NOISE REDUCTION STRUCTURE AND SUPERCHARGING DEVICE

• Main Authors: HOSOYA HIROYUKI, KIM SEOKCHEOL, ONO YOSHIHISA, ONO YUSHI, WADA YASUHIRO, HAYASHI KENTARO
• Format: Patent
• Language: English; Korean
• Published: 09.02.2018
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; STEAM ENGINES; WEAPONS

소음 저감 구조는, 컴프레서 토출측 배관부와, 컴프레서 토출측 배관부의 내주면과의 사이에 공기층을 형성하도록 컴프레서 토출측 배관부의 둘레 방향으로 내주면을 따라서 연장되고, 복수의 관통공을 갖는 제 1 다공판부와, 컴프레서 토출측 배관부의 내부 공간을 컴프레서 토출측 배관부의 직경 방향 또는 둘레 방향으로 구획함으로써, 컴프레서 토출측 배관부 내에 복수의 유로를 형성하는 칸막이부와, 복수의 유로의 각각에 형성되고, 칸막이부와의 사이에 공기층을 형성하도록 칸막이부를 따라서 연장되고, 복수의 관통공을 갖는 제 2 다공판부를 구비한다. A noise reduction structure includes a compressor discharge-side pipe portion, a first porous plate having a plurality of through holes and extending circumferentially along an inner circumferential surface of the compressor discharge-side pipe portion so that an air layer is formed between the first porous plate and the inner circumferential surface, a partition dividing an interior of the compressor discharge-side pipe portion in a radial direction in a circumferential direction of the compressor discharge-side pipe portion so as to form a plurality of flow paths in the compressor discharge-side pipe portion, and a second porous plate having a plurality of through holes. The second porous plate is provided in each of the plurality of flow paths and extends along the partition so that an air layer is formed between the second porous plate and the partition.