CN205714753U - A kind of screw compressor with support oil-guide device - Google Patents
A kind of screw compressor with support oil-guide device Download PDFInfo
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- CN205714753U CN205714753U CN201620625501.3U CN201620625501U CN205714753U CN 205714753 U CN205714753 U CN 205714753U CN 201620625501 U CN201620625501 U CN 201620625501U CN 205714753 U CN205714753 U CN 205714753U
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- oil
- oil guide
- pump
- bent axle
- screw compressor
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Abstract
The utility model discloses a kind of screw compressor with support oil-guide device, including compressor housing and bent axle, bent axle is arranged in compression case body, the top of bent axle is provided with scroll plate assembly, the middle part of bent axle is provided with electric machine assembly, the bottom of bent axle is provided with support oil-guide device, support oil-guide device includes electromagnetic pump, Oil Guide dish and Oil Guide frame, Oil Guide dish is installed on the bottom of bent axle, Oil Guide dish connects Oil Guide frame, the middle part of Oil Guide frame is connected with Oil Guide connecting leg, Oil Guide connecting leg connects electromagnetic pump, electromagnetic pump is connected with oil inlet pipe, electromagnetic pump includes oil pump case, pump ditch and electromagnetic assembly, pump ditch is arranged in oil pump case, pump ditch connects electromagnetic assembly.This machine construction is simple, science facility, reliability height, low cost, lubricating quality are good, solves the lubrication Oil Guide problem of screw compressor well.
Description
Technical field
The utility model relates to a kind of screw compressor with support oil-guide device.
Background technology
Screw compressor is a kind of new and effective fluid machinery after piston compressor and helical-lobe compressor, because of it
Efficiency is high, volume is little, light weight and be widely used in refrigeration and the field such as air-conditioning and heat pump.Due to scroll compression
Machine is frequently utilized in the particular surroundings such as aviation, refrigeration and air-conditioning, therefore, it is desirable to it is high, energy-conservation, anti-that compressor has efficiency
The features such as interference performance is strong, compact conformation, lightweight, damping performance good, capacity adjustment wide ranges.Its main structure includes one
Fixed scroll and a movable orbiting scroll, fixed scroll and movable orbiting scroll are both provided with vortex crimping, and fixed scroll is fixedly mounted in frame, and moves
Whirlpool dish is on the eccentric axle head being arranged on drive shaft end, and the ring-type ledge being fitted in frame housing by cross pin ring
On, the internal cavity of frame is divided into frame inner chamber and frame exocoel by ring-type ledge.During compressor operation, movable orbiting scroll is by bias
The driving of axle head is simultaneously retrained by cross pin ring, makees translation rotation, and the vortex crimping of two dishes engages configuration in opposite directions, by contracting successively
The little multiple discharge chambes being formed between mutual crimping, compression enters the fluid in screw compressor.
Internal at present scroll compressor moves vortex and ibid supporting surface contact to rub when running well, lubricating oil to be made leads to
Cross supporting surface with lubrication friction face, got rid of by the passive vortex of the oil of upper supporting surface and formed mist of oil, brought into scroll plate by working medium,
The oil spitting amount making compressor strengthens, and when operating in a high frequency, compressor can oil starvation.Existing solution is many in compressor inside
Inject refrigeration oil, observe the extreme lower position of pasta when operating in a high frequency, also will not oil starvation impact inside compressor when making steady running
Mechanical part lubricates, but so when low frequency operates, the trapped fuel amount in compressor can be too much.Trapped fuel space to be made is sufficiently large, needs
Increase compressor volume, waste material, strengthen cost.When operating in a high frequency, oil spitting amount is big, and in causing heat exchanger, oil mass increases,
Affect heat exchange, make whole system efficiency reduce.
Utility model content
The purpose of this utility model is to provide a kind of screw compressor with support oil-guide device, this machine construction letter
List, science facility, reliability height, low cost, lubricating quality are good, solve the lubrication Oil Guide problem of screw compressor well.
In order to solve above-mentioned technical problem, adopt the following technical scheme that
A kind of screw compressor with support oil-guide device, including compressor housing and bent axle, bent axle is arranged at compression
In casing body, the top of bent axle is provided with scroll plate assembly, and the middle part of bent axle is provided with electric machine assembly, and the bottom of bent axle is provided with support and leads
Oil device, it is characterised in that: support oil-guide device includes electromagnetic pump, Oil Guide dish and Oil Guide frame, and Oil Guide dish is installed on bent axle
Bottom, Oil Guide dish connects Oil Guide frame, and the middle part of Oil Guide frame is connected with Oil Guide connecting leg, and Oil Guide connecting leg connects electromagnetic pump, electromagnetic
Pump is connected with oil inlet pipe, and electromagnetic pump includes oil pump case, pump ditch and electromagnetic assembly, and pump ditch is arranged in oil pump case, pump ditch
Connect electromagnetic assembly.By arranging electromagnetic pump in the bottom of bent axle, one end of electromagnetic pump connects Oil Guide dish and Oil Guide frame, electricity
The other end of magnetic oil pump connects extra-organismal grease-box.When starting electromagnetic pump, by the effect of electromagnetic assembly, lubricating oil
Being entered in pump ditch by grease-box, and being entered on Oil Guide dish by oil inlet pipe, the effect finally by Oil Guide dish will lubricate
Oil is flowed in the oilhole of bent axle, thus spreads all over each parts of screw compressor, is achieved in the greaser of complete machine
Make.This support oil-guide device is strictly controlled oil inlet quantity by electromagnetic pump, makes the trapped fuel on Oil Guide dish will not too much also will not be too
Few, just can meet the lubricants capacity of screw compressor need of work, constant compression machine performance, raising compressor operating are reliable
Property, by all built-in for lubricant passage way, outside compressor, lubricant passage way only has an entrance, compressor tailored appearance, lubrication
Oil circuit is simply clear, and internal lubrication oil circuit is all opened in inside compressor, and not by external pipe and impurity effect, lubricating oil supplies
To reliable and stable, therefore screw compressor operating obtains Reliable guarantee, has that simple in construction, reliability be high and the spy of low cost
Point.
Further, the excircle of Oil Guide dish is provided with annular protrusion, and annular protrusion and Oil Guide dish are formed with oil guide groove.Oil Guide
A part of lubricating oil can be stored in groove, when being lubricated work, make lubricating oil be rapidly introduced into the interior of screw compressor
In portion's parts, it is achieved lubrication work.In addition, the lubricating oil splashing in greasing can all flow to oil guide groove
In, improve the cleaning of internal body.
Further, the center of Oil Guide dish is provided with Oil Guide dish boss, and the center of Oil Guide dish boss is provided with Oil Guide disk hole, Oil Guide dish
Hole matches with bent axle, and the side of Oil Guide dish boss is provided with side through hole, and the side connection Oil Guide disk hole of side through hole, side leads to
The opposite side connection oil guide groove in hole.Connected the oilhole (being not drawn in figure) of bent axle by Oil Guide disk hole, make lubricating oil permissible
Quickly spreading all over the parts of body, connecting oil guide groove by side through hole, the lubricating oil that a part is back on Oil Guide dish is permissible
Come back in oil guide groove, carry out secondary use.
Further, the excircle of Oil Guide frame is provided with installation projection, installs projection and is provided with installation through hole, installs in through hole
It is provided with installation screw.By installing screw and installing projection, Oil Guide frame can well be fixedly installed in compressor housing
On inside.
Further, the center of Oil Guide frame is provided with Oil Guide frame boss, and Oil Guide frame boss is provided with Oil Guide frame aperture, Oil Guide frame aperture with lead
Oil connecting leg matches.Connect Oil Guide connecting leg by Oil Guide frame aperture, enter into the lubricating oil in Oil Guide connecting leg and first pass through Oil Guide frame aperture
Enter on Oil Guide dish, thus connect whole oil circuit.
Further, one end of pump ditch is provided with oil-in, and oil-in connects oil inlet pipe, and the other end of pump ditch is provided with oil-out,
Oil-out connects Oil Guide connecting leg.
Further, electromagnetic assembly includes pole plate, plane iron core and coil, and pole plate is fixedly installed on pump ditch, and coil is wound around
On plane iron core, coil is connected with electrode wires, and electrode wires connects pole plate.Electromagnetic assembly passes through the effect of plane iron core and coil
Producing travelling-magnetic-field, the lubricating oil of pump ditch cutting magnetic line induced current in travelling-magnetic-field, this electric current can promote lubricating oil stream
Dynamic.It at pump ditch both sides leptoprosopy, the positive plate of well conducting and negative plate is set as wall, the induced current of lubricating oil can be strengthened,
Strengthen thrust.
Further, plane iron core includes plane iron core and lower plane iron core, and upper plane iron core is positioned at the upside of pump ditch, under
Plane iron core is positioned at the downside of pump ditch, and upper plane iron core is provided with winding slot, is provided with coil, lower plane iron core in upper winding slot
It is provided with lower winding slot, in lower winding slot, be provided with coil.
Further, pole plate includes positive plate and negative plate, and positive plate is installed on the side of pump ditch, and negative plate is installed on pump ditch
Opposite side.
Further, electrode wires includes positive electricity polar curve and negative electrode wire, and one end of positive electricity polar curve connects positive plate, positive electricity polar curve
The other end be connected with power supply, one end of negative electrode wire connects negative plate, and the other end of negative electrode wire connects coil, and coil connects
Power supply.
Owing to using technique scheme, have the advantages that
The utility model is a kind of screw compressor with support oil-guide device, this machine construction is simple, science convenient,
Reliability height, low cost, lubricating quality are good, solve the lubrication Oil Guide problem of screw compressor well.By at bent axle
Bottom arranges electromagnetic pump, and one end of electromagnetic pump connects Oil Guide dish and Oil Guide frame, and the other end of electromagnetic pump connects outside body
Grease-box.When starting electromagnetic pump, by the effect of electromagnetic assembly, lubricating oil is entered in pump ditch by grease-box,
And entered on Oil Guide dish by oil inlet pipe, finally by the effect of Oil Guide dish, lubricating oil is flowed into the oilhole of bent axle
In, thus spread all over each parts of screw compressor, it is achieved in the lubrication work of complete machine.This support oil-guide device is by electricity
Magnetic oil pump strictly controls oil inlet quantity, makes the trapped fuel on Oil Guide dish also just will not will not can meet scroll compression very little too much
The lubricants capacity of machine need of work, constant compression machine performance, the compressor operating reliability that improves, lubricant passage way is all built-in,
Outside compressor, lubricant passage way only has an entrance, compressor tailored appearance, and lubricant passage way is simply clear, internal lubrication
Oil circuit is all opened in inside compressor, and not by external pipe and impurity effect, lubricating oil supply is reliable and stable, therefore scroll compression
The operating of contracting machine obtains Reliable guarantee, has the feature of simple in construction, reliability height and low cost.
A part of lubricating oil can be stored in oil guide groove, when being lubricated work, make lubricating oil be rapidly introduced into whirlpool
In the inner components of rotation compressor, it is achieved lubrication work.In addition, the lubricating oil splashing in greasing can be whole
Flow in oil guide groove, improve the cleaning of internal body.Connected the oilhole (being not drawn in figure) of bent axle by Oil Guide disk hole,
Making lubricating oil can quickly spread all over the parts of body, connecting oil guide groove by side through hole, a part is back on Oil Guide dish
Lubricating oil can come back in oil guide groove, carry out secondary use.
By installing screw and installing projection, Oil Guide frame can well be fixedly installed in the inside of compressor housing
On.Connect Oil Guide connecting leg by Oil Guide frame aperture, enter into the lubricating oil in Oil Guide connecting leg and first pass through Oil Guide frame aperture and enter into Oil Guide
On dish, thus connect whole oil circuit.
Electromagnetic assembly passes through plane iron core and the effect of coil produces travelling-magnetic-field, and the lubricating oil of pump ditch is in travelling-magnetic-field
Cutting magnetic line induced current, this electric current can promote lubricating oil flow.The positive plate of well conducting is set at pump ditch both sides leptoprosopy
With negative plate as wall, the induced current of lubricating oil can be strengthened, strengthen thrust.
Brief description
The utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of a kind of screw compressor with support oil-guide device in the utility model；
Fig. 2 is the internal structure schematic diagram of electromagnetic pump in the utility model；
Fig. 3 is the structural representation that the utility model midplane iron core is connected with pump ditch；
Fig. 4 is the structural representation of electromagnetic assembly in the utility model；
Fig. 5 is the structural representation of Oil Guide frame in the utility model；
Fig. 6 is the structural representation of Oil Guide dish in the utility model.
In figure: 1-compressor housing；2-bent axle；3-scroll plate assembly；4-electric machine assembly；5-support oil-guide device；6-electricity
Magnetic oil pump；7-Oil Guide dish；8-Oil Guide frame；9-annular protrusion；10-oil guide groove；11-Oil Guide dish boss；12-Oil Guide disk hole；13-side
Face through hole；14-installs projection；15-installs through hole；16-Oil Guide frame boss；17-Oil Guide frame aperture；18-oil pump case；19-pump ditch；
20-Oil Guide connecting leg；21-oil inlet pipe；22-oil-in；23-oil-out；24-upper plane iron core；The upper winding slot of 25-；26-lower plane
Iron core；Winding slot under 27-；28-coil；29-positive plate；30-negative plate；31-positive electricity polar curve；32-negative electrode wire；33-power supply；
34-installs screw.
Detailed description of the invention
As shown in Figures 1 to 6, a kind of screw compressor with support oil-guide device, including compressor housing 1 and bent axle
2, bent axle 2 is arranged in compressor housing 1, and the top of bent axle 2 is provided with scroll plate assembly 3, and the middle part of bent axle 2 is provided with electric machine assembly
4, the bottom of bent axle 2 is provided with support oil-guide device 5.Support oil-guide device 5 includes electromagnetic pump the 6th, Oil Guide dish 7 and Oil Guide frame 8, leads
Food tray 7 is installed on the bottom of bent axle 2, and Oil Guide dish 7 connects Oil Guide frame 8, and the middle part of Oil Guide frame 8 is connected with Oil Guide connecting leg 20, Oil Guide
Connecting leg 20 connects electromagnetic pump 6, and electromagnetic pump 6 is connected with oil inlet pipe 21.Electromagnetic pump 6 includes oil pump case the 18th, pump ditch 19 and
Electromagnetic assembly, pump ditch 19 is arranged in oil pump case 18, and pump ditch 19 connects electromagnetic assembly.One end of pump ditch 19 is provided with oil-in
22, oil-in 22 connects oil inlet pipe 21, and the other end of pump ditch 19 is provided with oil-out 23, and oil-out 23 connects Oil Guide connecting leg 20.
The excircle of Oil Guide dish 7 is provided with annular protrusion 9, and annular protrusion 9 and Oil Guide dish 7 are formed with oil guide groove 10.Oil Guide
A part of lubricating oil can be stored in groove 10, when being lubricated work, make lubricating oil be rapidly introduced into screw compressor
In inner components, it is achieved lubrication work.In addition, the lubricating oil splashing in greasing can all flow to oil guide groove
In 10, improve the cleaning of internal body.The center of Oil Guide dish 7 is provided with Oil Guide dish boss 11, and the center of Oil Guide dish boss 11 sets
Having Oil Guide disk hole 12, Oil Guide disk hole 12 matches with bent axle 2, and the side of Oil Guide dish boss 11 is provided with side through hole 13, and side leads to
The side connection Oil Guide disk hole 12 in hole 13, the opposite side connection oil guide groove 10 of side through hole 13.Connect song by Oil Guide disk hole 12
The oilhole (being not drawn in figure) of axle 2, is made lubricating oil can quickly spread all over the parts of body, is connected by side through hole 13
Oil guide groove 10, a part is back to the lubricating oil on Oil Guide dish 7 and can come back to, in oil guide groove 10, carry out secondary use.
The excircle of Oil Guide frame 8 is provided with installation protruding 14, installs protruding 14 and is provided with installation through hole 15, installs through hole 15
It is inside provided with installation screw 34.By installing screw 34 and installing protruding 14, Oil Guide frame 8 can well be fixedly installed in compression
On the inside of casing body 1.The center of Oil Guide frame 8 is provided with Oil Guide frame boss 16, and Oil Guide frame boss 16 is provided with Oil Guide frame aperture 17, Oil Guide
Frame aperture 17 matches with Oil Guide connecting leg 20.Connect Oil Guide connecting leg 20 by Oil Guide frame aperture 17, enter into the profit in Oil Guide connecting leg 20
Lubricating oil first passes through Oil Guide frame aperture 17 and enters on Oil Guide dish 7, thus connects whole oil circuit.
Electromagnetic assembly includes pole plate, plane iron core and coil 28, and pole plate is fixedly installed on pump ditch 19, and coil 28 is wound in
On plane iron core, coil 28 is connected with electrode wires, and electrode wires connects pole plate.Plane iron core includes plane iron core 24 and lower plane
Iron core 26, upper plane iron core 24 is positioned at the upside of pump ditch 19, and lower plane iron core 26 is positioned at the downside of pump ditch 19, upper plane iron core 24
Being provided with winding slot 25, being provided with coil 28 in upper winding slot 25, lower plane iron core 26 is provided with lower winding slot 27, lower winding slot
It is provided with coil 28 in 27.Pole plate includes positive plate 29 and negative plate 30, and positive plate 29 is installed on the side of pump ditch 19, negative plate 30
It is installed on the opposite side of pump ditch 19.Electrode wires includes positive electricity polar curve 31 and negative electrode wire 32, and one end of positive electricity polar curve 31 just connects
Pole plate 29, the other end of positive electricity polar curve 31 is connected with power supply 33, and one end of negative electrode wire 32 connects negative plate 30, negative electrode wire 32
The other end connect coil 28, coil 28 connects power supply 33.Electromagnetic assembly passes through plane iron core and the effect of coil 28 produces row
Ripple magnetic field, the lubricating oil of pump ditch 19 cutting magnetic line induced current in travelling-magnetic-field, this electric current can promote lubricating oil flow.?
Pump ditch 19 both sides leptoprosopy arranges the positive plate 29 of well conducting and negative plate 30 as wall, can strengthen the electricity of inducting of lubricating oil
Stream, strengthens thrust.
The operation principle of a kind of screw compressor with support oil-guide device 5 of the utility model: by the end at bent axle 2
Portion arranges electromagnetic pump 6, and one end of electromagnetic pump 6 connects Oil Guide dish 7 and Oil Guide frame 8, and the other end of electromagnetic pump 6 connects body
Outer grease-box (being not drawn in figure).When starting electromagnetic pump 6, by the effect of electromagnetic assembly, lubricating oil is by lubricating oil
Case enters in pump ditch 19, and is entered on Oil Guide dish 7 by oil inlet pipe 21, finally by the effect of Oil Guide dish 7 by lubricating oil
It is flowed in the oilhole of bent axle 2, thus spreads all over each parts of screw compressor, be achieved in the greaser of complete machine
Make.This support oil-guide device 5 strictly controls oil inlet quantity by electromagnetic pump 6, makes the trapped fuel on Oil Guide dish 7 also will not too much
Very little, just can meet the lubricants capacity of screw compressor need of work, constant compression machine performance, improving compressor operating can
By property, lubricant passage way is all built-in, outside compressor, lubricant passage way only has an entrance, compressor tailored appearance, profit
Lubricating oil road is simply clear, and internal lubrication oil circuit is all opened in inside compressor, not by external pipe and impurity effect, lubricating oil
Supplying reliable and stable, therefore screw compressor operating obtains Reliable guarantee, has the spy of simple in construction, reliability height and low cost
Point.
These are only specific embodiment of the utility model, but technical characteristic of the present utility model is not limited thereto.Appoint
How based on the utility model, for solving essentially identical technical problem, it is achieved essentially identical technique effect, donely
Simple change, equivalent or modification etc., be all covered by among protection domain of the present utility model.
Claims (10)
1. the screw compressor with support oil-guide device, including compressor housing and bent axle, described bent axle is arranged at institute
Stating in compression case body, the top of described bent axle is provided with scroll plate assembly, and the middle part of described bent axle is provided with electric machine assembly, described song
The bottom of axle is provided with support oil-guide device, it is characterised in that: described support oil-guide device includes electromagnetic pump, Oil Guide dish and Oil Guide
Frame, described Oil Guide dish is installed on the bottom of described bent axle, and described Oil Guide dish connects described Oil Guide frame, and the middle part of described Oil Guide frame connects
Being connected to Oil Guide connecting leg, described Oil Guide connecting leg connects described electromagnetic pump, and described electromagnetic pump is connected with oil inlet pipe, described electromagnetic
Pump includes oil pump case, pump ditch and electromagnetic assembly, and described pump ditch is arranged in described oil pump case, and described pump ditch connects described electricity
Magnetic assembly.
2. a kind of screw compressor with support oil-guide device according to claim 1, it is characterised in that: described Oil Guide dish
Excircle be provided with annular protrusion, described annular protrusion and described Oil Guide dish are formed with oil guide groove.
3. a kind of screw compressor with support oil-guide device according to claim 2, it is characterised in that: described Oil Guide dish
Center be provided with Oil Guide dish boss, the center of described Oil Guide dish boss is provided with Oil Guide disk hole, described Oil Guide disk hole and described bent axle
Matching, the side of described Oil Guide dish boss is provided with side through hole, the described Oil Guide disk hole of side connection of described side through hole, institute
State the described oil guide groove of opposite side connection of side through hole.
4. a kind of screw compressor with support oil-guide device according to claim 1, it is characterised in that: described Oil Guide frame
Excircle be provided with installation projection, described install projection is provided with installation through hole, be provided with installation screw in described installation through hole.
5. a kind of screw compressor with support oil-guide device according to claim 1, it is characterised in that: described Oil Guide frame
Center be provided with Oil Guide frame boss, described Oil Guide frame boss is provided with Oil Guide frame aperture, described Oil Guide frame aperture and described Oil Guide connecting leg phase
Coupling.
6. a kind of screw compressor with support oil-guide device according to claim 1, it is characterised in that: described pump ditch
One end is provided with oil-in, and described oil-in connects described oil inlet pipe, and the other end of described pump ditch is provided with oil-out, described oil-out
Connect described Oil Guide connecting leg.
7. a kind of screw compressor with support oil-guide device according to claim 1, it is characterised in that: described electromagnetism group
Part includes pole plate, plane iron core and coil, and described pole plate is fixedly installed on described pump ditch, and described coil is wound in described plane
On iron core, described coil is connected with electrode wires, and described electrode wires connects described pole plate.
8. a kind of screw compressor with support oil-guide device according to claim 7, it is characterised in that: described plane iron
Core includes plane iron core and lower plane iron core, and described upper plane iron core is positioned at the upside of described pump ditch, described lower plane iron core
Being positioned at the downside of described pump ditch, described upper plane iron core is provided with winding slot, is provided with described coil, institute in described upper winding slot
State lower plane iron core and be provided with lower winding slot, in described lower winding slot, be provided with described coil.
9. a kind of screw compressor with support oil-guide device according to claim 7, it is characterised in that: described pole plate bag
Including positive plate and negative plate, described positive plate is installed on the side of described pump ditch, and described negative plate is installed on the another of described pump ditch
Side.
10. a kind of screw compressor with support oil-guide device according to claim 9, it is characterised in that: described electrode
Line includes positive electricity polar curve and negative electrode wire, and one end of described positive electricity polar curve connects described positive plate, another of described positive electricity polar curve
End is connected with power supply, and one end of described negative electrode wire connects described negative plate, and the other end of described negative electrode wire connects described line
Circle, described coil connects described power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620625501.3U CN205714753U (en) | 2016-06-21 | 2016-06-21 | A kind of screw compressor with support oil-guide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620625501.3U CN205714753U (en) | 2016-06-21 | 2016-06-21 | A kind of screw compressor with support oil-guide device |
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| Publication Number | Publication Date |
|---|---|
| CN205714753U true CN205714753U (en) | 2016-11-23 |
Family
ID=57315616
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620625501.3U Active CN205714753U (en) | 2016-06-21 | 2016-06-21 | A kind of screw compressor with support oil-guide device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664457A (en) * | 2020-12-03 | 2021-04-16 | 珠海格力电器股份有限公司 | Rotating shaft supporting device and scroll compressor |
-
2016
- 2016-06-21 CN CN201620625501.3U patent/CN205714753U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664457A (en) * | 2020-12-03 | 2021-04-16 | 珠海格力电器股份有限公司 | Rotating shaft supporting device and scroll compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190513 Address after: 312400 No. 6 Jinlong Road, Huangze Town, Shengzhou City, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Daming Refrigeration Technology Co., Ltd. Address before: Dalian Village, Chengguan Town, Xinchang County, Shengzhou City, Shaoxing City, Zhejiang Province Patentee before: Xichang County Daming Refrigerator Plant |