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

Claim 3:
4. The air distribution mechanism according to claim 3, wherein the high-pressure passage (6a1) and the valve seat high-pressure passage (6b1) are capable of being in communication with the air distribution passage (6a2), the valve seat air distribution passage (6b2), and the cover air hole (21) through a high-pressure groove (72) on the rotary valve (7); or the valve seat air distribution passage (6b2) and the air distribution passage (6a2) are in communication with a low-pressure passage (22) on the cover (2) through a low-pressure hole (71) running through the rotary valve (7).