CN114215753A - Crankshaft, pump body structure, compressor and air conditioner - Google Patents
Crankshaft, pump body structure, compressor and air conditioner Download PDFInfo
- Publication number
- CN114215753A CN114215753A CN202111563500.2A CN202111563500A CN114215753A CN 114215753 A CN114215753 A CN 114215753A CN 202111563500 A CN202111563500 A CN 202111563500A CN 114215753 A CN114215753 A CN 114215753A
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- Prior art keywords
- crankshaft
- pump body
- compressor
- body structure
- cylinder
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C29/0057—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions for eccentric movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
Abstract
The invention discloses a crankshaft, a pump body structure, a compressor and an air conditioner. The roller is integrally arranged on the eccentric part of the crankshaft, so that the excircle of the eccentric part forms a high-pressure cavity and a low-pressure cavity with the excircle of the cylinder when the compressor operates, namely the eccentric part replaces the roller in the original structure, thus the friction between the eccentric part of the crankshaft and the inner circle of the roller in the original structure can be avoided in the operation process of the compressor, the temperature of a pump body is reduced, the air suction volume is increased, the volumetric efficiency of the compressor is improved, and the energy efficiency of the compressor is improved. In addition, the motor drives the crankshaft to rotate in the operation process of the compressor, the crankshaft is lightened due to the hollow design, and the power of the compressor in the operation process is reduced, so that the energy efficiency of the compressor is improved.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a crankshaft, a pump body structure, a compressor and an air conditioner.
Background
The rotary compressor has the characteristics of simple structure, low cost, high reliability and the like, and is more and more widely applied to the fields of air conditioners, heat pump water heaters, refrigeration equipment and the like.
The rotary compressor is at the exhaust in-process of periodic compression, and the roller can carry out the rotation when following the motion of bent axle eccentric part, and this rotation can increase the friction of circle and bent axle eccentric part in the roller, leads to the temperature of compressor pump body at the operation in-process to be on the high side, and then makes the pump body air suction volume reduce, influences the volumetric efficiency of the pump body.
Disclosure of Invention
In view of this, the present invention provides a crankshaft, a pump structure, a compressor and an air conditioner, in which a roller is integrally disposed on an eccentric portion of the crankshaft, so as to avoid friction between an inner circle of the roller and the eccentric portion of the crankshaft.
In order to solve the above problem, according to an aspect of the present application, an embodiment of the present invention provides a crankshaft for use in a pump body structure, the crankshaft including a body and at least one hollow eccentric portion on the body, an outer circle of the hollow eccentric portion being in sealing contact with a corresponding slide in the pump body structure, such that a cavity between an inner circle of a cylinder of the pump body structure and the outer circle of the hollow eccentric portion is divided into a compression cavity and a suction cavity.
According to another aspect of the present application, an embodiment of the present invention provides a pump body structure including the crankshaft described above.
In some embodiments, the pump body structure further comprises at least one cylinder.
In some embodiments, when the pump body structure includes a cylinder, the crankshaft includes a hollow eccentric portion.
In some embodiments, when the pump body structure includes two cylinders, an upper cylinder and a lower cylinder, respectively, the crankshaft includes one or two hollow eccentric portions.
In some embodiments, when the crankshaft includes one hollow eccentric portion, an outer circumference of the hollow eccentric portion is in sealing contact with the vane in the lower cylinder, so that a cavity between an inner circumference of the lower cylinder and the outer circumference of the hollow eccentric portion is divided into a lower compression chamber and a lower suction chamber.
In some embodiments, when the crankshaft includes two hollow eccentric portions, an outer circumference of one of the hollow eccentric portions is in sealing contact with the vane in the lower cylinder, so that a cavity between an inner circumference of the lower cylinder and the outer circumference of the hollow eccentric portion is divided into a lower compression chamber and a lower suction chamber; the excircle of the other hollow eccentric part is in sealing contact with the sliding vane in the upper cylinder, so that the cavity between the inner circle of the upper cylinder and the excircle of the hollow eccentric part is divided into a lower compression cavity and a lower air suction cavity.
In some embodiments, the pump body structure further comprises a partition plate located between the upper cylinder and the lower cylinder.
In some embodiments, the partition plate includes a first semicircle and a second semicircle, the first semicircle and the second semicircle are oppositely arranged to form a circular partition plate, arc-shaped grooves are respectively formed on contact surfaces of the first semicircle and the second semicircle, and the two arc-shaped grooves are connected to form a circular hole for being sleeved on the crankshaft.
According to another aspect of the present application, an embodiment of the present invention provides a compressor including the pump body structure described above.
According to another aspect of the present application, an embodiment of the present invention provides an air conditioner including the compressor described above.
Compared with the prior art, the crankshaft of the invention has at least the following beneficial effects:
the roller is integrally arranged on the eccentric part of the crankshaft, so that the excircle of the eccentric part forms a high-pressure cavity and a low-pressure cavity with the excircle of the cylinder when the compressor operates, namely the eccentric part replaces the roller in the original structure, thus the friction between the eccentric part of the crankshaft and the inner circle of the roller in the original structure can be avoided in the operation process of the compressor, the temperature of a pump body is reduced, the air suction volume is increased, the volume efficiency of the compressor is improved, and the energy efficiency of the compressor is improved.
In addition, because the motor drives the crankshaft to rotate in the operation process of the compressor, and then the crankshaft eccentric part, the sliding sheet and the cylinder act to complete compression, the integrated crankshaft eccentric part is designed to be hollow, the weight of the crankshaft is reduced, the crankshaft is lightened, the work of the motor driving the crankshaft is reduced, the power of the compressor in the operation process is reduced, and the energy efficiency of the compressor is improved; after the weight is reduced, the idle work of the motor is reduced, the service life is prolonged, the reliability of the compressor is improved, and the manufacturing cost of parts can be reduced by reducing the weight.
On the other hand, the pump body structure provided by the invention is designed based on the crankshaft, and the beneficial effects of the pump body structure refer to the beneficial effects of the crankshaft, which are not described herein in detail.
On the other hand, the compressor provided by the present invention is designed based on the pump body structure, and the beneficial effects thereof refer to the beneficial effects of the pump body structure, which are not described herein again.
On the other hand, the air conditioner provided by the present invention is designed based on the compressor, and the beneficial effects thereof refer to the beneficial effects of the compressor, which are not described herein again.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a crankshaft in which only one hollow eccentric portion is provided according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a conventional pump body structure;
FIG. 3 is a cross-sectional view of a pump body structure for use in a single cylinder compressor according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a pump body structure for use in a twin cylinder compressor, the corresponding crankshaft including a hollow eccentric portion, according to an embodiment of the present invention;
FIG. 5 is a schematic view of a partition in a pump body structure according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a pump body structure provided by an embodiment of the present invention;
FIG. 7 is a cross-sectional view in another direction of a pump body structure provided by an embodiment of the present invention;
FIG. 8 is a cross-sectional view of a pump block structure in which the crankshaft includes two hollow eccentric portions, according to an embodiment of the present invention;
fig. 9 is a COP comparison line drawing of a compressor according to an embodiment of the present invention and a conventional compressor.
Wherein:
1. a crankshaft; 2. an upper cylinder; 3. a lower cylinder; 4. a partition plate; 5. a liquid separating component; 6. a housing assembly; 11. a body; 12. a hollow eccentric portion; 41. a first semicircle; 42. a second semicircle; 43. an arc-shaped groove.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the predetermined object, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In the description of the present invention, it is to be understood that the terms "vertical", "lateral", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not mean that the device or member to which the present invention is directed must have a specific orientation or position, and thus, cannot be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The embodiment provides a crankshaft, which is used in a pump body structure, as shown in fig. 1, the crankshaft comprises a body 11 and at least one hollow eccentric part 12 located on the body 11, and the outer circle of the hollow eccentric part 12 is in sealing contact with a corresponding slide sheet in the pump body structure, so that the cavity between the inner circle of a cylinder of the pump body structure and the outer circle of the hollow eccentric part 12 is divided into a compression cavity and a suction cavity.
In the traditional structure, in the periodic compression and exhaust process, the roller can rotate while moving along with the eccentric part of the crankshaft, and the rotation can increase the friction between the inner circle of the roller and the eccentric part of the crankshaft; in contrast, in the present embodiment, the roller is integrally provided on the eccentric portion of the crankshaft, and the eccentric portion of the crankshaft is formed into a hollow design, thereby forming the hollow eccentric portion 12.
Thus, the excircle of the hollow eccentric part 12 forms a high-pressure cavity and a low-pressure cavity with the excircle of the cylinder when the compressor runs, namely a compressor cavity and a suction cavity (as shown in figure 6), and replaces a roller in an original structure, so that the friction between the eccentric part of the crankshaft and the inner circle of the roller in the original structure can be avoided in the running process of the compressor, and the temperature rise of a pump body structure is further avoided; and the integrated crankshaft eccentric part is designed to be hollow, namely the hollow eccentric part 12, so that the weight of the crankshaft can be reduced, the crankshaft is lightened, and the work of the crankshaft driven by the motor is reduced.
Example 2
The present embodiment provides a pump body structure including the crankshaft 1 in embodiment 1.
As shown in fig. 2, which is a sectional view of a pump body structure of a conventional rolling rotor compressor, in the process of periodic compression and exhaust of the compressor, a roller rotates while following a crankshaft eccentric portion, and such rotation increases friction between an inner circle of the roller and the crankshaft eccentric portion; the temperature of the pump body of the compressor is higher in the operation process, so that the suction volume of the pump body is reduced, and the volumetric efficiency of the pump body is influenced.
In view of the above, the crankshaft in embodiment 1 is applied to the pump body structure in this embodiment, so that the inner circle friction between the eccentric portion of the crankshaft and the roller with the original structure can be avoided in the operation process of the compressor, the temperature of the pump body structure is reduced, the suction volume is increased, the volumetric efficiency of the compressor is improved, and the energy efficiency of the compressor is further improved.
In a specific embodiment:
the pump body structure further comprises at least one cylinder.
That is, the pump body structure in the present embodiment is applicable to a single-cylinder or multi-cylinder compressor.
When the pump body structure includes a cylinder, as shown in fig. 3, the crankshaft 1 includes a hollow eccentric portion 12.
When the pump body structure comprises two cylinders, an upper cylinder 2 and a lower cylinder 3, respectively, the crankshaft 1 comprises one or two hollow eccentric portions 12.
That is to say: when the pump body structure includes two cylinders, its concrete structure has two different forms: i.e. the crankshaft 1 comprises one hollow eccentric 12 and the crankshaft 1 comprises two hollow eccentric 12.
In a specific embodiment:
as shown in fig. 4, when the crankshaft 1 includes a hollow eccentric portion 12, the outer circumference of the hollow eccentric portion 12 is in sealing contact with the vane in the lower cylinder 3, so that the cavity between the inner circumference of the lower cylinder 3 and the outer circumference of the hollow eccentric portion 12 is divided into a lower compression chamber and a lower suction chamber (as shown in fig. 6). At this time, the eccentric portion corresponding to the upper cylinder 2 is in a conventional structure, that is, the roller of the upper cylinder 2 is mounted on the eccentric portion, the roller rolls along the inner wall of the upper cylinder 2, a crescent working chamber is formed between the roller and the upper cylinder 2, and both ends of the crescent working chamber are sealed by the cylinder cover of the upper cylinder 2 to form the working chamber of the compressor.
The significance of the design is as follows: in the assembly process of the conventional compressor, the inner circle of the partition plate between the upper cylinder 2 and the lower cylinder 3 needs to be sleeved on the connecting part of the upper eccentric part and the lower eccentric part of the crankshaft 1 through the upper eccentric part of the crankshaft 1, and if the upper eccentric part of the crankshaft 1 (namely the eccentric part corresponding to the upper cylinder 2) is set as the hollow eccentric part 12, the integral volume is obviously increased after the upper eccentric part of the crankshaft 1 and the roller are integrally arranged, and the conventional partition plate cannot be put in; therefore, in the present embodiment, in order to not destroy the structure of the conventional partition plate, only the eccentric portion corresponding to the lower cylinder 3 is designed as the hollow eccentric portion 12, and the eccentric portion corresponding to the upper cylinder 2 is not changed.
According to the embodiment, under the condition that the structure of an original partition plate and the original assembly process are not changed, the roller and the eccentric part corresponding to the lower cylinder 3 are integrally designed into the hollow eccentric part 12, the whole mass is reduced, the friction between the inner circle of the roller corresponding to the upper cylinder 2 and the outer circle of the eccentric part on the crankshaft can be reduced, the temperature of a pump body is reduced, the air suction volume is increased, the volumetric efficiency of the compressor is improved, and the energy efficiency of the compressor is improved.
In a specific embodiment:
when the crankshaft 1 includes two hollow eccentric portions 12, as shown in fig. 7 and 8, an outer circumference of one of the hollow eccentric portions 12 is in sealing contact with the vane in the lower cylinder 3, so that a cavity between the inner circumference of the lower cylinder 3 and the outer circumference of the hollow eccentric portion 12 is divided into a lower compression chamber and a lower suction chamber; the outer circle of the other hollow eccentric part 12 is in sealing contact with the sliding vane in the upper cylinder 2, so that a cavity between the inner circle of the upper cylinder 2 and the outer circle of the hollow eccentric part 12 is divided into a lower compression cavity and a lower suction cavity.
The embodiment is designed into the hollow eccentric part 12 with the roller and the eccentric part which correspond to the upper cylinder 2 and the lower cylinder 3, so that the quality of the crankshaft 1 is lighter, the friction between the roller and the eccentric part in each cylinder is reduced, the temperature of the pump body structure is kept in a normal state, and the volume efficiency of the pump body structure is further ensured.
In a specific embodiment:
the pump body structure also comprises a partition plate 4 positioned between the upper cylinder 2 and the lower cylinder 3; specifically, as shown in fig. 5, the partition plate 4 includes a first semicircle 41 and a second semicircle 42, the first semicircle 41 and the second semicircle 42 are disposed oppositely to form the circular partition plate 4, the contact surfaces of the first semicircle 41 and the second semicircle 42 are both provided with an arc-shaped groove 43, and the two arc-shaped grooves 43 are connected to form a circular hole for being sleeved on the crankshaft 1.
In the assembly process of the conventional compressor, the inner circle of the partition plate 4, namely the round hole is sleeved on the connecting part of the upper eccentric part and the lower eccentric part of the crankshaft 1 through the upper eccentric part of the crankshaft 1, and the volume is obviously increased after the upper eccentric part of the crankshaft 1 and the roller are integrally arranged, so that the conventional partition plate cannot be placed in the connecting part; therefore, this embodiment designs above-mentioned baffle structure, and the baffle that will originally overlap and establish becomes the baffle of controlling the concatenation, has solved the assembly problem that brings because the bent axle becomes the heart volume grow through this kind of mode.
Example 3
This embodiment provides a compressor including the pump body structure of embodiment 2. Of course, the compressor also includes a housing assembly 6 and a liquid separation assembly 5 as would be found in a conventional compressor.
Like this, use the pump body structure in embodiment 2 in the compressor, because the reduction of pump body structure temperature makes its inspiratory capacity increase, and then improves the volumetric efficiency of compressor, promotes the compressor efficiency. In addition, because the compressor drives the crankshaft to rotate by the motor in the operation process, and then the crankshaft eccentric part, the sliding sheet and the cylinder act to complete compression, the integrated crankshaft eccentric part is designed to be hollow, namely the hollow eccentric part 12, so that the weight of the crankshaft 1 can be reduced, the crankshaft 1 is lightened, the work of the motor driving the crankshaft is reduced, the power of the compressor in the operation process is reduced, and the energy efficiency of the compressor is improved; after the weight is reduced, the idle work of the motor is reduced, the service life is prolonged, the reliability of the compressor is improved, and the manufacturing cost of parts can be reduced by reducing the weight.
To better illustrate the effect of the compressor in this embodiment, the COPs of the compressor in this embodiment and the conventional compressor are performed as shown in table 1 below under five different operating conditions:
| working conditions | Frequency of operation | Amplitude of exhaust gas temperature | Amplitude of refrigerating capacity | Amplitude of power | COP boost |
| Working condition | |||||
| 1 | 100Hz | -4.70％ | 2.24％ | -0.70％ | 2.95％ |
| Working condition 2 | 80Hz | -4.30％ | 2.03％ | -1.57％ | 3.66％ |
| Working condition 3 | 60Hz | -4.20％ | 2.30％ | -1.86％ | 4.22 |
| Working condition | |||||
| 4 | 40Hz | -3.60％ | 1.06％ | -1.13％ | 2.21 |
| Working condition | |||||
| 5 | 20Hz | -2.50％ | 0.83％ | -0.98％ | 0.14％ |
TABLE 1
In table 1 above, the weight of the crankshaft and the two rollers in the conventional structure is about 0.448kg, and after the rollers are integrally provided on the crankshaft in the present embodiment, the weight of the crankshaft is not 0.357kg, and the weight is reduced by 20.2%.
As can be seen from table 1 above, after the scheme of this embodiment is adopted, the scheme of this embodiment has a better effect under each working condition, for example, the refrigerating capacity is increased by a certain extent, the power is reduced by a certain extent, and the amplitude of improving the comprehensive energy efficiency of the APF is 2.06%; wherein, the COP improvement amplitude in table 1 above is: and adding the COP difference value corresponding to the COP of each working condition and the reference according to a certain weight to obtain the COP.
In addition, as shown in fig. 9, in each operating condition, the COP of the compressor corresponding to the present embodiment is higher than that of the compressor of the conventional structure in the same operating condition.
Example 4
The present embodiment provides an air conditioner including the compressor of embodiment 3.
In summary, it is easily understood by those skilled in the art that the advantageous technical features described above can be freely combined and superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. The utility model provides a crankshaft, its characterized in that for in the pump body structure, crankshaft includes body (11) and is located at least one hollow eccentric portion (12) on body (11), the excircle of hollow eccentric portion (12) with the gleitbretter sealing contact who corresponds in the pump body structure makes the circle in the cylinder of pump body structure with cavity between hollow eccentric portion (12) excircle is divided into compression chamber and suction chamber.
2. A pump block structure, characterized in that it comprises a crankshaft (1) according to claim 1.
3. The pump body structure according to claim 2, characterized in that it further comprises at least one cylinder.
4. A pump body structure according to claim 3, characterized in that, when the pump body structure comprises a cylinder, the crankshaft (1) comprises a hollow eccentric portion (12).
5. A pump body structure according to claim 3, characterized in that, when the pump body structure comprises two cylinders, respectively an upper cylinder (2) and a lower cylinder (3), the crankshaft (1) comprises one or two hollow eccentric portions (12).
6. The pump body structure according to claim 5, characterized in that, when the crankshaft (1) includes a hollow eccentric portion (12), the outer circumference of the hollow eccentric portion (12) is in sealing contact with the vane in the lower cylinder (3) so that the cavity between the inner circumference of the lower cylinder (3) and the outer circumference of the hollow eccentric portion (12) is divided into a lower compression chamber and a lower suction chamber.
7. The pump body structure according to claim 5, characterized in that when the crankshaft (1) comprises two hollow eccentric portions (12), the outer circle of one of the hollow eccentric portions (12) is in sealing contact with a slide in the lower cylinder (3) so that the cavity between the inner circle of the lower cylinder (3) and the outer circle of the hollow eccentric portion (12) is divided into a lower compression chamber and a lower suction chamber; the excircle of the other hollow eccentric part (12) is in sealing contact with the slide sheet in the upper cylinder (2), so that a cavity between the inner circle of the upper cylinder (2) and the excircle of the hollow eccentric part (12) is divided into a lower compression cavity and a lower suction cavity.
8. Pump body structure according to claim 7, characterized in that it further comprises a partition (4) between the upper cylinder (2) and the lower cylinder (3).
9. The pump body structure according to claim 8, wherein the partition plate (4) comprises a first semicircle (41) and a second semicircle (42), the first semicircle (41) and the second semicircle (42) are oppositely arranged to form the circular partition plate (4), the contact surfaces of the first semicircle (41) and the second semicircle (42) are both provided with arc-shaped grooves (43), and the two arc-shaped grooves (43) are connected to form a circular hole for being sleeved on the crankshaft (1).
10. A compressor, characterized in that it comprises a pump body structure according to any one of claims 2 to 9.
11. An air conditioner characterized in that it comprises the compressor of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111563500.2A CN114215753A (en) | 2021-12-20 | 2021-12-20 | Crankshaft, pump body structure, compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111563500.2A CN114215753A (en) | 2021-12-20 | 2021-12-20 | Crankshaft, pump body structure, compressor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114215753A true CN114215753A (en) | 2022-03-22 |
Family
ID=80704337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111563500.2A Withdrawn CN114215753A (en) | 2021-12-20 | 2021-12-20 | Crankshaft, pump body structure, compressor and air conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN114215753A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023231383A1 (en) * | 2022-05-30 | 2023-12-07 | 珠海格力电器股份有限公司 | Compressor and air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09317658A (en) * | 1996-05-27 | 1997-12-09 | Unisia Jecs Corp | Rotary pump |
| JP2011074813A (en) * | 2009-09-30 | 2011-04-14 | Sanyo Electric Co Ltd | Rotary compressor |
| CN105221424A (en) * | 2015-11-02 | 2016-01-06 | 安徽美芝精密制造有限公司 | Rotary compressor and there is its heat pump |
| CN106122019A (en) * | 2016-08-09 | 2016-11-16 | 珠海凌达压缩机有限公司 | A kind of rotary compressor |
| CN209557250U (en) * | 2018-12-07 | 2019-10-29 | 珠海凌达压缩机有限公司 | A kind of crankshaft group and compressor |
-
2021
- 2021-12-20 CN CN202111563500.2A patent/CN114215753A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09317658A (en) * | 1996-05-27 | 1997-12-09 | Unisia Jecs Corp | Rotary pump |
| JP2011074813A (en) * | 2009-09-30 | 2011-04-14 | Sanyo Electric Co Ltd | Rotary compressor |
| CN105221424A (en) * | 2015-11-02 | 2016-01-06 | 安徽美芝精密制造有限公司 | Rotary compressor and there is its heat pump |
| CN106122019A (en) * | 2016-08-09 | 2016-11-16 | 珠海凌达压缩机有限公司 | A kind of rotary compressor |
| CN209557250U (en) * | 2018-12-07 | 2019-10-29 | 珠海凌达压缩机有限公司 | A kind of crankshaft group and compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023231383A1 (en) * | 2022-05-30 | 2023-12-07 | 珠海格力电器股份有限公司 | Compressor and air conditioner |
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Application publication date: 20220322 |