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US20110265285 UPRIGHT VACUUM WITH REDUCED NOISE  
According to various embodiments, a method of reducing noise generated by a vacuum is described. The method comprises providing a vacuum comprising a motor including a motor shaft adapted to...
US20110299245 FAN ASSEMBLY AND ELECTRONIC DEVICE INCORPORATING THE SAME  
An exemplary fan assembly includes a fan and a muffler. The fan includes an air outlet. The muffler is disposed at the air outlet of the fan. The muffler includes a base plate. The base plate...
US20110103978 TURBINE WITH IMPROVED SOUND REDUCTION  
The present disclosure generally relates to a turbine for a fluid delivery system and more specifically, but not by limitation, to a portable air turbine for a fluid delivery system having...
US20140127047 Pulsation Attenuation  
A pump efficiency improvement device. The pump efficiency improvement device includes first and second junctions having a main connector, a first branch connector, and a second branch connector;...
US20140134009 TUNABLE VIBRATION AND ACOUSTIC NOISE SUPPRESSION IN AN AIR-MOVER ASSEMBLY  
A mounting assembly comprising a rigid connector structure configured to attach an air-regulating plate of an air-mover unit to an enclosure of the air-mover unit, wherein the air-regulating plate...
US20070009368 Power ear picker  
A power ear picker related to a convenient and practical personal hygiene aid to remove earwax accumulated in one's auditory canal is comprised of a motor to drive a fax to create air extraction...
US20110308481 WATER HEATER BLOWER HOUSING  
A fuel-fired water heater includes a water storage tank, a flue positioned to receive combustion gases and transfer heat from combustion gases to water in the water storage tank, and a blower...
US20120282119 Dynamic compression compensator for submersible pumps  
A dynamic variable compression ring for use in submersible pumps. where the variable compression ring compensates for metal compression ring measurement errors during assembly. The dynamic...
US20110280743 HERMETIC COMPRESSOR  
The present invention discloses a hermetic compressor which can reduce the noise by regulating a suction pressure in a connector enabling a suction pipe of a hermetic container and a suction...
US20140119957 ELECTRIC VACUUM PUMP  
An electric vacuum pump includes: a motor part and a pump part placed in a case, and a cover member closing the case from a pump part side. The cover member includes: a suction port for sucking a...
US20100054978 INJECTIBLE TWO-STAGE COMPRESSION ROTARY COMPRESSOR  
An injectable two-stage compression rotary compressor includes a compressor housing; a low-stage compressing section provided in the compressor house; a high-stage compressing section provided...
US20100129234 SHOCK DAMPER FOR OUTLET PIPE OF DIAPHRAGM PUMP  
The present invention provides a shock damper for outlet pipe of diaphragm pump comprising a shock damper pod including an intake jointer, an outtake jointer, a stroke cavity and a cap receptacle,...
US20120045349 PRESSURE PULSATION DAMPENER  
A pressure pulsation dampener for use in a gas stream is disclosed herein. The dampener can include a housing with an inlet half and an outlet half having a recess, a shaft hole, and an extension...
US20050276711 Muffler system for a compressor  
A muffler system for a compressor includes an expansion chamber muffler for reducing pressure pulses at the compressor's fundamental pulsation frequency and a side-branch muffler for filtering...
US20080159881 Suction System for a Refrigeration Compressor  
A suction system for a refrigeration compressor of the type which comprises a valve plate which is provided with at least one suction orifice, selectively closed by a suction valve, and which...
US20060239836 Silencer designed and intended for a compressor  
A silencer operative for a compressor or a vacuum pump, in particular for a compressor or a vacuum pump that operate according to the displacement principle, which in either case compresses a...
US20140161640 PUMP  
A pump includes a pump chamber in which a rotor with gates is supported so that it can rotate, an electric motor for driving the rotor, a muffler that encloses a volume in the area of the pump...
US20120301329 Airflow Assembly having Improved Acoustical Performance  
An airflow assembly, includes a plenum, a barrel, a fan support, a fan assembly, and a plurality of ribs. The plenum includes an opening structure defining a plenum opening. The barrel extends in...
US20100008798 BLOWER NOISE MUFFLER APPARATUS AND SYSTEM  
A system for dampening sound produced by an air blower such as that used to inflate an inflatable movie screen or other inflatable structures. The system can include an air blower and a muffler....
US20090266095 Refrigerated Preservation Unit, Particularly for Domestic Use  
A refrigerated preservation unit, particularly for domestic use, includes an internal compartment provided with an access door and with a refrigeration means. The unit includes an atmosphere...
US20090028726 Suction muffler for hermetic compressor  
Disclosed is a suction muffler for a hermetic compressor. The suction muffler includes first and second bodies coupled to each other. The first and second bodies have coupling protrusion and...
US20090324430 COMPRESSORS UNITS  
The invention relates to improvements in compressor units, and in particular to a modular compressor unit which has separate sections for the compressor, the controls and the air intake. The...
US20090116977 Compressor With Muffler  
A compressor assembly may include a shell, a discharge fitting, a muffler, a compression mechanism, and a motor. The shell may have an opening therethrough with the discharge fitting generally...
US20080286127 INTEGRATED ACOUSTIC DAMPER WITH THIN SHEET INSERT  
An exemplary noise damper for a compressor of a turbocharger includes a compressor housing comprising a cavity substantially adjacent a gas flow surface of a conduit to a compressed gas outlet of...
US20080118374 HERMETIC TYPE COMPRESSOR WITH SUCTION PRESSURE ADJUSTING DEVICE  
A hermetic type compressor that includes a sealed casing, a suction pipe, a suction muffler, a compression unit, a driving unit, and a pressure adjusting unit. The suction pipe penetrates a side...
US20150176580 COMPRESSOR AND VALVE ASSEMBLY THEREOF FOR REDUCING PULSATION AND/OR NOISE  
A valve assembly may include a valve plate having an inlet hole through which working fluid passes from a vacuum muffler, a first discharge hole through which working fluid discharged from a...
US20060243520 Screw compressor with an acoustic wave damping device  
In order to avoid pulsations in a screw compressor comprising an outer housing, a compressor screw housing which is arranged in the outer housing and in which rotor bores for screw rotors are...
US20140169992 PUMP  
A pump includes a pump chamber in which a rotor with gates is supported so that it can rotate, an electric motor for driving the rotor, an outlet, and an inlet port that is fastened to a mounting...
US20070212234 Suction Muffler  
Provide a suction muffler capable of enhancing the reliability of compressor, by preventing production of molten resin (slag) which solidifies in the suction muffler. Fit or put in contact with...
US20080145242 Dual chamber discharge muffler  
A dual chamber discharge muffler for a compressor. The dual chambers of the discharge muffler are separated by a check valve that closes upon shutdown of the compressor, which in turn limits the...
US20050207920 Sealed type compressor  
In the present invention, resonance chamber (128) is isolated from the inside of the hermetic container due to a seal portion having flange (118) disposed at suction muffler (110) and groove (129)...
US20110014065 MUFFLER FOR COMPRESSOR  
Disclosed is a muffler for a compressor, which has a chamber between an inlet and an outlet and also appropriately designs a size of a communicating pipe for indirectly connecting the inlet to the...
US20100202893 MOTOR/PUMP ASSEMBLY  
A motor/pump assembly for a motor vehicle brake system including a pump and a motor driving the pump, the pump having opposite working diaphragms which are, in each case, mounted between a pump...
US20130074843 Quiet Blower Apparatus and System and Method for Reducing Blower Noise  
A blower assembly including a motor, an impeller and a volute that is configured such that an inlet chamber of the volute and an outlet chamber of the volute are divided from one another by an...
US20080253900 GAS COMPRESSOR WITH PULSATION ABSORBER FOR REDUCING CYLINDER NOZZLE RESONANT PULSATION  
A method for reducing pulsation effects associated with the compressor nozzle of a positive displacement compressor system. A pulsation absorber, having a design like that of a side branch...
US20090304532 MULTIPLE MEMBRANE PUMP FOR FOOD LIQUIDS AND THE LIKE  
A multiple membrane pump for food liquids, comprising at least one duct for the compensated intake of the liquid, which is closed on itself in a loop and is provided with at least one intake port,...
US20090038329 SUCTION MUFFLER FOR A REFRIGERATION COMPRESSOR  
A suction muffler for a refrigeration compressor, comprising a hollow body defining at least one dampening chamber that carries a gas inlet duct and a gas outlet duct presenting an inlet opening...
US20100329899 MULTI-FREQUENCY PULSATION ABSORBER AT CYLINDER VALVE CAP  
A multi-chambered pulsation absorber for attachment over the valve cap opening of a compressor cylinder. Each chamber is in fluid communication with the valve cap opening (or cylinder internal gas...
US20140105762 Suction Muffler For Compressor  
To prevent oil from being drawn into a suction muffler of a compressor, a suction muffler 7 is disposed in a compressor casing at an inlet of a compression chamber at an upstream side of a...
US20070201990 Discharge System for Compressors  
A discharge system for compressors of the type which comprises: a cylinder block defining a compression chamber (2); a first discharge chamber (4); a second discharge chamber (6) in direct...
US20080267792 Hermetic Compressor  
A hermetic compressor has a hermetic container, a suction pipe, a compressing mechanism and a suction muffler. The suction pipe includes a large diameter part opening to an inside of the hermetic...
US20130287599 ENERGY-SAVING SILENCER ASSEMBLY, A SEMICONDUCTOR MANUFACTURING VACUUM PUMP WITH SAME AND METHOD FOR HEATING NITROGEN GAS  
The disclosure relates to an energy-saving silencer assembly, which includes: a silencer connected to a discharge side of a pump section, which pumps reaction by-product gas into a vacuum pump, so...
US20140199188 Diaphragm Pump With Muffler-Mounted Sensor  
Illustrative embodiments of diaphragm pumps including a muffler-mounted sensor are disclosed. In one illustrative embodiment, a diaphragm pump includes a shaft coupled to at least one diaphragm,...
US20150176576 COMPRESSOR AND DISCHARGING MUFFLER THEREOF  
A discharge muffler may include a discharge space in the cylinder block and a pulsation and/or noise reducing member (e.g., a pulsation reducing member) engaged in the discharge space having a...
US20060056990 Compressor having discharge mufflers  
Disclosed is a compressor having discharge mufflers for reducing the noise generated due to the discharge of a refrigerant. The compressor includes a compression chamber installed in a cylinder...
US20070237654 Air supply system  
An air supply system is provided that can reduce noise of a compressor and over a wider frequency band, along with the space and cost. The air supply system includes a compressor that draws in gas...
US20090155114 COMPRESSOR STRUCTURE FOR A REFRIGERATION SYSTEM  
A compressor structure for a refrigeration system and a component for a refrigeration system. The compressor structure comprises a compression cylinder; a suction line leading gas to be compressed...
US20090068028 Compressor muffler  
A compressor has first and second enmeshed rotors rotating about first and second axes to pump refrigerant to a discharge plenum. The compressor includes a muffler system comprising a sound...
US20100215515 Pump unit as well as a pump and a discharge connection  
In a first aspect the invention relates to a pump unit comprising a discharge connection (3) and a pump, the pump comprising a pump housing (7), and a claw (6) connectable to the pump housing (7),...
US20090136376 HERMETIC COMPRESSOR AND REFRIGERATION SYSTEM  
As an refrigerating machine oil (108) that is enclosed in a sealed vessel (106) along a motor element (111), and a compression element (112) driven by the motor element (111), oil that has as base...

Matches 1 - 50 out of 158 1 2 3 4 >