CN203321833U - Scroll compressor with novel cooling device - Google Patents
Scroll compressor with novel cooling device Download PDFInfo
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- CN203321833U CN203321833U CN2013203244051U CN201320324405U CN203321833U CN 203321833 U CN203321833 U CN 203321833U CN 2013203244051 U CN2013203244051 U CN 2013203244051U CN 201320324405 U CN201320324405 U CN 201320324405U CN 203321833 U CN203321833 U CN 203321833U
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Abstract
The utility model discloses a scroll compressor with a novel cooling device. The scroll compressor comprises a shell, an air inlet pipe, an air outlet pipe, a motor, a rotor shaft assembly and a partition, as well as a thermosensitive disc, a cylinder body and a valve core, wherein an inner cavity is divided into a high-pressure cavity and a low-pressure cavity by the partition, the thermosensitive disc is arranged in the high-pressure cavity and connected with the partition, at least one first through hole which is communicated with the high-pressure cavity and the low-pressure cavity is formed on the partition, the thermosensitive disc covers the first through hole; the cylinder body is fixedly connected with the downside of the first through hole of the partition relative to the thermosensitive disc, a retainer ring is arranged in the cylinder body and divides the inner cavity into an upper cavity and a lower cavity, at least one second through hole and at least one third through hole are further formed on the cylinder body, a cooling pipeline and an upper cavity are communicated through the second through hole, and the low-pressure cavity and the lower cavity are communicated through the third through hole; the valve body is arranged in the retainer ring in a penetrating manner along with the axial direction of the cylinder body, a protrusion part is formed by downward extending the valve core, the lower end of the protrusion part is connected with a reset device, and the valve core moves up and down in the retainer ring. The scroll compressor can conduct online cooling during running, and is low in cooling cost and accurate in detection temperature.
Description
Technical field
The utility model relates to a kind of scroll compressor, particularly a kind of scroll compressor with novel cooling device.
Background technique
Scroll compressor is widely used in the industry-by-industry of national life, and along with the development of economy and technology, common scroll compressor, except being applied to refrigerating and air conditioning industry, also is applied in the industries such as cryogenic freezing and heat pump water heater more and more widely.The industry such as cryogenic freezing and heat pump water heater, owing to often having broader application area and more complicated application characteristic, therefore can be moved and have higher requirement with security and stability compressor.The high compression ratio that may exist due to industries such as cryogenic freezing and heat-pump hot-waters, and the problem such as the cooling deficiency of compressor brought of the characteristic such as low refrigerant flow and high exhaust temperature has been brought challenge for compressor safe operation etc.The cooling deficiency of compressor likely can cause burn-down of electric motor, and high delivery temperature also will make the lubricating oil viscosity of compressor descend, and reduce the lubricated and sealing effect of part, and increase the risk that lubricant oil is carbonized, thus the working life of reducing compressor.Although the delivery temperature Detection & Controling have relatively ripe technology, the cooling deficiency of compressor block is what to be difficult to by on-line monitoring and control, or the high cost of its control.This wherein, the cooling deficiency of scroll compressor is to have certain associatedly with high exhaust temperature, therefore existing scroll compressor is directed to often to Cooling Design and system control technique that delivery temperature implements to control.
In order to reduce and to control delivery temperature, present Design of Scroll Compressor personnel have worked out a lot of technology, have also just derived a lot of patents.
The Chinese patent that publication number is CN1286358 has been described a kind of temperature protection technology of vortex; this technology is by a mechanical detection and inspire the device of signal can be fast and detect exactly the delivery temperature of vortex mouth; but it is need to be by opening the temperature-sensitive video disc of vortex mouth to the delivery temperature protection of compressor; and the gas of bypass high exhaust temperature removes to heat motor protecter, cause the shutdown of compressor.Due to the take-off meeting that is opened to protector from the temperature-sensitive video disc because the thermal inertia of compressor exists the regular hour poor; therefore during this period of time still likely can cause delivery temperature to continue to raise and burn the compressor inner body; and according to this protection philosophy; when compressor occurs that delivery temperature is high; it is to impel passively the shutdown mode of compressor in cisco unity malfunction, but not takes other measure to reduce on one's own initiative delivery temperature.
The U. S. Patent that publication number is US5076067 has been introduced the technology of a kind of hydrojet or jet cooling compressor reduction delivery temperature, this technology is by a joint, to be connected on the housing of compressor by the refrigeration agent of liquid, and this joint is connected to the refrigeration agent that sprays into liquid or gaseous state with an interface of having processed on the vortex mouth, reduce the delivery temperature of compressor; The Introduction To Cn Patent that publication number is CN1831337 a kind of scroll machine with liquid injection, it is by the intakeport atomizing of liquids, to reach the purpose that reduces compressor exhaust temperature.The described delivery temperature of above-mentioned two patents is controlled all to be needed to remove to detect the numerical value of delivery temperature by compressor housing delivery temperature sniffer, and goes to carry out by valve or other mechanism the purpose that the actions such as jetting liquid or jet body reach the reduction delivery temperature.In these two kinds of methods, when compressor exhaust temperature raises, although can reduce on one's own initiative compressor exhaust temperature, it need to rely on complicated system or control by valve, and its cost is relatively high; Often be positioned in addition the outside of compressor due to the detection of delivery temperature, carry out the judgement of delivery temperature by the temperature of signal piping, this can cause the delivery temperature detected under some operating mode, vortex relief opening and detection place of outside delivery temperature there will be larger temperature departure, during for example low refrigerant flow, will reduce the sensitivity of exhaust temperature control device like this, even also may cause the slow in reacting and damage compressor inner body of exhaust temperature control device.
The model utility content
The purpose of this utility model is exactly for the problems referred to above, provides a kind of and can carry out online coolingly in scroll compressor operation, and can precisely survey delivery temperature and reduce the scroll compressor with novel cooling device of cooling cost.
To achieve these goals, the utility model provides following technological scheme: the scroll compressor with novel cooling device, comprise housing, suction tude, steam outlet pipe, motor, rotor shaft assembly and dividing plate, this dividing plate is arranged in this housing, the inner chamber of this compressor is separated into to hyperbaric chamber and low-pressure cavity, and this scroll compressor also comprises:
The temperature-sensitive video disc, it is arranged in above-mentioned hyperbaric chamber and is fixedly connected with aforementioned barriers, offers the first through hole that at least one is communicated with above-mentioned hyperbaric chamber and low-pressure cavity on this dividing plate, and this temperature-sensitive video disc covers and is arranged on this first through hole;
Cylinder body, its relatively above-mentioned temperature-sensitive video disc and be fixedly connected under aforementioned barriers and relatively above-mentioned temperature-sensitive video disc is arranged under above-mentioned the first through hole, be provided with a back-up ring in this cylinder body, it is to inner wall shape that should cylinder body and with the inwall of this cylinder body, be fixedly connected with or one-body molded, this back-up ring is divided into epicoele and cavity of resorption by the inner chamber of cylinder body, also offers the third through-hole of at least one second through hole that is communicated with external refrigeration pipeline and epicoele and at least one connection low-pressure cavity and cavity of resorption on this cylinder body;
Spool, it axially is arranged in above-mentioned back-up ring along above-mentioned cylinder body, the underpart of this spool extends to form a bump, the underpart of this bump is connected with the bottom of above-mentioned cylinder body by a resetting means, spool is up and down in above-mentioned back-up ring, after this spool moves upward, this bump with this valve core movement to above-mentioned back-up ring following and seal the through hole in this back-up ring from below.
Further, the second above-mentioned through hole also runs through above-mentioned back-up ring.
Further, install one on the second above-mentioned through hole and extend to be communicated with the connecting tube of said external cooling line to the outside of scroll compressor, this connecting tube, the upper end be connected with the second through hole all was arranged with seal ring with the other end that extends scroll compressor.
Further, above-mentioned bump is a taper, and the cone bottom of this taper is fixedly connected with above-mentioned resetting means.
Further, the bottom of above-mentioned cylinder body and the body of this cylinder body are split type, and this bottom is fixedly connected with this body.
Further, the above-mentioned scroll compressor with novel cooling device also comprises a valve plate, and it is arranged in above-mentioned epicoele perpendicular to above-mentioned spool and is fixedly connected with the upper end portion of this spool or one-body molded.
Again further, be provided with seal ring between the inwall of above-mentioned valve plate and cylinder body.
Further, be positioned at and also offer at least one on the outer wall of above-mentioned cylinder body of above-mentioned valve plate top and be communicated with above-mentioned epicoele and the fourth hole of low-pressure cavity.
Further, the open-topped place of above-mentioned cylinder body is provided with adpting flange, and this cylinder body is fixedly connected with aforementioned barriers by this adpting flange.
Again further, also offer at least one on the one side of connection aforementioned barriers on above-mentioned adpting flange and be communicated with above-mentioned epicoele and the groove of low-pressure cavity.
Adopt the beneficial effect of above technological scheme to be: the utility model is mainly by the temperature-sensitive video disc, cylinder body and spool are realized cooling to the inner chamber of compressor, when compressor operating, by being arranged at the inside temperature of the temperature-sensitive video disc induced compression machine in hyperbaric chamber, after surpassing setting temperature, can open, high pressure-temperature gas in hyperbaric chamber enters in cylinder body by the first through hole, the promotion spool moves downward, open the through hole in back-up ring, cooling liquid or cooled gas enter into cavity of resorption by the second through hole and third through-hole from the epicoele of cylinder body, then be injected in low-pressure cavity, also can be injected in the Seal cage of vortex by the form of access pipeline, reach the cooling purpose to the inner chamber of compressor, after temperature reduces, the temperature-sensitive video disc is closed after sensing the temperature of reduction, pressurized gas in cylinder body reduce, effect by resetting means after pressure on spool reduces gradually resets to initial position, through hole in back-up ring is plugged again, from above-mentioned description, can see, this compressor can complete the cooling to inner chamber in operation, do not need compressor to be shut down, cooling efficiency is high and do not affect the use of compressor, and the temperature-sensitive video disc is arranged at the inner chamber of compressor, with be arranged at outside in prior art and compare, its induction to delivery temperature is more accurate, can solve the problem of existing larger temperature departure between the temperature surveyed in prior art and actual temperature, improve the sensitivity of exhaust temperature control device, the inner body of protection compressor, and the cooling unit of this compressor is simple in structure, structure than prior art, its manufacturing cost and use cost is all lower.
The accompanying drawing explanation
Fig. 1 is the structural representation of scroll compressor in embodiment 1 with novel cooling device of the present utility model.
Fig. 2 is the structural representation of cooling unit in embodiment 1 with scroll compressor of novel cooling device of the present utility model.
Fig. 3 is the structural representation of cooling unit in embodiment 2 with scroll compressor of novel cooling device of the present utility model.
Wherein, 1. 107. 108. 11. 111. 12. 13. 131. 132. connecting tube of seal ring of connecting tube of resetting means of bump of spool of adpting flange of fourth hole of bottom shell 14. valve plate 141. seal ring 15. top cover 16. fixed plate 17. bottoms of housing 2. suction tude 3. steam outlet pipe 4. motor 5. rotor shaft assembly 6. dividing plate 61. first through hole 7. hyperbaric chamber 8. low-pressure cavity 9. temperature-sensitive video disc 10. cylinder body 101. back-up ring 102. epicoele 103. cavity of resorption 104. second through hole 105. third through-hole 106. cylinder bodies.
Embodiment
Describe preferred implementation of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment 1
The present embodiment is most preferred for implementing the utility model.As shown in Figure 1-2, the scroll compressor with novel cooling device in the present embodiment, comprise housing 1, suction tude 2, steam outlet pipe 3, motor 4, rotor shaft assembly 5 and dividing plate 6, dividing plate 6 is arranged in housing 1, the inner chamber of scroll compressor is separated into to hyperbaric chamber 7 and low-pressure cavity 8, this scroll compressor also comprises: temperature-sensitive video disc 9, it is arranged in hyperbaric chamber 7 and is fixedly connected with dividing plate 6, the mode of being fixedly connected with can adopt the known mode that is fixedly connected with such as be spirally connected to be implemented, offer first through hole 61 that is communicated with hyperbaric chamber 7 and low-pressure cavity 8 on dividing plate 6, temperature-sensitive video disc 9 covers and is arranged on the first through hole 61, in the present embodiment, temperature-sensitive video disc 9 is that fixed plate 16 by as shown in Figure 2 is installed on the first through hole 61, can certainly adopt other Placements to be connected as be spirally connected etc., cylinder body 10, its relative temperature-sensitive video disc 9 and being fixedly connected under dividing plate 6, and relatively above-mentioned temperature-sensitive video disc 6 is arranged under the first through hole 61, Placement specifically can adopt the known Placement such as be spirally connected to be implemented, be provided with a back-up ring 101 in cylinder body 10, the inner wall shape of its corresponding cylinder body 10 also is fixedly connected with the inwall of cylinder body 10 or one-body molded, the mode of being fixedly connected with can adopt the known modes that are fixedly connected with such as welding to be implemented, back-up ring 101 is divided into epicoele 102 and cavity of resorption 103 by the inner chamber of cylinder body 10, also offer second through hole 104 that is communicated with external refrigeration pipeline (not shown) and epicoele 102 on cylinder body 10, with a third through-hole 105 that is communicated with low-pressure cavity 8 and cavity of resorption 103, the second through hole 104 is for accessing cooling liquid or cooled gas, third through-hole 105 is for sending cooling liquid or cooled gas into low-pressure cavity 8, spool 11, it axially is arranged in back-up ring 101 along cylinder body 10, the underpart of spool 11 extends to form a bump 111, the underpart of this bump 111 is connected with the bottom 106 of cylinder body by a resetting means 12, spool 11 is interior up and down at back-up ring 101, after spool 11 moves upward, bump 111 moves to the following of back-up ring 101 with spool 11 and seals the through hole in back-up ring 101 from below.
The scroll compressor of the present embodiment is mainly by temperature-sensitive video disc 9, cylinder body 10 and spool 11 are realized cooling to the inner chamber of compressor, when compressor operating, by being arranged at the inside temperature of the temperature-sensitive video disc 9 induced compression machines in hyperbaric chamber 7, after surpassing setting temperature, can open, high pressure-temperature gas in hyperbaric chamber enters in cylinder body 10 by the first through hole 61, promoting spool 11 moves downward, open the through hole in back-up ring 101, cooling liquid or cooled gas enter into cavity of resorption 103 by the second through hole 104 and third through-hole 105 from the epicoele 102 of cylinder body 10, then be injected in low-pressure cavity 8, also can be injected in the Seal cage of vortex by the form of access pipeline, reach the cooling purpose to the inner chamber of compressor, after temperature reduces, temperature-sensitive video disc 9 is closed after sensing the temperature of reduction, pressurized gas in cylinder body reduce, effect by resetting means 12 after pressure on spool 11 reduces gradually resets to initial position, through hole in back-up ring 101 is plugged again, from above-mentioned description, can see, this compressor can complete the cooling to inner chamber in operation, do not need compressor to be shut down, cooling efficiency is high and do not affect the use of compressor, and temperature-sensitive video disc 9 is arranged at the inner chamber of compressor, with be arranged at outside in prior art and compare, its induction to delivery temperature is more accurate, can solve the problem of existing larger temperature departure between the temperature surveyed in prior art and actual temperature, improve the sensitivity of exhaust temperature control device, the inner body of protection compressor, and the cooling unit of this compressor is simple in structure, structure than prior art, its manufacturing cost and use cost is all lower.
Above-mentioned the first through hole 61, the second through hole 104 and third through-hole 105 can also need to be set to a plurality of according to use, the through hole that the first through hole 61 can be set to a plurality of less internal diameters replaces an above-mentioned through hole had than large diameter, the second through hole 104 and third through-hole 105 also can be set to a plurality of, can connect the multichannel pipeline, its quantity not only is confined to above-described one.
As shown in Figure 2, the second above-mentioned through hole 104 can also run through back-up ring 101 settings.
As shown in Figure 1-2, can install one on the second above-mentioned through hole 104 and extend to be communicated with the connecting tube 13 of external refrigeration pipeline (not shown) to the outside of scroll compressor, facilitate the access of cooling line, the end be connected with the second through hole 104 on connecting tube 13 all is arranged with seal ring 131 with the other end that extends scroll compressor, be provided with connecting tube shell 132 on this other end, can sealed inside and outside.
As shown in Figure 2, above-mentioned bump 111 can be a taper, the cone bottom of this taper is fixedly connected with resetting means 12, the mode of being fixedly connected with can adopt the known mode that is fixedly connected with such as be spirally connected to be implemented, and can block in time the through hole in back-up ring 101 from below in wider cone bottom, bottom when spool 11 moves upward.
Above-mentioned resetting means 12 can adopt the known resetting means such as Returnning spring to be implemented.
As shown in Figure 2, the bottom 106 of cylinder body can be for split type with the body of cylinder body, the bottom 106 of this cylinder body is fixedly connected with this body, the mode of being fixedly connected with can adopt the known mode that is fixedly connected with such as be spirally connected to be implemented, and split type design can facilitate to be stretched into spool 11 in the through hole in back-up ring 11 and installed from below.
As shown in Figure 2, the scroll compressor of the present embodiment can also comprise a valve plate 14, it is arranged in epicoele 102 and is fixedly connected with the upper end portion of spool 11 or one-body molded perpendicular to spool 11, the mode of being fixedly connected with can adopt the known mode that is fixedly connected with such as be spirally connected to be implemented.
As shown in Figure 2, between above-mentioned valve plate 14 and the inwall of cylinder body 10, be provided with seal ring 141, the mode of being fixedly connected with can adopt the known mode that is fixedly connected with such as be spirally connected to be implemented.
As shown in Figure 2, be positioned on the outer wall of cylinder body 10 of valve plate 14 tops and can also offer a fourth hole 107 that is communicated with epicoele 102 and low-pressure cavity 8, can facilitate low-pressure cavity 8 to outside pressure release, after temperature-sensitive lamination 9 is opened, pressure leakage can get off to promote spool 11 and open and realize spraying into cooling liquid in low-pressure cavity 8 or cooled gas is lowered the temperature, after temperature reduces, temperature-sensitive lamination 9 can be turned off again, if the pressure remained in epicoele 102 does not release, spool 11 also can not lean on spring-go position device 12 to reset after temperature-sensitive lamination 9 is closed always so, at this moment fourth hole 107 can help the pressure remained in epicoele 102 is released, thereby promote on spool 11 to move the purpose that realizes closing hydrojet, certainly fourth hole 107 also should not be offered excessive, its aperture need be less than the aperture of the first through hole 61, too large words, amount of leakage also can be too many, compressor efficiency while can affect the temperature-sensitive lamination opening and affect epicoele 102 interior pressure and set up speed, thereby also affect the speed of response of hydrojet.
Above-mentioned fourth hole 107 can also need to be set to according to use a plurality of, and the through hole that can be set to a plurality of less internal diameters replaces an above-mentioned through hole had than large diameter, and its quantity not only is confined to above-described one.
As shown in Figure 2, the open-topped place of above-mentioned cylinder body 10 can be provided with adpting flange 108, and cylinder body 10 can carry out as above being fixedly connected with dividing plate 6 by adpting flange 108, facilitates the installation of cylinder body 10.
Can also offer a groove (not shown) that is communicated with epicoele 102 and low-pressure cavity 8 on above-mentioned adpting flange 108 on the one side of connecting partition 6, its position can be flange 108 and the contacted any direction of dividing plate 6, because in fact flange 108 is contacted with dividing plate 6 is two planes, just vary in size, its effect is similar to above-mentioned fourth hole 107.Groove can also need to be set to around adpting flange according to use a plurality of, and its quantity not only is confined to above-described one.
Above-mentioned cylinder body 10 can also be designed to barrel surface, can be so that just realize sealing and processing with economic method, and cost-saving.
As shown in Figure 1-2, the above-mentioned scroll compressor with novel cooling device has also comprised top cover 15 and bottom 17, certainly also should comprise the prerequisite part of other scroll compressors well known in the prior art, at this, no longer all enumerates.
Below introduce working procedure:
During compressor operating, the exhaust gas inside temperature that is arranged at the temperature-sensitive video disc 9 induced compression machines in hyperbaric chamber 7 is opened over after its setting temperature, high pressure-temperature gas in hyperbaric chamber 7 enters in cylinder body 10 by the first through hole 61, promoting spool 11 moves downward, open the through hole in the back-up ring 101 of being blocked by the bump 111 of spool 11, cooling liquid or cooled gas are linked in cylinder body by the second through hole 104, by third through-hole 105, in cylinder body 10, be injected in low-pressure cavity 8 again, perhaps cooling liquid or cooled gas are stored in epicoele 102 in advance, through hole in back-up ring 101 opens rear cooling liquid or cooled gas enters into cavity of resorption 103, by third through-hole 105, enter in low-pressure cavity 8 again, reach the cooling purpose to the inner chamber of compressor, after temperature reduces, temperature-sensitive video disc 9 is closed after sensing the compressor exhaust temperature of reduction, pressurized gas in cylinder body reduce, effect by resetting means 12 after pressure on spool 11 reduces gradually resets to initial position, through hole in back-up ring 101 is plugged again, the compressor inner chamber accurately, automatically and online and non-stop-machine cooling fast.
Other are identical with the described content of embodiment 1, difference is: as shown in Figure 3, the bump 11 of spool 11 replaces taper with rectangular block to be implemented, and its effect is similar to taper, but be convenient to processing and moulding, can need to be selected according to using during enforcement.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (10)
1. the scroll compressor that there is novel cooling device, comprise housing, suction tude, steam outlet pipe,
Motor, rotor shaft assembly and dividing plate, described dividing plate is arranged in described housing, and the inner chamber of described compressor is separated into to hyperbaric chamber and low-pressure cavity, it is characterized in that: described scroll compressor also comprises:
The temperature-sensitive video disc, it is arranged in described hyperbaric chamber and is fixedly connected with described dividing plate, offers the first through hole that at least one is communicated with described hyperbaric chamber and low-pressure cavity on described dividing plate, and described temperature-sensitive video disc covers and is arranged on described the first through hole;
Cylinder body, its relatively described temperature-sensitive video disc and be fixedly connected under described dividing plate and relatively described temperature-sensitive video disc is arranged under described the first through hole, be provided with a back-up ring in described cylinder body, the inner wall shape of its corresponding described cylinder body also is fixedly connected with the inwall of described cylinder body, described back-up ring is divided into epicoele and cavity of resorption by the inner chamber of described cylinder body, also offers at least one second through hole that is communicated with external refrigeration pipeline and described epicoele on described cylinder body and at least one is communicated with the third through-hole of described low-pressure cavity and described cavity of resorption;
Spool, it axially is arranged in described back-up ring along described cylinder body, the underpart of described spool extends to form a bump, the underpart of described bump is connected with the bottom of described cylinder body by a resetting means, described spool is up and down in described back-up ring, after described spool moves upward, described bump with described valve core movement to described back-up ring following and seal the through hole in described back-up ring from below.
2. the scroll compressor with novel cooling device according to claim 1, it is characterized in that: described the second through hole also runs through described back-up ring.
3. the scroll compressor with novel cooling device according to claim 1 and 2, it is characterized in that: install one on described the second through hole and extend to be communicated with the connecting tube of described external refrigeration pipeline to the outside of described scroll compressor, described connecting tube, the upper end be connected with described the second through hole all was arranged with seal ring with the other end that extends described scroll compressor.
4. the scroll compressor with novel cooling device according to claim 1, it is characterized in that: described bump is a taper, the cone bottom of described taper is fixedly connected with described resetting means.
5. the scroll compressor with novel cooling device according to claim 1, it is characterized in that: the bottom of described cylinder body and the body of cylinder body are split type, described bottom is fixedly connected with described body.
6. the scroll compressor with novel cooling device according to claim 1 is characterized in that: also comprise a valve plate, it is arranged in described epicoele perpendicular to described spool and is fixedly connected with the upper end portion of described spool or one-body molded.
7. the scroll compressor with novel cooling device according to claim 6, is characterized in that: between the inwall of described valve plate and described cylinder body, be provided with seal ring.
8. according to the described scroll compressor with novel cooling device of claim 6 or 7, it is characterized in that: be positioned on the outer wall of described cylinder body of described valve plate top and also offer the fourth hole that at least one is communicated with described epicoele and described low-pressure cavity.
9. the scroll compressor with novel cooling device according to claim 1, it is characterized in that: the open-topped place of described cylinder body is provided with adpting flange, and described cylinder body is fixedly connected with described dividing plate by described adpting flange.
10. the scroll compressor with novel cooling device according to claim 9, is characterized in that: on described adpting flange, on the one side of the described dividing plate of connection, also offer the groove that at least one is communicated with described epicoele and described low-pressure cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203244051U CN203321833U (en) | 2013-06-06 | 2013-06-06 | Scroll compressor with novel cooling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013203244051U CN203321833U (en) | 2013-06-06 | 2013-06-06 | Scroll compressor with novel cooling device |
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| CN203321833U true CN203321833U (en) | 2013-12-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235023A (en) * | 2013-06-06 | 2014-12-24 | 苏州英华特涡旋技术有限公司 | Scroll compressor having novel cooling device |
| CN106402030A (en) * | 2015-08-03 | 2017-02-15 | 麦格纳动力系有限两合公司 | Electric compressor |
-
2013
- 2013-06-06 CN CN2013203244051U patent/CN203321833U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235023A (en) * | 2013-06-06 | 2014-12-24 | 苏州英华特涡旋技术有限公司 | Scroll compressor having novel cooling device |
| CN104235023B (en) * | 2013-06-06 | 2016-12-28 | 苏州英华特涡旋技术有限公司 | There is the screw compressor of novel cooling device |
| CN106402030A (en) * | 2015-08-03 | 2017-02-15 | 麦格纳动力系有限两合公司 | Electric compressor |
| US10378555B2 (en) | 2015-08-03 | 2019-08-13 | Magna Powertrain Bad Homburg GmbH | Electric compressor for use in a motor vehicle having a housing with an inner circumferential recess closed by a control unit to form a cooling duct |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20140606 |