Patent · US Expired

Silencer and air conditioner

US6148631A · kind A · utility

22Cited by
5References
36Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMay 13, 1999
Grant dateNov 21, 2000
Priority date
Expiry dateMay 13, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B30/70
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A plurality of honeycomb pipes bundling a plurality of fine tubes are inserted and fixed at desired positions in a refrigerant piping at proper intervals to form a silencer, and noise is reduced by straightening and homogenizing the disturbance of refrigerant and attenuating transmission of pressure pulsations.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.