WO2007136218A1 - Fixed vane type hydraulic motor - Google Patents
Fixed vane type hydraulic motor Download PDFInfo
- Publication number
- WO2007136218A1 WO2007136218A1 PCT/KR2007/002476 KR2007002476W WO2007136218A1 WO 2007136218 A1 WO2007136218 A1 WO 2007136218A1 KR 2007002476 W KR2007002476 W KR 2007002476W WO 2007136218 A1 WO2007136218 A1 WO 2007136218A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- elevation
- fluid
- hydraulic motor
- rotation body
- oblique
- Prior art date
Links
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
- F04C9/00—Oscillating-piston machines or pumps
- F04C9/005—Oscillating-piston machines or pumps the piston oscillating in the space, e.g. around a fixed point
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C4/00—Oscillating-piston engines
-
- 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
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
Definitions
- the present invention relates to a fixed vane type hydraulic motor in which an output is obtained by compulsorily circulating a fluid, and more particularly, to a fixed vane type hydraulic motor in which a steady output can be obtained and rotation speed of an output shaft can be varied.
- a hydraulic motor is a device in which a high pressure that is generated by a hydraulic pump driven by a motor or an engine is applied to a driving shaft to generate a driving force.
- the slice vane type hydraulic motor has advantages such as a simple structure, light weight, and a small variation of torque.
- the slice vane type hydraulic motor since much fluid leaks from the inside thereof due to the movement of a slice vane, a great centrifugal force is generated due to a high rotation speed, the slice vane is closely contacted to an inner wall of a cam ring due to the centrifugal force to increase a frictional force, the frictional force consumes the driving force and causes heat, noise, and vibration, the slice vane is worn rapidly and torque efficiency is inferior in the event of starting and driving at a low speed.
- axel piston type hydraulic motor although a small quantity of a fluid leaks from the inside thereof, a torque stability is excellent at a low speed, and a range of a rotation speed is wide, its structure is complex and a flow of the fluid is obstructed in the event of driving the axel piston type hydraulic motor at a high speed so that noise and vibration are generated, malfunction occurs, efficiency becomes inferior, and it is expensive.
- the present invention has been made in view of the above problems, and it is an aspect of the present invention to provide a high efficiency fixed vane type hydraulic motor in which a load is not increased due to a centrifugal force even when the fixed vane type hydraulic motor is driven at a high speed such that the fixed vane type hydraulic motor can be smoothly driven from a stopped state to the high speed, wear of a driving unit is minimized to elongate a lifespan, heat, noise, and vibration are minimized, and the lifespan can be maximized without limit of manufacturing material.
- a fixed vane type hydraulic motor comprising: a main body including an actuating space provided therein and having both opened sides; a horizontal rotation body rotatably mounted in the actuating space and including a fluid passing space, in which a spherical groove with an opened opposite end is formed and fluid chambers are formed around the spherical groove and are partitioned by a plurality of rotating horizontal partitions, and an output shaft; a fluid passing device provided at both lateral plates of the respective fluid chambers and both lateral plates of the actuating space to make the fluid flow; a fluid compulsorily circulating device independently provided outside the main body to introduce and discharge the fluid through both sides of the respective fluid chambers via the fluid passing device such that the fluid is compulsorily circulated to the respective fluid chambers; and an oblique rotation body including a rotation plate which is rotatably mounted to the opened opposite side of the main body and in the spher
- FIG. 1 is an exploded perspective view illustrating a hydraulic motor according to a first embodiment of the present invention
- FIG. 2 is a perspective view illustrating the hydraulic motor according to the first embodiment of the present invention
- FIG. 3 is a sectional view taken along the line A-A in FIG. 2;
- FIGS. 4 and 5 are schematic exploded perspective views illustrating a rotation plate, a horizontal rotation body, and a main body for the purpose of illustrating an operation of the hydraulic motor according to the present invention, in which: FIG. 4 illustrates a state before a fluid enters; and
- FIG. 5 illustrates introduction and discharge of the fluid
- FIG. 6 is a sectional view illustrating a hydraulic motor according to a second embodiment of the present invention.
- FIG. 7 is a sectional view illustrating another angle changing unit of the hydraulic motor according to the second embodiment of the present invention.
- FIG. 8 is a sectional view illustrating an overall configuration of a hydraulic motor according to a third embodiment of the present invention.
- FIG. 9 is a sectional view illustrating another example of a fixing device of the hydraulic motor according to the third embodiment of the present invention. DESCRIPTION OF THE PREFERRED EMBODIMENTS
- FIG. 1 is an exploded perspective view illustrating a hydraulic motor according to a first embodiment of the present invention
- FIG. 2 is a perspective view illustrating the hydraulic motor according to the first embodiment of the present invention
- FIG. 3 is a sectional view taken along the line A-A in FIG. 2.
- the hydraulic motor includes a main body 1 in which an actuating space 11 with lateral opened sides is formed inside, a horizontal rotation body 2 rotatably mounted in the actuating space 11 and having a fluid passing space 23, in which a spherical groove 22 with an opened opposite side is formed and fluid chambers 231 are formed around the spherical groove 22 and are partitioned by a plurality of rotating horizontal partitions 233, and an output shaft 21, a fluid passing device 3 provided at both lateral plates of the respective fluid chambers 231 and both lateral plates of the actuating space 11 to flow the fluid, a fluid compulsorily circulating device 4 independently provided outside the main body 1 to introduce and discharge the fluid through both sides of the respective fluid chambers 231 via the fluid passing device 3 such that the fluid is compulsorily circulated to the respective fluid chambers 231, and an oblique rotation body 5 having a rotation plate 53 which is rotatably mounted to the opened opposite side of the main body 1 and in
- the main body 1, as illustrated in FIG. 1, is configured such that a first main body that has the actuating space 11 having the opened opposite side and a horizontal hollow part, formed from the center of a side wall of the actuating space 11 to a side of the side wall, to which the output shaft 21 is mounted is assembled with a second main body to close an opposite space and having an opened central area through which the oblique rotation body 5 penetrates.
- the horizontal rotation body 2 and the oblique rotation body 5 can be easily assembled with each other within the main body 1 and maintenance is easily performed.
- the output shaft 21 of the horizontal rotation body 2 may protrude from the main body 1 to a side, or may be provided in the main body 1 to be connected by a connecting device such as a key, a spline, and a serration.
- the oblique rotation body 5 includes a spherical body 51 having an oblique rotation shaft 52 that is inserted into the spherical groove 22 and has an opposite side protruded to the outside of the horizontal rotation body, and the rotation plate 53 provided around the spherical body 51.
- the rotation plate 53 includes a plurality of partitions to vary arc widths of the respective fluid chambers 231.
- rotation connecting shafts 532 including recesses 533 into which the rotating horizontal plates 233 are inserted are provided such that the sealing between the rotating horizontal plates 233 and the rotation plate 53 can be maintained.
- the fluid passing device 3 includes at least one passing hole 31 formed in both lateral plates of the respective fluid chambers 231, and a plurality of long arc-shaped holes 32 formed around the both lateral plates of the actuating space to correspond to the arc widths of the respective fluid chambers 231 to selectively introduce and discharge the fluid.
- the fluid compulsorily circulating device 4 includes fluid introducing and discharging pipes 41 and 42, mounted in the long arc-shaped holes 32, through which the fluid is introduced and discharged, and a fluid pump 42 provided between the introducing pipe 41 and the discharging pipe 43 to compulsorily circulate the fluid.
- a plurality of cooling fins 45 may be provided outside the introducing pipe 41 and the discharging pipe 43 to reduce a temperature of the fluid when the temperature of the fluid passing through the introducing pipe 41 and the discharging pipe 43 is increased.
- a fluid tank 44 is further provided at the middle of the discharging pipe 43.
- the respective passing holes 31 provided in the both side plates of the respective fluid chambers 231, as illustrated in FIG. 1, are plural, so that the fluid can be continuously introduced and discharged.
- the passing holes 31 are formed in the form of long arc-shaped hole, as described above, the fluid can be continuously introduced and discharged.
- the fixing device 6 includes oblique holes 61 provided at an opened side of the main body and sliding devices 62 provided in the oblique holes 61 to allow the oblique rotation shaft 52 of the spherical body 51 to rotate, so that the oblique rotation shaft 52 can be obliquely supported by the oblique holes 61 and the sliding devices 62.
- a synthetic resin coating layer (not shown) may be further provided at an inner side of the fluid passing space 23, that is, an inner side of the oblique rotation body 5 to prevent wear.
- the inner sides of the both lateral plates of the fluid passing space 23 are formed by cone-shaped slopes 232 having inwardly-protruding central surroundings .
- FIGS. 4 and 5 are schematic exploded perspective views illustrating a rotation plate, a horizontal rotation body, and a main body for the purpose of illustrating an operation of the hydraulic motor according to the present invention, in which: FIG. 4 illustrates a state before a fluid enters, and FIG. 5 illustrates introduction and discharge of the fluid. The operation will be described in the order of the above drawings.
- FIG. 4 illustrates a state before a fluid enters, as illustrated in FIGS. 1 to 3 and 4, the oblique rotation body 5 does not rotate and the fluid is never introduced into the respective fluid chambers 231 of the fluid passing space 23.
- FIG. 5 shows the introduction and the discharge of the fluid by which the pump of the fluid compulsorily circulating device 4 is driven.
- a pump 42 provided in the fluid compulsorily circulating device 4 is driven to compulsorily supply the fluid through the introducing pipe 41
- the fluid with a pressure passes through the long arc-shaped holes 32, formed in the both side walls of the actuating space 11 of the main body 1 and connected to the introducing pipe 41.
- the fluid passing through the long arc-shaped holes 32 passes through the passing holes 31 that are formed in the lateral sides of the respective fluid chambers 231 and enters both sides of the respective fluid chambers 231 of the fluid introducing spaces 23.
- the rotation plate 52 of the oblique rotation body 5 rotates to the oblique positions within the respective fluid chambers 231 so that volumes of the both sides of the respective fluid chambers 231 vary and the flowing fluid passes through the passing holes 31 provided in the both sides of the fluid chambers 231 and the long arc- shaped holes 32 provided at the both sides of the actuating space 11 and connected to the discharging pipe 43 and is discharged through the discharging pipe 43.
- the fluid discharged through the discharging pipe 43 is continuously introduced through the introducing pipe 41 again and is circulated by the continuous driving of the pump 42.
- the pump 42 of the fluid compulsorily circulating device 4 is driven to compulsorily circulate the fluid so that an output can be obtained from the output shaft 21.
- the fluid which is introduced in the fluid introducing space 23 when the fluid is circulated through the fluid passing space 23 of the horizontal rotation body 2 enters the both sides of the respective fluid chambers 231, and the respective rotating horizontal partitions 233 of the respective fluid chambers 231 move in one direction due to the flow of the fluid at the same time. Then, the horizontal rotation body 2 to which the respective rotating horizontal partitions 233 are fixed rotates together so that a rotational output can be obtained from the output shaft 21 of the horizontal rotation body 2.
- the fluid compulsorily circulated by the pump 42 pushes the respective rotating horizontal partitions 233 of the respective fluid chambers 231 in one direction at the same time to obtain the output, so that a phenomenon that a load is generated during the driving of the hydraulic motor can be prevented and a stable output can be also obtained.
- the respective rotating horizontal partitions 233 rotate simultaneously to distribute an output load during the driving so that the respective rotating horizontal partitions 233 can be also prevented from being damaged in advance.
- the load is not increased due to the centrifugal force. Wear of operating units is minimized to elongate a lifespan of the hydraulic motor, as well as heat, noise, and vibration can be minimized. Moreover, the lifespan can be maximized without limit of manufacturing material .
- FIG. 6 is a sectional view illustrating a hydraulic motor according to a second embodiment of the present invention.
- the hydraulic motor according to the second embodiment of the present invention is identical to the configuration of the hydraulic motor according to the first embodiment of the present invention except for the fixing device 6.
- the fixing device ⁇ includes an angle changing unit 63 that is provided in an opened one-side of the main body to vary a position of an opposite end of the oblique rotation body 5 such that the rotation speed of the output shaft 21 varies and an angle of the oblique rotation body 5.
- the rotation plate 53 includes a plurality of partitions 531 provided in the respective fluid chambers to vary the arc widths.
- the angle changing unit 63 includes a support 631 to rotatably support an opposite end of the oblique rotation body 5, and an elevation device 632 provided in the opened opposite side of the main body 1 to elevate and lower the support 631 manually or using a driving device to vary an oblique angle of the oblique rotation body.
- the support 631 includes a bearing bracket 631a to support the opposite end of the oblique rotation body 5 to rotate and which has a spherical outer circumference.
- the elevation device 632 includes an elevation bracket 632a to surround the spherical circumference of the bearing bracket 632a and which has a tap hole 632b formed in the upper side thereof, a fixing housing 632c to completely surround the opposite end of the oblique rotation body 5 and which has a through-hole formed in a vertical position corresponding to the elevation bracket 632a, an elevation thread shaft 632d rotatably inserted into the through-hole and which has a lower end rotatably coupled in the tap hole of the elevation bracket 632a, and a handle 632e manipulated manually or by a motor 632f driven by electric power that is provided from the outside, that is, the upper side of the elevation thread shaft 632d.
- the hydraulic motor is operated such that, firstly when the pump 42 of the fluid compulsorily circulating device 4 is driven to make the fluid circulate through the fluid passing space 23 formed in the horizontal rotation body 2, as illustrated in the first embodiment of the present invention, the horizontal rotation body 2 rotates due to the compulsory circulation of the fluid, and as a result a rotational output can be obtained from the output shaft 21.
- the hydraulic motor to perform the above-described operation has a feature that the angle of the oblique rotation body 5 rotated in association with the horizontal rotation body 2 is varied to enable the variation of the rotation speed of the output shaft 21.
- the rotation speed of the output shaft 21 of the hydraulic motor according to the present invention is easily adjusted by varying the angle of the oblique rotation body 5 with the angle changing unit 63 that includes the support 631 to rotatably support the opposite end of the oblique rotation body 5 and the elevation device 632 provided in the opposite side of the main body 1 to elevate and lower the support 61 with a manual device to vary the oblique angle of the oblique rotation body.
- the angle of the oblique rotation body 5 is changed to adjust the oblique angle of the rotation plate 53 provided in the oblique rotation body 5, so as to change volume of the both sides of the respective fluid chambers 231.
- a flow rate adjusting hydraulic motor to easily adjust the rotation speed of the output shaft 21 during the driving and the stopped state of the hydraulic motor by which the flow rate of the fluid introduced into the fluid chambers 231 with a predetermined pressure is changed due to the volume change of the fluid chambers 231.
- the angle changing unit of the present invention includes the support 631 to rotatably support the opposite end of the oblique rotation body 5, and the elevation device 632 provided in the opened opposite side of the main body 1 to elevate and lower the support 631 manually or by using a driving device to vary the oblique angle of the oblique rotation body.
- the support 631 includes the bearing bracket 631a to rotatably support the opposite end of the oblique rotation body 5 to rotate and which has the spherical outer circumference.
- the elevation device 62 to elevate and lower the support 61 includes the elevation bracket 632a to surround the spherical circumference of the bearing bracket 632a and which has the tap hole 632b formed in the upper side thereof, the fixing housing 632c to completely surround the opposite end of the oblique rotation body 5 and which has the through-hole formed in a vertical position corresponding to the elevation bracket 632a, the elevation thread shaft 632d rotatably inserted into the through-hole and which has the lower end rotatably coupled in the tap hole of the elevation bracket 632a, and the handle 632e manipulated manually or by the motor 632f driven by electric power that is provided from the outside, that is, the upper side of the elevation thread shaft 632d.
- the angle of the oblique rotation body 5 is changed by rotating the handle 632e or the motor 632f of the angle changing unit 63 constructed as described above so that the rotation speed of the output shaft 21 of the hydraulic motor can be easily adjusted.
- the elevation thread shaft 632d connected to the handle 632e or the motor 632f is rotated and the elevation position of the elevation bracket 632a connected to the elevation thread shaft 632d varies.
- the elevation position of the elevation bracket 632a is changed due to the rotation of the elevation thread shaft 632d. Since an inner surface of the elevation bracket 632a closely contacts an outer surface of the support 631 during the change of the position of the elevation bracket 632a, when the position of the elevation bracket 632a is changed, the angle of the support 631 is also changed. Since the angle of the support 631 is changed, the angle of the oblique rotation body 5 whose the opposite end is fixed to the support is changed.
- the angles of the spherical body 51 and the rotation plate 53 integrally fixed to the outer circumference of the spherical body 51 are varied so that a degree of the volume variation of the both sides of the respective fluid chambers can be adjusted. Therefore, the angle of the rotation plate 53 is easily changed so that the rotation speed of the output shaft can be easily adjusted during the operation of the hydraulic motor and in the stopped state, and as described above, the output shaft 21 can be rapidly stopped during the switching of the rotation direction of the output shaft 21 and during the rotation of the output shaft 21.
- FIG. 7 is a sectional view illustrating another angle changing unit of the hydraulic motor according to the second embodiment of the present invention.
- the angle changing unit 63 of the hydraulic motor according to the second embodiment of the present invention includes a support 631 to rotatably support an opposite end of the oblique rotation body 5, and an elevation device 632 provided in the opened opposite side of the main body 1 to elevate and lower the support 631 manually or using a driving device to vary an oblique angle of the oblique rotation body.
- the support 631 includes the bearing bracket 631a to rotatably support the opposite end of the oblique rotation body 5 to rotate and which has the spherical outer circumference.
- the elevation device 632 to elevate and lower the support 631 includes an elevation bracket 632a to surround the spherical circumference of the bearing bracket 632a, a fixing housing 632c to completely surround the opposite end of the oblique rotation body 5 and which has the through-hole 632h formed in a vertical position corresponding to the elevation bracket 632a, an elevation shaft 632j penetrating the through- hole 632h and which has the lower end fixed to the upper side of the elevation bracket 632a, and an actuator 632k provided at the outside, that is, the upper side of the elevation shaft 632j and driven by a fluid or an electric power to elevate and lower the elevation shaft.
- FIG. 8 is a sectional view illustrating an overall configuration of a hydraulic motor according to a third embodiment of the present invention.
- the hydraulic motor according to the third embodiment of the present invention is identical to the configuration of the hydraulic motor according to the second embodiment of the present invention except for the oblique rotation body 5 and the angle changing unit 6 of the second embodiment of the present invention.
- the oblique rotation body 5 includes a spherical body 54 rotatably inserted into the spherical groove 22 and having a horizontal through- hole 541 formed therein and a rotation plate 53 provided at the circumference, and a shaft 55 penetrating the horizontal through-hole 541 via a bush 451 to move laterally without rotation and protruding outward of the horizontal rotation body 2.
- the rotation plate 53 includes a plurality of partitions 531 provided in the respective fluid chambers to vary the arc widths.
- the fixing unit 6 configured to vary a position of the opposite end of the oblique rotation body 5 includes a through- hole 64 formed in a shaft 55 of the oblique rotation body 5, and an elevation device 66 provided in the opened opposite side of the main body 1 and connected to the through-hole 64 by a hinge shaft 65 to be elevated and lowered manually or by a driving device to vary an oblique angle of the oblique rotation body.
- the elevation device 66 includes an elevation bracket 661 having a lower end connected to the through-hole 64 by the hinge shaft 65 and a tap hole 662 formed in the upper side thereof, a fixing housing 663 to completely surround the opposite end of the oblique rotation body 5 and which has a through-hole formed in a vertical position corresponding to the elevation bracket 661, an elevation thread shaft 664 rotatably inserted into the through-hole and which has a lower end rotatably coupled in the tap hole 662 of the elevation bracket 661, and a handle 665 manipulated manually or by a motor 666 driven by electric power that is provided from the outside, that is, the upper side of the elevation thread shaft 664.
- the angle of the oblique rotation body 5 is changed by rotating the handle 665 or the motor 666 of the angle changing unit 6 constructed as described above so that the rotation speed of the output shaft 21 of the hydraulic motor can be easily adjusted.
- the elevation thread shaft 664 connected to the handle 665 or the motor 666 is rotated and the elevation position of the elevation bracket 661 connected to the elevation thread shaft 664 varies.
- the elevation position of the elevation bracket 661 is changed due to the rotation of the elevation thread shaft 664. Since the lower side of the elevation bracket 661 is connected to the shaft 55 of the oblique rotation body 5 by the hinge shaft 65, the angle of the oblique rotation body 5 is changed during the positional variation of the elevation bracket 661. Since the shaft 55 moves to the right side or to the left side with respect to a bearing 551 provided in the spherical body 54 during the angular change of the oblique rotation body 5, the angle of the oblique rotation body 5 having the shaft 55 is changed.
- the angles of the spherical body 54 and the rotation plate 53 integrally fixed to the circumference of the spherical body 54 are varied so that a degree of the volume variation of the both sides of the respective fluid chambers can be adjusted. Therefore, it is possible to provide a hydraulic motor in which the angle of the rotation plate 53 is easily changed so that the rotation speed of the output shaft 21 can be easily adjusted during the operation of the hydraulic motor and in the stopped state, and as described above, the rotation direction of the output shaft 21 can be changed by switching the flow direction of the fluid, and the output shaft 21 can be rapidly stopped during the rotation of the output shaft 21.
- FIG. 9 is a sectional view illustrating another example of a fixing device of the hydraulic motor according to the third embodiment of the present invention.
- a fixing device 6 of the hydraulic motor according to the third embodiment of the present invention as another example includes a through-hole 64 formed in a shaft 55 of the oblique rotation body 5, and an elevation device 66 provided in the opposite side of the main body 1 and connected to the through-hole 64 by a hinge shaft 65 to be elevated and lowered manually or by a driving device to vary an oblique angle of the oblique rotation body.
- the elevation device 66 includes an elevation bracket 667 having a lower end connected to the through-hole 64 by the hinge shaft 65, a fixing housing 669 to completely surround the opposite end of the oblique rotation body 5 and which has a through-hole 668 formed in a vertical position corresponding to the elevation bracket 667, an elevation shaft 670 penetrating the through-hole 668 and fixed to the upper side of the elevation bracket 667, and an actuator 671 provided at the outside, that is, the upper side of the elevation shaft 670 driven by a fluid or electric power to elevate and lower the elevation shaft 670.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112007001269T DE112007001269T5 (en) | 2006-05-22 | 2007-05-22 | Hydraulic motor with fixed vane |
US12/301,633 US20090142216A1 (en) | 2006-05-22 | 2007-05-22 | Fixed vane type hydraulic motor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060045682A KR100745564B1 (en) | 2006-05-22 | 2006-05-22 | Vane type hydraulic moter |
KR10-2006-0045682 | 2006-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007136218A1 true WO2007136218A1 (en) | 2007-11-29 |
Family
ID=38601724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2007/002476 WO2007136218A1 (en) | 2006-05-22 | 2007-05-22 | Fixed vane type hydraulic motor |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090142216A1 (en) |
KR (1) | KR100745564B1 (en) |
CN (1) | CN101454569A (en) |
DE (1) | DE112007001269T5 (en) |
WO (1) | WO2007136218A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2685105A1 (en) * | 2012-07-12 | 2014-01-15 | Lucas Ihsl | Hydraulic power unit including ceramic oscillator and hydraulic engine including the hydraulic power unit |
US9145883B2 (en) | 2012-07-12 | 2015-09-29 | Lucas IHSL | Hydraulic power unit including ceramic oscillator and hydraulic engine including the hydraulic power unit |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108167187B (en) * | 2016-12-07 | 2019-07-02 | 张银量 | The engagement type displacement-variable device of vane |
CN108729951A (en) * | 2018-06-13 | 2018-11-02 | 扬州大学 | A kind of novel double-screw expanding machine |
CN109915371B (en) * | 2019-04-08 | 2020-03-31 | 张银量 | Non-equiangular meshed rotary vane type variable-capacity mechanism |
KR20220076007A (en) * | 2020-11-30 | 2022-06-08 | 이엑스디엘 주식회사 | vane motor |
KR102521615B1 (en) * | 2021-11-23 | 2023-04-14 | 한국도키멕 주식회사 | Vane assembly device for vane pump |
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JPH08277785A (en) * | 1995-04-05 | 1996-10-22 | Kayseven Co Ltd | Vane pump |
US5804898A (en) * | 1995-09-12 | 1998-09-08 | Nihon Riken Co., Ltd. | Electric motor utilizing magnetic energy of permanent magnet |
KR20050035508A (en) * | 2003-10-13 | 2005-04-18 | 라필찬 | Wedge pressing fluid apparatus |
JP2006022794A (en) * | 2004-07-06 | 2006-01-26 | Valeo Electrical Systems Korea Ltd | Vacuum pump for vehicle |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US3892504A (en) * | 1974-01-03 | 1975-07-01 | Wehr Elsie Deshely | Rotary pump |
KR100315481B1 (en) | 1999-06-12 | 2001-11-28 | 최진희 | Rotating and shaking type hydraulic pump and compressor |
KR100577706B1 (en) * | 2004-11-01 | 2006-05-08 | 나필찬 | Turbo capacity type pump |
-
2006
- 2006-05-22 KR KR1020060045682A patent/KR100745564B1/en not_active IP Right Cessation
-
2007
- 2007-05-22 DE DE112007001269T patent/DE112007001269T5/en not_active Ceased
- 2007-05-22 WO PCT/KR2007/002476 patent/WO2007136218A1/en active Application Filing
- 2007-05-22 CN CNA2007800190979A patent/CN101454569A/en active Pending
- 2007-05-22 US US12/301,633 patent/US20090142216A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08277785A (en) * | 1995-04-05 | 1996-10-22 | Kayseven Co Ltd | Vane pump |
US5804898A (en) * | 1995-09-12 | 1998-09-08 | Nihon Riken Co., Ltd. | Electric motor utilizing magnetic energy of permanent magnet |
KR20050035508A (en) * | 2003-10-13 | 2005-04-18 | 라필찬 | Wedge pressing fluid apparatus |
JP2006022794A (en) * | 2004-07-06 | 2006-01-26 | Valeo Electrical Systems Korea Ltd | Vacuum pump for vehicle |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2685105A1 (en) * | 2012-07-12 | 2014-01-15 | Lucas Ihsl | Hydraulic power unit including ceramic oscillator and hydraulic engine including the hydraulic power unit |
US9145883B2 (en) | 2012-07-12 | 2015-09-29 | Lucas IHSL | Hydraulic power unit including ceramic oscillator and hydraulic engine including the hydraulic power unit |
Also Published As
Publication number | Publication date |
---|---|
US20090142216A1 (en) | 2009-06-04 |
CN101454569A (en) | 2009-06-10 |
DE112007001269T5 (en) | 2009-04-02 |
KR100745564B1 (en) | 2007-08-02 |
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