Patent ID: 11946485
Assignee: HARBIN ENGINEERING UNIVERSITY
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 3:
4. The air intake bypass recirculation structure with adjustable air entraining amount and controllable broadband noise according to claim 1, wherein, when N is 2:
the intra-cavity airflow baffles comprise a first intra-cavity airflow baffle and a second intra-cavity airflow baffle;
one annular slot is formed in the annular valve;
the annular valve is divided into two annular inserting plates arranged coaxially through the annular slot; and
a length difference between the second intra-cavity airflow baffle and the first intra-cavity airflow baffle is smaller than a depth of the annular slot.