Matches 1 - 50 out of 175 1 2 3 4 >
Match Document Document Title
7490697 Portable acoustic diffuser for portable generators  
A portable casing includes a body that has first, second, third and fourth sidewalls defining a cavity therebetween. The body has open top and bottom surfaces spanning along a cross-section...
7487644 Cryostat assembly  
A cryostat assembly comprises a liquid coolant containing vessel; a mechanical cooler having at least one cooling stage located above the vessel; and a channel for conveying gaseous coolant from...
7470108 Axial flow fan  
In an axial flow fan, for reducing fluid noise and further reducing the noise by suppressing solid-conveyed noise (structure-borne noise) generated by the vibration of an electric motor or the...
7461513 Cooling system  
A cooling system configured to cool an interior of an enclosure includes a cabinet, and a vortex tube secured within the cabinet. The cabinet defines a venting chamber. The vortex tube includes a...
7431571 Noise 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...
7328586 Repositionable attenuator  
A repositionable attenuator for a terminal unit in a heating, ventilation, and air conditioning system is disclosed. The attenuator is positionable between at least a first and a second position....
7261242 Sound insulation for electric relay  
An electric unit, such as a room thermostat has a circuit board and an electromechanical switch mounted to the circuit board. The circuit board and the electromechanical switch are housed in a...
7257961 Vibration reduction type refrigerator  
Disclosed is a vibration reduction type refrigerator including a refrigerator main body having a cooling chamber for storing foods and a mechanical chamber, a compressor disposed in the mechanical...
7201011 Integrated noise and heat management system  
An integrated noise and heat management system for the management of noise and heat around a heat and noise source is described. The system includes an enclosure for surrounding the heat and noise...
7181926 Oil 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...
7155929 Piping structure for air conditioner  
A piping structure of an air conditioner causes a looped main piping connected to a compressor of an outdoor unit of the air conditioner to be branched into two or more branch pipings within a...
7137268 Vibration dampening device  
A device is provided for dampening compressor-induced vibration in an air conditioning system of the type having an indoor unit, an outdoor unit and a refrigerant conduit therebetween. The outdoor...
7131287 Air conditioning system with vibration dampening device  
A device is provided for dampening compressor-induced vibration in an air conditioning system of the type having an indoor unit, an outdoor unit and a refrigerant conduit therebetween. The outdoor...
7124599 Absorption 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...
7114345 Air circulation structure for a refrigerator machine room  
A refrigerator which has a pleasant front appearance by improving a structure to circulate air through a machine room thereof, and which restrains a transmission of operational noise from an...
7069741 Economizer chamber for minimizing pressure pulsations  
A baffle for use in a refrigerator apparatus comprises a baffle plate comprising a first and a second opposing sides attached to an inner surface of the refrigerator apparatus, a baffle seal plate...
7036328 Air conditioner  
An air conditioner which includes a plurality of indoor units to cool air of a plurality of rooms. Included is a plurality of branch refrigerant lines that each include a backflow prevention part...
7024871 Strategy for minimizing noise perception in a vehicle  
The present invention provides a method for masking noise in a motor vehicle that has a component that produces noise when operated. The method of the invention comprises monitoring the speed of...
7000420 Compressor  
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...
6981386 Silencing equipment for an air-cooling assembly  
Silencing equipment is provided for an air-cooling assembly in a large off-road vehicle having wheels, traction motors for the wheels that operate in a motoring mode to propel the vehicle and a...
6968710 Refrigeration compressor capacity limiting device  
A sonic nozzle is disclosed that is positioned between an evaporator and compressor in an air conditioning system. The sonic nozzle limits refrigerant flow rate to that allowed by sonic velocity at...
6931873 Vehicle air conditioner  
In an air conditioner for a vehicle, when a target rotation speed of an electric compressor calculated by a target rotation speed calculating means is higher than an upper limit set by an upper...
6928826 Method for controlling noise reduction of air conditioner  
Disclosed is a method for controlling noise reduction of an air conditioner comprising the steps of: (a) stopping a compressor, when the air conditioner is stopped under the condition that the...
6912866 Elastic member for vibration absorption, and vibration absorbing apparatus using the same  
Disclosed is a vibration absorbing apparatus for a compressor of a refrigerator. The vibration absorbing apparatus includes: an elastic member for absorbing a vibration generated during an...
6912865 Elastic member and vibration absorption apparatus for a refrigerator compressor  
The present invention relates to an elastic member and apparatus for a refrigerator compressor. A vibration absorption apparatus for a refrigerator compressor according to the present invention is...
6840746 Resistive 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...
6826926 Liquid injection for reduced discharge pressure pulsation in compressors  
A compressor for compressing refrigerant in an air conditioning or refrigeration system, including a housing having a suction port, a discharge port, and a compression chamber, a mechanism for...
6824068 Expansion valve  
Two case members of the same shape are attached to the body of an expansion valve and a temperature sensing drive element through sound insulating members. Each of the two case members is formed...
6810683 Thermostatic expansion valve exit flow silencer device  
An apparatus for manipulating the air temperature within an interior compartment of a vehicle includes a compressor, a condenser, and an evaporator interconnected in a manner to remove heat from...
6769267 Multistage 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...
6688966 Air handling unit with supply and exhaust fans  
An air handling apparatus for blending outside and return airflow including a housing having exterior side walls, a top and a bottom and containing first and second inlet regions and a mixing...
6688856 Suction muffler for a hermetic compressor  
A closed motor-driven compressor includes a compression component ( 2 ) and an electric component ( 3 ) for driving the compression component ( 2 ), both of which are elastically supported within a...
6658885 Rotary 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...
6655165 Air conditioner with power recovery device having a sound suppression device  
An air conditioner has an evaporator, a main compressor, a condenser, and an energy recovery device. The condenser receives a compressed refrigerant from the compressor and condenses the...
6647738 Suction 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...
6644061 Sound muffling device for an air conditioning unit  
A device for muffing the sound of water droplets falling onto an upper surface of the housing of an air conditioning unit that extends beyond the side of a building is disclosed. The muffling...
6606876 Silencer for rear mounted bus air conditioner  
Sound attenuation apparatus for use in a bus in which an air conditioning unit that is mounted on the rear wall of the bus is arranged to exchange conditioned air for return air drawn from the...
6595013 Sound attenuator for a refrigeration unit  
A sound suppression system for suppressing the noise of an engine within an enclosure of an outdoor unit for a transport refrigeration system. A resonator is provided to suppress noise caused by...
6530239 Refrigeration 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...
6519966 Air conditioning and heat pump systems  
An air treatment system having an outer heat exchange coil, an inner heat exchange coil spaced-apart from and encompassed by the outer heat exchange coil, seal structure positioned with respect to...
6488482 Integral 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....
6470700 Reduced noise grill  
A grill for an air conditioning unit has one or more grill members wrapped with wire so as to present a varying topographical surface to the flow of air over the grill members. The resulting grill...
6453695 Dual length inlet resonator  
The tunable resonator is coupled to the engine speed control such that the resonator is set to a different frequency range when the engine speed is changed. The frequency range is, changed to a...
6446454 Suction muffler for compressor  
Suction muffler for a compressor including an inlet for introducing a refrigerant into the suction muffler, a chamber for temporary storage of the refrigerant and dropping a pressure of the...
6398520 Discharge muffler of a hermetic rotary compressor  
A discharge muffler of a hermetic rotary compressor has a simple structure, and reduces the noises which occur due to pulsation of refrigerant and impact to a valve when the refrigerant, which is...
6360555 Compressor mounting device with integrated muffler  
A mount both supports a compressor, and provides fluid communication, between the compressor and a heat exchanger. A first axis is defined extending through the compressor center of mass. A second...
6325296 Quieting a thermal expansion valve  
A method of reducing flow noise in a thermally responsive expansion valve of the type for controlling flow of a relatively high pressure refrigerant from a condenser applied to its inlet at a...
6321557 Housing apparatus  
Noise attenuating apparatus for housing, inter alia, a compressor and/or condenser unit, the apparatus comprises a substantially box-shaped outer shell and an inner shell which houses the unit. The...
6290140 Energy management system and method  
A method is provided for managing the energy usage of an energy consuming system adapted to determine the energy of a controlled space, the energy consuming system including a plurality of...
6263685 Method for determining the temperature inside a motor vehicle in a reliable manner  
The invention relates to a method for reliably determining the temperature of the passenger compartment of a motor vehicle, in particular for controlling an air-conditioning system in the motor...
Matches 1 - 50 out of 175 1 2 3 4 >