WO2009152692A1 - Pompe à palettes à basse vitesse et haute pression pour vélo hydraulique - Google Patents

Pompe à palettes à basse vitesse et haute pression pour vélo hydraulique Download PDF

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Publication number
WO2009152692A1
WO2009152692A1 PCT/CN2009/000662 CN2009000662W WO2009152692A1 WO 2009152692 A1 WO2009152692 A1 WO 2009152692A1 CN 2009000662 W CN2009000662 W CN 2009000662W WO 2009152692 A1 WO2009152692 A1 WO 2009152692A1
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WO
WIPO (PCT)
Prior art keywords
pressure
blade
oil
rotor
stator
Prior art date
Application number
PCT/CN2009/000662
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English (en)
Chinese (zh)
Inventor
邵锐勋
李焕萍
Original Assignee
Shao Ruixun
Li Huanping
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shao Ruixun, Li Huanping filed Critical Shao Ruixun
Publication of WO2009152692A1 publication Critical patent/WO2009152692A1/fr

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Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08—Rotary pistons
    • F01C21/0809—Construction of vanes or vane holders
    • F01C21/0818—Vane tracking; control therefor
    • F01C21/0827—Vane tracking; control therefor by mechanical means
    • F01C21/0845—Vane tracking; control therefor by mechanical means comprising elastic means, e.g. springs
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
    • F04C14/223—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam

Definitions

  • the present invention relates to a vane pump, and more particularly to a low speed high pressure vane pump for a hydraulic bicycle.
  • the existing blade oil pump, its power is considered industrial applications, such as machine tools, hydraulic presses, excavators, automobiles, etc., the power is generally from 1 kW to tens of kilowatts, the speed is 1000 ⁇ 1500 rev / min.
  • the parts, materials, structure, weight, installation, appearance, etc. are all oriented from the industrial machine as a whole, and are not suitable for civilian products, as shown in Figure 1 and Figure 2.
  • 1' is the end cover
  • 2' is the main shaft
  • 3' is the skeleton oil seal
  • 4 is the right casing
  • 5' is the blade
  • 6' is the middle casing
  • 1 is the left casing
  • 12' is the bearing
  • 14', 14-1', 14-2' are "0" type seals
  • 15', 15-1' are screws
  • 16' is a pressure limiting spring
  • 17' is a spring seat
  • 18' is an adjustment screw
  • 28' for the left distribution plate
  • 29-1', 29-2', 29-3', 29-4' are four half-moon windows on the right distribution plate 29, 30' is the pressure oil flow path, and 3' is the oil suction flow path.
  • the vane pump is compared with other types of positive displacement oil pumps of the same pressure and volume constant, especially the pressure servo variable oil pump; it has the advantages of simple structure, small profile size, light weight, large volume constant, compact structure and low cost.
  • the pressure servo variable oil pump has the advantages of simple structure, small profile size, light weight, large volume constant, compact structure and low cost.
  • the blade oil pump speed must be in the range of 500_1500R/min, and the metal blades have sufficient centrifugal force to press on the inner surface of the stator to form a good closed volume. Further, because the structure of the rotor and the stator is eccentric, a volume change of the closed cavity of the blade is formed to generate a vacuum degree of oil absorption, so that the oil pressure is increased.
  • a normal person's heart rate is about 60_100 times / min. If the pedal speed exceeds the long-term circadian rhythm, it is easy to feel fatigue, even dislocation, causing traffic accidents. For the pedal speed of 15_120R/min, the blade oil pump of the speed increasing mechanism with complicated structure, low efficiency and high cost is not available.
  • the bicycle is equipped with a transmission to accommodate roads and ramps of different road surfaces and different physical properties.
  • the speed-changing car is very popular, and even the children's car will be equipped with a transmission.
  • the car is three-speed and five-speed. In recent years, it has developed to 16-speed and 20-speed, and even developed a continuously variable transmission.
  • the blade oil pump should be aware of road changes and automatically configure. ⁇ And low pressure and large flow, ⁇ and high pressure and small flow.
  • the pump produces the maximum average flow to reach the maximum average speed, and is adapted to the rider's power and heart rate requirements.
  • the constant power one-way variable vane pump (YBP) can not directly be applied to hydraulic bicycles at low speed performance, power matching and rhythm-adjusting speed, and there are serious problems in high-pressure performance.
  • a large feature of the vane pump is that it has more sliding friction surfaces (blade_rotor, vane_stator, vane_distributor disc, rotor_distributor disc), in order to ensure high low-speed high-pressure volumetric efficiency, it is necessary to maintain these The gap between the surfaces is small.
  • the axial length of the blade and the axial length of the rotor are 0_0.02 mm
  • the gap between the rotor width and the stator width is 0.01_0.02 mm
  • the stator width The gap between the end face and the housing oil distribution plate is 0.01_0.02mm.
  • Stator Bearing steel GCrl5, water quenching, hardness RC63, end face parallelism 0.007mm, inner circle cylindrical surface and end face perpendicularity 0.015mm, inner cylindrical surface finish 0.8:
  • Rotor 40Cr, hardness RC48, end face parallelism 0.007mm, end surface finish 0.4, blade groove parallelism 0.01mm, blade groove finish 0.2;
  • Blade High-speed steel W18Cr4V, hardness RC63, the gap between the blade and the groove is 0.01_0.02mm, the verticality of the top and side of the blade is 0.01mm, the parallelism of the two sides of the blade is 0.01mm, and the parallelism of the two sides of the blade is 0.01mm. Finishness 0.2;
  • Distribution plate beryllium copper cast iron (or bronze), contact with the rotor end face finish 0.8, parallelism 0.1 mm;
  • the machining of the vane groove and the vane on the rotor is difficult, and special equipment and a thin grinding wheel are required for grinding.
  • the finished product is measured, grouped, and checked. Ensure that the blade thickness is 0.02 mm smaller than the rotor groove width, the width is 0.01 mm smaller than the rotor width, the parallelism of the two planes and the two sides is less than 0.01 mm, and the tip outer edge is less than 0.005 mm perpendicular to the side.
  • the processing steps of the blade are: 1 annealing of the blade material; 2 machining length, width, thickness and grinding allowance
  • the slots of the rotor can also be fine-drawn on the zipper. Each time a groove wall is machined, it is only necessary to grind gently with a sanding wheel after quenching.
  • the object of the present invention is to provide a reasonable structure, light weight, small size, high efficiency, low cost, Low-speed high-pressure blade oil pump for hydraulic bicycles, which is labor-saving and fast, suitable for all kinds of vehicle diameters and has the function of pressure servo variable.
  • stator including end cap, main shaft, skeleton oil seal, right casing, vane, middle casing, left casing, bearing, "0" seal, screw, pressure limiting spring, spring seat, adjusting nut, side end cap, rotor
  • the stator, the slider, the cover plate, the flow adjusting screw, the sealing cymbal, the lock nut and the needle roller are characterized in that: a rotor groove is arranged in the rotor, a leaf spring and a blade bracket are arranged in the blade groove, and the blade bracket is a leaf spring Positioning, the blade is hidden in the blade groove of the rotor, one end of which is pressed against the leaf spring, and the other end is close to the inner surface of the stator.
  • the object of the present invention can also be achieved by the following measures:
  • the blade is formed by injection molding of engineering plastic, and the V-shaped groove is formed on both sides of the upper oil pressing surface of the blade, and the length of the groove is equal to twice the maximum eccentricity, and the bottom of the blade is provided.
  • the two leaf springs are respectively hidden in the two spring holes, and the upper part of the blade is provided with one
  • the inclination angle of 30 degrees the left casing and the right casing are made of aluminum alloy material, and a distribution window is formed thereon, and the left casing and the right casing are integrated with the distribution window, and the left casing is
  • the distribution window is composed of a moon-shaped window 11-5 and an annular window 11-4.
  • a triangular groove 11-8 is opened on one side of the pressure oil window 11-5, and a pressure oil flow path 11-1 is further provided on the left casing.
  • the distribution window on the right casing is composed of a half-moon window and an annular distribution window.
  • the right casing is also provided with an oil suction passage, the blade is in the oil absorption area, and the half-moon suction window passes through the hole and the oil suction passage. Interconnected, while the blades are in the oil pressure zone, the oil pressure window passes The hole communicates with the pressure oil passage, the annular window communicates with the pressure oil passage through the hole, and the lower part of the blade communicates with the pressure oil passage regardless of the blade in the oil absorption zone or the pressure oil zone, and the rotor is made of an aluminum alloy material, and the rotor is made of aluminum alloy material.
  • the blade slots are arranged with a zero inclination, and the bottom of the blade groove is designed to have a semicircular shape with a diameter equal to the thickness of the blade.
  • the main shaft has a double-outlet structure and is connected by a spline and a rotor.
  • the main shaft is fixed to the left and right casings through bearings, cassettes and skeletons.
  • the stator is made of aluminum alloy and supported by a slider, a needle roller and a cover plate, and the cover plate is coupled to the middle casing by a screw, and the pressure limiting spring, the spring seat, the adjusting nut and the side end cover are mounted on the middle casing.
  • the pressure-limiting spring uses a butterfly spring.
  • the axial width dimension and tolerance of the blade, rotor and stator are exactly the same, and equal to the distance between the left and right housing oil distribution windows, left shell, right shell and middle shell
  • the body is tightly coupled by screws, leaving only 0.01_0.015mm gap between the stator, rotor, vane and the distribution window.
  • FIG. 1 and FIG. 2 are schematic diagrams showing the internal structure of the prior art
  • Figure 3 is a front cross-sectional view showing the structure of the present invention.
  • Figure 4 is a side cross-sectional view showing the structure of the present invention.
  • FIG. 5 is a schematic structural view of an oil distribution window on a right casing of the present invention.
  • FIG. 6 is a schematic structural view of an oil distribution window on a left casing of the present invention.
  • Figure 7 is a front elevational view (partial section) of the structure of the blade of the present invention.
  • Figure 8 is a side view showing the structure of the blade of the present invention.
  • Figure 9 is a schematic view of the A-direction structure of Figure 7;
  • FIG. 10 and Fig. 11 are diagrams showing the force principle of the variable of the present invention.
  • the present invention includes an end cover 1, a main shaft 2, a skeleton seal 3, a right casing 4, a blade 5, a middle casing 6, a positioning guide bush 7, a positioning spring 8, and a blade bracket 9,
  • Leaf spring 10 left housing 11, bearing 12, cassette 13, "0" type sealing jaw 14, 14-1, screw 15, pressure limiting spring 16, spring seat 17, adjusting nut 18, lock nut 19, rotor 20.
  • the invention is a "three-piece" type structure, which is composed of a left casing 11, a right casing 4 and a middle casing 6, respectively.
  • the rotor 20, the stator 21, the pressure limiting spring 16, the adjusting nut 18, the lock nut 19, the regulating flow screw 24, the sliding speed 22, the needle roller 27, the positioning pin 26 are all in the middle casing 6, and the oil suction distribution window and the pressure oil
  • the distribution window bearing 12, the cassette 13, the skeleton seal 3, and the end cover 1 are respectively housed in the right housing 4 and the left housing 11, and the "three pieces" are coupled by screws 15.
  • the left casing 11 and the right casing 4 of the oil pump process a distribution window, and the casing is integrated with the distribution window to enhance the rigidity of the casing and simplify the process.
  • the flow distribution window on the left casing 11 is composed of a half moon window 11-5 and an annular window 11-4.
  • the flow distribution window on the right casing 4 is composed of a half moon window 4-3 and a circular window 4-4.
  • the blade is in the oil absorption zone, and the upper half moon window 4-3 communicates with the suction channel 4-1 through the hole 4-2.
  • the second half of the pressure oil window 11-5 communicates through the hole 11-6 and the pressure oil flow paths 11-1, 11-2, and the annular window 4-4 , 11-4 passes through the semicircular hole of the rotor blade groove.
  • the holes 11-7 are also connected to the pressure oil flow paths 11-1, 11-2. . That is, the rotor 20 and the lower portion of the blade 5 communicate with the pressure oil flow path 11-2 regardless of whether the blade 5 is in the oil suction zone or the pressure oil zone. In this way, according to the increase of the oil pressure of the oil pump, the reliability of sealing the upper part of the blade and the inner surface of the stator can be improved.
  • a triangular groove 11 is opened at one end of the oil pressure window 11-5.
  • the purpose of the open triangular groove 11-8 is to have a buffering process for the change of the oil between the blades 5 from low pressure to high pressure, thereby reducing the pulsation of the output pressure oil and reducing the impact and noise.
  • the dimensions of the triangular grooves 11-8 and their central angles should be determined experimentally.
  • the bottom of the blade communicates with the pressurized oil of the annular window 11-4.
  • the two springs 10, which are also arranged at the bottom of the blade 5, have sufficient spring pressure under the guidance of the spring support 9 to press against the inner wall of the stator to form a sealed cavity.
  • the rotor 20 has the same center as the left casing 11 and the right casing 4.
  • the main shaft 2 is fixed to the left casing 11 and the right casing 4 via a bearing 12, a cassette 13, and a skeleton seal 3; the stator 21 is supported on the slider 22, the needle roller 27, and the cover plate 23; 1 is coupled to the middle casing 6; the stator 2 presses the stator to the left under the action of the spring preload pressure F of the pressure limiting spring 16, the spring seat 17, the adjusting nut 18, and the lock nut 19.
  • the outer edge of the blade 5 and the rotor 20 form a closed cavity, and the closed cavity of the blade in the oil suction section gradually becomes larger from small to small. A part of the vacuum is formed, and the oil level in the saddle tube of the frame is sucked into the pump body under atmospheric pressure; while in the oil pressure section, the closed cavity gradually becomes smaller and the oil is pressed out.
  • the blade 5 is guided under the guide 9, and the leaf spring 10 causes the blade 5 to abut against the inner surface of the stator 21, and after the initial formation of oil pressure, the pressurized oil passes through the annular groove 11-4 of the left casing 11 and the rotor 20.
  • the semi-circular hole at the bottom of the vane groove enters the closed cavity of the Y-shaped skirt 5-2 at the bottom of the vane 5, so that the vane 5 generates a resultant force for the blade to protrude outward in synchronization with the oil pressure, since the upper portion of the vane 5 has a 30° inclination.
  • the angle 5_3 also produces a force that causes the blade 5 to retract within the closed cavity of the blade 5.
  • Blades 5 are injection molded from engineering plastics.
  • the upper part of the blade 5 has a V-groove 5-4 on both sides, and the length and length of the groove is equal to twice the maximum eccentricity.
  • the bottom of the blade 5 has a Y-shaped skirt 5-2 and two spring holes 5-1, and the outside of the Y-shaped skirt 5-2 has a gap of 0.02_0.03 mm with the rotor blade groove and the valve plate contact surface, improving the blade and the rotor.
  • the assembly process of the tank is described in this specification.
  • the outer edges of the V-shaped grooves 5-4 on both sides of the blade are close to the distribution plate surface under the action of oil pressure, which can well separate the high and low pressure chambers of the blade, prevent the oil on the high pressure surface from flowing to the closed cavity of the low pressure surface, and reduce the volumetric efficiency.
  • the spring 10 of the plastic blade 5, under the guidance of the bracket 9, causes the blade 5 to be directly attached to the inner surface of the stator 21, and the blade does not generate impact noise on the inner surface of the stator, and the blade 5 is mold-formed and has a good shape and low cost. Type combination structure, good sealing performance, low speed and high pressure performance.
  • the prior art rotor has a 13° blade mounting inclination, which is advantageous for reducing the pressure angle, improving the blade's resistance to bending and uneven wear due to the oil suction being difficult to be bitten by the blade groove of the rotor 20.
  • this structure should not be reversed, which is not conducive to the rider getting on the car or riding a habit to reverse the pedal and adjust the pedal position. Therefore, the vane groove of the rotor 20 of the present invention is arranged with a zero inclination angle, and the bottom of the vane groove on the rotor does not use a circle having a diameter larger than the thickness of the vane 5 and a semicircle equal to the thickness of the vane.
  • the Y-shaped skirt 5-2 at the bottom of the blade 5 is advantageously at the diameter of the semicircle.
  • the Y-shaped skirt 5-2 has an interference of 0.02_0.03 mm to the groove wall of the blade, so that the oil of the blade 5 at the bottom of the blade of the oil suction zone does not leak and depressurize through the gap between the blade 5 and the wall of the rotor groove.
  • the stator 21 can be moved left and right under the support of the slider 22 of the slider 22, and the amount of eccentricity can be changed, and the amount of output oil can be changed.
  • PB indicates the maximum working pressure (called the inflection point pressure) that can be reached when the pump maintains the maximum output flow.
  • the size of the pump can be changed by adjusting the preload force f of the pressure limiting spring.
  • PC indicates the ultimate pressure at which the pump is adjusted (maximum set oil pressure). At this point, the pump's output flow is zero. If the external load increases again, the pressure PC at point C (voltage limit point) cannot rise any more. That is to say, once the pressure limiting spring of the pump is adjusted, the PB and PC are set. The maximum working oil pressure of the pump is limited by the extreme output power of the athlete.
  • the BC segment on the curve indicates that the stator can move only when the working oil pressure of the pump exceeds PB ⁇ , and the output flow of the pump can change the preload force f of the pressure limiting spring, thereby changing the inflection point pressure of the compression spring ⁇ .
  • the maximum pressure of the PB and the spring corresponds to the limit pressure PC.
  • the BC segment of the curve shifts left and right, PB and PC change; PB increases, the athlete's power increases; BC shifts to the right, PB decreases the athlete's power decreases, and BC shifts to the left.
  • the slope of the curve BC can be changed.
  • This feature of the pump is particularly suitable for bicycle-urban traffic or race track riders with human prime movers.
  • high-speed driving (requires low pressure and large flow, can use the curve AB section).
  • the obstacle road such as slope off-road, fitness, oil pressure is gradually increased, the flow rate is correspondingly reduced, the oil pressure is required to increase gradually, and the flow rate is correspondingly reduced.
  • the average speed of the whole process can get the maximum value, which improves the riding efficiency, expands the road traffic volume, and alleviates the traffic congestion.
  • the stator 21 is circular, (without earrings), supported by the slider 22, the needle 27, and withstands the oil pressure of the stator - FY coincides with the component Y-Y of the coordinate Y-Y, so the stator movement comparison Sensitive.
  • the slider 22 also moves with the stator. Therefore, it has better flow regulation performance.
  • the axial width dimensions and tolerances of the blades, rotors and stators should be identical. And equal to the distance between the left and right housings and the oil distribution window. After the left and right shells are tightly joined by alloy steel screws, only the gap between the stator, the rotor, the vanes and the distribution window is 0.01_0.01 5mm. This gap is actually sealed by the blade V-shaped outer edge 5-4 and the Y-shaped skirt 5-2 and the interference surface of the distribution plate 0.02_0.03 mm.
  • the connecting screw is deformed by the tensile force, and the gap between the distribution plate surface and the stator, the rotor and the blade is increased.
  • the Y-shaped skirt and the V-shaped outer edge are correspondingly enlarged.
  • the expansion of the splicing joint screw causes an increase in the gap.
  • the pressure limiting spring 16 of the present invention uses a disc spring, which is a tapered ring of steel plate stamping, and the plate spring can obtain various spring characteristic curves to satisfy the bicycle according to the movement of the human body power, heart rate, riding The efficiency of the line requires the implementation of flow regulation.
  • the stator 21 is separated from the slipper 22 by the vibration.
  • the axial force component of the feedback force is placed in the -Y axis direction to coincide with the direction of gravity of the stator, and the positioning spring 8 and the positioning guide bush 7 are added.
  • the center of the stator and the center of the rotor are not in the same center.
  • the small spring of the positioning guide sleeve will cause the stator to translate in the direction of the ⁇ X axis.
  • the stator 21 is in the positioning spring 7 and The pressing force of the positioning guide sleeve 8 does not deviate from the support sliding 22 . Guarantee the reliability of feedback performance.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)

Abstract

Pompe à palettes à basse vitesse et haute pression pour vélo hydraulique, comprenant une fermeture d'extrémité, un arbre principal, un joint d'étanchéité, une coque droite, des palettes, une coque médiane, une coque gauche, un roulement à bille, un anneau d'étanchéité circulaire, des vis, un ressort limiteur de pression, un siège de ressort, écrou de réglage, une fermeture d'extrémité latérale, un rotor, un stator, un bloc coulissant, un couvercle, une vis de régulation du flux, un anneau d'étanchéité, un contre-écrou et une aiguille de roulement. Le rotor est muni d'une rainure pour palettes dotée d'un ressort pour palettes et d'un support pour palettes, ledit ressort étant immobilisé par ledit support, la palette étant cachée dans la rainure pour palettes du rotor. L'extrémité d'une palette repose contre un ressort pour palettes, l'autre extrémité adhérant à la paroi interne du stator. Ladite pompe présente une structure cohérente, légère, compacte, tout en étant efficace, bon marché, rapide, ergonomique et adaptable sur une pluralité de diamètres de roues. La présente invention comporte une fonctionnalité permettant de servoréguler la pression.
PCT/CN2009/000662 2008-06-18 2009-06-17 Pompe à palettes à basse vitesse et haute pression pour vélo hydraulique WO2009152692A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2008100288776A CN101290008B (zh) 2008-06-18 2008-06-18 液压自行车用低速高压叶片泵
CN200810028877.6 2008-06-18

Publications (1)

Publication Number Publication Date
WO2009152692A1 true WO2009152692A1 (fr) 2009-12-23

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PCT/CN2009/000662 WO2009152692A1 (fr) 2008-06-18 2009-06-17 Pompe à palettes à basse vitesse et haute pression pour vélo hydraulique

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CN (1) CN101290008B (fr)
WO (1) WO2009152692A1 (fr)

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EA015705B1 (ru) * 2010-09-14 2011-10-31 Руслан Казбекович ТЕМИРАЕВ Гидравлико-инерционный преобразователь крутящего момента и способ преобразования крутящего момента при помощи данного устройства
CN109356847A (zh) * 2018-11-21 2019-02-19 南昌大学 一种定量球塞泵
CN111237625A (zh) * 2020-04-08 2020-06-05 湖南机油泵股份有限公司 一种防卡滞高效率的变速器油泵

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CN101290008B (zh) * 2008-06-18 2011-05-04 邵锐勋 液压自行车用低速高压叶片泵
CN102536809B (zh) * 2011-12-12 2014-12-03 马燕翔 无定子磨损的叶片泵及液压马达和耙吸式泥浆泵
US9154011B2 (en) 2012-07-06 2015-10-06 Hamilton Sundstrand Corporation Integrated drive generator housing
CN113335445A (zh) 2014-09-02 2021-09-03 李东远 液压自动变速自行车
WO2016036130A1 (fr) 2014-09-02 2016-03-10 이동원 Bicyclette à transmission automatique hydraulique
CN105781923A (zh) * 2016-04-29 2016-07-20 济宁市圣泽低温设备制造有限公司 脚踏式叶片泵
DE102016108944A1 (de) * 2016-05-13 2017-11-16 Joma-Polytec Gmbh Verstellbare Flügelzellenpumpe
CN106762615A (zh) * 2017-02-16 2017-05-31 陕西法士特齿轮有限责任公司 一种单作用式变量叶片泵
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CN110552881A (zh) * 2019-07-18 2019-12-10 庆安集团有限公司 一种自适应动涡旋盘偏心机构
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CN110863983B (zh) * 2019-12-11 2022-03-22 秦川机床工具集团股份公司 一种节能变量叶片泵及其偏心量调节方法
CN110985254B (zh) * 2019-12-30 2021-08-13 江苏湖润泵业科技有限公司 一种高速共轨叶片泵
CN111412019A (zh) * 2020-05-01 2020-07-14 三一重机有限公司 一种单作用叶片式变量马达
KR102378399B1 (ko) * 2020-07-03 2022-03-24 엘지전자 주식회사 로터리 압축기
CN115217577B (zh) * 2021-06-10 2023-09-29 广州汽车集团股份有限公司 曲通调节器、曲通调节系统和曲通调节方法

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