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公开(公告)号：US11668500B2
公开(公告)日：2023-06-06
申请号：US17261656
申请日：2018-07-27
发明人： Hua Liu , Zhiping Zhang , Hongbo Li , Hu Liang , Xianquan Liu
摘要： The present application discloses a cooling system and a control method thereof; the cooling system includes a compressor unit, a condenser, a first solenoid valve, a second solenoid valve, a first throttle valve and a frequency converter; the second solenoid valve and the first throttle valve are connected with the first solenoid valve in parallel after being connected in series with each other; the compressor unit, the condenser, the first solenoid valve and the frequency converter are connected in series to form a first cooling loop; the compressor unit, the condenser, the second solenoid valve, the first throttle valve and the frequency converter are connected in series to form a second cooling loop; and the frequency converter is internally provided with a temperature detection module and a heat exchange module.
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公开(公告)号：US11578753B2
公开(公告)日：2023-02-14
申请号：US17289077
申请日：2019-10-24
发明人： Hua Liu , Zhiping Zhang , Hongbo Li , Ruixing Zhong , Yuhui Chen , Wenteng Ye , Jingli Qi , Sheng Liu
IPC分类号： F16C17/10 , F04D29/046 , F16C35/02
摘要： The present disclosure relates to a bearing supporting assembly and a machining method thereof, and a centrifugal compressor. The bearing supporting assembly includes: bearing supports, provided with through holes for mounting radial bearings; and a fixing plate, detachably mounted at one end of each of the bearing supports along an axial direction, sides, away from the bearing supports, of the fixing plates being configured to mount first thrust bearings.
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公开(公告)号：US11187448B2
公开(公告)日：2021-11-30
申请号：US16962557
申请日：2018-12-12
发明人： Zhiping Zhang , Zhongkeng Long , Chiliang Luo , Bing Zhang
摘要： The invention provides an air conditioner control method and device and an air conditioner. The air conditioner control device acquires a current temperature of a chilled water of a unit at a preset period; determine a target load of the unit, a target temperature of a chilled water and a target temperature of a cooling water based on a temperature of the chilled water set by a user and the current temperature of the chilled water; determine an evaporating parameter and a condensing parameter of the unit based on the target load of the unit, the target temperature of the chilled water and the target temperature of the cooling water; and determine operation parameters of a compressor based on the target load of the unit, the evaporation parameter and the condensation parameter. Therefore, the unit can operate based on the operation parameters.
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公开(公告)号：US20210270321A1
公开(公告)日：2021-09-02
申请号：US17261196
申请日：2018-12-19
发明人： Hua Liu , Zhiping Zhang , Hongbo Li , Nan Jiang
摘要： The present application relates to a liquid injection ring and a refrigerant lubricated bearing assembly, the liquid injection ring includes a ring body; the ring body is provided with a liquid storage chamber and a plurality of liquid guide holes; the liquid storage chamber is arranged in a circle around the axis of the ring body; the inlets of the liquid guide holes communicate with the liquid storage chamber; the outlets of the liquid guide holes face the end surface of a to-be-lubricated bearing; and the plurality of liquid guide holes are uniformly distributed in a spaced manner along the circumferential direction of the ring body.
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公开(公告)号：USD754754S1
公开(公告)日：2016-04-26
申请号：US29512821
申请日：2014-12-23
设计人： Hongxing Wang , Zhiping Zhang , Ruixing Zhong , Nan Jiang , Rong Xie , Caiyun Jiang , Jianfei Liu , Yuhui Chen , Baoqian Huang
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公开(公告)号：US11578733B2
公开(公告)日：2023-02-14
申请号：US17287885
申请日：2019-10-23
发明人： Hua Liu , Zhiping Zhang , Jian Chen
摘要： The disclosure relates to a centrifugal compressor and a diffuser; the diffuser includes a pressure drive mechanism, a first diffuser part, a second diffuser part and a movable diffuser part movable diffuser part being connected with the pressure drive mechanism and movably arranged on one of the first diffuser part and the second diffuser part; moreover, the movable diffuser part gets close to or leaves away from the other one of the first diffuser part and the second diffuser parts under the action of a pressure medium in the pressure drive mechanism so as to adjust a width of a pressure diffusion flow channel and prevent adverse phenomena such as gas flow stall and surging.
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公开(公告)号：US11280343B2
公开(公告)日：2022-03-22
申请号：US16762228
申请日：2017-12-28
发明人： Nan Jiang , Zhiping Zhang , Ruixing Zhong , Caiyun Jiang , Yuhui Chen , Yi Zhou , Liandong Lei , Zengyue Liu , Jian Chen , Xinwang Ouyang
IPC分类号： F04D29/056 , F04D29/053 , F04D29/28 , F04D29/62 , F04D29/60 , F16C19/06
摘要： Some embodiments of the disclosure provide a bearing installation and fixation structure and a compressor. The bearing installation and fixation structure includes: a rotatable shaft (7); a bearing (6), provided on the rotatable shaft (7) in a sleeving manner; and an axial locating member, provided on the rotatable shaft (7) in a sleeving manner and including a fixing connecting section (1) and an axial locating section (2) that are integrated with each other; the fixing connecting section (1) is detachably fixed on the rotatable shaft (7); and the axial locating section (2) limits a position of the bearing (6) axially.
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公开(公告)号：US20220010812A1
公开(公告)日：2022-01-13
申请号：US17289077
申请日：2019-10-24
发明人： Hua Liu , Zhiping Zhang , Hongbo Li , Ruixing Zhong , Yuhui Chen , Wenteng Ye , Jingli Qi , Sheng Liu
IPC分类号： F04D29/62 , F04D29/056 , F04D29/046 , F16C17/10
摘要： The present disclosure relates to a bearing supporting assembly and a machining method thereof, and a centrifugal compressor. The bearing supporting assembly includes: bearing supports, provided with through holes for mounting radial bearings; and a fixing plate, detachably mounted at one end of each of the bearing supports along an axial direction, sides, away from the bearing supports, of the fixing plates being configured to mount first thrust bearings.
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公开(公告)号：US20220003238A1
公开(公告)日：2022-01-06
申请号：US17295723
申请日：2019-10-24
发明人： Hua Liu , Zhiping Zhang , Hongbo Li , Ruixing Zhong , Yuhui Chen , Wenteng Ye , Jingli Qi , Sheng Liu
IPC分类号： F04D29/051 , F04D17/10 , F04D29/053 , F04D29/44
摘要： The present disclosure relates to a centrifugal compressor and air conditioning equipment. The centrifugal compressor includes: a main shaft; a diffuser, provided with a first thrust bearing at one end away from a diffusion surface; a supporting assembly, provided with a second thrust bearing at one end facing towards the diffuser; and a thrust disk, configured to rotate together with the main shaft, located between the diffuser and the supporting assembly along an axial direction and provided with a thrust portion, a clearance between one side of the thrust portion and the first thrust bearing and a clearance between the other side of the thrust portion and the second thrust bearing being limited through mutual abutting of the diffuser and the supporting assembly.
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公开(公告)号：US20210262712A1
公开(公告)日：2021-08-26
申请号：US17261656
申请日：2018-12-19
发明人： Hua Liu , Zhiping Zhang , Hongbo Li , Hu Liang , Xianquan Liu
摘要： The present application discloses a cooling system and a control method thereof; the cooling system includes a compressor unit, a condenser, a first solenoid valve, a second solenoid valve, a first throttle valve and a frequency converter; the second solenoid valve and the first throttle valve are connected with the first solenoid valve in parallel after being connected in series with each other; the compressor unit, the condenser, the first solenoid valve and the frequency converter are connected in series to form a first cooling loop; the compressor unit, the condenser, the second solenoid valve, the first throttle valve and the frequency converter are connected in series to form a second cooling loop; and the frequency converter is internally provided with a temperature detection module and a heat exchange module.
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