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3918530 |
Eccentric element for silencing tool and method
A method and a means for silencing the noise generated by a vibrating impact transmitting tool such as a pneumatic hammer operated chisel, pick, spade or ballast tamper in which an elastomeric...
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3918549 |
Sound damping apparatus
A sound damping apparatus has a resilient wall that defines a first volume and rigid walls defining a second or third volume. A gas entry communicates with the volume defined by the resilient wall....
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3897851 |
Muffler for two cycle diesel pile hammer
A muffler for a two cycle internal combustion cylinder having a common intake and exhaust port is disclosed. The muffler finds preferred use on a two cycle diesel pile hammer having a common intake...
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3896897 |
Exhaust muffler
This invention relates to an improved sound dampener or muffler primarily useful in reducing the noise level resulting from exhaust gases. The invention has particular applicability to the...
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3891049 |
Pneumatic tool construction
A housing of a pneumatic tool has a curved portion provided with outlet openings for spent pneumatic fluid. An auxiliary muffler is provided for the tool, including a curved body which is...
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3887017 |
Modular leads frame with noise abatement system and pile feeder
A modular leads frame for a pile driving machine is provided with a plurality of noise abating shield members which surround the driving hammer of the pile driving machine with certain ones thereof...
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3880245 |
Exhaust noise attenuating system with muffler for pneumatic tools
A pneumatic tool having incorporated therein a system including an arrangement of passages together with an expansion chamber, a sound resonator chamber, and a plug type screen muffler having...
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3874023 |
Resiliently mounted motor and fan arrangement for a canister cleaner or the like
Canister cleaner arrangements are provided in which the motor and fan system is resiliently mounted to suppress vibration and noise transmission outwardly of the cleaner by the utilization of upper...
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3847232 |
PNEUMATIC PERCUSSIVE TOOL
A pneumatic tool for lowering aerodynamic noise generated during operation thereof and comprising a cylinder , a hammer accommodated in the cylinder, a casing mounted on the cylinder forwardly of...
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3845840 |
SILENCER AND LUBRICANT TRAP FOR AIR TOOL EXHAUST
A combined baffle and air turbulator-lubricant interceptor gap is mounted within the upper part of a cup defining an expansion chamber and subjacent lubricant sump. The baffle directs exhaust air...
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3823795 |
AIR TOOL MUFFLER
A pneumatic portable power tool such as an impact wrench is disclosed which incorporates an improved air exhaust passage and muffler. The tool is of the pistol-grip type and the exhaust passage is...
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3815705 |
MUFFLER FOR A PNEUMATIC PERCUSSION TOOL
A muffler for attenuating the sounds generated by the operation of a pneumatic percussion tool is disclosed, wherein the muffler is formed in two, symmetrically-shaped halves to facilitate mounting...
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3814209 |
AIR EXHAUSTER FOR A ROTARY PNEUMATIC MACHINE
An air exhauster for a rotary pneumatic machine is disclosed having an annular boss and a central projection having a tapped hole therein positioned on the body casing of a rotary pneumatic...
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3811251 |
CLASSIFYING MUFFLER
Muffler for classifying and separating entrained oil and water from exhaust air of pneumatic devices. Exhaust air is led into a relatively unrestricted expansion chamber and passes into a silencing...
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3809179 |
EXHAUST MUFFLER FOR PNEUMATIC TOOLS
A muffler for the air exhaust of pneumatic tools to reduce the noise level thereof. Composition of the muffler comprises an abrasive grit distributed on a thin flexible base to which it is secured....
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3802538 |
AIR FLOW REGULATORS AND NOISE REDUCTION DEVICES
The invention comprises an air flow regulating attachment which may be removably secured to an air tool having conventional air exhaust means at the end of the barrel thereof, which attachment...
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3783590 |
FILTER-SILENCER FOR PNEUMATIC DEVICES
A filter-silencer for pneumatic devices such as air valves, cylinders and the like of the type including a porous filter of a sintered metallic mass wherein, upon clogging of the filter and...
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3765607 |
HIGH PRESSURE FLUID SYSTEM AND NOZZLE AND VALVE ASSEMBLY THEREFORE
A fluid system for supplying a high pressure stream of fluid is disclosed in which a novel, hand-held nozzle and valve assembly is provided for controlling the flow of fluid from a high pressure...
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3743048 |
SOUND MUFFLER FOR EXPLOSIVE DEVICES
A one-piece hollow enclosure slidably or fixedly mounted over the cooperating housing and barrel of an explosive hand-held device, such as a powder actuated fastener driving tool, reduces the noise...
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3719251 |
DIFFUSER APPARATUS FOR PNEUMATIC TOOLS
A diffuser apparatus to disperse a gaseous stream wherein the apparatus is formed as a single integral unit having an internally located supply passage, a gaseous exhaust passage surrounding the...
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3688868 |
EXPANSION CHAMBERED, FAIL-SAFE MUFFLER
Muffler for air-exhausts of pneumatically operated equipment in which sound is muffled by passage of the air from a relatively unrestricted first domed expansion chamber through a first...
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3680659 |
NOISE MUFFLER HAVING A UNIQUE PRESSURE SAFETY VALVE
A muffler for reducing the noise level of a noise carrying gaseous flow having a fiberglass depth type filter and a pleated paper filter mounted within a metallic canister. The depth type filter...
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3675732 |
MUFFLER FOR PNEUMATIC MOTOR
A hydraulic pump and double acting air motor therefor including means for controlling the inlet and exhaust of air to and from the opposite sides of the piston in the air cylinder. A pilot valve...
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3667571 |
SOUND-INSULATING DEVICE FOR NOISY APPARATUS
Sound-insulating device for apparatus generating intensive noise comprising a series of n impervious enclosures of increasing dimensions, the first enclosure having the smallest dimensions...
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3635299 |
MUFFLER FOR PNEUMATIC TOOL
A muffler for a pneumatic tool of the expansible chamber percussion motor type. The muffler comprises a substantially integral shroud covering a portion of the tool casing and forming a double...
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3628627 |
SILENCER FOR AIR-BLASTING GUN
A silencer adapted to be attached to an abrasive blasting gun comprises a tapered end portion and a straight barrel portion. The end portion forms an annular tapered airspace around the outlet of...
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3601219 |
AIR DISTRIBUTION PLENUM WITH SILENCER FOR HEAD ENCLOSURES
A plenum adapted to be mounted in a head protective hood for distributing respiration air to the interior of the hood. The plenum is formed by an air distribution tube that has a plurality of air...
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3599756 |
ROCK DRILL FEED MAST WITH INTEGRAL MUFFLER AND OIL SEPARATOR
A compressed air drill mounted and movable on a guide mast is presented wherein the guide mast is a boxlike structure having a plurality of openings to receive the exhaust from the drill. The guide...
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3559753 |
PERCUSSION TOOL
A percussion tool such as an air hammer having a spring-supported mounting for the operating chisel in which said chisel is adjustably affixed to the center of said spring to permit a setting for...
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3554316 |
DETACHABLE ELASTOMER MUFFLER FOR PNEUMATIC PERCUSSIVE TOOLS
A one-piece muffler formed of elastomer material, having a C-configuration adapted to collar over the exhaust ports of a pneumatic percussive demolition tool, and adapted to be detachably clamped...
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3547223 |
SPEED CONTROL MUFFLER WITH ADJUSTABLE VALVE
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3526293 |
MUFFLER FOR FLUID ACTUATED TOOL
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3459275 |
SOUNDPROOF COMPRESSED-AIR MACHINE
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3402560 |
Acoustically deadened piling
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3385395 |
Muffling system for compressed airoperated drilling apparatus
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3384200 |
Exhaust muffler for pneumatic tool
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3380553 |
Exhaust muffler with expansion chambers in inlet cover dome
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3379278 |
Muffler for pneumatically powered tools
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3365022 |
Silencing means for percussive pneumatic tools
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3353338 |
Suction cleaner
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3332504 |
Impact tool
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3330378 |
Pneumatic grinder with integral exhaust silencer
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3328826 |
Combination vacuum cleaner and hassock
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3323615 |
Variable volume exhaust muffler for fluid operated tools
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3308608 |
Vacuum cleaner
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3270834 |
Pneumatic tool having exhaust noise reducing means
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3263770 |
Noise deadening means for percussive tools
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3255844 |
Multi-passage silencer for pneumatic tool
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3235030 |
Pneumatic rock drill muffler with water mingling pipe
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3225861 |
Sound suppressing device comprising elastic tubular sleeve for air actuated percussive type tools
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