Title:
CARBON DIOXIDE AIR CONDITIONER HEAT PUMP SYSTEM PIPELINE CONNECTION FLANGE SEALING ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2023/159939
Kind Code:
A1
Abstract:
A carbon dioxide air conditioner heat pump system pipeline connection flange sealing assembly, comprising a first connecting block (1) and a second connecting block (2). The first connecting block (1) is provided with a protruding portion (11), the second connecting block (2) is provided with a recess portion (21), and the protruding portion (11) is located in the recess portion (21); a sealing gasket (3) is provided between the protruding portion (11) and the recess portion (21), and the sealing gasket (3) is a cap-shaped gasket provided with a hole in the middle and is sleeved on the protruding portion (11). An existing sealing assembly composed of two parts is combined to form a cap-shaped gasket, the cap-shaped sealing gasket can be conveniently sleeved on the protruding portion during installation, and after being fixed by pressing, the cap-shaped sealing gasket is pressed between the first connecting block and the second connecting block after the first connecting block and the second connecting block are assembled, so as to form an effective sealing structure, so that product assembling efficiency can be greatly improved, and the structure of a sealing gasket assembly is simplified.
More Like This:
Inventors:
LU CHUNHONG (CN)
SONG XIAOWEI (CN)
HUANG LI (CN)
SONG XIAOWEI (CN)
HUANG LI (CN)
Application Number:
PCT/CN2022/121162
Publication Date:
August 31, 2023
Filing Date:
September 26, 2022
Export Citation:
Assignee:
SHANGHAI ZHONGYUAN FUEL RAIL MFT CO LTD (CN)
International Classes:
F16L23/16
Foreign References:
| CN114576448A | 2022-06-03 | |||
| EP2058564A1 | 2009-05-13 | |||
| US6834893B2 | 2004-12-28 | |||
| CN108561644A | 2018-09-21 | |||
| CN109424808A | 2019-03-05 | |||
| CN1530584A | 2004-09-22 | |||
| CN112572090A | 2021-03-30 | |||
| DE102006029645A1 | 2008-01-10 | |||
| JP2001099594A | 2001-04-13 | |||
| US20040178631A1 | 2004-09-16 |
Attorney, Agent or Firm:
SHANGHAI KESHENG INTELLECTUAL PROPERTY AGENCY LTD. (CN)
Download PDF: