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Class 181/403 - REFRIGERATOR COMPRESSSOR MUFFLER


Subclass of Class 181 - Acoustics
Definition: Disclosures of sound attenuating mufflers for refrigerator
No. of patents: 167
Last issue date: 08/10/2010


1          
NumberTitleIssue Date
7770694Resonator arrangement in an acoustic muffler for a refrigeration compressor
Resonator arrangement in an acoustic muffler for a refrigeration compressor having a shell (1), inside which is mounted an acoustic muffler comprising a hollow body (10) defining at least one dampening chamber (13), which carries a gas inlet duc...
08/10/2010
7435061Suction muffler connector and compressor therewith
Suction muffler connector, and compressor therewith, the suction muffler connector in a compressor having a suction pipe for guiding refrigerant into the compressor, and a suction muffler for attenuating noise of the refrigerant in the suction pipe including a conne...
10/14/2008
7435060Compressor
The present invention relates to a compressor. In one aspect of the present invention, a compressor is provided, including a cylinder having a compression chamber, a valve assembly mounted on one open end of the cylinder, and a head assembly on the valve assembly. T...
10/14/2008
7431571Noise reduction muffler for hermetic rotary compressor
A muffler for a hermetic rotary compressor including a muffler body forming a plurality of noise reducing spaces in which refrigerant gas flows; a discharge port formed on the muffler body so as to be located on the nose reducing spaces side; and a guide cover coupl...
10/07/2008
7398655Vibration isolation apparatus for wine refrigerator
Disclosed is a vibration isolation apparatus for a wine refrigerator including a main body having a storage chamber and a mounting space, a base plate disposed at the mounting space of the main body with a predetermined interval from the main body, for forming the m...
07/15/2008
7396219Discharge tube of hermetic compressor
A mounting arrangement for a discharge tube of a hermetic compressor is provided having a hermetic shell presenting a gas outlet and lodging a cylinder block in which is affixed, through screws, a cylinder head defining, internally, a gas discharge chamber, and a di...
07/08/2008
7316291Suction muffler for a hermetic refrigerant compressor
The invention concerns a suction muffler for a hermetic refrigerant compressor with a housing having an inlet and an outlet and limiting at least one muffling chamber, and a gas supply channel located in the muffling chamber between the inlet and the outlet. It is e...
01/08/2008
7306438Suction gas guiding system for reciprocating compressor
A suction gas guide system (100) for reciprocating compressor (30) comprises a gas guide conduit having both ends installed on a suction pipe (SP) of a shell (10) and on an inner flowing passage of a piston (31) so as to face each other a...
12/11/2007
7244108Hermetic compressor with an improved cylinder head-suction muffler assembly
This invention relates to a hermetic compressor used on a refrigerant cycle such as a refrigerator, and discloses a low noise compressor designed to attenuate a resonance sound in a compression chamber and intake pressure pulsing more operatively at a position adjac...
07/17/2007
7210912Reciprocating piston compressor having improved noise attenuation
A reciprocating piston compressor having a suction muffler and a pair of discharge mufflers to attenuate noise created by the primary pumping frequency in the primary pumping pulse. The suction muffler is disposed along a suction tube extending between the motor cap...
05/01/2007
7181926Oil separator and muffler structure
An oil separator-muffler for a compressor includes an inner chamber with an oil accumulation region and a wall positioned in the inner chamber. The wall defines a separator region and has an impingement surface. The arrangement of the wall in the inner chamber defin...
02/27/2007
7153107Compressor muffler assembly
A muffler assembly for a compressor that suppresses noise that would otherwise escape from the inlet of the compressor during its operation. The muffler assembly includes an intake conduit that has an inlet portion, an outlet portion adapted to couple to an inlet of...
12/26/2006
7124599Absorption pipe structure of compressor
An absorption pipe structure of a compressor, capable of reducing vibration of the absorption pipe and making the machinery room small-sized, by making short the length of the absorption pipe connected with the compressor and forming the curved part formed in a prop...
10/24/2006
7070397Compressor suction gas feed assembly
Suction gas feed assemblies to provide gas to a hermetic compressor are provided. The feed assemblies have capacity for reducing suction noise resulting from suction conduit vibration, valving operation, suction gas pulsing, or the like. The suction gas feed assembl...
07/04/2006
7052248Closed compressor
A hermetic compressor is equipped with a suction muffler including: a muffling space having two rooms; a communication space to communicate these two rooms with each other; a first communication passage to communicate a movable valve with the muffling space and exte...
05/30/2006
7032589Portable ventilator
A portable ventilator for providing an air-recipient with compulsory respiration is provided with an outlet manifold and a single-expansion-chamber muffler configured so that airflow through an inhale outlet port of the muffler is pulse-free and a transmission loss,...
04/25/2006
7029242Hermetic compressor with one-quarter wavelength tuner
A compressor including a housing defining an interior plenum; a refrigerant received within the interior plenum and having a resonant wavelength; a motor disposed within the housing; a compression mechanism disposed within the housing and operably connected to the m...
04/18/2006
7014430Cylinder assembly for compressors, compressor with the cylinder assembly, and apparatus having refrigerant circulation circuit including the compressor
Disclosed herein are a cylinder assembly for compressors, a compressor with the cylinder assembly, and an apparatus having a refrigerant circulation circuit with the compressor. The present invention provides the cylinder assembly, which has a simple structure and i...
03/21/2006
7000420Compressor
A compressor that sucks refrigerant gas from an external refrigerant circuit, compresses the sucked refrigerant gas and discharges the compressed refrigerant gas, comprising a cylinder having a plurality of bores, a front housing coupled to the front side of the cyl...
02/21/2006
6976833Compressor discharge chamber with baffle plate
A screw compressor is provided with a discharge chamber that receives alternating flows of compressed fluid from two compression chambers located on opposed sides of the screw compressor. The discharge chamber is provided with a central baffle plate separating the t...
12/20/2005
6957951Closed compressor
In a hermetic compressor for use on an air-conditioning unit as well as a refrigerating unit such as a refrigerator and a showcase, there is disclosed a constitution designed to provide a silently operated hermetic compressor that has an intake muffler readily assem...
10/25/2005
6935848Discharge muffler placement in a compressor
A muffler system for a compressor includes an expansion chamber muffler for attenuating sound pressure pulses and an acoustic muffler for filtering high-frequency pressure pulsations. The acoustic muffler is connected inline along the discharge side of the compresso...
08/30/2005
6860725Suction gas guiding system for reciprocating compressor
A suction gas guiding (100) system for a reciprocating compressor (30) includes a gas guide conduit (110) penetrating an inner stator of a reciprocating motor and having both ends installed on a suction pipe (50) of a shell (10) an...
03/01/2005
6840746Resistive suction muffler for refrigerant compressors
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 ...
01/11/2005
6824365Discharge apparatus for reciprocating compressor
A discharge apparatus for a reciprocating compressor. The compressor includes a shell connected to a gas suction conduit for sucking gas, a cylinder in the shell, a compression unit including a piston performing reciprocal movement in the cylinder, a reciprocating m...
11/30/2004
6769267Multistage compressor
Refrigerant compressed by a first stage compression elements (30) run by a motor (20) is discharged in the closed container (10) via a silencer chamber (35) to cool the motor (20) before the refrigerant is led to a second stage com...
08/03/2004
6705843NVH and gas pulsation reduction in AC compressor
A muffler is integrally incorporated into the rear housing of a compressor. In this way, the muffler reduces the overall size, weight and cost of the compressor. The fluid flow is directed through the muffler and discharge chamber in such a way as to fully utilize t...
03/16/2004
6658885Rotary compressor with muffler discharging into oil sump
The entire discharge flow in a high side, vertical, hermetic rotary compressor is directed into the oil sump which generates foam for sound attenuation and heats the oil to reduce its viscosity and to drive off refrigerant dissolved in the oil....
12/09/2003
6647738Suction muffler for chiller compressor
The gas flow direction and the noise generation direction are in opposite directions in the suction muffler. The flow path in the muffler has a number of changes in direction and the flow path cross section decreases at each change of direction in the dir...
11/18/2003
6641374Cylinder head cover structure of hermetic motor-driving type compressor
In a head cover structure of a hermetic motor-driving type compressor, by comprising a front head cover having a space divided into a low-pressure side sucking a refrigerant by being installed a suction muffler and a high-pressure side discharging the ref...
11/04/2003
6626648Apparatus for noise depreciating in hermetic compressor
The object of the invention is to provide an apparatus for noise depreciating in hermetic compressors. In the apparatus for noise depreciating for hermetic compressors of this invention, a diaphragm (45) is mounted to the interior surface of a chamber cov...
09/30/2003
6607369Hermetic compressor
A closed motor-driven compressor includes a closed vessel containing a lubricating oil collected in a bottom portion thereof, a compression section accommodated in the closed vessel, and a motor section accommodated in the closed vessel for driving the co...
08/19/2003
6579071Structure for suppressing pulsation in compressor
An introduction passage is formed in a rear housing. The introduction passage extends from a wall of the rear housing across a discharge chamber to a suction chamber. The introduction passage has a first portion extending from an opening portion of the re...
06/17/2003
6547536Reciprocating compressor having a discharge pulsation
A reciprocating compressor has a pair of discharge mufflers disposed on a lower portion of a cylinder block, a first and a second refrigerant channels for intercommunicating the pair of discharge mufflers with a refrigerant discharge chamber of a cylinder...
04/15/2003
6547032Suction muffler of reciprocating compressor
Disclosed is a suction muffler including a muffler inlet, a muffler outlet communicating with the muffler inlet, a plurality of reservoirs defined between the muffler inlet and the muffler outlet, a plurality of small-diameter tubes adapted to allow the r...
04/15/2003
6533064Noise reduction device for use in reciprocating compressor using a side-branch silencer
A noise reduction device has a side branch silencer. The side branch silencer is formed within a discharge valve assembly which includes is divided into a discharge muffler, a gasket, a discharge valve piece and a valve plate. The side branch silencer is ...
03/18/2003
6530239Refrigeration system
A refrigeration system which can reduce the amount of moisture permeating into the system, inexpensively and by a simple structure, is disclosed. Rubber hoses (7, 8) capable of absorbing vibrations are arranged on the discharge and the intake sides of a c...
03/11/2003
6503303Enclosure for an air aspirating machine
An enclosure for an air aspirating machine, such as a compressor 11 for a fuel cell drive 13, which represents a closed volume, so that said volume can be used acoustically for the air that is being drawn in. An air intake 17 is extended into the enclosur...
01/07/2003
6494690Hermetic compressor
A hermetic compressor includes an electric drive portion, a compression portion and a casing. The electric drive portion has a rotor and a stator and generates a driving force to compress a refrigerant in the compression portion. The casing encloses the e...
12/17/2002
6488482Integral compressor muffler
A fluid compressor includes a compressor inlet for receiving a medium, a compressor for compressing the medium, a compressor outlet for discharging the compressed medium and a compressor muffler. The compressor muffler includes a housing defining an inner...
12/03/2002
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