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Class Information
Number: 181/202
Name: Acoustics > Sound-modifying means > Housing or enclosure (e.g., sound confining and absorbing) > Machine type enclosure > Electical type devices (e.g., transformers, motors, etc.)
Description: Subject matter wherein the enclosure is for electrical apparatus.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8689932 On-base enclosure Apr. 8, 2014
8672089 Baffle arrangement for a genset enclosure Mar. 18, 2014
8675357 Data center aisle containment system utilizing a movable sash that is integral to the computer rack cabinet Mar. 18, 2014
8657066 Noise dampening energy efficient enclosure, bulkhead and boot material Feb. 25, 2014
8596412 Tablet computer holder and sound deflecting assembly Dec. 3, 2013
8270171 Cooling arrangement for a rack mounted processing device Sep. 18, 2012
8235169 Noise-reducing device and method for reducing noise Aug. 7, 2012
8177023 Sound dampening housing for rock drill May. 15, 2012
8146707 Air conditioner Apr. 3, 2012
8144465 Fan assembly and electronic device incorporating the same Mar. 27, 2012
8074765 Sound absorbing structure of electronic equipment Dec. 13, 2011
8028794 Case for an electronic device Oct. 4, 2011
7990701 Computer device with low acoustic noise Aug. 2, 2011
7986526 Acoustically absorptive apparatus for an electronics rack of a data center Jul. 26, 2011
7845463 Low-noise machine package Dec. 7, 2010
7788763 Fan motor noise reduction device and vacuum cleaner with the same Sep. 7, 2010
7784584 Device for reducing noise and heat emissions Aug. 31, 2010
7762373 Fan noise control apparatus Jul. 27, 2010
7712576 Sound absorbing structure of electronic equipment May. 11, 2010
7679232 Rotary electric machine Mar. 16, 2010
7667965 Acoustically absorptive anti-recirculation panel for one or more electronics racks of a data center Feb. 23, 2010
7644802 Performance flow guide for improved acoustics Jan. 12, 2010
7562742 Air exhaust/inlet sound attenuation mechanism Jul. 21, 2009
7549505 Acoustic noise reduction device for electronic equipment, including personal computers Jun. 23, 2009
7490697 Portable acoustic diffuser for portable generators Feb. 17, 2009
7481296 Sound reducing device for a coffee grinder and other kitchen appliances Jan. 27, 2009
7398855 Compressor sound attenuation enclosure Jul. 15, 2008
7357219 Sound attenuating cover for domestic air conditioner compressors Apr. 15, 2008
7314113 Acoustic absorbers for use with computer cabinet fans and other cooling systems Jan. 1, 2008
6932190 Sound jacket for noise reduction in refrigeration apparatus Aug. 23, 2005
6872057 Hermetic compressor casing Mar. 29, 2005
6810989 System for insulating the sound emanating from a motor/pump unit Nov. 2, 2004
6810990 Method and apparatus for reducing acoustic noise in MRI scanners Nov. 2, 2004
6772856 Fine jet control-type sound absorption system Aug. 10, 2004
6766879 Sound reducing device for a coffee grinder and other kitchen appliances Jul. 27, 2004
6755278 Employment of sound dampers in household appliances and electrical appliances with sound dampers Jun. 29, 2004
6722466 Acoustic blanket for machinery and method for attenuating sound Apr. 20, 2004
6571908 Shielding enclosure Jun. 3, 2003
6564900 Method and apparatus for reducing acoustic noise in MRI scanners May. 20, 2003
6550571 Noise reduction structure for cab of working vehicle Apr. 22, 2003
6512831 Noise abatement apparatus for appliance cabinet and method for reducing noise generated by an appliance Jan. 28, 2003
6481527 Methods and apparatus for attenuating noise from a cabinet that houses computer equipment Nov. 19, 2002
6424887 Motor noise silencer with vibration-based cooling system Jul. 23, 2002
6376951 Cover for marine generators Apr. 23, 2002
6340068 Use of a material with a high internal damping for a component of a sound-emitting machine Jan. 22, 2002
6330930 Receptacle for sound-damping accommodation of a unit which can be installed in a motor vehicle Dec. 18, 2001
6321557 Housing apparatus Nov. 27, 2001
6273213 Noise suppression louver having horizontal and vertical slats Aug. 14, 2001
6254337 Low noise air blower unit for inflating thermal blankets Jul. 3, 2001
6244377 Apparatus for absorbing machinery sound Jun. 12, 2001

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