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Publication numberUS1774156 A
Publication typeGrant
Publication dateAug 26, 1930
Filing dateJan 21, 1928
Priority dateJan 21, 1928
Publication numberUS 1774156 A, US 1774156A, US-A-1774156, US1774156 A, US1774156A
InventorsHuber H Root
Original AssigneeA I Root Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Air purifier for toilets
US 1774156 A
Abstract  available in
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

H. H. ROOT AIR PURIPIER Fon ToILETs Aug. 26, 1930.

`Film1 Jan. 21. 192s Patented Aug. 26, 19304 y UNITEDA STATES PATENT oFiFicE HUBER l11. Boor, 'or MEDINA, omo, AssrGNoR To .THE A. -r. noel` coMPANmvoF MEDINA, omo, A coEoRA'rIoN or oHIo AIR PUBIAFIER FQR TOILETS Application mea January 21', 192s. serial no. 248,522.

The objeet of my invention is to provide means for the sanitation or-purilicatlon of washrooms, toilets, and other places bythe treatment of the air thereof by apparatuswhich will combine maximum efliciency in its deodorizing and lother beneficial effects 011 the air, simplicity-of parts and readiness of application to a bowl, especially as an attachment, so that no alteration of the or1gi0 inal condition'of the structure or partswill be necessary, and no special .skill in making or applying the attachment will be' called for.

My invention consists in whatever is described by or is included within the terms' or scope of the appended claims.

In the drawings: Fig. 1 isa perspective view villustrating an embodiment of my invention showing it installed. n

Fig. 2 is a vertical section of a portion thereof. 1

Briefly described the embodiment of my invention shown in the drawings includes a rectangular casing'or support readily made vof wood which by reason of its flat bottom may be easily supported on the ,floorand which at the top has a pipe connection with a nozzle that extends horizontally to project over the top edge of the bowl or fixture,

and an air moving .device including an electric motor mounted within the casing which will cause a flow of air into the nozzle and down through the pipe and into the casing and thence, out through a vertical wall thereof, means for deodorizing or disinfecting the air being placed in the upper part of the casing through which the air is drawn before it passes outward, into the room purified and deodorized, the purifying or d1s1 n feeting material beinfr thus interposed be tween the air flow in ucing device and the bowl so that it is impossible that an"y leakage from said device would result in the discharge of air into the room without being passed through the disinfecting or deodorizin agent. The device has no positive connectlon with the bowl or fixture but simply rests on the floor in a convenient position so that it'is portable or readily removable and is self contained so that 'it involves'no plumbing or mechanical work for attachment to the bowl and can be readily shifted around as when sweeping or cleaning is to 1 be done. No skill whatever is required for which provides an extended base of ample area to support it, within which is mounted an electric motor, 11, to the horizontal armature shaft on which is secured a fan, 12, that is over an opening in'one of the larger vertical walls of the casing, the fan being of a well-known construction that includes obliquely extending vanes, 13, so that by its revolution, air drawn.into the top of the casing will be expelled outward therefrom.

The top ofthe casing has a hole with which communicates the lower end of a vertical pipe which consists of two telescopic members, one a piece of rubber hose, 14, secured tothe casing top, andthe other a piece of metal pipe, 15, which extends rinto the hose and is vertically'movable and which at the I top has a horizontally extending nozzle, 16, which is widev horizontally and flat vertically so that it may extend over the top edge of the bowl beneath the seat without obstructingthe latter in any way. The telescopic construction is employed for bowls of dierentheight, and adjustment is necessary so that the supporting casing may rest on the floor regardless of the'hcight the inlet nozzle may occupy. In thel upper part of the casing immediately below the openingI is a traylike container, 17 filled with granulated charcoal, 18, or other purifying or deodorizing material, thebottom, 19, of the `tray being will allow the free passage of air drawn by the fan from the bowl.

The top, 20, ofthe casing is preferably.

y removable, being secured to the end walls of of 'cloth or reticulated material which 95 terior of the casing as for therenewal of the gas absorbent material, that may readily be done. The tray, 17, is sup orted by screws, 22, at opposite sides W ich pass through the top, 20, intothe side walls of the tray so that tray and top may beremoved and replaced together and when aecess to the tray contents is necessary it involves merely removing the screws, 22.

If desired a uard may be placed over the fan that will 1n nowise interfere with` the free movement of air, but which will prevent iingers or other objects coming in contact with the rapidly rotating fan.

It will be seen that the reticulated member 19 and its frame forms essentially a transverse wall, a portion thereof being re,- ticulatcd or otherwise perforated to allow the passage of' air from the inlet to the interior of the casing and which casing on one side of such wall supports the filter bed of charcoal or the like. Inwardly from this wall, below as shown, the casing walls form a pressure reduction chamber or space 30, the only outlet for which is the restricted opening 32 surrounding the motor shaft and which allows the air to pass to the fan. By reason of this pressure reduction space a negative pressure or vacuum is built up and maintained so long as the fan is operating, assuring uniform suction on the filter bed. The restricted opening 32, interposed between the space 30 and the fan, insures a constant flow Vof air out of the space 30 without any churning effect of the air as when a fan of the ordinary construction 1s used.

I clalm:

1. A deodorizer for a Fixture of the class described, comprising a container, perforate means transversely dividing the saine, airv communciating with the container above the same and adjacent the air purifying means and arranged to collect foul air from such fixture.

2. A deodorizer for a fixture of the class described, comprising, a container having substantial' J' imperforate walls, perforate means transversely dividing the same, air purifying means on 011e side of the dividing means, air suction means on the other side, there being tubular means arranged to collect foul air from such fixture, and communicating with the container directly adjacent the air purifying means.

3. A deodorizing apparatus comprising a hollow container, perforate means extending across the container, a static deodorizing medium within the container adjacent said `means, and supported thereby, a motor housed by the container and a fan driven thereby, there being foul air collecting means including a flattened hollow member communicating with the container on the side 'of said medium opposite to said motor, and terminating in an elongated receiving opening adapted to be positioned at the edge of a toilet bowl, said member communicating with the container, the fan being operably arranged to create suction and thereby draw such foul air through the deodorizing medium.

4. Apparatus ofthe character described,

comprising piping having an inlet and and outlet, the inlet being flattened and thereby adapted to extend over the edge of the toilet bowl, suction means for inducing a *flow of air into the inlet and through the piping, and air purifying means situated between the inlet and the How-inducing means, whereby all the air drawn through the inlet will fiow through the air purifying means.

5. A deodorizing unit of the class described, comprising a casing, means providing a transverse partition in the casing said means including an air purifying and deodorizing body, tubular means providing an inlet for air to be filtered, said inlet means communicating with the casing on one side of the body, and an air suction motor driven fan operatively arranged on the side of said body opposite the inlet, whereby all the air allowed to enter the casing through said inlet will be forced to pass through the said purifying and vdeodorizing body.

6. A deodorizing unit of the class described, comprising a container, a transverse wall in the container, said wall having a perforate portion, a filter bed Asupported in place by said portion, tubular means providing an entrance for air to be filtered, said means being supported by the casing and communicating therewith adjacent the filter bed, a suction fan operatively supported by the casing and arranged to draw air through the tubular means and thence through the filter bed to deodorize the air, there being means, including the casing, to provide a pressure reduction space between the filter bed and the fan, the casing having a wall portion with a restricted opening therein, said opening being interposed between the pressure reduction space and the fan to conduct the air thereto.

7. A deodorizing unit, comprising a casing, a filter bed supported by said casing in such manner that all the air which passes through the casing must pass through the filter bed, tubular inlet means associated with one wall of the casing, on one side of the filter bed, an electric motor operatively supported by the casing on the opposite side of the bed, a fan connected to the armature shaft of the motor and having generally radially extending blades, awall member associated with the casing adjacent the blades and having a restricted opening substantially centrally of the fan, the wall and. opening constraining the air from Within the easing to pass through said opening to the fan blades whereby au' will be drawn in through the inlet, then through the filter bed, and thereafter returned to the atmos' phere, upon operation of the motor.

In testimony whereof I hereunto aiix my lo signature.


Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2747201 *Jul 14, 1953May 29, 1956James R HerriottToilet deodorizer
US2846696 *Mar 22, 1954Aug 12, 1958James R HerriottToilet deodorizer
US3230551 *Mar 25, 1963Jan 25, 1966Kopp Ruben AToilet bowl ventilating apparatus
US3366979 *May 6, 1965Feb 6, 1968Melvin I. JohnstonDeodorizing apparatus
US3491382 *May 1, 1967Jan 27, 1970Poister Clarence EToilet stool ventilating means
US3501784 *Nov 20, 1967Mar 24, 1970Gaggenau EisenwerkToilet fitting
US3571824 *Dec 8, 1969Mar 23, 1971Poister Clarence EToilet stool ventilating means
US4025325 *Dec 29, 1975May 24, 1977Pleasantaire Industries, Ltd.Portable ventilating air filtering device for toilets
US4317242 *Sep 28, 1979Mar 2, 1982Stamper Robin HDevice for the removal of foul air from toilet bowls and the like
US4701966 *Apr 7, 1987Oct 27, 1987Schafer Cyril LToilet stool instant odor removal means
US5064451 *Jul 31, 1990Nov 12, 1991Air Quality LaboratoriesHamper air purification system
US5288306 *Jul 22, 1992Feb 22, 1994Takeda Chemical Industries, Ltd.Activated carbon honeycombs and applications thereof
U.S. Classification96/152, 55/494, 55/467, 55/385.1, 4/213
International ClassificationA61L9/12
Cooperative ClassificationA61L9/12
European ClassificationA61L9/12