Patent Number: 6,332,509

Title: Noise reducer for construction equipment

Abstract: A noise reducer for construction machinery, which efficiently reduces noise at low cost with durability, is provided. For this purpose, lamination plates (8) which are the plates being laminated are bonded, discretely at a predetermined interval (a1), to a part of or the entire of a noise generating element. Lamination plates (8A, 8E) may be bonded discretely at a plurality of kinds of bonding intervals (a1, a2). The lamination plates (8) with the different number of laminations may be bonded according to a noise generating element.

Inventors: Nishikawa; Kenji (Hiratsuka, JP), Tsubota; Haruhiro (Fujisawa, JP), Tsujino; Masao (Hiratsuka, JP)

Assignee: Komatsu Ltd.

International Classification: B62D 55/096 (20060101); B62D 55/20 (20060101); B62D 55/08 (20060101); F16F 15/00 (20060101); G10K 11/00 (20060101); G10K 11/16 (20060101); F16F 007/00 (); F16F 015/00 ()

Expiration Date: 12/25/2018