WO2006048976A9 - 作動油タンク - Google Patents
作動油タンクInfo
- Publication number
- WO2006048976A9 WO2006048976A9 PCT/JP2005/016918 JP2005016918W WO2006048976A9 WO 2006048976 A9 WO2006048976 A9 WO 2006048976A9 JP 2005016918 W JP2005016918 W JP 2005016918W WO 2006048976 A9 WO2006048976 A9 WO 2006048976A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- partition plate
- chamber
- hydraulic oil
- strainer
- oil tank
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/794—With means for separating solid material from the fluid
- Y10T137/8049—Movable strainer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86187—Plural tanks or compartments connected for serial flow
- Y10T137/86212—Plural compartments formed by baffles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86187—Plural tanks or compartments connected for serial flow
- Y10T137/86228—With communicating opening in common walls of tanks or compartments
Definitions
- the present invention relates to a hydraulic oil tank.
- a construction machine such as a hydraulic excavator includes a lower traveling body 80, an upper swing body 81, and a work machine 82 connected to the upper swing body 81.
- the work implement 82 includes a boom 83 protruding from the upper swing body 81, an arm 84 connected to the boom 83, a packet 85 attached to the arm 84, and the like.
- the boom 83 swings by driving the boom cylinder mechanism 86
- the arm 84 swings by driving the arm cylinder mechanism 87
- the packet 85 swings by driving by the bucket cylinder mechanism 88.
- the cylinder mechanisms 86, 87, 88 are driven by hydraulic pressure. Therefore, a hydraulic circuit having a hydraulic oil tank is configured.
- Some hydraulic oil tanks are internally partitioned by a partition plate (see, for example, Patent Document 1).
- the hydraulic oil tank described in Patent Document 1 has a partition plate 92 disposed substantially parallel to the bottom plate 91 of the tank body 90 in a box-shaped tank body 90. .
- a suction port 93 is provided in the bottom plate 91, and a return port 94 is provided above the partition plate 92.
- the working oil is stored in the tank body 90, the working oil in the tank body 90 is sucked into the hydraulic pump through the suction port 93, and the returning working oil from each cylinder mechanism (actuator) 86, 87, 88 is received. It is returned through the return port 94 of the tank body 90.
- the partition plate 92 is provided with a hole 95 for a filter (strainer) 97 and a large number of small holes 96.
- Patent Document 1 Japanese Patent Laid-Open No. 5-321902
- the present invention has been made to solve the above-described conventional drawbacks, and its purpose is
- An object of the present invention is to provide a hydraulic oil tank that can stably defoam, reduce the tank capacity, and achieve compactness.
- the hydraulic oil tank according to the first invention includes a tank body having a box-like physical strength and a return port and a suction port, and an oil flow path that is built in the tank body and extends from the return port to the suction port.
- the partition member is formed so that the oil flow includes at least one up / down folding and at least one width folding.
- a hydraulic oil tank according to a second aspect of the present invention is the hydraulic oil tank according to the first aspect of the present invention, wherein the suction port is provided at a lower portion of the center portion in the width direction of the tank body.
- a hydraulic oil tank according to a third aspect of the present invention is the hydraulic oil tank of the second aspect, wherein the partition member includes a lateral partition portion disposed above the suction port, and one end portion of the lateral partition portion. And a vertical partition that is suspended from. The return port is disposed outside the vertical partition with respect to the suction port.
- the hydraulic oil tank according to the fourth invention is the hydraulic oil tank according to any one of the first invention and the third invention, wherein the partition member includes a pair of vertical partition plates and a vertical partition plate between the vertical partition plates.
- a horizontal partition plate that partitions the interior of the tank body, the first chamber outside the one vertical partition plate, the second chamber above the vertical partition plate, and the other vertical partition plate.
- the first chamber is partitioned into a third chamber on the outside and a fourth chamber below the vertical partition plate.
- the return port will be opened in the first room, and the suction port will be opened in the fourth room.
- a hydraulic oil tank according to a fifth aspect of the present invention is the hydraulic oil tank according to the fourth aspect of the present invention, wherein the pair of longitudinal partition plates and the lateral partition plate has the largest area among the surfaces constituting the tank body. Each is connected to a certain surface.
- a hydraulic oil tank according to a sixth aspect of the present invention is the hydraulic oil tank according to the fourth or fifth aspect of the invention, wherein the pair of longitudinal partition plates and the lateral partition plates are connected to side plates of the tank body, respectively.
- Ru [0013]
- the hydraulic oil tank according to the seventh invention is the hydraulic oil tank according to any of the fourth invention and the sixth invention, wherein a gap is provided between the vertical partition plate and the horizontal partition plate.
- the hydraulic oil tank according to the eighth invention is the hydraulic oil tank according to any of the fourth invention and the seventh invention, further comprising a strainer arranged corresponding to the suction port, wherein A strainer through hole is opened. In addition, the strainer through hole is almost closed by a lid member attached to the strainer rod.
- a hydraulic oil tank according to a ninth invention is the hydraulic oil tank according to any of the first invention and the eighth invention, wherein a gap is provided between an edge of the partition member and an inner surface of the tank body. It is done.
- a hydraulic oil tank includes a pair of vertical partition plates and a horizontal partition plate that partitions the vertical partition between the vertical partition plates in a tank body having box-like physical strength.
- the first chamber outside the one vertical divider, the second chamber above the vertical divider, the third chamber outside the other vertical divider, and the vertical direction It is characterized by the fact that the fourth chamber is separated from the lower chamber between the partition plates, a return port is opened in the first chamber, and a suction port is opened in the fourth chamber.
- a hydraulic oil tank is a hydraulic oil tank comprising a tank body made of a box-like body and a strainer disposed at a lower portion of a central portion in the width direction of the tank body.
- the interior of the main body is partitioned by a partition member comprising a lateral partition plate disposed above the strainer and a vertical partition plate depending on one end force of the lateral cutting plate, and the lateral partition.
- the strainer through hole is almost covered with a lid member attached to the strainer rod, and a return port is opened at one end in the width direction outside the vertical partition plate. It is characterized by opening a suction port below the partition plate.
- the partition member is formed so that the flow of the hydraulic oil includes at least one folding in the vertical direction and at least one folding in the width direction. For this reason, the return loca can also increase the distance to the suction port, and the deaeration (defoaming) of the oil that has sucked in air (oil mixed with air) can be improved.
- the suction port is provided at the lower part of the central portion in the width direction of the tank body, oil is sucked from the suction port even when the tank body is inclined. It can be made easy to penetrate.
- the oil that has entered the main body of the return rotor tank that is opened outside the lateral partition part rises once and rises in the width direction above the lateral partition part. It flows to the other end side, descends on the other end side in the width direction, and further enters the lower side of the horizontal partition portion from the opening on the other end side of the partition member, and is located below the horizontal partition portion. Since the air is sucked in from the suction port, the distance from the return port to the suction port can be increased, and the air is sucked in and the degassed (defoamed) oil is better. It can be carried out. In this way, since it is difficult to inhale air, the tank capacity can be made smaller than before and compactness can be achieved.
- the tank body is divided into four chambers, and the force of the oil entering the first chamber of the return loca enters the third chamber via the second chamber, Furthermore, the third chamber force is also sucked from the suction port through the fourth chamber. For this reason, the distance from the return port to the suction port can be increased, and the deaeration (defoaming) of the oil that has sucked in air (oil mixed with air) can be improved. As described above, since it is difficult to suck in air, the tank capacity can be made smaller than before and the efficiency of deaeration can be achieved.
- the pair of vertical partition plates and the horizontal partition plate are connected to the tank body, these three partition plates function as strength members. Can do. For this reason, the plate
- the vertical partition plate and the horizontal partition plate are connected to the surface having the largest area among the surfaces constituting the tank body, the reinforcing effect is high.
- the gap is provided between the vertical partition plate and the horizontal partition plate, it is possible to relieve stress when the oil oscillates. Also, the amount of oil is reduced Even if it becomes a little deficient, oil can easily reach the suction port.
- the strainer through hole can be substantially blocked by the lid member, and formation of a passage for oil by the strainer through hole can be prevented. For this reason, it is possible to avoid the formation of the bypass passage to the second chamber force and the fourth chamber, to prevent the distance from the return port to the suction port from being shortened, and to prevent the deaeration (defoaming) function from deteriorating. it can.
- the gap is provided between the edge of the partition member and the inner surface of the tank body, the stress when the oil oscillates can be relieved. Further, even when the amount of oil is reduced and it becomes dull, it is possible to make it easier to reach the oil inlet.
- the tank body is divided into four chambers, and the force of the return oil also enters the third chamber via the second chamber.
- the third chamber force is sucked into the hydraulic pump from the suction port via the strainer in the fourth chamber. For this reason, the distance from the return port to the suction port can be increased, and the deaeration (defoaming) of the sucked-in oil (oil mixed with air) can be improved.
- the tank capacity can be made smaller than before and the efficiency of deaeration can be achieved.
- the oil that has entered the return loca tank body which is established on one side in the width direction outside the lateral partition plate, once rises from the lateral partition plate. Also flows to the other end in the width direction at the upper side, descends at the other end in the width direction, and further enters the lower side of the horizontal partition plate from the opening on the other end side of the above-mentioned cutting member. Since it is sucked into the suction loca hydraulic pump through the strainer located below the partition plate, the return loca can also gain a longer distance to the suction port, and the air that has sucked in air (oil mixed with air) is degassed ( (Defoaming) can be performed better.
- the tank capacity can be made smaller than before, and compactness can be achieved.
- the strainer through hole can be substantially blocked by the lid member, and formation of an oil passage by the strainer through hole can be prevented. For this reason, it is possible to prevent the distance from the return port to the suction port from being shortened, and to prevent the deaeration (defoaming) function from deteriorating.
- FIG. 1 is a cross-sectional front view showing an embodiment of a hydraulic oil tank according to the present invention.
- FIG. 2 is a cross-sectional side view of the hydraulic oil tank.
- FIG. 3 is a plan view of the hydraulic oil tank.
- FIG. 4 is a cross-sectional plan view of the hydraulic oil tank.
- FIG. 5 is a simplified perspective view of the hydraulic oil tank.
- FIG. 6 is a simplified cross-sectional view showing another embodiment of the hydraulic oil tank of the present invention.
- FIG. 7 is a simplified cross-sectional view showing another embodiment of the hydraulic oil tank of the present invention.
- FIG. 8 is a simplified cross-sectional view showing another embodiment of the hydraulic oil tank of the present invention.
- FIG. 9 is a simplified perspective view of a conventional hydraulic oil tank.
- FIG. 10 is a simplified cross-sectional view of a conventional hydraulic oil tank.
- FIG. 11 is a simplified diagram of a construction machine in which a hydraulic oil tank is used.
- FIG. 1 is a sectional front view of the hydraulic oil tank
- FIG. 2 is a sectional side view
- FIG. 3 is a plan view
- FIG. 4 is a sectional plan view.
- the hydraulic oil tank includes a tank main body 1 having a box-like physical strength and a pair of strainers 2 and 3 stored in the tank main body 1.
- the tank main body 1 includes a front wall (side plate) 4, a rear wall (side plate) 5, a top wall 6, a bottom wall 7, and end walls 8 and 9.
- the tank body 1 has a substantially rectangular parallelepiped outer shape and has a front wall.
- the area of 4 and the rear wall 5 is the largest among the surfaces constituting the outer shape of the tank body 1.
- a partition member 19 including a pair of vertical partition plates 10 and 11 and a horizontal partition plate 12 that partitions the vertical partition plates 10 and 11 from above and below.
- a first chamber 13 outside the one vertical partition plate 10 and a second chamber 14 above the vertical partition plates 10 and 11.
- return ports 17a and 17b are opened in the first chamber 13, and suction ports 18a and 18b are opened in the fourth chamber 16.
- a pair of return ports 17a and 17b are provided in the rear wall 5 corresponding to the first chamber 13, and oil guide tubes 20a and 20b are connected to the return ports 17a and 17b, respectively.
- the oil guide pipes 20a and 20b are powered by horizontal rods 21a and 21b extending from the return ports 17a and 17b, and vertical portions 22a and 22b suspended from the horizontal rods 21a and 21b. Further, the lower end openings 23a and 23b of the vertical portions 22a and 22b are opposed to the bottom surface of the first chamber 13 at a predetermined interval. Further, the horizontal portion 21a of one oil guide tube 20a is set longer than the horizontal portion 21b of the other oil guide tube 20b. And many through-holes 25 ...
- each vertical part 22a, 22b are opened in the peripheral wall in the lower end part of each vertical part 22a, 22b.
- the vertical partition plate 10 is connected to one end portion of the horizontal partition plate 12 so that the lower portion 10a (vertical partition portion) is also suspended by the one end force of the horizontal partition plate 12 (horizontal partition portion).
- the lower part 10a of the vertical partition plate 10 partitions the space between the strainers 2 and 3 and the lower end openings 23a and 23b of the oil guide pipes 20a and 20b.
- one vertical partition plate 10 has a main body portion 27 having a protruding portion 26 extending in the vertical direction at a central portion thereof, and a bent piece portion 28 provided at an end portion of the main body portion 27, 29.
- the main body 27 is provided with a pair of long holes 30 and 30.
- the vertical partition plate 10 has its bent piece portion 28 fixed to the front wall 4 by fixing means such as welding, and the bent piece portion 29 is fixed to the rear wall 5 by fixing means such as welding. It is fixed.
- the vertical partition plate 10 is set to be substantially the same as the height dimension inside the tank body 1.
- the other vertical partition plate 11 also has a main body portion 33 having a protruding portion 32 extending in the vertical direction at the center thereof, and bent piece portions 34 and 35 provided at the end of the main body portion 33.
- the main body 33 is provided with a pair of long holes 36 and 36.
- this vertical divider 11 Further, the bent piece 34 is fixed to the front wall 4 by fixing means such as welding, and the bent piece 35 is fixed to the rear wall 5 by fixing means such as welding.
- the vertical partition plate 11 is also set to be substantially the same as the height inside the tank body 1.
- a through hole 38 (see FIG. 1) is provided at the lower end of the vertical partition plate 11, and the third chamber 15 and the fourth chamber 16 are communicated with each other through the through hole 38.
- the lateral partition plate 12 includes a flat plate-like main body 40, a bent piece 41 that hangs from the front end edge of the main body 40, and a bent that hangs from the rear end edge of the main body 40.
- the main body 40 has a bent piece 41 fixed to the front wall 4 by fixing means such as welding, and the bent piece 42 is fixed to the rear wall 5 as fixing means such as welding. It is fixed.
- the main body portion 40 of the lateral partition plate 12 is provided with strainer through holes 43 and 44 (see FIG. 4) for assembling the strainers 2 and 3 into the tank main body 1.
- the strainers 2 and 3 are arranged corresponding to the suction ports 18a and 18b, and the rods 45 and 46 extend from the strainers 2 and 3, respectively.
- Cap members 49 and 50 for closing the through holes 47 and 48 are attached.
- the strainer rods 45 and 46 are pressed against the bottom wall 7 by using panel members (not shown).
- Each strainer 2 and 3 has a cylindrical shape having an upper wall and covers each suction port 18a and 18b.
- Each strainer rod 45, 46 is provided with a disk-shaped lid member 51, 52, and the lid member 51, 52 substantially closes each strainer through hole 43, 44 from above. At this time, it is desirable that the lid members 51 and 52 are in close contact with the main body 40 of the lateral partition plate 12, but there may be a slight gap.
- the oil enters the first chamber 13 from the return ports 17a, 17b through the numerous through holes 25 of the oil guide tubes 20a, 20b, and the oil that has entered the first chamber 13 Rises in the first chamber 13 and enters the second chamber 14 through the long holes 30 and 30 of one of the vertical partition plates 10, and flows through the second chamber 14 to the other end side in the width direction.
- the third chamber 15 enters the third chamber 15 through the long holes 36, 36 of the vertical partition plate 11 and further descends in the third chamber 15 from the third chamber 15 through the through hole 38 of the other vertical partition plate 11.
- the tank body 1 A flow path through which oil flows is formed by a pair of vertical partition plates 10 and 11 and a horizontal partition plate 12.
- the oil flowing through this flow path is folded once in the up and down direction. Including turning in the width direction. That is, as indicated by arrow A, the oil flows from the return port 17a, 17b to the suction ports 18a, 18b as it flows from the first chamber 13 ⁇ the second chamber 14 ⁇ the third chamber 15 ⁇ the fourth chamber 16.
- the tank capacity can be made smaller than before and compactness can be achieved. Furthermore, it is configured so that oil flows in the width direction as in the case of flowing from the first chamber 13 to the second chamber 14 to the third chamber 15 and from the third chamber 15 to the fourth chamber 16, so that It is less likely that the oil flow distance will decrease due to the decrease in oil volume than when it flows.
- each of these three partition plates 10, 11, 12 functions as a strength member. can do. For this reason, the plate thickness of the tank body 1 can be reduced, and other members for strength members can be reduced. Further, the strainer through holes 43 and 44 can be almost blocked by the lid members 51 and 52, and the passage of oil by the strainer through holes 43 and 44 is prevented from being formed. For this reason, the force in the second chamber 14 can also avoid the formation of a binos passage to the fourth chamber 16, and the distance from the return ports 17a, 17b to the suction ports 18a, 18b can be prevented from being shortened. ) Can be prevented from lowering its function.
- each vertical partition plate 10, 11 and the upper surface 6 of the tank body 1 there are provided between the upper end edge of each vertical partition plate 10, 11 and the upper surface 6 of the tank body 1, the lower end edge of each vertical partition plate 10, 11 and the tank body 1 Clearances 66, 67, 68, 69 are provided between the bottom wall 7 and the inner surface of the bottom wall 7, and clearances 70, 71 are provided between the horizontal partition plate 12 and the vertical partition plates 10, 11. . These gaps 66 are provided to relieve stress when the oil oscillates.
- FIG. 6 shows another embodiment.
- the inside of the tank body 55 is arranged with a lateral partition plate 57 (a lateral partition portion) disposed above the strainer 56, and
- the horizontal partition plate 57 is partitioned by a partition member 59 including a vertical partition plate 58 (vertical partition portion) suspended from one end of the horizontal partition plate 57.
- a strainer through hole 60 is opened in the lateral partition plate 57, and at the same time, the strainer through hole 60 is substantially covered by a lid member 62 attached to the strainer rod 61. It is blocking.
- a return port 63 is opened on one end side in the width direction outside the vertical partition plate 58, and the suction port 64 is covered with a strainer 56.
- the distance from the return port 63 to the suction port 64 can be prevented from being shortened, and the function of deaeration (defoaming) can be prevented. Decline can be prevented.
- FIG. 7 shows another embodiment.
- a board 12 is provided and is divided into a first chamber 13, a second chamber 14, a third chamber 15, and a fourth chamber 16.
- a suction port 72 is opened in the first chamber 13 and a return port 73 is opened in the fourth chamber 16.
- the suction port 72 is covered with a strainer 74.
- FIG. 8 shows another embodiment.
- the inside of the tank main body 75 is laterally arranged above the return port 76 arranged at the lower end of the tank main body 75 in the width direction. Partitioning is performed by a cutting member 81 including a directional partition plate 77 and a vertical partition plate 78 erected at one end of the lateral partition plate 77. Further, a suction port 79 is opened above the return port 76 with the vertical partition plate 77 interposed therebetween, and the suction port 79 is covered with a strainer 80.
- a vertical partition plate 78 is located on the side of the strainer 80, and the vertical partition plate 78 is higher than the strainer 80 and extends upward to a position.
- the oil flows as shown by an arrow D. Therefore, like the hydraulic oil tank shown in Fig. 1, the oil flow turns up and down at least once.
- the oil flow path is formed so as to include at least one turn in the width direction. For this reason, the distance from the return port 76 to the suction port 79 can be increased, and air can be sucked in and the degassed (defoamed) oil (oil mixed with air) can be efficiently performed.
- the hydraulic oil tank shown in FIG. 1 and the like it has a structure in which air is hard to be sucked in, and the capacity of the tank can be reduced as compared with the conventional case, so that compactness can be achieved.
- the force described in the specific embodiment of the present invention is not limited to the above-described embodiment, and various modifications may be made within the scope of the present invention. it can.
- the force return port provided with the two return ports 17a and 17b may be one or three or more.
- the number of strainers may be one, or three or more. For this reason, the suction port can be increased or decreased corresponding to the strainer.
- two or more strainers may be arranged.
- construction machines that use hydraulic oil tanks are not limited to hydraulic excavators, but include cranes and crushers.
- a force hydraulic oil tank having a height in which a pair of vertical partition plates 10 and 11 and a lateral partition plate 12 are connected to the front wall 4 and the rear wall 5 is high.
- the viewpoint power to further improve the reinforcing effect is a pair of vertical partition plates 10 11 and the lateral partition 12 are connected to the top wall 6 and the bottom wall 7.
- the force that forms the path of the oil flow so that the oil flow includes one vertical folding and one width folding each 2 It may include folding more than once.
- the viewpoint power for simplifying the configuration includes one turn in the vertical direction and the width direction as in the above embodiment.
- the suction ports 18a, 18b, 64 force
- the force suction port provided at the lower part of the center portion in the width direction of the tank bodies 1, 55 is provided at other positions. Even in such a case, the present invention can be applied. However, even when the tank body is tilted, it is desirable that it is provided at the lower part of the center part in the width direction of the tank body from the viewpoint of facilitating the suction of the intake loca hydraulic fluid.
- the present invention has an effect of stably defoaming, reducing the tank capacity and achieving compactness, and is useful as a hydraulic oil tank.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112005002732.5T DE112005002732B4 (de) | 2004-11-04 | 2005-09-14 | Hydraulikflüssigkeitstank |
GB0707398A GB2433964B (en) | 2004-11-04 | 2005-09-14 | Hydraulic fluid tank |
CN2005800358947A CN101076672B (zh) | 2004-11-04 | 2005-09-14 | 液压油箱 |
US11/666,915 US7886768B2 (en) | 2004-11-04 | 2005-09-14 | Hydraulic fluid tank |
JP2006542281A JP4615521B2 (ja) | 2004-11-04 | 2005-09-14 | 作動油タンク |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004319995 | 2004-11-04 | ||
JP2004-319995 | 2004-11-04 |
Publications (2)
Publication Number | Publication Date |
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WO2006048976A1 WO2006048976A1 (ja) | 2006-05-11 |
WO2006048976A9 true WO2006048976A9 (ja) | 2007-06-14 |
Family
ID=36318991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/016918 WO2006048976A1 (ja) | 2004-11-04 | 2005-09-14 | 作動油タンク |
Country Status (7)
Country | Link |
---|---|
US (1) | US7886768B2 (ja) |
JP (1) | JP4615521B2 (ja) |
KR (1) | KR100886422B1 (ja) |
CN (1) | CN101076672B (ja) |
DE (1) | DE112005002732B4 (ja) |
GB (1) | GB2433964B (ja) |
WO (1) | WO2006048976A1 (ja) |
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JP2014194279A (ja) * | 2010-02-03 | 2014-10-09 | Yuutekku:Kk | 油タンク |
JP5550576B2 (ja) * | 2010-02-03 | 2014-07-16 | 株式会社ユーテック | 油タンク |
US8491707B2 (en) * | 2010-05-24 | 2013-07-23 | Helgesen Design Services, Llc | Fluid storage tank configured to remove entrained air from fluid |
US8991422B2 (en) | 2012-07-12 | 2015-03-31 | Caterpillar Inc. | Return diffuser for hydraulic tank |
DE102012017836A1 (de) | 2012-09-10 | 2014-03-13 | Trw Automotive Gmbh | Fluidbehälter, insbesondere Hydrauliktank für ein Motor-Pumpen-Aggregat |
CN102878123A (zh) * | 2012-09-25 | 2013-01-16 | 三一重机有限公司 | 工程机械及其液压油箱 |
US8997471B2 (en) | 2012-11-30 | 2015-04-07 | Caterpillar Inc. | Hydraulic system having dual manifolds |
US20140182456A1 (en) * | 2012-12-27 | 2014-07-03 | Cheng Uei Precision Industry Co., Ltd. | Debinder Trap |
CN103821780B (zh) * | 2014-03-12 | 2016-08-17 | 石河子开发区合创农机装备有限公司 | 一种液压油箱 |
JP6108479B2 (ja) * | 2014-08-07 | 2017-04-05 | 株式会社ソディック | 射出成形機の作動油タンクまたは補助油タンク |
CN104196773B (zh) * | 2014-08-15 | 2016-02-03 | 济南时代试金试验机有限公司 | 一种试验机油源用阶梯式油箱 |
CN104454677A (zh) * | 2014-10-29 | 2015-03-25 | 湖南五新重型装备有限公司 | 一种液压油箱 |
CN105041735A (zh) * | 2015-06-25 | 2015-11-11 | 苏州市大力电器有限公司 | 一种液压油箱用隔板 |
JP6394658B2 (ja) * | 2016-07-26 | 2018-09-26 | コベルコ建機株式会社 | 作動油タンク |
JP6680162B2 (ja) * | 2016-09-21 | 2020-04-15 | コベルコ建機株式会社 | 作動油タンク |
DE102018217930A1 (de) * | 2018-10-19 | 2020-04-23 | Robert Bosch Gmbh | Tank für ein hydraulisches Aggregat |
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US2703607A (en) * | 1949-03-25 | 1955-03-08 | Milo R Simmonds | Multiple cell fuel tank arrangement |
US3284991A (en) * | 1963-12-19 | 1966-11-15 | Dow Chemical Co | Ultrasonic degassing of liquids |
CA978324A (en) * | 1972-10-31 | 1975-11-25 | Cominco Ltd. | Casting machine improvement |
US3976124A (en) * | 1974-11-21 | 1976-08-24 | Pettibone Corporation | Cooling-controlled tank for hydraulic fluid |
US4210176A (en) * | 1978-09-14 | 1980-07-01 | J. I. Case Company | Hydraulic liquid reservoir with internal baffle |
JPS57171176U (ja) | 1981-04-22 | 1982-10-28 | ||
JPS59137601A (ja) * | 1983-01-28 | 1984-08-07 | Nissan Motor Co Ltd | 油圧装置用タンク装置 |
JPS59190502A (ja) * | 1983-04-08 | 1984-10-29 | Nissan Motor Co Ltd | リザ−ブタンク |
JPS60107402U (ja) | 1983-12-22 | 1985-07-22 | 株式会社東芝 | 作動油タンク |
JPS61114102U (ja) | 1984-12-28 | 1986-07-18 | ||
DE3643265A1 (de) * | 1986-12-18 | 1988-07-07 | Man Nutzfahrzeuge Gmbh | Oelbehaelter zur oelversorgung von hydraulischen arbeitskreisen mit speicherfunktion und zur wiederaufnahme rueckgeleiteten oeles |
JPH04105604U (ja) * | 1991-02-22 | 1992-09-11 | 株式会社小松製作所 | 作動油タンク |
JPH05321902A (ja) | 1992-05-15 | 1993-12-07 | Hitachi Constr Mach Co Ltd | 作動油タンク装置 |
US6116454A (en) * | 1998-10-01 | 2000-09-12 | Caterpillar Inc. | Hydraulic oil tank with integral baffle |
DE10242050A1 (de) * | 2002-09-11 | 2004-03-25 | Zf Lenksysteme Gmbh | Ölbehälter |
US6913040B2 (en) | 2003-03-24 | 2005-07-05 | Visteon Global Technologies, Inc. | Hydraulic fluid reservoir |
-
2005
- 2005-09-14 KR KR1020077011952A patent/KR100886422B1/ko not_active IP Right Cessation
- 2005-09-14 GB GB0707398A patent/GB2433964B/en not_active Expired - Fee Related
- 2005-09-14 DE DE112005002732.5T patent/DE112005002732B4/de not_active Expired - Fee Related
- 2005-09-14 CN CN2005800358947A patent/CN101076672B/zh not_active Expired - Fee Related
- 2005-09-14 US US11/666,915 patent/US7886768B2/en not_active Expired - Fee Related
- 2005-09-14 JP JP2006542281A patent/JP4615521B2/ja not_active Expired - Fee Related
- 2005-09-14 WO PCT/JP2005/016918 patent/WO2006048976A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JPWO2006048976A1 (ja) | 2008-05-22 |
KR100886422B1 (ko) | 2009-03-02 |
KR20070084593A (ko) | 2007-08-24 |
CN101076672B (zh) | 2011-05-18 |
WO2006048976A1 (ja) | 2006-05-11 |
GB0707398D0 (en) | 2007-05-23 |
DE112005002732T5 (de) | 2008-01-24 |
US7886768B2 (en) | 2011-02-15 |
GB2433964B (en) | 2009-11-25 |
US20080121289A1 (en) | 2008-05-29 |
CN101076672A (zh) | 2007-11-21 |
JP4615521B2 (ja) | 2011-01-19 |
GB2433964A (en) | 2007-07-11 |
DE112005002732B4 (de) | 2016-12-22 |
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