Title:
WATER CHILLER UNIT
Document Type and Number:
WIPO Patent Application WO/2023/184768
Kind Code:
A1
Abstract:
A water chiller unit. The water chiller unit comprises: a casing (100); a compressor arranged in the casing (100), the casing (100) comprising a volute case (110) and a motor casing (120), and the motor casing (120) comprising a casing body (121), a front end cap (122) and a rear end cap (123); a first rotating shaft (130), two ends of which being provided with a first front bearing (131) and a first rear bearing (132); a second rotating shaft (140), two ends of which being provided with bearing assemblies; a first oil storage unit (150) above the casing (100); a second oil storage unit (160) which is built in the casing (100) and communicates with the first oil storage unit (150) by means of an supply oil circuit (900), an oil supply device (191) and a cooling device (800) being arranged on the supply oil circuit (900); and a bearing lubrication oil circuit channel, which is formed on a wall of the casing (100) and via which the first oil storage unit (150) communicates with each bearing, the bearing lubrication oil circuit channel at least comprising: a first lubrication oil circuit, via which the first oil storage unit (150) communicates with a first rotating shaft bearing assembly, a second rear lubrication oil circuit (300), via which the first oil storage unit (150) communicates with a first rear bearing (132), and a second front lubrication oil circuit (400), via which the first oil storage unit (150) communicates with a first front bearing (131).
Inventors:
CAO CHENGLIN (CN)
WEI WENPENG (CN)
CONG HUI (CN)
FENG XU (CN)
MA ZHEN (CN)
WEI WENPENG (CN)
CONG HUI (CN)
FENG XU (CN)
MA ZHEN (CN)
Application Number:
PCT/CN2022/103198
Publication Date:
October 05, 2023
Filing Date:
June 30, 2022
Export Citation:
Assignee:
QINGDAO HISENSE HITACHI AIR CONDITIONING SYS CO LTD (CN)
International Classes:
F04D29/063; F04D17/10; F04D25/06; F04D29/056; F04D29/58; F25B1/053; F25B31/00; F25B31/02; F25B41/40; F25B43/00; F25B43/02
Foreign References:
| CN103047190A | 2013-04-17 | |||
| CN201025264Y | 2008-02-20 | |||
| CN105114341A | 2015-12-02 | |||
| CN205422846U | 2016-08-03 | |||
| CN214626711U | 2021-11-05 | |||
| CN112648204A | 2021-04-13 | |||
| JP2014192342A | 2014-10-06 | |||
| JPH10232034A | 1998-09-02 |
Attorney, Agent or Firm:
BEIJING ZBSD PATENT&TRADEMARK AGENT LTD. (CN)
Download PDF:
Previous Patent: SLIDER, TELESCOPIC BOOM, AND WORK MACHINERY
Next Patent: GEAR SHIFT ADJUSTMENT DEVICE AND BASE STATION ANTENNA
Next Patent: GEAR SHIFT ADJUSTMENT DEVICE AND BASE STATION ANTENNA