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4617034 |
Electric cleaner with minimum noise
An electric cleaner incorporates an effective noise suppression arrangement for minimizing the noise generated by the exhaust from the electric air blower. The present invention provides an...
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4615069 |
Apparatus for collecting debris
A debris collecting apparatus includes a debris conduit (2) one end of which is an operating end (4) and the other end of which is a collecting end with a collecting bag (6) attached thereto. An...
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4592764 |
Vacuum cleaner
A body of a vacuum cleaner comprising three subassemblies, i.e., a front subassembly, a central subassembly, and a rear subassembly. The front subassembly stores the matter drawn through a suction...
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4519112 |
Muffled vacuum cleaner
This disclosure concerns primarily the filter dirt-collecting bag for a vacuum cleaner having a motor and motor-driven fan in a housing. The outlet from the fan projects outwardly and usually...
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4512713 |
Vibration isolating means
A vacuum cleaner is provided with a subassembly including an electric motor, a fan driven by the motor and a housing which supports the fan and motor. This assembly is supported on the upper...
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4475264 |
Dual inlet muffler assembly for truck hot water vacuum extraction machine
An elongated hollow plastic body mounts a first plastic exhaust pipe of L-shaped configuration which passes completely through the body. Its inlet end is connected to the positive air pressure...
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4446594 |
Upright type electric cleaner
An upright type electric cleaner including a main body case (1) and a suction port body (1), wherein when the main body case is brought to an upright position as the machine is inoperative, a...
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4443235 |
Self-cleaning cabinet dust collector
A compact, self-cleaning, cabinet, dust collector is provided. The collector housing is a single-piece, molded unit having recessed areas and a molded air inlet. Entering dust-laden air is directed...
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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...
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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,...
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4403370 |
Arrangement for cleaning band-like data carriers
An arrangement for cleaning band-shaped data carriers, such as photographic film, has at least one brush element arranged to move relative to a data carrier so as to remove dust particles from the...
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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...
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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...
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4334337 |
Compact wet-dry electric vacuum cleaner
The disclosure concerns a compact wet-dry vacuum cleaner adapted for collecting both wet and dry materials. The vacuum cleaner is powered by a by-pass type blow motor which is supported in a...
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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...
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4307483 |
Traveling pneumatic cleaner with noise reducer
A noise abating enclosure is positioned beneath and movable with the overhead-mounted blower fan housing of a traveling pneumatic cleaner, and is provided with an upwardly opening air flow inlet...
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4302225 |
Hand vacuum cleaner
A hand vacuum cleaner includes a housing having an inlet and an outlet, and a front and a rear part connectable with each other so as to constitute the housing. The housing has a front face and a...
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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...
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4120616 |
Vacuum cleaner-blower assembly with sound absorbing arrangement
A quiet and powerful vacuum cleaner-blower assembly comprises an improved quiet operating electric motor coupled to and driving an improved quiet operating blower. The motor has improved cooling...
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4015683 |
Noise suppressor for vacuum sweeper and the like
A noise suppressor package attachable to air exhaust tubing comprises: A. annular body means defining an axially extending bore to pass said exhaust, said body means including compressible foam...
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3973642 |
Noise-reducing blowing nozzle
A jet nozzle is described in which the noise is greatly reduced. It comprises a tapering thick-walled tube of rubber or plastic, to the wider end of which a pressurized fluid is supplied through a...
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3971096 |
Vacuum cleaner, operated by compressed air
The present invention relates to a pressurized air-driven suction device for dust, mud, liquids, and similar substances, comprising one or more nozzles for ejecting pressurized air, and including...
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3903562 |
Car drying apparatus
Apparatus is provided for drying a freshly washed and therefore water-coated vehicle as it is moved along a fixed path of travel. The apparatus includes a casing fitted with air fan means and a...
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3882961 |
Muffler for vacuum-inducing motor
An air-filtering, sound-attenuating muffler. The muffler includes an attenuator box and a multi-layer muffler filler. The layers of the muffler filler are reticulated polyurethane foam of varying...
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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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3842461 |
INDUSTRIAL VACUUM APPARATUS
This invention provides a mobile vacuum unit comprising a mobile frame on which a collection box is mounted. Snorkel intake means is adapted to draw air and entrained materials into the box through...
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3831223 |
CARPET AND UPHOLSTERY CLEANING APPARATUS WITH IMPROVED NOISE MUFFLING FEATURE
There is disclosed apparatus for cleaning carpets, upholstery and the like utilizing a meter driven separate reservoir system for supplying a cleaning solution to a remote cleaning head adapted to...
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3599273 |
VACUUM CLEANER
A vacuum cleaner consisting of a body separable into two sections, wherein the airpaths of the sections are serially joined by a flexible hose to be housed in a tubular chamber formed in the sections.
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3516110 |
HORIZONTAL TANK-TYPE VACUUM CLEANER HAVING SOFT COVERING
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3466696 |
VACUUM CLEANER
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3431583 |
SOUND ATTENUATOR FOR VACUUM-TYPE DEBRIS COLLECTOR
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3358316 |
Suction cleaner
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3353338 |
Suction cleaner
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3334370 |
Lightweight portable vacuum cleaner
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3328826 |
Combination vacuum cleaner and hassock
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3308608 |
Vacuum cleaner
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3255480 |
Suction cleaners
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3218783 |
Suction cleaners
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3204282 |
Suction actuated head
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3082938 |
Vacuum cleaners
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2994903 |
Tape transport loop chamber apparatus
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2962118 |
Electric vacuum cleaner
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2959804 |
Vacuum cleaner end arrangement
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2929462 |
Muffler for internal combustion engines
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2915774 |
Turbine drive surface cleaner with integral generator
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2887714 |
Suction road cleaning machine
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2884185 |
Suction tank head
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2876479 |
Suction cleaner transport accessory
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2814064 |
Anti-chattering air supported cleaner
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3564641 |
Title is not available
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