US 11,905,916 B1
Turbocharger air intake silencer with adjustable cavity space structure
Yipeng Cao, Harbin (CN); Zequn Ma, Harbin (CN); Chen Liu, Harbin (CN); Runze Zhang, Harbin (CN); Xinyu Zhang, Harbin (CN); Wenping Zhang, Harbin (CN); Zhuoyan Feng, Harbin (CN); Yuan Gao, Harbin (CN); Xiaochen Zhao, Harbin (CN); and Gongmin Liu, Harbin (CN)
Assigned to HARBIN ENGINEERING UNIVERSITY, Harbin (CN)
Filed by HARBIN ENGINEERING UNIVERSITY, Harbin (CN)
Filed on Aug. 1, 2023, as Appl. No. 18/363,352.
Claims priority of application No. 202210920773.6 (CN), filed on Aug. 2, 2022.
Int. Cl. F02M 35/12 (2006.01)
CPC F02M 35/1261 (2013.01) [F02M 35/1288 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A turbocharger air intake silencer with an adjustable cavity space structure, comprising a silencer connecting flange and a first resonator device, wherein the first resonator device comprises a first silencer sealing plate, a first annular sound absorption cavity body, a first rotary table, a first rotary steering gear and a first valve,
a first sound absorption cavity is enclosed by the first silencer sealing plate, the first annular sound absorption cavity body, the first valve and the first rotary table, a first sound absorption cavity inlet pipe is provided beside the first sound absorption cavity, and the first sound absorption cavity and the first sound absorption cavity inlet pipe form a Helmholtz resonator,
the first rotary steering gear is mounted on the silencer connecting flange, the first rotary steering gear is connected with a first rotary rack, and the first valve, the first rotary table and the first rotary rack are connected to one another; and
the first sound absorption cavity inlet pipe comprises a large fan-shaped cavity and a small fan-shaped cavity, the large fan-shaped cavity is formed along a radial direction of the first annular sound absorption cavity body, the small fan-shaped cavity is formed on one side of the large fan-shaped cavity, the large fan-shaped cavity communicates with the small fan-shaped cavity, and the first valve is mounted in the small fan-shaped cavity.