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4696626 Railroad car air compressor unit  
A compact, balanced and lightweight air compressor unit for a railroad vehicle which includes a motor-driven compressor, a suction strainer and suction silencer. The compressor and motor are...
4679990 Electric blower  
The electric blower comprises an impeller of the centrifugal type driven by a motor, a diffuser having a plurality of divergent passages into which air flow discharged from said impeller flows, an...
4665581 Vacuum cleaner apparatus  
A vacuum cleaner apparatus having separate passages for outgoing air from the blower and for cooling air for the blower motor, and having a number of turns in each of said passages, each of said...
4658778 Piggyback type blower unit  
There is provided a piggyback type blower unit. The blower unit comprises a piggyback frame, a fan case incorporating a fan, a powder tank arranged on top of the fan case, a fuel tank arranged...
4652217 Double acting type compressor  
A double acting type compressor has a main body which is formed by a cylinder block and a pair of cylinder heads secured to opposite ends of the cylinder block. The main body is formed therein with...
4642035 Cross loop attenuator for hydraulic systems  
A vehicle hydraulic fluid system includes an engine driven pump which excites the fluid in the system downstream of the pump by imparting pressure pulses thereto at frequencies which vary as the...
4623304 Hermetically sealed rotary compressor  
A hermetically sealed rotary compressor is disclosed which comprises a vertically disposed hermetically sealed cylindrical casing, an electric motor force fitted in the casing in coaxial relation...
4610604 Swash-plate-type compressor with a muffling arrangement  
A multi-cylinder swash-plate-type compressor having a combined cylinder block closed on both axial ends by front and rear housing and provided therein with a reciprocative piston mechanism, for...
4591318 Dual compressors  
A hermetic refrigeration compressor system comprises a sealed shell containing two motor-compressor units of different capacities and also containing a suction gas accumulator through and from...
4583922 Swash plate type compressor improved with elongated and tortuous input and output passage systems  
In an improved swash plate type compressor in which a first end block, holding a first valve plate against one end of the cylinder block, defines a first input plenum and an output plenum with...
4582465 Blower for air spray massage apparatus  
A blower for an air spray bath massaging apparatus, which blower is operated by an electric motor and is enclosed in a housing having a suction air fitting and a compressed air fitting. To...
4582468 Suction muffler for hermetic motor compressors having m-shaped oil separation element  
A muffler for motor compressors comprising a body closed at the lower side by a cover and provided on its frontal wall with a hole through which the refrigerating gas is sucked. The gas introduced...
4573880 Hermetically sealed motor compressor  
A hermetically sealed motor compressor for use in a small-size refrigerating machine, refrigerator, freezer and the like has a compressor on which is mounted a silencer comprising in combination a...
4573879 Rotary compressor  
A rotary compressor for refrigerating apparatuses, including a motor unit, a compressor mechanism section including a cylinder, rotary piston in the cylinder and a bearing between the motor unit...
4573881 Refrigeration compressor having a tubular insert of thermally insulating material in suction passage  
The invention relates to an encapsulated motor-compressor unit for a refrigerator. The unit includes a capsule in which is resiliently mounted a combined or integrated motor and compressor having a...
4563126 Casing of blower and ventilating fan utilizing the casing  
A casing of a blower of the improved construction easy to assemble and low in noise level, and a ventilating fan utilizing such casing. The casing of the blower includes a frame, and spiral cases...
4549857 Hermetic motor compressor having a suction inlet and seal  
The suction gas supply tubes are made integral with the seal for sealing the gap between the cylinder head and the cylinder block caused by the valve assembly. The suction gas supply tubes have...
4534861 Vacuum pump purging apparatus  
An apparatus for removing liquid contaminants from the oil sump of a vacuum pump. A liquid separator mounted on the housing of the pump connects the interior of the pump housing to the atmosphere...
4534710 Swash-plate-type compressor having suction and discharge damping chambers  
A multi-cylinder swash-plate-type compressor having a combined cylinder block closed on both axial ends by front and rear housings and provided therein with a reciprocative piston mechanism for...
4531894 Sealed type motor compressor  
A sealed type motor compressor includes a motor section, a compressor section, a sealed enclosure for resiliently supporting therein the motor section and the compressor section, a suction pipe...
4523663 Silencer of the resonance absorption type in motorcompressor for refrigerators  
A silencer of the resonance absorption type in a motor-compressor for refrigerators in which the resonance chamber is formed by a blind cylindrical bore in the cylinder block and communicates with...
4518323 Hermetic refrigeration compressor  
An improved hermetic motor compressor is disclosed which incorporates an improved discharge muffler arrangement wherein the discharge muffler is intergrated with an end portion of the shell and...
4487555 Hermetic motor compressor  
A hermetic motor compressor including a closed housing which covers motor and compressor means; and a partition wall which separates a lower temperature compartment in which at least part of a...
4486153 Refrigerator with encapsulated motor compressor  
A refrigeration compressor is provided with a combined sound dampening and centrifugal liquid separator chamber.
4477229 Compressor assembly and method of attaching a suction muffler thereto  
A compressor and a method of assembling a compressor. The compressor comprises a central section, a cylinder head, and a suction muffler. The cylinder head of the compressor is secured to the...
4457671 Hermetic type rotary compressor with silencer means  
A horizontal hermetic type rotary compressor to be used in a refrigerator, air conditioner, or the like comprises an outer hermetic casing provided at both ends with suction and discharge pipes for...
4449610 Muffler for compressor for refrigerating apparatuses  
A muffler on the intake tube in a hermetically sealed compressor for refrigerating apparatuses in direct communication with the intake chamber located in the compressor cylinder head. The body of...
4435877 Noise reducing means for vacuum cleaner  
A noise muffler for a vacuum cleaner is constructed of flexible open cell foam inserts, one of which extends across an opening through which working air flows between two plenums. At this opening...
4431383 Motor compressor for refrigerators  
A motor-driven compressor particularly for a refrigerator has a cylinder-and-piston unit whose piston is driven from a shaft of a rotor of an electric motor, two sound-damping chambers...
4418443 Noise suppressor for vacuum sweepers and the like  
A noise suppressor for vacuum cleaners is characterized by a muffler formed of a succession of tubes of different cross sectional areas and lengths. The muffler defines a low pass acoustic filter,...
4415060 Muffler for compressors  
A muffler for hermetically sealed compressors consisting of a body made of plastic material with two chambers separated by a wall and directly assembled on the compressor cylinder head by means of...
4412791 Refrigeration compressor apparatus and method of assembly  
There is disclosed herein an improved means and method for securing a shroud to one end of a motor in a refrigeration compressor. A fastening device is secured to one end of the motor stator by...
4411600 Hermetic motor compressor  
A hermetic motor compressor having a motor compressor unit including an upper motor section and a lower compressor section connected with each other and a closed housing accommodating therein the...
4410303 Motor-compressor unit for refrigerators  
A motor-compressor unit for refrigerators provided with tubes for feeding the gas from the hermetic container to the cylinder suction chamber. A main tube communicates with the suction chamber by...
4407638 Swash plate type compressor with silencer structure  
A swash plate type compressor including a partition plate mounted in a side cover for axially partitioning the interior of the side cover into two portions. One of said two portions interposed...
4401418 Muffler system for refrigeration compressor  
A hermetic reciprocating piston refrigeration compressor has a high efficiency muffler system. The suction muffler has an inlet adjacent the refrigerant return line and is made of an insulating...
4396359 Motor compressor unit  
A motor compressor unit comprising a compressor, a motor, a shell enclosing the compressor and the motor, a motor cap located within the shell, covering a portion of the motor, and defining an...
4392789 Hermetically sealed motor-compressor unit for refrigerators  
A hermetically sealed motor-compressor unit for refrigerators, of vertical axis, comprising a container for said motor compressor unit defining a sump for the gravitational collection of oil...
4373872 Noise damping device  
A noise damping device is proposed for reducing and smoothing pressure fluctuations in a damping medium, especially in fuel supplied by fuel supply pumps, which serves to reduce pressure...
4371319 Hermetic motor compressor  
A hermetic motor compressor for compressing refrigerant gas in air conditioners or refrigerators. The hermetic motor compressor includes a motor compressor disposed in a closed housing and...
4370099 Discharge gas temperature control  
A discharge gas temperature sensing corrective arrangement for a hermetic motor-compressor unit is disclosed wherein a heat sensitive element is supported in a discharge muffler located remote from...
4370104 Suction muffler for refrigeration compressor  
A hermetic refrigeration compressor includes a suction muffler formed from two pieces of plastic material mounted on the cylinder housing. One piece is cylindrical in shape with an end wall having...
4361928 Muffled exhaust system for hot water vacuum extraction machine  
A unitary tubular exhaust duct directs exhaust air from a scroll type outlet for a vacuum pump mounted within a hot water vacuum extraction machine into a baffled exhaust expansion chamber. Noise...
4359085 Installation for several sound and/or heat emitting machines capable of being installed in a workroom  
In the exemplary embodiment, two machines are arranged in a common cabinet-like housing insulated toward the exterior from sound conducted through solids and airborne sound. For the purpose of...
4356591 Vacuum cleaner  
A vacuum cleaner with a housing having a hood and at least one suction connection and at least one discharge opening, as well as with a dust filter and a suction apparatus provided with a blower...
4345882 Hermetic motor compressor  
A hermetic motor compressor comprises a casing which includes a dome-like upper casing and a dome-like lower casing. Each of the upper and lower casings has an engagement portion for telescopically...
4330899 Noise reducing blower motor housing means for vacuum cleaner, or the like  
The disclosure concerns a housing for reducing the noise and exhaust air velocity of a bypass type blower motor, particularly a motor used for a tank type vacuum cleaner. The entire housing sits...
4330239 Compressor muffler  
A muffler for a refrigeration gas compressor which is tuned such that the attenuation curve and the impedance curve cross the frequency axis at the pumping frequency of the compressor so as to...
4313715 Anti-slug suction muffler for hermetic refrigeration compressor  
A hermetic refrigeration motor-compressor assembly includes a motor driving a compressor having suction and discharge ports. A hermetically sealed casing encloses the motor and compressor and has a...
4280245 Sound dome for electric vacuum cleaner  
The disclosure concerns a sound dome which is positioned over the motor housing of a bypass type vacuum cleaner. The main housing outlet for the main blower fan of the vacuum cleaner opens under...