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Liquid separator attachment for vacuum cleaners

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Publication number
US2657416A
US2657416A US9172149A US2657416A US 2657416 A US2657416 A US 2657416A US 9172149 A US9172149 A US 9172149A US 2657416 A US2657416 A US 2657416A
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US
Grant status
Grant
Patent type
Prior art keywords
suction
container
opening
inlet
vacuum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
Inventor
Lester C Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Spencer Turbine Co
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Spencer Turbine Co
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4097Means for exhaust-air diffusion; Exhaust-air treatment, e.g. air purification; Means for sound or vibration damping
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • A47L11/4019Fill level sensors; Security means to prevent overflow, e.g. float valves
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4094Accessories to be used in combination with conventional vacuum-cleaning devices
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/2931Diverse fluid containing pressure systems
    • Y10T137/3003Fluid separating traps or vents
    • Y10T137/3084Discriminating outlet for gas
    • Y10T137/309Fluid sensing valve
    • Y10T137/3099Float responsive
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/2931Diverse fluid containing pressure systems
    • Y10T137/3109Liquid filling by evacuating container
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/87571Multiple inlet with single outlet
    • Y10T137/87676With flow control
    • Y10T137/87684Valve in each inlet

Description

Nov. 3, 1953 L. c. SMITH 2 7,

LIQUID SEPARATOR ATTACHMENT FOR VACUUM CLEANERS Filed May 6, 1949 IN V EN TOR. Lao new 6'. S/ww/ Patented Nov. 3, 1953 LIQUID 'ssranA'ron ATTACHMENT FOR VACUUM CLEANERS Lester C. Smith, West Hartford, Conn., assignor to The Spencer Turbine Company, Hartford, Gonn a corporation of Connecticut Application May 6, 1949, Serial No. 91,721

Claims.

This invention relates to a liquid separator attachment for vacuum cleaners and more particularly to a device which may be detachably secured to a conventional vacuum cleaner for drawing liquids into a container provided with said attachment.

An object of this invention is to provide a device which may be detachabl'y secured to the casing of a conventional vacuum cleaner and which may be connected with the air inlet opening of said vacuum cleaner so as to provide the required vacuum in the container of said attachment for drawing up liquids from the floors of buildings or the like. h

A further object of this invention is to provide such an attachment which may be retained in position upon the vacuum cleaner without interfering with the normal operation thereof.

A still further object of the invention is to provide such an attachment which may be connected to the conventional vacuum cleaner without requiringany material changes in the construction thereof.

Further objects and advantages of this invention will be more clearly understood from the following description and from the -accompanying drawings in which:

Fig. 1 is a plan view, partly in section, of a conventional vacuum cleaner with my improved attachment connected thereto. I

Fig. 2 is a side view,- partly in vertical section, of said vacuum cleaner and attachment; 7

Fig. 3- is a sectional plan view of myimproved attachment on line 3*3 of Fig. 1.

As illustrated in the drawings, the numeral 5 denotes a vacuum cleanerof a type having a casing 6 containing a suction chamber Tin which is mounted a filter or separator 8 and which has an air inlet opening 9 in the wall of said casing. A connector 10 is commonly provided in said air inlet openingto receive the end of a hose or the like extending from a manually operated cleaning attachment. The usual suction creating mechanism iscontained in thepo-rtion I! of the vacuum cleaner casing and is com;- monly driven by an electric motor indicated at l2.

My improved attachment comprises a liquid container l3 preferably having a curved wall M which conforms. with the contour of the. casing 8 and is detachably secured thereto bymeans of suitable fasteners [51 The said container is provided with a top [6 having an opening: ll with a. closure secured thereover. A connector I58 is provided in the form of a tubular member which is mounted at the upper portion of the container 13 and communicates with the interior thereof The, said connector is preferably provided with a closure [9 which is pivotally mounted and adapted to automatically close under the influence of a partial vacuum occurring within the container i3.

p In order to communicate the interior or the container with the chamber '1, I provide a suction tube 20 which is located below said con tainer and is adapted to fit into the connector ID. This suction tube communicates with a suction pipe 2| in the container i3 which opens downwardly as at 22 and has connected thereto a float valve including ascreen cage 23 haying a float ball 24 therein positioned below the open end of the pipe 2| as shown in Fig. 2.

The suction tube 20 is provided with a con.- nector 25 that communicates directly with the chamber 1 and is adapted to receive the end of a hose attached to any desired cleaning tool as is well known to those skilled in the art. The said connector is also provided with a pivotally mounted closure 26 that closes under the influence of a vacuum in the chamber 1.

It will be noted that the opening 22 into the pipe 2| is located in the upper portion of the container l3 and below the plane of the inlet connector I. This permits the suction to be applied to the container I3 until the container is filled to a predetermined level at which level the liquid is located below the plane of said con.- nector I8 so that any further rise of the liquid level will serve to operate the float valve to shut off the suction before the liquid can'rea'ch the said opening.

Myimproved attachment may be secured. to a vacuum cleaner such as shown by simply inserting the: end of the suction tube 9 into the conventional connector I!) and clamping the attachment to the. side of the casing '6 by means of the fastening members I-5.

A drain valve 21 is connected to the bottom 28 of'thecontainer l3 for the purpose of. draining the liquid therefrom when desired.

When it is desired to use my improved attach.- ment for drawing liquids into the container 13, the conventional coupling on the end-of a hose extending, from a: suitable manually operated cleaningtool is inserted into the connector 1-8 and the, operation o1v the vacuum cleaner is started by connecting the motor l2 to asuitabie electric: supply. This causes a partial vacuum in the chamber 1 which is communicated with the interior of the container l3 through the tubes 20 and: 2| and. thereby provides a partial. vac.- uum in said containerwhich serves to draw; the

liquid through the hose into said container as the cleaning tool is moved through the liquid. Should a mixture of liquid and air be drawn into the tank l3 by the partial vacuum therein, the liquid, being heavier than air, will fall to the bottom of the tank while the said air will pass through the suction pipe 2| and into the suction chamber 1. When the container is filled to a predetermined level, the float 24 will be raised until it is drawn into engagement with the seat at the open end 22 of the pipe 2! and thereby discontinue the withdrawal of air from the said container and prevent further rise of the liquid level which would cause said liquid to be drawn into the chamber I.

When the container I3 is to be emptied, the valve 21 is opened to permit the liquid to flow therethrough. When it is desired to use the vacuum cleaner for its originally intended purpose without removing the attachment therefrom, the closure 19 is permitted to seal the opening in the connector l8 by removing the hose therefrom and inserting the said hose into the connector 25. This causes the air to be drawn directly from the cleaning tool through the hose and through the suction tube into the chamber 1. Any dirt drawn into said chamber will be separated from the air by means of the filter or screen 8 and dropped into the collector container 29 located below the suction chamber. It will be noted that the partial vacuum created in the chamber i3 (lining the normal use of the vacuum cleaner will serve to retain the closure I9 in its closed position thereby rendering the attachment inoperative and permitting convenient use of the vacuum cleaner in the conventional manner.

I claim:

. 1. In combination with a vacuum cleaner comprising a casing having a suction chamber therein and an inlet opening in a wall of said casing which opening communicates with said chamber, a device comprising a container mounted upon said casing, a suction pipe having an open end in the upper portion of the said container,

the said container having an inlet opening that opens to atmosphere and is disposed above the level of the op n end of the suction pipe, means for closing said inlet opening, a suction tube disposed below said container and communicating with the said suction pipe and connected to the inlet opening in said casing, the said suction tube further having an inlet opening that opens to the atmosphere, and means for closing said inlet opening of the suction tube, said closure means for the inlet opening of said container and for the inlet opening of said suction tube being selectively operable to permit attachment of a suction tool to either of said openings.

2. In combination with a vacuum cleaner comprising a casing having a suction chamber therein and an air inlet opening in a wall of said casing which opening communicates with said chamber, a device including a container mounted upon the exterior of said casing, a suction pipe extending into said container through the bottom thereof. and having an opening in the upper portion of the interior of said container, the said container having an'inlet opening that opens to atmospher and is located above the level of the opening of said suction pipe, means for closing said inlet opening of the container, a suction tube disposed below said container and communicating with said suction pipe, the said suction tube being inserted into the air inlet opening of said casing and having an open end that opens to the atmosphere and is located exterior- 1y of said container, said open end being provided with a closure member, said closure means for the inlet opening of said container and for the inlet opening of said suction tube being selectively operable to permit attachment of a suction tool to either of said openings.

3. In combination with a vacuum cleaner comprising a casing having a suction chamber therein and an air inlet opening in a wall of said casing, an attachment including a liquid container fitting the exterior of said casing and conforming to the contour thereof, a suction pipe extending vertically through the bottom of said container and having an opening in the upper portion thereof, a float valve adapted to close said opening upon liquid in said container reaching a predetermined level, the said container having an inlet opening in the wall .thereof that opens to atmosphere and is located above the level of said opening of the suction pipe, the inlet opening in the wall of said container being provided with a closure member a horizontal suction tube disposed below the container and communicating with said suction pipe, the said suction tube being inserted into the said air inlet opening of said casing and having an inlet opening that opens to atmosphere and is located exteriorly of the container, and means for closing the inlet opening of said tube said closure means for the inlet opening of said container and for the inlet opening of said suction tube-being selectively operable to permit attachment of a suction tool to either of said openings.

4. An attachment for a vacuum-cleaner comprising a casing having a suction chamber therein and an inlet opening in said casing that communicates with the suction chamber; the said attachment comprising a container having a wall portion conforming to the shapeof the said casing and adapted to fit snugly against it, means for detachably securing the container to the easing, a suction tube mounted on said container below the bottom ther of and adapted to fit into the said inlet opening of the casing to communicate with the suction chamber, the said suction tube having an inlet opening, means for closing said inlet opening of the suction tube, a suction pipe extending upwardly from the suction tube through the bottom of the container and having an opening in the upper portion of the interior of said container, an inlet opening in the wall of said container located above the level of the opening in said suction pipe, and means for closing said inlet opening of the container, said closure means for the inlet opening of said container and for the inlet opening-of said suction. tube being selectively operable to permit attachment of a suction tool to either of said openings.

5. The combination as set forth in claim 1, wherein the open end of said suction pipe is provided with float valve means adapted to close said opening upon liquid in said container reaching a predetermined level.

LESTER C. SMITH.

References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 1,161,263 Spencer Nov. 23, 1915 1,690,472 Breton Nov. 6, 1928 2,335,460 Smellie Nov. 30, 1943

US2657416A 1949-05-06 1949-05-06 Liquid separator attachment for vacuum cleaners Expired - Lifetime US2657416A (en)

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Application Number Priority Date Filing Date Title
US2657416A US2657416A (en) 1949-05-06 1949-05-06 Liquid separator attachment for vacuum cleaners

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Application Number Priority Date Filing Date Title
US2657416A US2657416A (en) 1949-05-06 1949-05-06 Liquid separator attachment for vacuum cleaners

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US2657416A true US2657416A (en) 1953-11-03

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3065489A (en) * 1960-07-26 1962-11-27 Wright Hershel Earl Floor cleaning device
US3082465A (en) * 1961-03-06 1963-03-26 Multi Clean Products Inc Vacuum cleaning apparatus
US3308609A (en) * 1963-11-27 1967-03-14 Mitchell Co John E Vacuum cleaning system
US3885932A (en) * 1974-01-10 1975-05-27 Super Products Corp Dust filtration system
US4351723A (en) * 1979-05-21 1982-09-28 Palmer Michael C Means for removing residual water from a surface
US4796327A (en) * 1986-09-26 1989-01-10 Ing. Alfred Schmidt Gmbh Apparatus for picking up dog excrement
US5263225A (en) * 1992-03-25 1993-11-23 Winters Richard A Wet/dry vacuum system
US5455983A (en) * 1993-01-15 1995-10-10 The Hoover Company Wet/dry utility vacuum cleaner
US5511280A (en) * 1995-02-27 1996-04-30 Jankowski; William C. Vacuum cleaner assembly with low vacuum inlet
US5644815A (en) * 1993-01-15 1997-07-08 The Hoover Company Sliding door valve for utility vacuum cleaner
US5657508A (en) * 1994-09-12 1997-08-19 Compagnie Generale Des Matieres Nucleaires Apparatus for the extraction of objects immobilized in a pneumatic transfer network
US5850668A (en) * 1996-07-12 1998-12-22 Shop Vac Corporation Self-evacuating vacuum cleaner
US5918344A (en) * 1996-07-12 1999-07-06 Shop Vac Corporation Self-evacuating vacuum cleaner
US5920955A (en) * 1996-07-12 1999-07-13 Shop Vac Corporation Self-evacuating vacuum cleaner
US5943732A (en) * 1993-01-15 1999-08-31 The Hoover Company Door valve for utility vacuum cleaners
US5966775A (en) * 1996-07-12 1999-10-19 Shop Vac Corporation Self-evacuating vacuum cleaner
US6009596A (en) * 1996-07-12 2000-01-04 Shop Vac Corporation Self-evacuating vacuum cleaner
US6079076A (en) * 1997-07-31 2000-06-27 Shop-Vac Corporation Vacuum cleaner collection bag
US6112366A (en) * 1999-01-20 2000-09-05 Shop Vac Corporation Outlet priming self-evacuation vacuum cleaner
US6230361B1 (en) 1999-12-15 2001-05-15 Shop Vac Corporation Dust pan closure for a vacuum cleaner
US6309469B2 (en) * 1999-03-15 2001-10-30 Shop Vac Corporation Debris access door

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1161263A (en) * 1912-01-17 1915-11-23 Spencer Turbine Cleaner Company Cleaning apparatus.
US1690472A (en) * 1924-12-31 1928-11-06 Breton Paul Cleaning means
US2335460A (en) * 1941-06-06 1943-11-30 Hoover Co Suction cleaner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1161263A (en) * 1912-01-17 1915-11-23 Spencer Turbine Cleaner Company Cleaning apparatus.
US1690472A (en) * 1924-12-31 1928-11-06 Breton Paul Cleaning means
US2335460A (en) * 1941-06-06 1943-11-30 Hoover Co Suction cleaner

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3065489A (en) * 1960-07-26 1962-11-27 Wright Hershel Earl Floor cleaning device
US3082465A (en) * 1961-03-06 1963-03-26 Multi Clean Products Inc Vacuum cleaning apparatus
US3308609A (en) * 1963-11-27 1967-03-14 Mitchell Co John E Vacuum cleaning system
US3885932A (en) * 1974-01-10 1975-05-27 Super Products Corp Dust filtration system
US3973935A (en) * 1974-01-10 1976-08-10 Super Products Corporation Dust filtration system
US4351723A (en) * 1979-05-21 1982-09-28 Palmer Michael C Means for removing residual water from a surface
US4796327A (en) * 1986-09-26 1989-01-10 Ing. Alfred Schmidt Gmbh Apparatus for picking up dog excrement
US5263225A (en) * 1992-03-25 1993-11-23 Winters Richard A Wet/dry vacuum system
US5455983A (en) * 1993-01-15 1995-10-10 The Hoover Company Wet/dry utility vacuum cleaner
US5943732A (en) * 1993-01-15 1999-08-31 The Hoover Company Door valve for utility vacuum cleaners
US5608945A (en) * 1993-01-15 1997-03-11 The Hoover Company Wet/dry utility vacuum cleaner
US5644815A (en) * 1993-01-15 1997-07-08 The Hoover Company Sliding door valve for utility vacuum cleaner
US5657508A (en) * 1994-09-12 1997-08-19 Compagnie Generale Des Matieres Nucleaires Apparatus for the extraction of objects immobilized in a pneumatic transfer network
US5511280A (en) * 1995-02-27 1996-04-30 Jankowski; William C. Vacuum cleaner assembly with low vacuum inlet
US5850668A (en) * 1996-07-12 1998-12-22 Shop Vac Corporation Self-evacuating vacuum cleaner
US5918344A (en) * 1996-07-12 1999-07-06 Shop Vac Corporation Self-evacuating vacuum cleaner
US5920955A (en) * 1996-07-12 1999-07-13 Shop Vac Corporation Self-evacuating vacuum cleaner
US5966775A (en) * 1996-07-12 1999-10-19 Shop Vac Corporation Self-evacuating vacuum cleaner
US6009596A (en) * 1996-07-12 2000-01-04 Shop Vac Corporation Self-evacuating vacuum cleaner
US6079076A (en) * 1997-07-31 2000-06-27 Shop-Vac Corporation Vacuum cleaner collection bag
US6112366A (en) * 1999-01-20 2000-09-05 Shop Vac Corporation Outlet priming self-evacuation vacuum cleaner
US6309469B2 (en) * 1999-03-15 2001-10-30 Shop Vac Corporation Debris access door
US6230361B1 (en) 1999-12-15 2001-05-15 Shop Vac Corporation Dust pan closure for a vacuum cleaner

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