WO2013114813A1 - ポンプ装置 - Google Patents
ポンプ装置 Download PDFInfo
- Publication number
- WO2013114813A1 WO2013114813A1 PCT/JP2013/000279 JP2013000279W WO2013114813A1 WO 2013114813 A1 WO2013114813 A1 WO 2013114813A1 JP 2013000279 W JP2013000279 W JP 2013000279W WO 2013114813 A1 WO2013114813 A1 WO 2013114813A1
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- WO
- WIPO (PCT)
- Prior art keywords
- pump
- eccentric
- bearing
- eccentric shaft
- drive shaft
- Prior art date
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Classifications
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- 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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics
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- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/144—Adaptation of piston-rods
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- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Definitions
- the present invention relates to a pump device that sucks and exhausts a pump chamber by reciprocating movement of a piston.
- An oscillating piston pump which is a kind of vacuum pump, is known as a reciprocating pump that alternately performs intake and exhaust of air in a pump chamber by reciprocating a piston in a cylinder. Widely used as a pump.
- This type of pump is press-fitted into the motor, an eccentric shaft arranged eccentrically with respect to the rotation center of the drive shaft of the motor, a connecting rod connected to the piston, and an outer peripheral surface of the eccentric shaft. And a bearing that rotatably connects the eccentric shaft to the connecting rod, and is configured to convert the revolving motion of the eccentric shaft around the drive shaft into a reciprocating movement of the piston (see, for example, Patent Document 1 below) ).
- the conventional eccentric shaft has a solid structure, the press-fitting load of the bearing to the outer peripheral portion of the eccentric shaft is large, and it is difficult to mount the bearing with uniform stress in the circumferential direction.
- the variation in the internal radial gap of the bearing becomes large, and it is not easy to equalize the stress over the entire circumference. Therefore, the bearing is always subjected to a fluctuating load during the pump operation, which causes a problem that the durability of the bearing is lowered and the life of the pump is also reduced.
- an object of the present invention is to provide a pump device having excellent durability.
- a pump device includes a piston, a pump case, a motor, an eccentric member, a rod member, and a first bearing.
- the pump case has a cylinder that houses the piston.
- the motor has a drive shaft and is fixed to the pump case.
- the eccentric member has a hollow eccentric shaft that is connected to the drive shaft and formed eccentric to the rotation center of the drive shaft.
- the rod member has a first end connected to the piston, and a second end formed with a fitting hole for fitting with the eccentric shaft, and rotates the drive shaft. It converts into the reciprocating movement of the piston inside the cylinder.
- the first bearing is mounted between the eccentric shaft and the fitting hole and rotatably supports the eccentric shaft with respect to the rod member.
- a pump device includes a piston, a pump case, a motor, an eccentric member, a rod member, and a first bearing.
- the pump case has a cylinder that houses the piston.
- the motor has a drive shaft and is fixed to the pump case.
- the eccentric member has a hollow eccentric shaft that is connected to the drive shaft and formed eccentric to the rotation center of the drive shaft.
- the rod member has a first end connected to the piston, and a second end formed with a fitting hole for fitting with the eccentric shaft, and rotates the drive shaft. It converts into the reciprocating movement of the piston inside the cylinder.
- the first bearing is mounted between the eccentric shaft and the fitting hole and rotatably supports the eccentric shaft with respect to the rod member.
- the eccentric shaft since the eccentric shaft has a hollow structure, the eccentric shaft is easily deformed in the axial direction (radial direction), and the press-fit load of the first bearing on the outer peripheral surface of the eccentric shaft is reduced. be able to. Thereby, the variation of the internal radial gap of the first bearing can be reduced, and the uniformity of stress over the entire circumference of the bearing can be improved. Therefore, according to the said pump apparatus, durability of a 1st bearing can be improved and the lifetime of a pump apparatus can be improved.
- the eccentric member may further include a base block having a first surface on which a connecting hole connected to the drive shaft is formed and a second surface on which the eccentric shaft is formed.
- the pump device in the above configuration may further include a second bearing that is fixed to the pump case and rotatably supports the drive shaft.
- a second bearing that is fixed to the pump case and rotatably supports the drive shaft.
- the eccentric member may be formed of a sintered body. Thereby, it becomes possible to stably obtain an eccentric member having excellent shape accuracy and having the required mechanical strength.
- the pump device may further include a counterweight attached to the eccentric member and rotating together with the eccentric member.
- FIG. 1 is an overall perspective view showing a pump device according to an embodiment of the present invention.
- the pump device 1 of the present embodiment includes a first pump unit 11, a second pump unit 12, and a drive unit 13 that drives the first pump unit 11 and the second pump unit 12 in common.
- the first pump unit 11 is configured as a pressure pump (pressure pump), and the second pump unit 12 is configured as a vacuum pump.
- both the pump units 11 and 12 may be configured as vacuum pumps, You may comprise as a pressurization pump (pressure
- the pump device 1 is used, for example, as a gas pressure booster in a fuel cell system.
- the first and second pump parts 11 and 12 typically have a common configuration, and in this embodiment, are configured as swing piston pumps.
- the first and second pump units 11 and 12 may be configured as other reciprocating pumps such as a diaphragm pump.
- the pump device 1 includes a first casing 101 that constitutes a part of the first pump unit 11, a second casing 102 that constitutes a part of the second pump unit 12, and a part of the drive unit 13.
- a pump case 100 including a third casing 103 is provided.
- FIG. 2 is a vertical cross-sectional view showing a partial configuration of the first pump unit 11 and the drive unit 13.
- an X axis, a Y axis, and a Z axis indicate three axial directions that are orthogonal to each other.
- the 2nd pump part 12 is comprised similarly to the 1st pump part 11, the 1st pump part 11 is mainly demonstrated here.
- the first pump unit 11 includes a first casing 101, a piston 21, a connecting rod 22 (rod member), and an eccentric member 23.
- the first casing 101 includes a case main body 110, a cylinder 111, a pump head 112, and a pump head cover 113.
- the case body 110, the cylinder 111, the pump head 112, and the pump head cover 113 are integrated with each other so as to be stacked in the Z-axis direction.
- the case body 110 is connected to the third casing 103 that houses the motor M, and has a through hole 110h through which the connecting rod 22 passes.
- the case main body 110 includes a fixed portion 110 a that fixes a bearing 32 (second bearing) that rotatably supports the drive shaft 131 of the motor M, and a cylindrical portion 110 b that accommodates the coil 132 of the motor M.
- the bearing 32 is disposed between the main body of the motor M and the eccentric member 23.
- the cylinder 111 is disposed between the case main body 110 and the pump head 112, and accommodates the piston 21 slidably in the Z-axis direction.
- the pump head 112 is disposed between the cylinder 111 and the pump head cover 113, and includes an intake valve 112a and an exhaust valve 112b.
- the pump head cover 113 is disposed on the pump head 112 and has an intake chamber 113a that communicates with the intake port 114a and an exhaust chamber 113b that communicates with the exhaust port 114b. As shown in FIG. 1, the intake port 114 a and the exhaust port 114 b are provided on the side surfaces of the pump portions 11 and 12 that face each other.
- the piston 21 has a disk shape, and is fixed to the first end 221 of the connecting rod 22 via a screw member 25.
- the piston 21 forms a pump chamber 26 between the piston 21 and the pump head 112.
- the piston 21 reciprocates in the direction parallel to the Z-axis direction inside the cylinder 111 and alternately sucks and exhausts the pump chamber 26 via the intake valve 112a and the exhaust valve 11b, thereby performing a predetermined pump action.
- FIG. 3 and 4 are a longitudinal sectional view and a perspective view showing a connection state between the connecting rod 22 and the eccentric member 23.
- the connecting rod 22 connects the piston 21 and the eccentric member 23 to each other.
- the connecting rod 22 has a first end 221 connected to the piston 21 and a second end 222 connected to the eccentric member 23.
- the first end 221 is formed in a circular shape having substantially the same diameter as the piston 21.
- a disc-shaped seal member 24 is attached between the piston 21 and the first end 221. The peripheral portion of the seal member 24 is bent toward the pump chamber 26 so as to be slidable on the inner peripheral surface of the cylinder 111.
- the peripheral edge of the sealing member is bent to the side opposite to the pump chamber side.
- a fitting hole 222a for fitting with the eccentric shaft 232 of the eccentric member 23 is formed in the second end portion 222 of the connecting rod 22, a fitting hole 222a for fitting with the eccentric shaft 232 of the eccentric member 23 is formed.
- a bearing 31 (first bearing) that rotatably supports the eccentric shaft 232 is mounted in the fitting hole 222a.
- FIG. 5 is a front view of the eccentric member 23 viewed from the Y-axis direction
- FIG. 6 is a cross-sectional view taken along the line AA in FIG. 5, and FIG.
- the eccentric member 23 connects the drive shaft 131 of the motor M accommodated in the third casing 103 and the connecting rod 22 to each other.
- the base block 230 has a substantially cylindrical base block 230.
- the base block 230 has a first surface 230a in which a connection hole 231 connected to the drive shaft 131 is formed, and a second surface 230b in which an eccentric shaft 232 is formed.
- the eccentric member 23 is formed integrally with the eccentric shaft 232, and in the present embodiment, is constituted by a sintered body of metal powder, ceramic powder, or a mixed powder thereof.
- the base block 230 uses an iron-based material as a powder material.
- connection hole 231 is configured by a circular bottomed hole formed at the center of the first surface 230a of the base block 230.
- the drive shaft 131 is inserted into the connection hole 231 along the Y-axis direction, and is connected to the connection hole 231 by a fixing screw 41 that is screwed into a first screw hole H1 formed on the side peripheral surface of the base block 230. .
- the eccentric shaft 232 is formed on the second surface 230b of the base block 230 so as to be eccentric with respect to the rotation center of the drive shaft 131 (center of the eccentric member 23).
- the eccentric shaft 232 has a cylindrical shape having a hollow portion 232a.
- the thickness of the eccentric shaft 232 is appropriately set according to the type of pump, the size of the load, etc., and the ratio of the thickness to the outer diameter of the eccentric shaft 232 is, for example, 0.1 to 0.2. .
- the bearing 31 is mounted between the eccentric shaft 232 and the fitting hole 222 a of the connecting rod 22, and supports the eccentric shaft 232 so as to be rotatable with respect to the connecting rod 22.
- the bearings 31 and 32 are constituted by an annular ball bearing having an inner ring (inner race), an outer ring (outer race), and a plurality of rolling elements (spheres) enclosed between them.
- the inner ring 31a is fixed to the outer peripheral surface of the eccentric shaft 232 by press-fitting
- the outer ring 31b is fixed to the inner peripheral surface of the fitting hole 222a by press-fitting, and a plurality of spaces are provided between the inner ring 31a and the outer ring 31b.
- the rolling element 31c is accommodated.
- the first pump unit 11 further has a counterweight 50.
- the counterweight 50 is fixed to the side peripheral portion of the eccentric member 23 by a fixing screw 42 that is screwed into a second screw hole H2 formed on the side peripheral surface of the base block 230.
- the counterweight 50 is for canceling vibration generated when the connecting rod 22 rotates about the eccentric shaft 232 due to the rotation of the drive shaft 131. Is arranged at a position biased in the opposite direction.
- the second pump unit 12 is configured in the same manner as the first pump unit 11.
- the second pump unit 12 is driven by a common motor M simultaneously with the first pump unit 11.
- the drive shaft 131 extends to the second pump unit 12 side and is connected to an eccentric shaft (not shown) of the second pump unit 12.
- the first pump unit 11 and the second pump unit 12 are driven with different phases.
- the eccentric shafts of the pump parts 11 and 12 are set so that the piston of the second pump part 12 is located at the bottom dead center when the piston 21 of the first pump part 11 is located at the top dead center. Is done.
- the eccentric member 23 rotates around the drive shaft 131 by driving the motor M, so that the eccentric shaft 232 has a radius corresponding to the eccentric amount from the drive shaft 131 along the circumference of the drive shaft 131. Revolve around.
- the connecting rod 22 connected to the eccentric shaft 232 converts the rotation of the drive shaft 131 into the reciprocating movement of the piston 21 inside the cylinder 111. That is, the piston 21 reciprocates in the Z-axis direction while swinging in the X-axis direction in FIG. As a result, the intake and exhaust of the pump chamber 26 are alternately performed, whereby a predetermined boosting action by the first pump unit 11 is obtained. On the other hand, in the second pump unit 12, a predetermined evacuation action is obtained.
- the bearing 31 mounted between the eccentric shaft 232 and the connecting rod 22 is always subjected to a variable load. Improving the durability of the bearing 31 greatly affects the life of the pump device 1.
- the variation in load applied to the bearing 31 increases as the variation in the clearance (the bearing internal radial clearance) over the entire circumference between the inner ring and the outer ring increases. Therefore, in order to increase the durability of the bearing, it is necessary to reduce the variation in the gap.
- FIG. 1 a configuration example of an eccentric member in a pump device having a conventional structure is shown in FIG.
- the eccentric shaft 71 of the eccentric member 70 according to the comparative example has a solid columnar structure.
- the bearing press-fit load on the outer peripheral portion of the eccentric shaft 71 is large, and it is difficult to mount the bearing with uniform stress in the circumferential direction.
- the variation in the radial gap inside the bearing becomes large, and it is not easy to make the stress uniform over the entire circumference.
- tolerance management is performed at, for example, 10/1000, sufficient improvement cannot be expected.
- the eccentric shaft 232 has a hollow structure, so that the eccentric shaft 232 can be easily deformed in the axial direction (radial direction), and the outer circumferential surface of the eccentric shaft 232 It is possible to reduce the press-fitting load of the bearing 31 and to reduce the force of expanding the inner ring 31a outward. Thereby, the variation of the internal radial clearance of the bearing 31 can be reduced, and the uniformity of stress over the entire circumference of the bearing 31 can be improved.
- FIG. 9 is a result of an experiment showing the relationship between the internal radial clearance (horizontal axis) of the bearing and the life of the bearing (vertical axis) by comparing a solid structure eccentric shaft and a hollow structure eccentric shaft. is there.
- the life on the vertical axis (Life ⁇ ⁇ Ratio) is the relative value of the life when the internal radial clearance (Radial clearance) is an appropriate value (0.000) as a reference. When it is large, it is expressed as positive, and when it is smaller than the appropriate value, it is expressed as negative.
- the service life decreases as the internal radial clearance deviates from the appropriate value.
- the clearance between the inner ring and the outer ring is smaller than the proper value, it is larger than the proper value.
- the rate of life reduction is large. This indicates that the greater the pressure that the inner ring receives radially outward when the bearing is pressed into the eccentric shaft, the greater the influence on the bearing life.
- C ⁇ b> 1 shows the variation of the bearing internal radial clearance in the eccentric shaft of the solid structure according to the comparative example
- C ⁇ b> 2 shows the variation of the bearing internal radial clearance in the eccentric shaft of the hollow structure according to the present embodiment.
- L1 represents the variation in the bearing life of the eccentric shaft having the solid structure according to the comparative example
- L2 represents the variation in the bearing life of the eccentric shaft having the hollow structure according to the present embodiment.
- the variation in the radial clearance inside the bearing can be reduced, and the compressive stress on the radially outer side of the inner ring at the time of press-fitting can be reduced, so that an ideal radial clearance can be obtained. Can be realized. As a result, the expected bearing life can be secured stably, so that the life of the pump device can be increased.
- the eccentric shaft 232 is formed on the eccentric member 23 which is a separate member from the drive shaft 131 and the connecting rod 22, the assembly workability of the drive shaft 131 and the connecting rod 22 is improved.
- the length of the drive shaft 131 can be shortened. Therefore, the load of the bearing 32 that supports the drive shaft 131 can be reduced, and the life of the pump device 1 can be further improved.
- the eccentric member 23 is made of a sintered body, it is possible to stably obtain the eccentric member 23 having excellent shape accuracy and having necessary mechanical strength.
- a high melting point material or a plurality of types of materials that do not dissolve in each other can be used, the range of material selection can be expanded.
- the pump device that drives the first pump unit 11 and the second pump unit 12 with the common drive unit 13 has been described as an example, but the pump device having a single pump unit is described. It is possible to apply to the same.
- the eccentric member 23 is formed of a sintered body, but is not limited thereto, and may be formed of a cast or die cast part. Such a configuration can also reduce the variation in the internal radial clearance of the bearing and improve the bearing life.
- the pump device according to the present invention is not limited to the oscillating piston type pump but can be similarly applied to other reciprocating pumps such as a diaphragm pump.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Reciprocating Pumps (AREA)
Abstract
Description
上記ポンプケースは、上記ピストンを収容するシリンダを有する。
上記モータは、駆動軸を有し、上記ポンプケースに固定される。
上記偏芯部材は、上記駆動軸に連結され、上記駆動軸の回転中心に対して偏芯して形成された中空の偏芯軸を有する。
上記ロッド部材は、上記ピストンに接続される第1の端部と、上記偏芯軸と嵌合する嵌合孔が形成された第2の端部と、を有し、上記駆動軸の回転を上記シリンダ内部における上記ピストンの往復移動に変換する。
上記第1のベアリングは、上記偏芯軸と上記嵌合孔との間に装着され、上記ロッド部材に対して上記偏芯軸を回転可能に支持する。
上記ポンプケースは、上記ピストンを収容するシリンダを有する。
上記モータは、駆動軸を有し、上記ポンプケースに固定される。
上記偏芯部材は、上記駆動軸に連結され、上記駆動軸の回転中心に対して偏芯して形成された中空の偏芯軸を有する。
上記ロッド部材は、上記ピストンに接続される第1の端部と、上記偏芯軸と嵌合する嵌合孔が形成された第2の端部と、を有し、上記駆動軸の回転を上記シリンダ内部における上記ピストンの往復移動に変換する。
上記第1のベアリングは、上記偏芯軸と上記嵌合孔との間に装着され、上記ロッド部材に対して上記偏芯軸を回転可能に支持する。
これにより駆動軸とロッド部材との組み立て作業性を高めることができると共に、モータの駆動軸の長さを短くすることができる。
上述のようにモータの駆動軸が短くなる結果、当該駆動軸を支持する第2のベアリング部材に加わる負荷が軽減され、これによりポンプ装置の寿命をより一層向上させることができる。
これにより、形状精度に優れ、かつ必要な機械的強度を有する偏芯部材を安定して得ることが可能となる。
これによりモータの回転による振動の発生を抑制することができると共に、ポンプ装置の安定した吸排気動作を確保することができる。
図1は、本発明の一実施形態に係るポンプ装置を示す全体斜視図である。
11…第1のポンプ部
12…第2のポンプ部
13…駆動部
21…ピストン
22…コネクティングロッド
23…偏芯部材
31…ベアリング
50…カウンタウェイト
100…ポンプケース
111…シリンダ
131…駆動軸
231…連結孔
232…偏芯軸
M…モータ
Claims (5)
- ピストンと、
前記ピストンを収容するシリンダを有するポンプケースと、
駆動軸を有し、前記ポンプケースに固定されたモータと、
前記駆動軸に連結され、前記駆動軸の回転中心に対して偏芯して形成された中空の偏芯軸を有する偏芯部材と、
前記ピストンに接続される第1の端部と、前記偏芯軸と嵌合する嵌合孔が形成された第2の端部と、を有し、前記駆動軸の回転を前記シリンダ内部における前記ピストンの往復移動に変換するロッド部材と、
前記偏芯軸と前記嵌合孔との間に装着され、前記ロッド部材に対して前記偏芯軸を回転可能に支持する第1のベアリングと
を具備するポンプ装置。 - 請求項1に記載のポンプ装置であって、
前記偏芯部材は、前記駆動軸と連結される連結孔が形成された第1の面と、前記偏芯軸が形成された第2の面とを有するベースブロックを、さらに有する
ポンプ装置。 - 請求項2に記載のポンプ装置であって、
前記ポンプケースに固定され、前記駆動軸を回転可能に支持する第2のベアリングをさらに具備する
ポンプ装置。 - 請求項2に記載のポンプ装置であって、
前記偏芯部材は、焼結体で構成される
ポンプ装置。 - 請求項1~4のいずれか1項に記載のポンプ装置であって、
前記偏芯部材に取り付けられ、前記偏芯部材と共に回転するカウンタウェイトをさらに具備する
ポンプ装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201380006780.4A CN104081051A (zh) | 2012-01-31 | 2013-01-22 | 泵装置 |
DE112013000763.0T DE112013000763T5 (de) | 2012-01-31 | 2013-01-22 | Pumpenvorrichtung |
KR1020147019453A KR20140102753A (ko) | 2012-01-31 | 2013-01-22 | 펌프 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2012-019202 | 2012-01-31 | ||
JP2012019202 | 2012-01-31 |
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WO2013114813A1 true WO2013114813A1 (ja) | 2013-08-08 |
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PCT/JP2013/000279 WO2013114813A1 (ja) | 2012-01-31 | 2013-01-22 | ポンプ装置 |
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JP (1) | JPWO2013114813A1 (ja) |
KR (1) | KR20140102753A (ja) |
CN (1) | CN104081051A (ja) |
DE (1) | DE112013000763T5 (ja) |
TW (1) | TW201402946A (ja) |
WO (1) | WO2013114813A1 (ja) |
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CN110425122A (zh) * | 2019-09-05 | 2019-11-08 | 缘循智能科技(上海)有限公司 | 一种正负压两用微型气泵 |
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- 2013-01-22 WO PCT/JP2013/000279 patent/WO2013114813A1/ja active Application Filing
- 2013-01-22 DE DE112013000763.0T patent/DE112013000763T5/de not_active Withdrawn
- 2013-01-22 CN CN201380006780.4A patent/CN104081051A/zh active Pending
- 2013-01-22 JP JP2013556242A patent/JPWO2013114813A1/ja active Pending
- 2013-01-25 TW TW102102940A patent/TW201402946A/zh unknown
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CN114776566A (zh) * | 2022-03-28 | 2022-07-22 | 西北核技术研究所 | 一种基于多腔体可变容积的低漏率循环泵 |
CN114776566B (zh) * | 2022-03-28 | 2023-12-15 | 西北核技术研究所 | 一种基于多腔体可变容积的低漏率循环泵 |
Also Published As
Publication number | Publication date |
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TW201402946A (zh) | 2014-01-16 |
DE112013000763T5 (de) | 2015-08-27 |
JPWO2013114813A1 (ja) | 2015-05-11 |
KR20140102753A (ko) | 2014-08-22 |
CN104081051A (zh) | 2014-10-01 |
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