Patent ID: 11920844
Assignee: CSIC PRIDE (NANJING) CRYOGENIC TECHNOLOGY CO., LTD.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 4:
5. The air distribution mechanism according to claim 3, wherein the high-pressure passage (6a1) and the valve seat high-pressure passage (6b1) are kept in airtight communication by a sealing ring (b3) that is disposed in a communication place of the high-pressure passage and the valve seat high-pressure passage and that is located on a side of the valve seat high-pressure passage (6b1); and the valve seat air distribution passage (6b2) and the air distribution passage (6a2) are kept in airtight communication through a combination of the sealing ring (b3) and another sealing ring (b4).