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Class Information
Number: 181/403
Name: Acoustics > Refrigerator compresssor muffler
Description: Disclosures of sound attenuating mufflers for refrigerator compressors.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8596995 Sealing structure and compressor Dec. 3, 2013
8591208 Multi-frequency pulsation absorber at cylinder valve cap Nov. 26, 2013
8496446 Compressor muffler Jul. 30, 2013
8459964 Noise reducing device for hermetic type compressor Jun. 11, 2013
8328532 Compressor muffler Dec. 11, 2012
8323001 Hermetic compressor Dec. 4, 2012
8317489 Refrigerant compressor Nov. 27, 2012
8282364 Rotary compressor having a muffler with a discharge region to discharge compressed gas toward an outer surface of the crankshaft Oct. 9, 2012
8235683 Hermetic compressor Aug. 7, 2012
8141679 Absorptive muffler suspension Mar. 27, 2012
8142172 Silencer designed and intended for a compressor Mar. 27, 2012
8133038 Hermetic compressor Mar. 13, 2012
8118568 Hermetic compressor Feb. 21, 2012
8057194 Compressor with discharge muffler attachment using a spacer Nov. 15, 2011
8057200 Structure of discharging refrigerant for linear compressor Nov. 15, 2011
8021126 Compressor sound suppression Sep. 20, 2011
8016071 Multi-stage low pressure drop muffler Sep. 13, 2011
8011470 Compressor silencer for hyperbaric oxygen therapy system Sep. 6, 2011
7988427 Compressor muffler Aug. 2, 2011
7959416 Suction system for a refrigeration compressor Jun. 14, 2011
7866955 Suction muffler for a reciprocating hermetic compressor Jan. 11, 2011
7857602 Muffler installation structure for compressor Dec. 28, 2010
7823692 Muffler for engines in oilfield applications Nov. 2, 2010
7806230 Absorptive muffler suspension Oct. 5, 2010
7770694 Resonator arrangement in an acoustic muffler for a refrigeration compressor Aug. 10, 2010
7686592 Compressor Mar. 30, 2010
7604466 Discharge muffler system for a rotary compressor Oct. 20, 2009
7588424 Linear compressor unit Sep. 15, 2009
7524172 Vibration reduction structure of reciprocating compressor Apr. 28, 2009
7488377 Device for the intake and compression of at least one gas in fuel cell system Feb. 10, 2009
7431571 Noise reduction muffler for hermetic rotary compressor Oct. 7, 2008
7398655 Vibration isolation apparatus for wine refrigerator Jul. 15, 2008
7396219 Discharge tube of hermetic compressor Jul. 8, 2008
7316291 Suction muffler for a hermetic refrigerant compressor Jan. 8, 2008
7306438 Suction gas guiding system for reciprocating compressor Dec. 11, 2007
7244108 Hermetic compressor with an improved cylinder head-suction muffler assembly Jul. 17, 2007
7210912 Reciprocating piston compressor having improved noise attenuation May. 1, 2007
7181926 Oil separator and muffler structure Feb. 27, 2007
7153107 Compressor muffler assembly Dec. 26, 2006
7124599 Absorption pipe structure of compressor Oct. 24, 2006
7070397 Compressor suction gas feed assembly Jul. 4, 2006
7052248 Closed compressor May. 30, 2006
7032589 Portable ventilator Apr. 25, 2006
7029242 Hermetic compressor with one-quarter wavelength tuner Apr. 18, 2006
7014430 Cylinder assembly for compressors, compressor with the cylinder assembly, and apparatus having refrigerant circulation circuit including the compressor Mar. 21, 2006
7000420 Compressor Feb. 21, 2006
6976833 Compressor discharge chamber with baffle plate Dec. 20, 2005
6957951 Closed compressor Oct. 25, 2005
6935848 Discharge muffler placement in a compressor Aug. 30, 2005
6860725 Suction gas guiding system for reciprocating compressor Mar. 1, 2005

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