CN109458340A - Slide valve assembly and compressor with it - Google Patents
Slide valve assembly and compressor with it Download PDFInfo
- Publication number
- CN109458340A CN109458340A CN201811467542.4A CN201811467542A CN109458340A CN 109458340 A CN109458340 A CN 109458340A CN 201811467542 A CN201811467542 A CN 201811467542A CN 109458340 A CN109458340 A CN 109458340A
- Authority
- CN
- China
- Prior art keywords
- slide valve
- valve rod
- hole
- rolling element
- valve 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
- 238000005096 rolling process Methods 0.000 claims abstract description 79
- 241000222712 Kinetoplastida Species 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/10—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
- F04C28/12—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sliding Valves (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of slide valve assembly and with its compressor, wherein, slide valve assembly, including valve rod, valve rod are threaded through in the through-hole of body, slide valve assembly further includes aligning structure, aligning structure includes: circular base, is fixed in through-hole, and valve rod passes through circular base, the medial surface of circular base towards valve rod is spherical surface, and the center of curvature of spherical surface is located on the center line of through-hole；Rolling element group, between spherical surface and valve rod, rolling element group includes multiple rolling elements, and multiple rolling elements are arranged along the circumferential direction of valve rod, and each rolling element matches with valve rod and merges and can roll on spherical surface.The through-hole that technical solution of the present invention can efficiently solve slide valve lever and body in the prior art is not located within the scope of concentricity tolerance often, and deflection deformation is generated in moving process so as to cause slide valve lever, and then the problem of cause slide valve mobile card resistance.
Description
Technical field
The present invention relates to slide valve technical fields, in particular to a kind of slide valve assembly and with its compressor.
Background technique
Helical-lobe compressor is a kind of rotary displacement compressor, and primary structure includes that body and setting are intracorporal in machine
A pair of of yin, yang rotor, which is placed in parallel and helically shape.There is a cavity volume, screw compression in above-mentioned body
The working principle of machine is intermeshing by yin, yang rotor, reduces the enclosed volume of cavity volume, reaches raising pressure medium
Effect.In refrigeration systems, helical-lobe compressor main function is to improve refrigerant pressure, and suction side is connected to evaporator, is arranged
Gas side is connected to condenser.The low pressure refrigerant for carrying out flash-pot engages the volume to be formed by the yin, yang rotor of helical-lobe compressor
Chamber constantly reduces and achievees the purpose that promote refrigerant pressure.
In order to adapt to varying environment operating condition and burden requirement, it is provided with slide valve assembly in the body of helical-lobe compressor, the cunning
Valve module includes slide valve, piston and for slide valve lever connecting the two.Output load and interior is controlled by mobile slide valve
Volumetric ratio.Specifically, there is piston chamber and plunger shaft in body, be connected between piston chamber and plunger shaft by a through-hole.Slide valve
It is placed in piston chamber, the cambered surface that there are two top tools intersects, between the inner wall of another inner cavity of the two cambered surfaces and body
Cooperatively form above-mentioned cavity volume.Piston is placed in plunger shaft, and slide valve lever is threaded through in through-hole.Pass through solenoid valve regulating piston chamber
The oil mass of interior high pressure refrigeration oil is so that slide valve is moved to suitable position.
In the prior art, slide valve lever needs move in the above-mentioned through-hole of body, in order to guarantee the normal of slide valve assembly
Work, it is more demanding to the coaxial accuracy between slide valve lever and through-hole.But due to the error of slide valve lever machining generation
Or the error that component assembly generates, the through-hole of slide valve lever and body is not located within the scope of concentricity tolerance often, so as to cause cunning
Valve rod generates deflection deformation in moving process, and then causes the mobile card resistance of slide valve, and compressor adds unloading abnormal.
Summary of the invention
A kind of slide valve assembly and the compressor with it are provided in the embodiment of the present invention, to solve slide valve in the prior art
The through-hole of bar and body is not located within the scope of concentricity tolerance often, and bending deformation is generated in moving process so as to cause slide valve lever
Shape, and then the problem of cause slide valve mobile card resistance.
To achieve the above object, the present invention provides a kind of slide valve assembly, including valve rod, valve rod is threaded through the through-hole of body
In, slide valve assembly further includes aligning structure, and aligning structure includes: circular base, is fixed in through-hole, and valve rod passes through annular
The medial surface of pedestal, circular base towards valve rod is spherical surface, and the center of curvature of spherical surface is located on the center line of through-hole；Rolling element
Group, between spherical surface and valve rod, rolling element group includes multiple rolling elements, and multiple rolling elements are arranged along the circumferential direction of valve rod,
Each rolling element matches with valve rod and merges and can roll on spherical surface.
Further, rolling element group is multiple, and multiple rolling element groups are arranged along the axial direction of valve rod.
Further, rolling element group is two.
Further, rolling element includes ball.
Further, it in rolling element group, is spaced apart from each other between multiple rolling elements.
Further, rolling element group further includes retainer, and retainer is used to limit the relative position of multiple rolling elements.
Further, the hole wall interference connection of circular base and through-hole.
Further, the lateral surface of circular base and the hole wall of through-hole fit.
According to another aspect of the present invention, a kind of compressor, including slide valve assembly are provided, slide valve assembly is above-mentioned
Slide valve assembly.
Further, slide valve assembly further includes the slide valve connecting with the first end of valve rod and connect with the second end of valve rod
Piston, compressor further includes body, has the piston for accommodating the piston chamber of slide valve and for accommodating piston in body
Chamber, piston chamber and plunger shaft are connected to by through-hole.
It applies the technical scheme of the present invention, aligning structure is set between valve rod and through-hole.Aligning structure includes annular base
Seat and rolling element group.The medial surface of circular base towards valve rod is spherical surface, and the center of curvature of spherical surface is located on the center line of through-hole.
Multiple rolling elements of rolling element group are arranged along the circumferential direction of valve rod, and each rolling element matches with valve rod and merges and can roll on spherical surface
It is dynamic.
When valve rod moves in through-holes, if occurring deviation between the center line of valve rod and the center line of through-hole, roll
Know from experience and rolls automatically along spherical surface to carry out position adjustment (for example, center line of the center line of valve rod relative to through-hole to valve rod
When downward bias, the rolling element below valve rod can be rolled to higher position on the outside of spherical surface to push up valve rod upwards).Due to ball
The center of curvature in face is located on the center line of through-hole, by the adjustment of multiple rolling elements of rolling element group, can finally make valve rod
It is coaxial (usually concentricity is located in the margin of tolerance allowed) with through-hole, it realizes the function of automatic aligning, makes valve rod and through-hole
It remains coaxial arrangement, to avoid deflection deformation of the valve rod in moving process, and then does not generate the mobile card resistance of slide valve
Phenomenon.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the slide valve assembly of the embodiment of the present invention；
Fig. 2 is enlarged diagram at the A of the slide valve assembly of Fig. 1；
Fig. 3 is the structural schematic diagram of the rolling element group of the slide valve assembly of Fig. 1；And
Fig. 4 is the structural schematic diagram of another angle of the rolling element group of Fig. 3.
Description of symbols:
10, valve rod；20, aligning structure；21, circular base；211, spherical surface；22, rolling element group；221, rolling element；222,
Retainer；30, slide valve；40, piston；50, spring；60, end cap；70, stop collar；101, through-hole；102, piston chamber；103, piston
Chamber.
Specific embodiment
Present invention is further described in detail in the following with reference to the drawings and specific embodiments, but not as to limit of the invention
It is fixed.
As shown in Figures 1 to 4, the slide valve assembly of the present embodiment is applied in helical-lobe compressor.Slide valve assembly includes valve rod
10, which is threaded through in the through-hole 101 of the body of helical-lobe compressor.Slide valve assembly further includes aligning structure 20.Aligning knot
Structure 20 includes circular base 21 and rolling element group 22.Wherein, circular base 21 is fixed in through-hole 101.Valve rod 10 passes through
Circular base 21.The medial surface of circular base 21 towards valve rod 10 is spherical surface 211.The center of curvature of spherical surface 211 is located at through-hole 101
Center line on.Rolling element group 22 is between spherical surface 211 and valve rod 10.Rolling element group 22 includes multiple rolling elements 221.It is multiple
Rolling element 221 is arranged along the circumferential direction of valve rod 10.Each rolling element 221 and valve rod 10 are directly with merge can be on spherical surface 211
It rolls.
Using the slide valve assembly of the present embodiment, aligning structure 20 is set between valve rod 10 and through-hole 101.Aligning structure 20
Including circular base 21 and rolling element group 22.The medial surface of circular base 21 towards valve rod 10 is spherical surface 211, the song of spherical surface 211
Rate center is located on the center line of through-hole 101.Multiple rolling elements 221 of rolling element group 22 are arranged along the circumferential direction of valve rod 10,
Each rolling element 221 directly matches with valve rod 10 and merges and can roll on spherical surface 211.
When valve rod 10 moves in through-hole 101, if occurred between the center line of valve rod 10 and the center line of through-hole 101
Deviation, rolling element 221 can roll automatically along spherical surface 211 to carry out position adjustment (for example, the center line of valve rod 10 to valve rod 10
When center line downward bias relative to through-hole 101, the rolling element 221 positioned at 10 lower section of valve rod can be higher to 211 outside of spherical surface
Position is rolled to push up valve rod 10 upwards).Since the center of curvature of spherical surface 211 is located on the center line of through-hole 101, pass through rolling
The adjustment of multiple rolling elements 221 of body group 22, capable of finally making valve rod 10 and through-hole 101, coaxial (usually concentricity, which is located at, permits
Perhaps in the margin of tolerance), it realizes the function of automatic aligning, so that valve rod 10 and through-hole 101 is remained coaxial arrangement, to avoid
Deflection deformation of the valve rod 10 in moving process, and then the phenomenon that slide valve moves card resistance is not generated, it is effectively guaranteed screw rod pressure
The normal operation of contracting machine.
In the present embodiment, each rolling element 221 directly cooperates with valve rod 10, does not need other middlewares, structure is more
Simply, aligning effect is more direct, and reduces number of parts to the greatest extent and may further ensure that functional reliability.
It should be noted that the slide valve assembly of the present embodiment is applied in helical-lobe compressor, and certainly, the application of slide valve assembly
Scene is without being limited thereto, and in other embodiments not shown in the figure, slide valve assembly be can be set in other kinds of compressor
Or in other equipment, as long as the equipment there is still a need for the concentricity between valve rod and the through-hole for wearing it is guaranteed.
As depicted in figs. 1 and 2, in the slide valve assembly of the present embodiment, slide valve assembly further includes the first end with valve rod 10
The slide valve 30 of connection and the piston 40 being connect with the second end of valve rod 10.Helical-lobe compressor includes body, has in body and slides
Valve chamber 102 and plunger shaft 103, piston chamber 102 and plunger shaft 103 are connected to by through-hole 101.Slide valve 30 is placed on piston chamber 102
It is interior, cavity volume is cooperatively formed between the inner wall of another inner cavity at the top and body of slide valve 30, yin, yang rotor is located at the cavity volume
It is interior.That is, yin, yang rotor is located at the top of slide valve 30.Piston 40 is placed in plunger shaft 103, the second end of valve rod 10
On be arranged with spring 50, the height being located in the part of side of the piston 40 far from slide valve 30 by solenoid valve regulating piston chamber 103
The oil mass for pressing refrigeration oil, so that slide valve 30 be made to be moved to suitable position.
100% load solenoid valve is opened when helical-lobe compressor load, closes remaining load solenoid valve, and high pressure refrigeration oil is logical
It crosses oil circuit and continues to flow into plunger shaft 103, gradually push piston 40 mobile to suction side.When slide valve 30 touches piston chamber 102
When stop, piston 40 also reaches the dead-centre position of plunger shaft 103, does not have compressed gas to bypass phenomenon, this when at this time
Helical-lobe compressor reaches oepration at full load state.
When helical-lobe compressor needs to be unloaded to 50% load, 100%, 75%, 25% load solenoid valve, plunger shaft are closed
High pressure refrigeration oil in 103 continuously outflows and enters suction end by 50% load oil circuit, at this time bullet of the piston 40 in spring 50
Mobile to the direction far from slide valve 30 under the action of spring force, piston 40 is mobile toward exhaust side with ovable valve stem 10, slide valve 30.Work as piston
40 just block oilhole when being moved at 50% load oilhole, high pressure refrigeration oil can not continue through oilhole and enter suction end, most
Balance 40 pressure at two ends of piston, the gas sucked at this time can be bypassed to suction end, reach 50% load operation with this
Effect.When similarly needing to be unloaded to 25% load, 100% solenoid valve and 50% solenoid valve are closed, and 50% load is same with being offloaded to
The principle of sample, compressor are eventually stable in 25% load.
When helical-lobe compressor is with operation at part load, slide valve 30 is moved to close to the position of plunger shaft 103, slide valve 30
It is mostly in cantilever position.Under pressure at expulsion effect, since, there are gap, slide valve is easy between existing valve rod and through-hole
It raises, this will lead to slide valve and directly contacts with yin, yang rotor tooth top and generate mechanical friction, causes to be seriously worn.
As depicted in figs. 1 and 2, in the slide valve assembly of the present embodiment, each rolling element 221 is directly contacted with valve rod 10, this
Sample can constrain the radial displacement of valve rod 10, carry radial load, and not influence the sliding of valve rod 10.Work as screw compression
When machine is with operation at part load, valve rod 10 is mostly in cantilever position, even if slide valve 30 is not allowed yet under pressure at expulsion effect
It easily raises, to avoid slide valve 30 and yin, yang rotor peak contact, and then ensure that helical-lobe compressor reliability of operation.
As shown in Figure 1, Figure 2 and shown in Fig. 4, in the slide valve assembly of the present embodiment, rolling element group 22 is multiple, multiple rollings
Body group 22 is arranged along the axial direction of valve rod 10.In the present embodiment, rolling element group 22 is two, and each rolling element group 22 includes
One circle rolling element 221.Carrying and effect of contraction to it can be enhanced in valve rod 10 in two 22 collective effects of rolling element group, and
Structure is simple.Certainly, the particular number of rolling element group 22 is without being limited thereto, in other embodiments not shown in the figure, rolls
Body group may be one or three or more, specifically can according to need and is selected.
As shown in Figures 1 to 4, in the slide valve assembly of the present embodiment, rolling element 221 includes ball, the structure letter of ball
It is single, it is easy to manufacture, and multi-direction can roll, cooperate with spherical surface 211 more flexible.Certainly, rolling element 221
Concrete form is without being limited thereto, and in other embodiments not shown in the figure, rolling element can also be cylindrical roller, the cylinder
The rotating direction of shape roller should be arranged along the axial direction of valve rod.
As shown in Figure 3 and Figure 4, in the slide valve assembly of the present embodiment, in each rolling element group 22, multiple rolling elements
Setting is spaced apart from each other between 221, it in this way can be to avoid the interference that contacts with each other between rolling element 221.In the present embodiment, rolling element
Group 22 further includes retainer 222.Retainer 222 in a ring, has multiple receiving holes spaced along circumferential direction thereon, more
A rolling element 221 is respectively placed in receiving hole.Two retainers 222 of two rolling element groups 22 manufacture into a single integrated structure.It is above-mentioned
Retainer 222 can limit the relative position of multiple rolling elements 221, not interfere with the rolling of each rolling element 221.Together
When, retainer 222 can also follow multiple rolling elements 221 mobile.Certainly, the concrete form of retainer 222 is without being limited thereto, at it
In his embodiment, retainer may be an annular groove, and multiple rolling elements are placed in the annular groove.
As depicted in figs. 1 and 2, in the slide valve assembly of the present embodiment, cavity wall of the plunger shaft 103 close to 101 side of through-hole
On be provided with end cap 60, the middle part of the end cap 60 has the avoid holes for avoiding valve rod 10, between the avoid holes and valve rod 10
With gap and its aperture is less than the aperture of through-hole 101.That is, the part that end cap 60 forms avoid holes is inwardly projecting in logical
The hole wall in hole 101.Restraining position ring block 70 is arranged far from the side of end cap 60 in through-hole 101.The hole wall of above-mentioned stop collar 70, through-hole 101
And the space that end cap 60 surrounds jointly forms an annular groove.21 interference of circular base is connected in the annular groove, is connected relatively reliable.
Meanwhile the hole wall of the lateral surface of circular base 21 and through-hole 101 fits so that it is convenient to which circular base 21 is arranged, and is convenient for
The processing of circular base 21.Specifically, due to finally needing to guarantee that the center of curvature of the spherical surface 211 of circular base 21 is located at through-hole
On 101 center line, if the hole wall of circular base 21 its lateral surface and through-hole 101 during installation fits, as long as designing
The radius of curvature of its spherical surface 211 and the thickness of circular base 21, wherein the thickness of circular base 21 everywhere is consistent, this
Sample is just more conducive to process.
It should be noted that the structure around through-hole 101 is without being limited thereto, in other embodiments not shown in the figure,
It can be not provided with stop collar and end cap on through-hole, directly connect the hole wall interference of circular base and through-hole.In addition, circular base
Lateral surface can not also be bonded with the hole wall of through-hole, as long as finally guaranteeing that the center of curvature of spherical surface of circular base is located at through-hole
Center line on.But, in the case, if the gap between the lateral surface of circular base and the hole wall of through-hole is uneven
Even, then the thickness of circular base everywhere is centainly inconsistent, in this way than more difficult to process.
As depicted in figs. 1 and 2, present invention also provides a kind of compressors, in the embodiment according to the application compressor,
Compressor is helical-lobe compressor comprising slide valve assembly, slide valve assembly are above-mentioned slide valve assembly, other knots of helical-lobe compressor
Structure has also illustrated in the above content, therefore repeats no more.
It should be noted that the compressor of the present embodiment is not limited to helical-lobe compressor, in other implementations not shown in the figure
In mode, compressor can be other kinds of compressor, as long as there is still a need for guarantee between valve rod and the through-hole for wearing it
Concentricity.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
It certainly, is the preferred embodiment of the present invention above.It should be pointed out that for those skilled in the art
For, without departing from the basic principles of the invention, several improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of slide valve assembly, including valve rod (10), the valve rod (10) is threaded through in the through-hole (101) of body, and feature exists
In the slide valve assembly further includes aligning structure (20), and the aligning structure (20) includes:
Circular base (21) is fixed in the through-hole (101), and the valve rod (10) passes through the circular base (21),
The medial surface of the circular base (21) towards the valve rod (10) is spherical surface (211), the center of curvature position of the spherical surface (211)
In on the center line of the through-hole (101)；
Rolling element group (22), between the spherical surface (211) and the valve rod (10), the rolling element group (22) includes multiple
Rolling element (221), multiple rolling elements (221) are arranged along the circumferential direction of the valve rod (10), each rolling element (221)
Match with the valve rod (10) and merges and can be rolled on the spherical surface (211).
2. slide valve assembly according to claim 1, which is characterized in that the rolling element group (22) be it is multiple, it is multiple described
Rolling element group (22) is arranged along the axial direction of the valve rod (10).
3. slide valve assembly according to claim 2, which is characterized in that the rolling element group (22) is two.
4. slide valve assembly according to claim 1, which is characterized in that the rolling element (221) includes ball.
5. slide valve assembly according to claim 1, which is characterized in that in the rolling element group (22), multiple rollings
Kinetoplast is spaced apart from each other between (221).
6. slide valve assembly according to any one of claim 1 to 5, which is characterized in that the rolling element group (22) is also wrapped
It includes retainer (222), the retainer (222) is used to limit the relative position of multiple rolling elements (221).
7. slide valve assembly according to claim 1, which is characterized in that the circular base (21) and the through-hole (101)
Hole wall interference connection.
8. slide valve assembly according to claim 1, which is characterized in that the lateral surface of the circular base (21) leads to described
The hole wall in hole (101) fits.
9. a kind of compressor, including slide valve assembly, which is characterized in that the slide valve assembly is any one of claims 1 to 8 institute
The slide valve assembly stated.
10. compressor according to claim 9, which is characterized in that the slide valve assembly further includes and the valve rod (10)
First end connection slide valve (30) and the piston (40) that is connect with the second end of the valve rod (10), the compressor also wrap
The body is included, is had in the body for accommodating the piston chamber (102) of the slide valve (30) and for accommodating the work
The plunger shaft (103) of (40) is filled in, the piston chamber (102) is connected to the plunger shaft (103) by the through-hole (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811467542.4A CN109458340B (en) | 2018-12-03 | 2018-12-03 | Slide valve assembly and compressor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811467542.4A CN109458340B (en) | 2018-12-03 | 2018-12-03 | Slide valve assembly and compressor with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109458340A true CN109458340A (en) | 2019-03-12 |
| CN109458340B CN109458340B (en) | 2024-05-03 |
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ID=65612295
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811467542.4A Active CN109458340B (en) | 2018-12-03 | 2018-12-03 | Slide valve assembly and compressor with same |
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| Country | Link |
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| CN (1) | CN109458340B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425118A (en) * | 2019-08-14 | 2019-11-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and refrigerating plant with it |
| CN115038872A (en) * | 2020-01-07 | 2022-09-09 | 江森自控泰科知识产权控股有限责任合伙公司 | Volume ratio control system for compressor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19752291C1 (en) * | 1997-11-26 | 1999-03-25 | Uraca Pumpen | Overflow valve for hydraulic circuit |
| JP2006038153A (en) * | 2004-07-29 | 2006-02-09 | Nachi Fujikoshi Corp | Method of manufacturing solenoid valve |
| CN101975218A (en) * | 2010-10-09 | 2011-02-16 | 何宏 | Self-aligning ball bearing |
| CN104832544A (en) * | 2015-05-18 | 2015-08-12 | 江苏联动轴承有限公司 | Special self-lubricating self-aligning worm assembly bearing for automobile EPS (electronic power steering) |
| CN107013465A (en) * | 2017-06-16 | 2017-08-04 | 珠海格力电器股份有限公司 | Helical-lobe compressor |
| CN108119368A (en) * | 2018-01-18 | 2018-06-05 | 珠海凌达压缩机有限公司 | A kind of bent axle roller structure, compressor and air conditioner |
| CN209430411U (en) * | 2018-12-03 | 2019-09-24 | 珠海格力电器股份有限公司 | Slide valve assembly and compressor with it |
-
2018
- 2018-12-03 CN CN201811467542.4A patent/CN109458340B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19752291C1 (en) * | 1997-11-26 | 1999-03-25 | Uraca Pumpen | Overflow valve for hydraulic circuit |
| JP2006038153A (en) * | 2004-07-29 | 2006-02-09 | Nachi Fujikoshi Corp | Method of manufacturing solenoid valve |
| CN101975218A (en) * | 2010-10-09 | 2011-02-16 | 何宏 | Self-aligning ball bearing |
| CN104832544A (en) * | 2015-05-18 | 2015-08-12 | 江苏联动轴承有限公司 | Special self-lubricating self-aligning worm assembly bearing for automobile EPS (electronic power steering) |
| CN107013465A (en) * | 2017-06-16 | 2017-08-04 | 珠海格力电器股份有限公司 | Helical-lobe compressor |
| CN108119368A (en) * | 2018-01-18 | 2018-06-05 | 珠海凌达压缩机有限公司 | A kind of bent axle roller structure, compressor and air conditioner |
| CN209430411U (en) * | 2018-12-03 | 2019-09-24 | 珠海格力电器股份有限公司 | Slide valve assembly and compressor with it |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425118A (en) * | 2019-08-14 | 2019-11-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and refrigerating plant with it |
| CN110425118B (en) * | 2019-08-14 | 2021-09-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and refrigerating device with same |
| CN115038872A (en) * | 2020-01-07 | 2022-09-09 | 江森自控泰科知识产权控股有限责任合伙公司 | Volume ratio control system for compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109458340B (en) | 2024-05-03 |
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