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7571789 |
Muffler for exhaust systems of vehicles
The muffler comprises a tubular shell which is internally lined with a noise-deadening material and is closed at its ends by a front wall provided with an inlet connectable to receive exhaust gas,...
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7380639 |
Backpressure reducing exhaust system with stationary blade structure
The present invention provides an exhaust chamber system, comprising a stationary propeller type blade assembly with a nose cone within or adjacent to an expansion chamber, to create a vortex that...
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7350620 |
Compact silencer
There is disclosed a silencer for attenuating sound waves produced in a fluid that circulates through a fluid conveyer. The silencer comprises an expansion chamber that is in fluid communication...
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7331422 |
Vortex muffler
A muffler includes an inner passage residing in an outer shell, and a stationary fan residing in the inner passage. The fan creates a vortex in a flow through the inner passage thus improving the...
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7052247 |
Suction muffler for compressors, compressor with the suction muffler, and apparatus having refrigerant circulation circuit including the compressor
Disclosed herein are a suction muffler for compressors, a compressor with the suction muffler, and an apparatus having a refrigerant circulation circuit including the compressor. The present...
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5669762 |
Sound and pulsation reducing outlet chamber for an air compressor
An air chamber structure for a medical air compressor, the chamber being provided between the pump and an air bed. Two flow guiding stubs are provided at an air input end to scatter air and render...
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5670757 |
Exhaust silencer for engines and generators
An exhaust silencer for receiving exhaust gasses from an engine includes inner and outer cylindrical walls and top and bottom closure plates. The inner wall and the top and bottom closure plates...
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4747761 |
Silencer-carrying rotary vane pump
A silencer-carrying rotary vane pump wherein a hollow portion is provided between inner and outer circumferential walls of a cylindrical center case of the vane pump. The hollow portion is closed...
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4685534 |
Method and apparatus for control of fluids
A basic new method and devices for treating flowing substances such as subdivided solids, colloids, gels, liquids and gases, under varying temperatures, pressure and velocity conditions is...
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4655694 |
Housing assembly for motor/fan means of a wet/dry vacuum cleaner
A bypass type vacuum includes a casing constructed of a cover and a motor housing disposed within the cover. A first circular partition of the motor housing defines a main expansion chamber which...
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4623035 |
Muffler of the sound reflecting type for use with internal combustion engines
A muffler is disclosed comprising a closed housing having an annular inlet and an annular outlet neck, and the housing having arranged therein a pair of axially extending pipes which are at least...
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4538701 |
Muffler
Improvements in the attenuation of sounds emitted by an internal combustion engine exhaust system are achieved by shaping a muffler housing to substantially eliminate flat sound radiating surfaces,...
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4346783 |
Apparatus for treating flowing working gases particularly to reduce the noise in operation thereof
A device for treating flowing working gases in order to reduce their operational noises and in most instances also to increase their operating efficiency comprises a flowing working gas operating...
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4285916 |
Exhaust gas pollution control system
An exhaust gas pollution control system (10) for purification of exhaust gases passing from a combustion chamber. The control system (10) includes a housing element (14) which extends in a...
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4162904 |
Silencer-separator device
A silencer-separator having a cylindrical casing of circular cross section which is divided into an upper separator chamber and a lower expansion chamber. An inlet pipe directs a gas stream into...
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4147230 |
Combination spark arrestor and aspirating muffler
A spark arrestor aspirating muffler for an internal combustion engine which comprises an outer body or housing having an exhaust gas inlet in one end and a gas outlet in the opposite end. Located...
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4105089 |
Flow distributor for gas turbine silencers
Gas turbine exhaust quieting means wherein the low frequency noise which is normally generated by turbulence in the gas turbine exhaust, is suppressed by means of a turbulence suppressing flow...
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3970167 |
Rotary flow muffler
A device for silencing the exhaust of an internal combustion engine. The interior of a hollow body member is divided into first, second and third chambers by first and second baffle members. An...
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3963092 |
Exhaust muffler for competition car engines
An exhaust muffler for competition car engines has a cylindrical, outer or main shell with an inlet at one end smaller than or the same diameter as the main shell and with an outlet at the other...
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3927731 |
Muffler with spiral duct and double inlets
A muffler silencer having two coaxial, opposed inlets leading to a spiral duct centrally disposed within a housing, the outlet of the spiral duct being connected to an outlet extending from the...
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3921290 |
Chain saw with cyclically restricted and continuously vented acoustic filtering
A chain saw including a noise suppressing apparatus wherein a pulsing exhaust flow is passed through an acoustic filter and is cyclically restricted while permitting a continuous venting of at...
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3858678 |
MUFFLER WITH ROTARY GAS FLOW
A muffler has a gas flow path with inlet and outlet louver patches containing louvers that are directed circumferentially of the path but in opposite directions.
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3750841 |
MUFFLING DEVICE FOR GAS DISCHARGE
Gas discharge muffling device having generally cylindrical body with closed ends, inlet pipe directing gas tangentially into body and outlet pipe exhausting gas from device. Baffle plate divides...
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3530953 |
MUFFLER WITH TANGENTIAL INLET AND OUTLET NIPPLES
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3374858 |
Acoustic filter with plural helical passages
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3374857 |
Muffler construction
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3340958 |
Muffler for internal-combustion engine
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3335814 |
Muffler with multiple circumferential flow chambers
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3323614 |
Muffler with loop-shaped band movable by gas pulsations
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3243011 |
Muffler with expansion chamber defining centrifugal flow path
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3177973 |
Gas recirculating muffler
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3166152 |
Muffler device
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3074506 |
Muffler for internal combustion engine
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3036656 |
Noise suppressor for pressure reducing valves
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2942684 |
Muffler
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2925830 |
Fluid flow rectifier
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