotor rotatably installed in the operating chamber of the pump housing, the fluid from the outside in the process of expanding the volume between the vanes and the vanes coupled to the vane groove formed in the + direction of the rotor The present invention relates to a double elliptical vane pump which is introduced into the operating chamber through an inlet and discharges pressurized fluid from the operating chamber through the discharge port during the volume reduction process between the vanes and the vanes.
The vane pump of the prior art shown in Figure 1,
A
A
A
It includes an elastic member 10 (compression coil spring is used) for elastically biasing the tip portion of the
Therefore, when the
The vane pump of the prior art has a relatively wide width (w) of the
In this way, when the width of the
Embodiment of the present invention, the vane coupled to the vane groove of the rotor is stable in the radial direction by the centrifugal force during the circular motion of the rotor rotatably installed in the state that the inner side is eccentric to the operating chamber of the pump housing formed in an elliptical shape It is related to a double elliptical vane pump that can be moved by sliding in the furnace, and the vane tip is in close contact with the inner surface of the pump housing so as to be in sliding contact.
Embodiments of the present invention relate to a bi-oval vane pump in which separate parts are not required for adjusting the lift amount and the fall amount of the vane sliding radially along the vane groove during the circular motion of the rotor.
Twin elliptic vane pump according to an embodiment of the present invention,
A pump housing having an intake port through which fluid is sucked from the outside and a discharge port through which pressurized fluid is discharged, and an operating chamber having an inner surface formed in an elliptical shape,
A rotor rotatably installed in a forward or reverse direction in an eccentric state of the pump housing, and having a vane groove formed in a + shape direction;
A vane coupled to the vane groove so as to be slidably moved, the vane being in sliding contact with the inner end of the operating chamber by the centrifugal force when the rotor is rotated,
A stopper to which vanes are coupled to each other is formed radially, and fixed to left and right sides of the rotor to prevent vanes from moving in a direction perpendicular to the sliding movement direction,
It is provided on the right and left sides of the operating chamber of the pump housing, and has an end plate rotatably supporting the rotor,
When the volume of the vane and the vane in the operating chamber is enlarged by the rotation of the rotor, the fluid is sucked into the operating chamber through the suction port, and when the volume between the vane and the vane in the operating chamber is reduced in size, the fluid is discharged from the operating chamber. Eject through.
Twin elliptic vane pump according to another embodiment of the present invention,
A pump housing having a suction port through which fluid is sucked from the outside and a discharge port through which pressurized fluid is discharged, an inner surface of which is formed in an elliptical shape, and having first and second operating chambers separated by partition walls;
A first rotor rotatably installed in a forward or reverse direction in an eccentric state in a lower side of the first operating chamber of the pump housing, and having a vane groove formed in a + shape direction;
A second rotor installed rotatably in a forward or reverse direction in an eccentric state on an upper side of the second operating chamber of the pump housing, and having a vane groove formed in a + -shaped direction, interlocked with the first rotor, and rotating in the opposite direction;
A first vane slidably coupled to the vane groove of the first rotor, the first vane being in sliding contact with the inner surface of the first operating chamber by a centrifugal force when the first rotor is rotated,
Slidingly coupled to the vane groove of the second rotor, the front end is in close contact with the inner surface of the second operating chamber by the centrifugal force of the second rotor to be in sliding contact, and to rotate alternately with respect to the rotation angle of the first vane. The second vane deployed,
A first stopper having radially formed vane grooves to which the first vanes are coupled, respectively, fixed to left and right sides of the first rotor to prevent the first vanes from being moved in a direction perpendicular to the sliding movement direction;
A second stopper having radial vanes to which the second vanes are coupled, respectively, and fixed to the left and right sides of the second rotor to prevent the second vanes from moving in a direction perpendicular to the sliding movement direction;
It is provided on the right and left sides of the operating chamber of the pump housing, and provided with end plates rotatably supporting the first and second rotors,
The first vane sliding along the vane groove according to the rotation of the first rotor pressurizes the fluid suctioned from the inlet to the first operating chamber to the discharge port, and the vane groove is driven by the second rotor interlocked with the first rotor. The fluid is sucked from the suction port to the second operation chamber by the second vane which is slid along the pressure, and is transferred to the discharge port side.
Twin elliptic vane pump according to another embodiment of the present invention,
A pump housing having a suction port through which fluid is sucked from the outside and a discharge port through which pressurized fluid is discharged, an inner surface of which is formed in an elliptical shape, and having first and second operating chambers separated by partition walls;
A first rotor rotatably installed in a forward or reverse direction in an eccentric state in a lower side of the first operating chamber of the pump housing, and having a vane groove formed in a straight shape;
A second rotor rotatably installed in the forward or reverse direction in an eccentric state on the upper side of the second operating chamber of the pump housing, and having a vane groove formed in a straight shape, and interlocked with the first rotor and rotated in the opposite direction;
A first vane slidably coupled to the vane groove of the first rotor, the first vane being in sliding contact with the inner surface of the first operating chamber by a centrifugal force when the first rotor is rotated,
Slidingly coupled to the vane groove of the second rotor, the front end is in close contact with the inner surface of the second operating chamber by the centrifugal force of the second rotor to be in sliding contact, and to rotate at a right angle to the rotation angle of the first vane The second vane deployed,
A first stopper in which a vane groove to which the first vanes are coupled is formed in a straight shape and fixed to the left and right sides of the first rotor to prevent the first vanes from moving in a direction perpendicular to the sliding movement direction,
A second stopper in which a vane groove to which the second vanes are coupled is formed in a straight shape and fixed to the left and right sides of the second rotor, respectively, to prevent the second vane from moving in a direction perpendicular to the sliding movement direction;
It is provided on the right and left sides of the operating chamber of the pump housing, and provided with end plates rotatably supporting the first and second rotors,
The first vane sliding along the vane groove according to the rotation of the first rotor pressurizes the fluid suctioned from the inlet to the first operating chamber to the discharge port, and the vane groove is driven by the second rotor interlocked with the first rotor. The fluid is sucked from the suction port to the second operation chamber by the second vane which is slid along the pressure, and is transferred to the discharge port side.
Twin elliptic vane pump according to another embodiment of the present invention,
A pump housing having an intake port through which fluid is sucked from the outside and a discharge port through which pressurized fluid is discharged, and an operating chamber having an inner surface formed in an elliptical shape,
A rotor rotatably installed in a forward or reverse direction in an eccentric state of the pump housing, and having a vane groove formed in a straight direction;
A vane coupled to the vane groove so as to be slidably moved, the vane being in sliding contact with the inner end of the operating chamber by the centrifugal force when the rotor is rotated,
A stopper to which the vanes are coupled is radially formed and fixed to either one of the left and right sides of the rotor to prevent the vanes from moving in a direction perpendicular to the sliding movement direction;
It is provided on the right and left sides of the operating chamber of the pump housing, and has an end plate rotatably supporting the rotor,
When the volume of the vane and the vane in the operating chamber is enlarged by the rotation of the rotor, the fluid is sucked into the operating chamber through the suction port, and when the volume between the vane and the vane in the operating chamber is reduced in size, the fluid is discharged from the operating chamber. Eject through.
Twin elliptic vane pump according to another embodiment of the present invention,
A pump housing having a suction port through which fluid is sucked from the outside and a discharge port through which pressurized fluid is discharged, an inner surface of which is formed in an elliptical shape, and having first and second operating chambers formed to have an outer surface of the inner surface;
A first rotor rotatably installed in a forward or reverse direction in an eccentric state in a lower side of the first operating chamber of the pump housing, and having a vane groove formed in a + shape direction;
A second rotor rotatably installed in the positive or reverse direction in an eccentric state on the upper side of the second operating chamber of the pump housing, and having a vane groove formed in a + -shaped direction, interlocked with the first rotor, and rotating in the opposite direction;
A first vane slidably coupled to the vane groove of the first rotor, the first vane being in sliding contact with the inner surface of the first operating chamber by a centrifugal force when the first rotor is rotated,
Slidingly coupled to the vane groove of the second rotor, the front end is in close contact with the inner surface of the second operating chamber by the centrifugal force of the second rotor to be in sliding contact, and to rotate alternately with respect to the rotation angle of the first vane. The second vane deployed,
A first stopper having radially formed vane grooves to which the first vanes are coupled, respectively, fixed to left and right sides of the first rotor to prevent the first vanes from being moved in a direction perpendicular to the sliding movement direction;
A second stopper having radial vanes to which the second vanes are coupled, respectively, and fixed to the left and right sides of the second rotor to prevent the second vanes from moving in a direction perpendicular to the sliding movement direction;
It is provided on the right and left sides of the operating chamber of the pump housing, and provided with end plates rotatably supporting the first and second rotors,
The first vane sliding along the vane groove according to the rotation of the first rotor pressurizes the fluid suctioned from the inlet to the first operating chamber to the discharge port, and the vane groove is driven by the second rotor interlocked with the first rotor. The fluid is sucked from the suction port to the second operation chamber by the second vane which is slid along the pressure, and is transferred to the discharge port side.
Twin elliptic vane pump according to another embodiment of the present invention,
A pump housing having a suction port through which fluid is sucked from the outside and a discharge port through which pressurized fluid is discharged, an inner surface of which is formed in an elliptical shape, and having first and second operating chambers formed to have an outer surface of the inner surface;
A first rotor rotatably installed in the forward or reverse direction in an eccentric state in a lower side of the first operating chamber of the pump housing, and having a vane groove formed in a straight shape;
A second rotor rotatably installed in the forward or reverse direction in an eccentric state on the upper side of the second operating chamber of the pump housing, and having a vane groove formed in a straight shape, and interlocked with the first rotor and rotated in the opposite direction;
A first vane slidably coupled to the vane groove of the first rotor, the first vane being in sliding contact with the inner surface of the first operating chamber by a centrifugal force when the first rotor is rotated,
Slidingly coupled to the vane groove of the second rotor, the front end is in close contact with the inner surface of the second operating chamber by the centrifugal force of the second rotor to be in sliding contact, and to rotate at a right angle to the rotation angle of the first vane The second vane deployed,
A stopper in which a vane groove to which the first vanes are coupled is formed in a straight direction, and fixed to either one of left and right sides of the first rotor to prevent the first vanes from moving in a direction perpendicular to the sliding movement direction;
It is provided on the right and left sides of the operating chamber of the pump housing, and provided with end plates rotatably supporting the first and second rotors,
The first vane sliding along the vane groove according to the rotation of the first rotor pressurizes the fluid suctioned from the inlet to the first operating chamber to the discharge port, and the vane groove is driven by the second rotor interlocked with the first rotor. The fluid is sucked from the suction port to the second operation chamber by the second vane which is slid along the pressure, and is transferred to the discharge port side.
According to a preferred embodiment, the cutting surface is formed at an inclination angle with respect to the rotation direction of the rotor at the tip of the vane so that the fluid sucked into the operating chamber through the suction port according to the forward rotation of the rotor can be cut and transported by the vane. With cutout to form,
It includes a curved portion formed in the direction of rotation of the rotor to the front end of the vane so that the fluid in the operating chamber can be pushed by the vane in accordance with the reverse rotation of the rotor.
The vanes mentioned above,
The tip of the pump housing in accordance with the rotation of the rotor is in close contact with the wing is formed symmetrically to transport the fluid, and integrally formed with the wing and the connecting portion for connecting the wing.
The cutout of the vane mentioned above,
A first cutout that forms a cutting surface in a direction perpendicular to the rotational direction of the rotor at the tip of the vane, and a second cutout that is formed to be inclined in the rotational direction of the rotor at the end of the first cutout.
A notch part which forms an inclined angle with respect to the rotation direction of the first and second rotors to form the cutting surface at the front end portions of the first and second vanes, respectively,
And a curved portion formed in the rotational direction of the first and second rotors, respectively, at the distal end of the first and second vanes.
The first and second vanes described above,
It is provided with a wing portion symmetrically formed to be in close contact with the inner surface of the pump housing according to the rotation of the first and second rotor to transfer the fluid, and a connecting portion formed integrally with the wing portion to connect the wing portion.
The cutouts of the first and second vanes described above are
A first cutout forming a cutting surface at a right angle with respect to the rotational direction of the first and second rotors at the tip of the first and second vanes, respectively, and a rotational direction of the first and second rotors at the end of the first cutout. The second cutouts are formed to be inclined respectively.
The inner surface of the operation chamber of the pump housing on the side where the above-mentioned rotor is inscribed is formed to form a circle by symmetry with respect to the center of rotation of the rotor with respect to the left and right.
The inner side of the operating chamber of the pump housing, which extends to the epicenter and faces the epicenter, forms an ellipse by forming an ellipse symmetrically with respect to the center of rotation of the rotor.
The above-described distance value passing through the center of rotation of the rotor and connecting both ends of the circular part, and distance value passing through the center of rotation of the rotor and connecting the top dead center of the circle and the bottom dead center of the ellipse are formed to have the same size.
It is formed in each of the vane groove of the rotor described above, and includes a locking step for limiting the amount of movement of the vane when the vane is moved along the vane groove due to the rotation of the rotor.
The twin elliptic vane pump according to the embodiment of the present invention configured as described above has the following advantages.
In the circular motion of the rotor eccentrically installed in the operating chamber of the pump housing, the inner side of which is formed in an elliptical shape, the vane coupled to the vane groove of the rotor is slidably moved radially in a stable state by centrifugal force, and the outer end of the vane is pump housing. It is in close contact with the inner surface of the sliding contact so as to improve the pump efficiency can improve the reliability.
In addition, during the circular motion of the rotor, a separate part for adjusting the rising and falling amount of the vane sliding radially along the vane groove is unnecessary, so that the cost and assembly cost can be reduced by reducing the number of parts.
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, which are intended to describe in detail enough to enable those skilled in the art to easily practice the invention, and therefore It does not mean that the technical spirit and scope of the present invention is limited.
2 to 5 (a, b) is a bi-oval vane pump according to an embodiment (first embodiment) of the present invention,
A
A
The
When the volume between the
At this time, the rotor at the distal end of the
A curved portion formed in the rotational direction of the
The
According to the rotation of the
The
The
The inner surface of the
The inner surface of the operating
In the
The distance (c) passing through the center of rotation (O) of the
In the drawing,
Hereinafter, the operation of the bi-elliptic vane pump according to an embodiment (first embodiment) of the present invention will be described in detail with reference to the accompanying drawings.
As shown in FIGS. 4 and 5 (a, b), when power is supplied from the outside and the drive motor is rotated, the shafts of the
That is, the inner surface of the operating
The distance (c) passing through the center of rotation (O) of the
At this time, the rounded
Therefore, the amount of movement of the
The operating chamber in which the tip portions of the
For this reason, as shown in FIG. 5 (a), when the
On the other hand, when the
At the same time, the other front end portion (in the figure, the lower end portion) of the
As shown in FIG. 5 (b), due to the centrifugal force caused by the rotation of the
On the contrary, the tip of the
At this time, as the
On the other hand, although not shown in the figure, when the
As described above, since the
At this time, a portion of the inner surface of the
The bi-elliptic vane pump according to another embodiment (second embodiment) of the present invention shown in Figure 7 (a, b),
A
A
A
A
When the volume between the
At this time, the
In the twin elliptic vane pump according to another embodiment (third embodiment) of the present invention shown in FIG. 8,
The first and second operating chambers having an
A
It is installed on the upper side of the
Slidingly coupled to the
Slidingly coupled to the
The
The
It is equipped with end plates (not shown) mounted on the right and left sides of the
The
In this case, the
The bi-elliptic vane pump according to another embodiment (fourth embodiment) of the present invention shown in Figure 9,
The first and second operating chambers having a
A
It is installed on the upper side of the
Slidingly coupled to the
Slidingly coupled to the
The
It is equipped with end plates (not shown) mounted on the right and left sides of the
As the
At this time, the
In the twin elliptic vane pump according to another embodiment (fifth embodiment) of the present invention shown in FIG.
The first and
A
It is installed rotatably in the forward or reverse direction in an eccentric state on the upper side of the
Slidingly coupled to the
Slidingly coupled to the
The
The
It is equipped with end plates (not shown) mounted on the right and left sides of the
As the
In this case, the inner and outer surfaces of the
11 is a double elliptic vane pump according to another embodiment (sixth embodiment) of the present invention,
The first and
A
It is installed rotatably in the forward or reverse direction in an eccentric state on the upper side of the
Slidingly coupled to the
Slidingly coupled to the
The
It is equipped with end plates (not shown) mounted on the right and left sides of the
The
At this time, the
1 is a schematic view of a vane pump according to the prior art,
Figure 2 is an exploded perspective view of a twin elliptic vane pump according to an embodiment of the present invention,
3 is a perspective view of a twin elliptic vane pump according to an embodiment of the present invention;
4 is a view for explaining that the inner surface of the pump housing is formed in an elliptical, in the elliptic vane pump according to an embodiment of the present invention,
5 (a, b) is a view for explaining the operation of the vanes in the bi-oval vane pump according to an embodiment of the present invention,
6 is a state diagram used in the double elliptic vane pump according to an embodiment of the present invention,
Figure 7 (a, b) is a schematic diagram of a twin elliptic vane pump according to another embodiment of the present invention,
8 is a schematic view of a twin elliptic vane pump according to another embodiment of the present invention;
9 is a schematic diagram of a twin elliptic vane pump according to another embodiment of the present invention;
10 is a schematic diagram of a twin elliptic vane pump according to another embodiment of the present invention;
11 is a schematic diagram of a twin elliptic vane pump according to another embodiment of the present invention;
FIG. 12 is a perspective view of the twin elliptic vane pump illustrated in FIG. 7.
* Explanation of symbols used in the main part of the drawing
11; Inlet
12; Outlet
13; Operating room
14; Pump housing
15; Vane home
16; Rotor
17,17a; Vane
18,19; Stopper
20; Cutout
21; Curved part
22; Wing
23; Connection
24; Epicenter
25; Elliptic part
26; Driving part
27,28; End plate
29; septum
30; 1st operating room
31; 2nd operation room
32; First rotor
33; 2nd rotor
34; First Bain
35; 2nd Bain
36; First stopper
37; 2nd stopper
Claims (42)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090135474A KR20110078618A (en) | 2009-12-31 | 2009-12-31 | Vane pump double ellipse type |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090135474A KR20110078618A (en) | 2009-12-31 | 2009-12-31 | Vane pump double ellipse type |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20110078618A true KR20110078618A (en) | 2011-07-07 |
Family
ID=44918070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020090135474A KR20110078618A (en) | 2009-12-31 | 2009-12-31 | Vane pump double ellipse type |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20110078618A (en) |
-
2009
- 2009-12-31 KR KR1020090135474A patent/KR20110078618A/en not_active Application Discontinuation
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