Title:
MECHANICAL SEAL COOLING STRUCTURE AND HIGH-PRESSURE HOT WATER PUMP HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2023/168765
Kind Code:
A1
Abstract:
A mechanical seal cooling structure (100) and a high-pressure hot water pump having same. The mechanical seal cooling structure (100) comprises a pump body (20), a cooling section (10), a main shaft (30), and a sealing assembly (40); the cooling section (10) is fixedly arranged on the pump body (20); the main shaft (30) passes through the cooling section (10) to the interior of the pump body (20); a mechanical seal cavity (11), which is around the main shaft (30), is formed in the cooling section (10); a cooling cavity (12), which is around the mechanical seal cavity (11), is further formed in the cooling section (10); the sealing assembly (40) comprises a balance drum (41) and a mechanical seal (42); the mechanical seal cooling structure (100) further comprises a cooling assembly (50), the cooling assembly (50) comprising a cooling pipe (51) arranged in the cooling cavity (12); two ends of the cooling pipe (51) communicate with the mechanical seal cavity (11).
Inventors:
YU MIN (CN)
YU MENGQI (CN)
ZHANG DANYI (CN)
YANG DANFEI (CN)
ZHOU WEIJIAN (CN)
YU MENGQI (CN)
ZHANG DANYI (CN)
YANG DANFEI (CN)
ZHOU WEIJIAN (CN)
Application Number:
PCT/CN2022/083396
Publication Date:
September 14, 2023
Filing Date:
March 28, 2022
Export Citation:
Assignee:
ZHEJIANG PUMP GENERAL CO LTD (CN)
International Classes:
F04D29/12; F04D29/58
Foreign References:
| FR1037555A | 1953-09-21 | |||
| CN101532500A | 2009-09-16 | |||
| CN208348147U | 2019-01-08 | |||
| CN210889439U | 2020-06-30 | |||
| CN201225314Y | 2009-04-22 | |||
| CN2842029Y | 2006-11-29 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (HANGZHOU) (CN)
Download PDF:
Previous Patent: CORE EXTRACTION DEVICE FOR ELECTROFUSION PIPE FITTING
Next Patent: BREATHABLE NON-SEE-THROUGH WARP-KNITTED FABRIC
Next Patent: BREATHABLE NON-SEE-THROUGH WARP-KNITTED FABRIC