CN1206451A - Pump assembly - Google Patents
Pump assembly Download PDFInfo
- Publication number
- CN1206451A CN1206451A CN97191490A CN97191490A CN1206451A CN 1206451 A CN1206451 A CN 1206451A CN 97191490 A CN97191490 A CN 97191490A CN 97191490 A CN97191490 A CN 97191490A CN 1206451 A CN1206451 A CN 1206451A
- Authority
- CN
- China
- Prior art keywords
- motor
- frequency converter
- carriage
- mentioned
- pump assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000110 cooling liquid Substances 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 239000012224 working solution Substances 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 11
- 239000000428 dust Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000013013 elastic material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
- F04D13/064—Details of the magnetic circuit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
- H02K5/1285—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs of the submersible type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A pump assembly for forcedly driving various liquids including water, comprising a motor pump provided with a space around the stator of a canned motor to conduct a liquid being pumped, a bracket mounted on an external surface of the motor pump, and a frequency converter assembly mounted on the bracket.
Description
Technical field
The present invention relates to pump assembly, the pump assembly of frequency converter particularly is housed.
Background technique
Pump assembly of the prior art is installed in the frequency converter that with the transducer is representative on the electric motor pump, draws the heat that frequency converter produces by pump fluid.For example, in the flat 5-350994 of Japanese Patent Application number (spy opens flat 7-189996 number), disclosed, the structure of transducer has been installed in the outside of the cylindric urceolus of complete all flow pattern pumps.
Open in the pump assembly that discloses for flat 7-189996 number the spy, by transducer being installed in the urceolus outside of complete all flow pattern pumps, the cooling device that can not need transducer cooling usefulness, can realize the miniaturization of transducer, can improve simultaneously frequency by the electric power of transducer supply motor, realize the miniaturization of motor, and, can make the pump miniaturization by the rotation number that increases pump.
But above-mentioned spy opens in the pump assembly that discloses for flat 7-189996 number, has following problem.
1. as the spy open flat 7-189996 number shown in Figure 1, transducer is installed in urceolus when outside, the following box (among Fig. 2 shown in the label 48) of accommodating transducer must be made the special shape that the curvature with urceolus matches.Like this, when being installed in the transducer with identical electrical characteristic on the urceolus with different curvature, just very inconvenient.For example, the spy drives flat 7-189996 number pump shown in Figure 1, is 2 grades of type pumps with 2 impellers, but as required, as the single-stage pump bigger than impeller outer diameter, must shorten the axle direction size of pump.
At this moment, the impeller outer diameter of single-stage is about the spy and opens 1.4 times of flat 7-189996 impeller outer diameter.Therefore, for impeller is contained in the urceolus, must strengthen the diameter of urceolus.That is to say, the following box of some kinds of special shapes to be arranged in order to accommodate transducer.
2. in the spy opens flat 7-189996 number assemble pump shown in Figure 1, because box is weldingly fixed on the urceolus down, so the installation of the inner body of transducer (base and other) must be carried out after the motor stator assemblying body is finished.Therefore, the function validation test of transducer can not be carried out before motor is finished, and must re-assembly when test is defective, increased trouble.
3. in the spy opens flat 7-189996 number assemble pump shown in Figure 1, made pump undue hour, can not guarantee the installing space of transducer for the revolution that increases pump.In addition, motor and pump become small-sized when rotation number increases.In addition, the size of transducer and rotation number are irrelevant, by its electrical capacity and cool condition decision.
The present invention makes in view of the above problems, its purpose is to provide a kind of pump assembly, in this pump assembly, can be easily with the curvature changing of the urceolus of the outside that constitutes motor-drive pump accordingly, assembling frequency converter assemblying body can easily be installed in the frequency converter assemblying body on the motor-drive pump of miniaturization separately.
The summary of the invention summary
To achieve these goals, pump assembly of the present invention, it is characterized in that, have motor-drive pump, be installed in this motor-drive pump outside carriage, be installed in the frequency converter assemblying body on this carriage, on above-mentioned motor-drive pump, be provided with the space of working solution steerable motor stator peripheral part.
Among the present invention, between frequency converter assemblying body and pump urceolus, be provided with carriage.Carriage has the function of regulating installation dimension, and its shape is less than the base of frequency converter assemblying body.Because carriage is little shaped member, so, even how its kind does not hinder producibility yet.
Frequency converter assemblying body of the present invention is made of the frequency converter body that is installed in the carriage upper bed-plate, is installed in cover on the base, surrounded by base and cover.Therefore, can assemble the frequency converter assemblying body individually.Cover and base except when the independent maintenance of frequency converter body, do not need decomposition in principle.That is, frequency converter is installed on the pump or when pump unloaded, height intergrated circuit etc. was not exposed to the outside.Height intergrated circuit and electrical base class are afraid of dust and dust usually, are effectively so make this structure for preventing dust.
In one embodiment of the invention, on above-mentioned carriage, be provided with the hole that motor and frequency converter body is electrically connected usefulness.Like this, can carry out the assembling of frequency converter assemblying body and motor-drive pump without barrier.
In one embodiment of the invention, carriage, base and cover are made with hot good conductor respectively, especially make with aluminum alloy.Because this kind frequency converter is mainly by the pump fluid cooling, so the employing aluminum alloy is well suited for.In addition, owing to use metallic material, so can cover the noise of frequency converter.Especially carriage is a metal, so can cover the higher harmonics noise of 2 sides of frequency converter.
In one embodiment of the invention, on carriage, form the hole of passing through for cooling liquid.Usually, frequency converter is cooled off by working solution.But, for example when working solution is high temperature, can cause the cooling of frequency converter bad.In this case,, other cooling liquid is passed through from the outside, like this, can fully be cooled off frequency converter without barrier because the hole of cooling liquid by usefulness is set on carriage.
In one embodiment of the invention,, be provided with heat transmission and improve material in the gap of above-mentioned motor-drive pump and carriage or in the gap of carriage and base or in the gap of base and cover.When between parts, having the gap, because the air of heat transmitting difference is present in this gap, so cause cooling bad.Therefore, in the gap between parts, the heat transmission improvement material of aqueous silicon etc. is set.
In one embodiment of the invention,, be provided with the sealed member that keeps airtight usefulness between motor-drive pump and the carriage, between carriage and the base and between base and the cover.Like this, water vapor can not invaded in the box of accommodating frequency converter body 48, and this water vapor just can not cooled off and dewfall by pump fluid yet, can not damage frequency converter.
In addition, pump assembly of the present invention, have the motor framework frame that is located at the motor stator peripheral part, and this motor frame urceolus outer circumferential face between form the urceolus of annular space, the pump portion of above-mentioned annular space that working solution is led, be located at above-mentioned outside the fixed mechanism that is used for fixing other parts of cylinder axis direction end; It is characterized in that, the frequency converter assemblying body is fixed on the peripheral part of above-mentioned urceolus, the part of this frequency converter assemblying body is more axially extended than the fixed mechanism that is located at outer cylinder axis direction end.
Among the present invention,, be provided with the fixed mechanism that connects suction casing and discharge shell etc. in the end of the urceolus that constitutes the motor-drive pump outside.Therefore, existing frequency converter when pump is too small-sized, exists the problem of no installing space.And among the present invention,, the frequency converter assemblying body is arranged to so-called height desk-top (high bed formula) for fear of of the installation restriction of this fixed mechanism to frequency converter, avoid disturbing with said fixing mechanism.
The simple declaration of accompanying drawing:
Fig. 1 is a pump assembly embodiment's of the present invention sectional view.
Fig. 2 is II-II line sectional view of Fig. 1.
Fig. 3 is the planimetric map of the carriage in the pump assembly body of the present invention.
The optimal morphology that carries out an invention
Below, explanation pump assembly one embodiment of the present invention sees figures.1.and.2.
Complete all flow pattern motor-drive pumps shown in the present embodiment have pump case 1, are housed in shielding motor 6 in this pump case 1, are fixed on the impeller 8 of main shaft 7 ends of this shielding motor 6.Pump case 1 is connected to the suction casing 3 at these pump case urceolus 2 two ends and discharges shell 4 by pump case urceolus 2, by flange (Off ラ Application ヅ) 61,62 and constitutes. Flange 61,62 constitutes parts such as suction casing 3 and discharge shell 4 is fixed on fixed mechanism on the urceolus 2.Pump case urceolus 2, suction casing 3 and discharge shell 4 and form by sheet metals such as stainless steels.
At the outer side surface of urceolus 2, carriage 45 is installed.Frequency converter assemblying body 50 is installed on the carriage 45.Frequency converter assemblying body 50 by be installed in base 46 on the carriage 45, be installed in cover 47 on the base 46, by base 46 with cover the 47 frequency converter bodies 48 that surround and constitute.
On carriage 45, be formed for and shield the hole 45a that motor 6 and frequency converter body 48 are electrically connected.Carriage 45, base 46 and cover 47, the hot good conductor that is made of aluminum alloy is made respectively.On carriage 45, form cooling liquid by hole 45b, this cooling liquid by hole 45b cooling but the cooling liquid of frequency converter body 48 pass through.
The motor framework side plate 15,16, interlocking that shielding motor 6 has stator 13, be located at the motor framework frame 14 of these stator 13 peripheral parts, be weldingly fixed on 14 liang of open ends of motor framework frame is in the interior perimembranous of stator 13 and be weldingly fixed on shell (キ ャ Application) 17 on the motor framework side plate 15,16.Rotor 18 shrink fit that rotatably are housed in the stator 13 are fixed on the main shaft 7.Between motor framework frame 14 and urceolus 2, form annulus (stream) 40.
In addition, keeping guiding part 11 on the motor framework side plate 16 of shielding motor 6, this guiding part 11 is interior square from radial direction foreign side guiding with fluid.On guiding part 11, fixing the inner casing 12 of accommodating impeller 8.In addition, at the peripheral part of guiding part 11, clamping sealed member 13.
Be provided with bush ring 51 in the inner of guiding part 11, this bush ring 51 slides with the front face (suction oral-lateral) of impeller 8.Inner casing 12 is the shape of main shaft 7 axle heads of topped shielding motor-drive pump 6 for slightly vaulted.Inner casing 12 has guide device 12a, and this guide device 12a is by the pilot valve or volue (the Port リ ュ-ト) constitute of the fluid of guiding impeller 8 discharges.In addition, inner casing 12 has exhaust port 12b at front end.
Below, the bearing periphery of impeller 8 sides is described.
On the bearing bracket 21, be provided with radial bearing 22 and fixed side thrust-bearing 23.The end face of radial bearing 22 also has the function as fixed side thrust slide member.Holding the both sides of radial bearing 22 and fixed side thrust-bearing 23 under the arm, being provided with rotary side thrust slide member is rotary side thrust-bearing 24 and rotary side thrust-bearing 25.Rotary side thrust-bearing 24 is fixed on the thrust disc 26, and this thrust disc 26 is fixed on the main shaft 7 by key.Rotary side thrust-bearing 25 is fixed on the thrust disc 27, and this thrust disc 27 is fixed on the main shaft 7 by key.
The O shape ring 29 that above-mentioned bearing bracket 21 is done by elastic material inserts in the pit (イ Application ロ-) that is located on the motor framework side plate 16.The seal washer 30 that bearing bracket 21 is made by elastic material joins with motor framework side plate 16.In addition, 31 are the sleeves that form radial bearing 22 and slide part among the figure.
Below, the bearing periphery of impeller 8 opposition sides is described.
In addition, welding strut 43 on motor framework frame 14, this strut 43 is fixing by welding with urceolus 2.The rotation number of shielding motor 6 is set at more than the 4000rpm by frequency converter body 48.
Below, the action of complete all flow pattern pumps shown in Figure 1 is described.
Suction pipe is chewed 3a and is connected with suction housing 3, chew the fluid that 3a sucks from this suction pipe, flow in the ring-type stream 40 by suction casing 3, this ring-type stream 40 is formed between the frame urceolus 14 of urceolus 2 and shielding motor 6, fluid, is imported in the impeller 8 by guiding part 11 guidings by this stream 40.From the fluid that impeller 8 is discharged, chew 4a through guide device 12a from the discharge tube that is being connected with housing 4 and discharge.
In the present embodiment, between frequency converter assemblying body 50 and pump case urceolus 2, be provided with carriage 45.Carriage 45 has the function of regulating installation dimension, sets less than the base 46 of frequency converter assemblying body 50.Because carriage 45 is the little parts of shape, so even how its kind does not hinder producibility yet.
As shown in Figure 1, on urceolus 2,2 fixed components 53 burying bolt 52 underground intended distance ground that is separated by is being fixed with welding.As shown in Figure 3, the two ends of carriage 45 form otch 45c.After carriage 45 is entrenched in the otch 45c at its two ends on the fixed component 53,52 be fixed on the urceolus 2 by tighting a bolt with nut 54.
Below, illustrate frequency converter assemblying body 50 is fixed on method on the motor-drive pump.
At first, frequency converter body 48 is housed in base 46 and the cover 47, assembles frequency converter assemblying body 50 separately.After having assembled frequency converter assemblying body 50, analog bracket 45 and frequency converter assembly body 50.Should fixing can carry out as illustrated in fig. 2, that is, from carriage 45 sides bolt 55 is screwed into the base 46 of frequency converter assemblying body 50, this operation can be implemented in the outside of frequency converter assemblying body 50.After having fixed carriage 45 and frequency converter assemblying body 50, the otch 45c of carriage 45 is entrenched on the fixed component 53, nut 54 is screwed on the bolt 52, carriage 45 just is fixed on the urceolus 2 of motor-drive pump.
Like this, frequency converter assemblying body 50 by be installed in base 46 on the carriage 45, be installed in cover 47 on the base 46, by base 46 with cover the 47 frequency converter bodies 48 that surround and constitute.Like this, frequency converter assemblying body 50 can be assembled separately.The fixing of carriage 45 and frequency converter assemblying body 50 can be implemented in the outside of frequency converter assemblying body 50.In addition, can be after having fixed carriage 45 and frequency converter assemblying body 50, the urceolus 2 of analog bracket 45 and motor-drive pump.Cover 47 and base 46 except the independent maintenance of frequency converter body 48, needn't decompose in principle.That is, frequency converter is installed on the pump or when pump unloaded, senior intergrated circuit etc. did not expose the outside.Senior one-tenth circuit and electrical base class are afraid of dust and dust usually, are effectively so make this structure for preventing dust.
In the present embodiment,, on carriage 45, be provided with hole 45a in order to shield motor 6 and frequency converter body 48 is electrically connected.Like this, can carry out the assembling of frequency converter assemblying body 50 and motor-drive pump without barrier.
In the present embodiment, carriage 45, base 46 and cover 47 respectively with hot good conductor, especially make with aluminum alloy.Because this kind frequency converter is mainly by the pump fluid cooling, so the employing aluminum alloy is well suited for.In addition, owing to use metallic material, so can cover the noise of frequency converter.Especially carriage is a metal, so can cover the higher harmonics noise of 2 sides of frequency converter.
In the present embodiment, on carriage 45, form the cooling liquid of passing through for cooling liquid and pass through hole 45b.Usually, frequency converter is cooled off by pump fluid.But, for example when working solution is high temperature, can cause the cooling of frequency converter bad.In this case,, other cooling liquid is passed through from the outside, like this, can fully be cooled off frequency converter without barrier because the hole 45b of cooling liquid by usefulness is set on carriage 45.
In the present embodiment,, be provided with heat transmission and improve material in the gap of the urceolus 2 of motor-drive pump and carriage 45 or in the gap of carriage 45 and base 46 or gap at base 46 and cover 47.When between parts, having the gap, because the air of heat transmitting difference is present in this gap, so cause cooling bad.Therefore, in the gap between parts, the heat transmission improvement material of aqueous silicon etc. is set.
In the present embodiment,, be provided with the sealed member 56,57,58 that keeps airtight usefulness respectively between the urceolus 2 and carriage 45 of motor-drive pump, between carriage 45 and the base 46 and between base 46 and cover 47.Like this, water vapor can not invaded in the box of accommodating frequency converter body 48, and this water vapor just can not cooled off and dewfall by pump fluid yet, can not damage frequency converter.
The fixed mechanism that the pump assembly of present embodiment has motor framework frame 14, urceolus 2, pump portion and is made of flange 61,62.Said motor holster shell body 14 is located at stator 13 peripheral parts of shielding motor 6.Above-mentioned urceolus 2 and motor framework frame 14 outer circumferential faces between form annular space 40.Said pump portion is contained the lead impeller 8 of annular space 40 of working solution.Above-mentioned flange 61,62 is located at the axle direction end of urceolus 2, is used for fixing the parts of suction casing 3 and discharge shell 4 grades.In this pump assembly, frequency converter assemblying body 50 is fixed on the peripheral part of the urceolus 2 of motor-drive pump, and the part of this frequency converter assemblying body 50 is more axially extended than the fixed mechanism that is located at urceolus 2 axle direction ends (61,62).
In the above-mentioned present embodiment, be provided with the fixed mechanism that is made of flange 61,62 in the end of pump case urceolus 2, this flange 61,62 is used to connect suction casing 3 and discharges shell 4 etc.Therefore, existing frequency converter when the too little shape of pump, exists the problem of no installing space.In the present embodiment, to the installation of frequency converter restriction, frequency converter assemblying body 50 is made so-called high desk-top (high bed formula) structure, avoid the interference of the fixed mechanism that constitutes with flange 61,62 for fear of this fixed mechanism.Like this, as long as the part of frequency converter assemblying body 50 is extended than the more past axle direction of fixed mechanism.
As mentioned above, according to the present invention, transducer, motor, pump respectively can miniaturizations, can make very small-sized on the whole pump assembly.
According to the present invention, can assemble the frequency converter assemblying body accordingly separately with the curvature changing of the urceolus that constitutes the motor-drive pump outside, can be easily mounted to the frequency converter assemblying body on the motor-drive pump of miniaturization.
Industry applications
Pump assembly of the present invention, the rotation by impeller invests pressure and speed two aspect energy to liquid, By between housing, as far as possible with the speed energy efficient be transformed to pressure energy, liquid is delivered to eminence from lower. Can force feed comprise water at interior various liquid, can be used for various buildings or chemical industry etc.
Claims (15)
1. pump assembly is characterized in that, have motor-drive pump, be installed in this motor-drive pump outside carriage, be installed in the frequency converter assemblying body on this carriage, on above-mentioned motor-drive pump, be provided with the space of working solution steerable motor stator peripheral part.
2. pump assembly as claimed in claim 1 is characterized in that, the frequency converter body that said frequencies converter groups zoarium has the base that is installed on the above-mentioned carriage, be installed in cover on this base, surrounded by above-mentioned base and cover.
3. pump assembly as claimed in claim 1 or 2 is characterized in that, on above-mentioned carriage, is provided with the hole that described motor and frequency converter body is electrically connected usefulness.
4. as each described pump assembly in the claim 1 to 3, it is characterized in that above-mentioned carriage is made by hot good conductor.
5. as each described pump assembly in the claim 2 to 4, it is characterized in that above-mentioned base is made by hot good conductor.
6. as each described pump assembly in the claim 2 to 5, it is characterized in that above-mentioned cover is made by hot good conductor.
7. as each described pump assembly in the claim 4 to 6, it is characterized in that above-mentioned hot good conductor is an aluminum alloy.
8. as each described pump assembly in the claim 1 to 7, it is characterized in that, above-mentioned motor-drive pump have the motor framework frame that is located at the motor stator peripheral part, and this motor framework frame between form the urceolus of annular space, the lead pump portion of above-mentioned annular space of working solution, the power supply connecting mechanism that motor driven is used is located at the urceolus outside.
9. as each described pump assembly in the claim 1 to 8, it is characterized in that, on above-mentioned carriage, be formed with the but hole passed through of the cooling liquid of frequency converter of cooling.
10. as each described pump assembly in the claim 2 to 9, it is characterized in that,, be provided with heat transmission and improve material in the gap of above-mentioned motor-drive pump and carriage or in the gap of carriage and base or in the gap of base and cover.
11. as each described pump assembly in the claim 2 to 10, it is characterized in that,, be provided with the sealed member that keeps airtight usefulness between motor-drive pump and the carriage, between carriage and the base and between base and the cover.
12., it is characterized in that fixing of above-mentioned carriage and frequency converter assemblying body is to implement in the outside of frequency converter assemblying body as each described pump assembly in the claim 1 to 11.
13. as each described pump assembly in the claim 1 to 12, it is characterized in that, can be after having fixed above-mentioned carriage and frequency converter assemblying body, analog bracket and motor-drive pump.
14. pump assembly, its have the motor framework frame that is located at the motor stator peripheral part, and this motor framework frame outer circumferential face between form the urceolus of annular space, the pump portion of above-mentioned annular space that working solution is led, be located at the fixed mechanism that is used for fixing other parts on the axle direction end of above-mentioned urceolus; It is characterized in that, the frequency converter assemblying body is fixed on the peripheral part of above-mentioned urceolus, the part of this frequency converter assemblying body fixed mechanism than the axle direction end that is located at urceolus is more axially extended.
15. pump assembly as claimed in claim 14 is characterized in that, the rotation number of said pump is more than the 4000rpm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35328095 | 1995-12-28 | ||
| JP353280/1995 | 1995-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1206451A true CN1206451A (en) | 1999-01-27 |
| CN1094178C CN1094178C (en) | 2002-11-13 |
Family
ID=18429771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN971914907A Expired - Fee Related CN1094178C (en) | 1995-12-28 | 1997-01-06 | Pump assembly |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN1094178C (en) |
| AU (1) | AU706634B2 (en) |
| BR (1) | BR9706924A (en) |
| RU (1) | RU2166132C2 (en) |
| WO (1) | WO1997024532A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101410623B (en) * | 2006-03-24 | 2010-12-08 | 西门子公司 | Compressor unit |
| CN101410628B (en) * | 2006-03-24 | 2011-05-25 | 西门子公司 | Compressor unit and assembly method |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001017095A1 (en) * | 1999-08-31 | 2001-03-08 | Ebara Corporation | Motor frame and motor using the motor frame and motor pump |
| JP4803923B2 (en) * | 2001-08-31 | 2011-10-26 | 株式会社鶴見製作所 | Inverter unit for submersible pump |
| JP5396949B2 (en) * | 2009-03-18 | 2014-01-22 | 株式会社島津製作所 | Turbo molecular pump |
| RU171808U1 (en) * | 2016-10-27 | 2017-06-16 | Открытое акционерное общество "Омское машиностроительное конструкторское бюро" | FUEL SUPPLY AND REGULATION SYSTEM FOR GAS-TURBINE ENGINE |
| RU2717484C1 (en) * | 2019-07-24 | 2020-03-23 | Валерий Эдуардович Габдрахимов | Device for cooling electric installations for pump units installed in transfer stations |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2714449B2 (en) * | 1989-08-08 | 1998-02-16 | 株式会社日立製作所 | Variable speed pump system |
| JPH03160199A (en) * | 1989-11-17 | 1991-07-10 | Mitsubishi Electric Corp | Pump device |
| JPH03278993A (en) * | 1990-03-28 | 1991-12-10 | Toppan Printing Co Ltd | Magnetic recording system |
| JPH088317Y2 (en) * | 1991-10-01 | 1996-03-06 | 日機装株式会社 | Canned motor pump |
| JP3115751B2 (en) * | 1993-10-13 | 2000-12-11 | 株式会社荏原製作所 | All circumferential flow canned motor pump |
-
1997
- 1997-01-06 WO PCT/JP1997/000002 patent/WO1997024532A1/en active Application Filing
- 1997-01-06 BR BR9706924A patent/BR9706924A/en not_active IP Right Cessation
- 1997-01-06 AU AU12105/97A patent/AU706634B2/en not_active Ceased
- 1997-01-06 CN CN971914907A patent/CN1094178C/en not_active Expired - Fee Related
- 1997-01-06 RU RU98114495/06A patent/RU2166132C2/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101410623B (en) * | 2006-03-24 | 2010-12-08 | 西门子公司 | Compressor unit |
| CN101410628B (en) * | 2006-03-24 | 2011-05-25 | 西门子公司 | Compressor unit and assembly method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1094178C (en) | 2002-11-13 |
| BR9706924A (en) | 1999-07-20 |
| WO1997024532A1 (en) | 1997-07-10 |
| AU706634B2 (en) | 1999-06-17 |
| RU2166132C2 (en) | 2001-04-27 |
| AU1210597A (en) | 1997-07-28 |
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