Title:
冷却剤コンプレッサー用抵抗性吸入マフラー
Document Type and Number:
Japanese Patent JP2005532498
Kind Code:
A
Abstract:
A resistive muffler attenuates sound generated by the gas intake and suction valve during compressor operation of a refrigerant compressor. The resistive muffler is assembled inline with the suction gas flow of the compressor and is positioned within the compressor housing. The resistive muffler attenuates the sound generated by the compressor during its operation as refrigerant gas is drawn into the compressor from an evaporator and passes through the resistive muffler in transit to the suction valve and hence to the region of the compressor where the gas is physically compressed. The resistive muffler includes a muffler housing having an intake end and an exhaust end. An acoustic foam assembly is incorporated into the muffler housing. The acoustic foam assembly is selected on the basis of its ability to absorb sound over a broad range of frequencies and is the muffler containing the acoustic foam is assembled within the compressor so that the sound does not bypass the muffler and transmit significant amounts of the sound to the compressor housing. The acoustic foam remains chemically inert when exposed to the compressor fluids at elevated temperatures of operation, and retains its ability to absorb sound over a broad range of frequencies even when saturated with compressor fluids. The foam assembly should also be able to withstand very large pressure fluctuations without experiencing deterioration.
Inventors:
Marshall, steven
Gilliam, david
One Puller, Timothy
Monk, david
Gilliam, david
One Puller, Timothy
Monk, david
Application Number:
JP2004519724A
Publication Date:
October 27, 2005
Filing Date:
July 01, 2003
Export Citation:
Assignee:
Bristol Compressors Incorporated
International Classes:
F04B39/00; (IPC1-7): F04B39/00
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Toru Miyamae
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Toru Miyamae