WO2018072517A1 - 空调器及其螺杆压缩机 - Google Patents

空调器及其螺杆压缩机 Download PDF

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Publication number
WO2018072517A1
WO2018072517A1 PCT/CN2017/094930 CN2017094930W WO2018072517A1 WO 2018072517 A1 WO2018072517 A1 WO 2018072517A1 CN 2017094930 W CN2017094930 W CN 2017094930W WO 2018072517 A1 WO2018072517 A1 WO 2018072517A1
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liquid
motor
screw compressor
liquid chamber
chamber
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PCT/CN2017/094930
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English (en)
French (fr)
Inventor
张贺龙
张天翼
李日华
孟强军
曹聪
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珠海格力电器股份有限公司
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Publication of WO2018072517A1 publication Critical patent/WO2018072517A1/zh

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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
    • F04C29/04—Heating; Cooling; Heat insulation
    • F04C29/045—Heating; Cooling; Heat insulation of the electric motor in hermetic pumps
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

Definitions

  • the present invention relates to the field of air conditioning technology, and more particularly to an air conditioner and a screw compressor thereof.
  • Screw compressors are widely used in air conditioners, especially low temperature screw compressors. They are small in size and compact in structure for low temperature environments.
  • the structure of the low temperature screw compressor includes a body, one end of the body is fixedly connected with the suction end cover, and the end of the body and the suction end cover is hollow inside, and the suction end cover is connected with the body to form a motor cavity. That is, the hollow portion of the end of the body and the interior of the suction end cover together form a motor cavity.
  • the motor of the low temperature screw compressor is mounted inside the motor cavity.
  • the temperature of the motor is high, and there is a risk of motor burnout.
  • the liquid is sprayed on the top of the motor to cool it, but this can only cool the part of the motor.
  • the overall cooling effect of the motor is not ideal, resulting in the motor not meeting more conditions.
  • the first object of the present invention is to provide a screw compressor, the structural design of the screw compressor can effectively solve the problem that the overall cooling effect of the motor is not good, and a second object of the present invention is to provide a screw An air conditioner including the above screw compressor.
  • the present invention provides the following technical solutions:
  • a screw compressor includes a hollow body and an air suction end cover at one end, and the body and the air suction end cover are connected to form a motor cavity, and a liquid cavity is disposed inside the motor cavity wall, and the
  • the liquid chamber has a liquid inlet and a liquid outlet, and the liquid inlet communicates with the outside of the body and the inside of the liquid chamber.
  • the liquid outlet communicates with the liquid chamber and the motor chamber.
  • the liquid outlet is located at the top of the liquid chamber.
  • a liquid discharge valve is provided at the liquid inlet.
  • the liquid inlet is located at the top of the liquid chamber.
  • the liquid discharge valve is a taper threaded valve.
  • the liquid chamber is entirely annular and disposed circumferentially around the motor inside the motor cavity.
  • the liquid chamber has a square cross section.
  • a part of the liquid chamber is located on the body, and another part is located on the suction end cover.
  • the liquid chamber is entirely located on the body.
  • An air conditioner comprising the screw compressor of any one of the above.
  • the screw compressor provided by the invention comprises a body and an air suction end cover.
  • the structure is the same as that in the prior art, and the end of the body and the suction end cover is hollow inside, and the body and the suction end cover are fixedly connected to form a motor.
  • the cavity that is, the hollow portion of the body and the inside of the suction end cover together form a motor cavity, and the motor of the screw compressor is mounted and fixed in the motor cavity.
  • the main point is that a liquid chamber is arranged inside the wall of the motor, and the liquid chamber has a liquid inlet and a liquid outlet, and the liquid inlet communicates with the outside of the body and the inside of the liquid chamber.
  • a liquid cavity is formed inside the wall of the motor cavity, and the coolant can flow into the liquid cavity from the outside of the body through the liquid inlet to cool the wall of the motor cavity, and heat exchange between the wall of the motor and the inside of the motor cavity, and then The motor is cooled.
  • the motor cavity wall is first cooled by the coolant in the liquid chamber, thereby lowering the temperature of the motor, so that the overall cooling temperature of the motor is more balanced, and the motor can satisfy more working conditions.
  • the present invention also provides an air conditioner comprising any of the above screw compressors. Since the screw compressor described above has the above technical effects, the air conditioner having the screw compressor should also have a corresponding technical effect.
  • FIG. 1 is a cross-sectional view of a machine body according to an embodiment of the present invention.
  • Figure 2 is a partial enlarged view of the portion A of Figure 1;
  • FIG. 3 is a cross-sectional view of an inhalation end cap according to an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view of the body and the suction end cap assembled according to an embodiment of the present invention.
  • a first object of the present invention is to provide a screw compressor whose structural design can effectively solve the problem that the overall cooling effect of the motor is not good, and a second object of the present invention is to provide a screw compression comprising the above Air conditioner for the machine.
  • the screw compressor provided by the embodiment of the present invention includes a body 1 and an air suction end cover 4, which is the same as the structure in the prior art, and the end of the end of the body 1 connected to the suction end cover 4 is hollow.
  • the body 1 and the suction end cover 4 are fixedly connected to form a motor cavity 3, that is, the hollow portion of the body 1 and the inside of the suction end cover 4 together form a motor cavity 3, and the motor 6 of the screw compressor is fixed and fixed in the motor cavity. 3 inside.
  • the inside of the motor chamber wall is provided with a liquid chamber 2, and the liquid chamber 2 has a liquid inlet port 21 and a liquid outlet port 22, and the liquid inlet port 21 communicates with the outside of the body 1 and the inside of the liquid chamber 2. That is, the liquid chamber 2 is hollowly formed inside the wall of the motor cavity 3, and the coolant can flow into the liquid chamber 2 from the outside of the body 1 through the liquid inlet 21 to cool the wall of the motor cavity 3, and the motor cavity wall and the motor cavity 3 Internal heat exchange to cool the motor.
  • the wall of the motor 6 is cooled by the coolant in the liquid chamber 2, thereby further reducing the temperature of the motor 6, so that the overall cooling of the motor 6 is more balanced, and the motor 6 can be satisfied.
  • the coolant can be water.
  • the liquid outlet 22 can communicate with the liquid chamber 2 and the motor chamber 3, that is, the coolant in the liquid chamber 2 can flow into the motor chamber 3 through the liquid outlet 22, and enter the cooling liquid of the motor chamber 3. Electricity The outer wall of the machine 6 is in contact to further cool the motor 6.
  • the liquid outlet 22 is located at the top of the liquid chamber 2, so that the coolant entering the liquid chamber 2 first flows to the bottom of the liquid chamber 2 due to gravity, until the coolant fills the liquid chamber 2, and then flows out through the liquid outlet 22, This ensures adequate cooling of the motor chamber wall by the coolant.
  • the liquid outlet 22 can also be located in the middle or the bottom of the liquid chamber 2, which is not limited herein.
  • liquid outlet 22 can also communicate with the liquid chamber 2 and the outside of the body 1, that is, the coolant in the liquid chamber 2 is subjected to heat exchange and then flows out of the liquid chamber 2 to the outside of the body 1 through the liquid outlet 22, which is not limited herein.
  • the liquid discharge valve 5 can also be provided at the liquid inlet port 21.
  • the coolant is sprayed into the liquid chamber 2 through the liquid discharge valve 5, which increases the heat exchange area of the coolant, and accordingly improves the cooling effect of the motor.
  • the liquid inlet port 21 can also be located at the top of the liquid chamber 2, so that the coolant is sprayed from the top of the liquid chamber 2, which increases the contact time between the coolant and the motor chamber wall, further ensuring the heat exchange effect.
  • the liquid inlet 21 can also be located in the middle or bottom of the liquid chamber 2, which is not limited herein.
  • the spray valve 5 is a taper threaded valve.
  • the liquid chamber 2 is entirely annular and is disposed circumferentially around the motor inside the motor chamber. That is, the axis of the annular liquid chamber 2 is arranged to coincide with the axis of the motor, and the coolant in the liquid chamber 2 can cool the motor chamber wall in the circumferential direction of the motor.
  • the cross section of the liquid chamber 2 is square.
  • the cross section of the liquid chamber 2 may be circular, elliptical or the like, which is not limited herein.
  • the liquid chamber 2 can also have other shapes, such as a plurality of straight lines parallel to each other, which are not limited herein.
  • liquid chamber When the liquid chamber is annular, it is only necessary to process the portion of the body opposite to the motor into a double wall, and the gap between the two walls forms a liquid chamber.
  • liquid chamber 2 In order to increase the volume of the liquid chamber 2, a part of the liquid chamber 2 is located on the body 1, and the other part is located on the suction end cover 4. Thus, the coolant in the liquid chamber 2 simultaneously cools the body 1 and the suction end cover 4, thereby improving the cooling effect.
  • the liquid chamber 2 can also be located entirely on the body 1, which is not limited herein.
  • the present invention also provides an air conditioner comprising the screw compressor of any of the above embodiments. Since the air conditioner employs the screw compressor of the above embodiment, the advantageous effects of the air conditioner are referred to the above embodiment.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)

Abstract

一种螺杆压缩机，包括一端内部中空的机体（1）和吸气端盖（4），且所述机体（1）和吸气端盖（4）连接后共同围成电机腔（3），所述电机腔（3）壁的内部设置有液腔（2），且所述液腔（2）具有进液口（21）和出液口（22），所述进液口（21）连通所述机体（1）外部和液腔（2）内部。以及包括这种螺杆压缩机的空调器。在这种螺杆压缩机中，首先通过液腔（2）内的冷却液对电机腔（3）壁进行冷却，进而实现对电机的降温，使电机整体降温更加均衡，保证了电机能够满足较多工况。

Description

空调器及其螺杆压缩机
本申请要求于2016年10月21日提交中国专利局、申请号为201610917666.2、申请名称为“空调器及其螺杆压缩机”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及空调技术领域，更具体地说，涉及一种空调器及其螺杆压缩机。
背景技术
螺杆压缩机广泛应用于空调器上，尤其是低温螺杆压缩机以其体积小、结构紧凑适用于低温环境。低温螺杆压缩机的结构中包括机体，机体的一端与吸气端盖固定连接，并且机体与吸气端盖连接的端部内部中空，吸气端盖与机体连接后两者共同围成电机腔，即机体端部的中空部位与吸气端盖的内部共同形成电机腔。低温螺杆压缩机的电机安装在电机腔内部。
螺杆压缩机运行过程中，其电机的温度较高，存在电机烧坏的风险，现有技术中采用向电机顶部喷液的方式对其进行冷却，但如此只能对电机的局部进行降温，而电机整体的降温效果不理想，导致电机不能满足较多工况。
综上所述，如何有效地解决电机整体降温效果不好的问题，是目前本领域技术人员急需解决的问题。
发明内容
有鉴于此，本发明的第一个目的在于提供一种螺杆压缩机，该螺杆压缩机的结构设计可以有效地解决电机整体降温效果不好的问题，本发明的第二个目的是提供一种包括上述螺杆压缩机的空调器。
为了达到上述第一个目的，本发明提供如下技术方案：
一种螺杆压缩机，包括一端内部中空的机体和吸气端盖，且所述机体和吸气端盖连接后共同围成电机腔，所述电机腔壁的内部设置有液腔，且所述液腔具有进液口和出液口，所述进液口连通所述机体外部和液腔内部。
优选地，上述螺杆压缩机中，所述出液口连通所述液腔和所述电机腔。
优选地，上述螺杆压缩机中，所述出液口位于所述液腔的顶部。
优选地，上述螺杆压缩机中，所述进液口处设置有喷液阀。
优选地，上述螺杆压缩机中，所述进液口位于所述液腔的顶部。
优选地，上述螺杆压缩机中，所述喷液阀为锥螺纹阀。
优选地，上述螺杆压缩机中，所述液腔整体为环形且围绕所述电机腔内部的电机周向设置。
优选地，上述螺杆压缩机中，所述液腔的截面为方形。
优选地，上述螺杆压缩机中，所述液腔的一部分位于所述机体上，另一部分位于所述吸气端盖上。
优选地，上述螺杆压缩机中，所述液腔全部位于所述机体上。
一种空调器，包括如上述中任一项所述的螺杆压缩机。
本发明提供的螺杆压缩机包括机体和吸气端盖，与现有技术中的结构相同，机体与吸气端盖连接的端部内部中空，机体和吸气端盖固定连接后共同围成电机腔，即机体的中空部和吸气端盖的内部共同形成电机腔，螺杆压缩机的电机安装固定在电机腔内。重点在于，电机腔壁的内部设置有液腔，且液腔具有进液口和出液口，进液口连通机体外部和液腔内部。即围成电机腔的壁内部中空形成液腔，冷却液可以经进液口从机体外部流入液腔内，以对电机腔的壁进行冷却，电机腔壁与电机腔内部进行热交换，进而对电机进行降温。本发明提供的螺杆压缩机中，首先通过液腔内的冷却液对电机腔壁进行冷却，进而实现对电机的降温，使电机整体降温更加均衡，保证了电机能够满足较多工况。
为了达到上述第二个目的，本发明还提供了一种空调器，该空调器包括上述任一种螺杆压缩机。由于上述的螺杆压缩机具有上述技术效果，具有该螺杆压缩机的空调器也应具有相应的技术效果。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的机体的剖视图；
图2为图1中A部位的局部放大图；
图3为本发明实施例提供的吸气端盖的剖视图；
图4为本发明实施例提供的机体与吸气端盖组装后的剖视图。
在图1-4中：
1-机体、2-液腔、21-进液口、22-出液口、3-电机腔、4-吸气端盖、5-喷液阀、6-电机。
具体实施方式
本发明的第一个目的在于提供一种螺杆压缩机，该螺杆压缩机的结构设计可以有效地解决电机整体降温效果不好的问题，本发明的第二个目的是提供一种包括上述螺杆压缩机的空调器。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1-图4，本发明实施例提供的螺杆压缩机包括机体1和吸气端盖4，与现有技术中的结构相同，机体1与吸气端盖4连接的端部内部中空，机体1和吸气端盖4固定连接后共同围成电机腔3，即机体1的中空部和吸气端盖4的内部共同形成电机腔3，螺杆压缩机的电机6安装固定在电机腔3内。重点在于，电机腔壁的内部设置有液腔2，且液腔2具有进液口21和出液口22，进液口21连通机体1外部和液腔2内部。即围成电机腔3的壁内部中空形成液腔2，冷却液可以经进液口21从机体1外部流入液腔2内，以对电机腔3的壁进行冷却，电机腔壁与电机腔3内部进行热交换，进而对电机进行降温。本发明提供的螺杆压缩机中，首先通过液腔2内的冷却液对电机6腔壁进行冷却，进而实现对电机6的降温，使电机6整体降温更加均衡，保证了电机6能够满足较多工况。其中，冷却液可以为水。
为了进一步提高电机6冷却效果，其中出液口22可以连通液腔2和电机腔3，即液腔2内的冷却液可以经出液口22流入电机腔3，进入电机腔3的冷却液与电 机6外壁接触以进一步对电机6降温。优选地，出液口22位于液腔2的顶部，如此进入液腔2内部的冷却液由于重力首先流至液腔2底部，直至冷却液充满液腔2后才会经出液口22流出，以此保证了冷却液对电机腔壁的充分冷却。当然，出液口22也可以位于液腔2的中部或者底部，在此不作限定。
当然，出液口22还可以连通液腔2和机体1外部，即液腔2内的冷却液进行换热后经出液口22流出液腔2至机体1外部，在此不作限定。
为了进一步优化上述实施例，还可以在进液口21处设置喷液阀5。如此设置，冷却液经喷液阀5喷射至液腔2内部，增加了冷却液的换热面积，相应提高了电机的冷却效果。进液口21也可以位于液腔2的顶部，如此冷却液由液腔2顶部喷射而下，增加了冷却液与电机腔壁的接触时间，进一步保证了换热效果。当然，进液口21也可以位于液腔2中部或者底部，在此不作限定。
为了保证喷液阀5安装的稳定性以及密封性，其中喷液阀5为锥螺纹阀。
其中，液腔2整体为环形且围绕电机腔内部的电机周向设置。即环形液腔2的轴线与电机的轴线重合设置，液腔2内的冷却液能够对电机周向的电机腔壁进行冷却。为了便于加工，液腔2的截面为方形，当然液腔2的截面也可以为圆形、椭圆形等，在此不作限定。液腔2也可以为其它形状，比如多个相互平行的直线形，在此不作限定。
液腔为环形时，只需将机体与电机相对的部位加工为双层壁即可，两层壁之间的间隙形成液腔。
为了增加液腔2的容积，其中液腔2的一部分位于机体1上，另一部分位于吸气端盖4上。如此液腔2中的冷却液同时对机体1和吸气端盖4进行冷却，提高了冷却效果。当然，液腔2也可以全部位于机体1上，在此不作限定。
基于上述实施例中提供的螺杆压缩机，本发明还提供了一种空调器，该空调器包括上述实施例中任意一种螺杆压缩机。由于该空调采用了上述实施例中的螺杆压缩机，所以该空调器的有益效果请参考上述实施例。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本 发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (11)

  1. 一种螺杆压缩机，包括一端内部中空的机体(1)和吸气端盖(4)，且所述机体(1)和吸气端盖(4)连接后共同围成电机腔(3)，其特征在于，所述电机腔壁的内部设置有液腔(2)，且所述液腔(2)具有进液口(21)和出液口(22)，所述进液口(21)连通所述机体(1)外部和液腔(2)内部。
  2. 根据权利要求1所述的螺杆压缩机，其特征在于，所述出液口(22)连通所述液腔(2)和所述电机腔(3)。
  3. 根据权利要求1或2所述的螺杆压缩机，其特征在于，所述出液口(22)位于所述液腔(2)的顶部。
  4. 根据权利要求1所述的螺杆压缩机，其特征在于，所述进液口(21)处设置有喷液阀(5)。
  5. 根据权利要求1或4所述的螺杆压缩机，其特征在于，所述进液口(21)位于所述液腔(2)的顶部。
  6. 根据权利要求4所述的螺杆压缩机，其特征在于，所述喷液阀(5)为锥螺纹阀。
  7. 根据权利要求1所述的螺杆压缩机，其特征在于，所述液腔(2)整体为环形且围绕所述电机腔内部的电机周向设置。
  8. 根据权利要求1或7所述的螺杆压缩机，其特征在于，所述液腔(2)的截面为方形。
  9. 根据权利要求1或7所述的螺杆压缩机，其特征在于，所述液腔(2)的一部分位于所述机体(1)上，另一部分位于所述吸气端盖(4)上。
  10. 根据权利要求1或7所述的螺杆压缩机，其特征在于，所述液腔(2)全部位于所述机体(1)上。
  11. 一种空调器，其特征在于，包括如权利要求1-10中任一项所述的螺杆压缩机。
PCT/CN2017/094930 2016-10-21 2017-07-28 空调器及其螺杆压缩机 WO2018072517A1 (zh)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106401976A (zh) * 2016-10-21 2017-02-15 珠海格力电器股份有限公司 空调器及其螺杆压缩机
CN111963427B (zh) * 2019-05-20 2022-06-14 复盛实业(上海)有限公司 螺旋式压缩机

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6328540B1 (en) * 1999-06-09 2001-12-11 Sterling Fluid Systems (Germany) Gmbh Rotary piston compressor with an axial direction of delivery
CN1496447A (zh) * 2001-03-06 2004-05-12 ���տ�˹�ɷ����޹�˾ 注水式螺杆压缩机
CN1512065A (zh) * 1998-09-17 2004-07-14 ������������ʽ���� 无油润滑螺旋式压缩机
CN101660532A (zh) * 2008-08-29 2010-03-03 中国科学院沈阳科学仪器研制中心有限公司 一种多级干式真空泵的水冷系统
CN102352842A (zh) * 2011-09-22 2012-02-15 烟台冰轮股份有限公司 一种新型水冷半封螺杆压缩机
CN203430780U (zh) * 2013-08-13 2014-02-12 福建雪人压缩机科技有限公司 一种半封闭可变频高速螺杆制冷压缩机
CN204402888U (zh) * 2014-12-31 2015-06-17 烟台冰轮股份有限公司 一种水冷半封螺杆压缩机
CN106401976A (zh) * 2016-10-21 2017-02-15 珠海格力电器股份有限公司 空调器及其螺杆压缩机
CN206144795U (zh) * 2016-10-21 2017-05-03 珠海格力电器股份有限公司 空调器及其螺杆压缩机

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07317684A (ja) * 1994-05-25 1995-12-05 Hitachi Ltd 密閉形電動圧縮機および冷却装置
US5947711A (en) * 1997-04-16 1999-09-07 Gardner Denver Machinery, Inc. Rotary screw air compressor having a separator and a cooler fan assembly
CN201094148Y (zh) * 2007-02-06 2008-07-30 邢培良 一种节能水冷永磁变频调速三相电机
CN101334036B (zh) * 2007-06-29 2010-10-13 上海汉钟精机股份有限公司 半封闭螺杆式制冷压缩机导流罩
CN103532307B (zh) * 2013-10-21 2016-05-04 南车株洲电力机车研究所有限公司 一种永磁同步牵引电机及其油冷却装置
CN103532308B (zh) * 2013-10-30 2016-03-23 吴家伟 一种制冷剂液体冷却电机的半封螺杆压缩机
CN103683673B (zh) * 2013-11-13 2016-08-17 华南理工大学 一种直接喷淋式电机冷却系统
CN104912809B (zh) * 2014-03-14 2017-08-01 珠海格力电器股份有限公司 压缩机及具有其的空调器
CN105402135A (zh) * 2014-08-18 2016-03-16 珠海格力节能环保制冷技术研究中心有限公司 旋转式压缩机
EP3263903B1 (en) * 2015-02-25 2020-11-04 Hitachi Industrial Equipment Systems Co., Ltd. Oilless compressor

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1512065A (zh) * 1998-09-17 2004-07-14 ������������ʽ���� 无油润滑螺旋式压缩机
US6328540B1 (en) * 1999-06-09 2001-12-11 Sterling Fluid Systems (Germany) Gmbh Rotary piston compressor with an axial direction of delivery
CN1496447A (zh) * 2001-03-06 2004-05-12 ���տ�˹�ɷ����޹�˾ 注水式螺杆压缩机
CN101660532A (zh) * 2008-08-29 2010-03-03 中国科学院沈阳科学仪器研制中心有限公司 一种多级干式真空泵的水冷系统
CN102352842A (zh) * 2011-09-22 2012-02-15 烟台冰轮股份有限公司 一种新型水冷半封螺杆压缩机
CN203430780U (zh) * 2013-08-13 2014-02-12 福建雪人压缩机科技有限公司 一种半封闭可变频高速螺杆制冷压缩机
CN204402888U (zh) * 2014-12-31 2015-06-17 烟台冰轮股份有限公司 一种水冷半封螺杆压缩机
CN106401976A (zh) * 2016-10-21 2017-02-15 珠海格力电器股份有限公司 空调器及其螺杆压缩机
CN206144795U (zh) * 2016-10-21 2017-05-03 珠海格力电器股份有限公司 空调器及其螺杆压缩机

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