US3458136A - Dish-washing machines - Google Patents

Dish-washing machines Download PDF

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Publication number
US3458136A
US3458136A US621296A US3458136DA US3458136A US 3458136 A US3458136 A US 3458136A US 621296 A US621296 A US 621296A US 3458136D A US3458136D A US 3458136DA US 3458136 A US3458136 A US 3458136A
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United States
Prior art keywords
dish
duct
wall
washing machine
distribution chamber
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Expired - Lifetime
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US621296A
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James Belaieff
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US Philips Corp
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US Philips Corp
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Publication of US3458136A publication Critical patent/US3458136A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/008—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements comprising a wobbling or nutating element, i.e. rotating about an axis describing a cone during spraying
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
    • A47L15/22—Rotary spraying devices
    • A47L15/23—Rotary spraying devices moved by means of the sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/06—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet by jet reaction, i.e. creating a spinning torque due to a tangential component of the jet

Definitions

  • a dish-washing machine spray head having a cylindrical body arranged for rotary and oscillatory movement on which a pair of outwardly projecting tubular ducts are mounted.
  • the head is provided with another pair of ducts having axes which intersect above the head to form a sheet of washing liquid when pressure is applied.
  • the present invention relates to a dish-washing machine having a water projecting device in the form of a substantially cylindrical body provided with a distribution chamber and an apertured head and arranged for rotary and oscillatory movement imparted to it by water pressure.
  • This device has the disadvantage that since the water projection is performed solely from the center of the tub, some pieces to be washed, arranged at the corners or near the walls of the tub are beyond the range of the jets, so that they are not washed satisfactorily.
  • the present invention obviates this disadvantage and is characterized in that at least one water outlet duct is associated with the wall of the distribution chamber.
  • the free end of the duct is at least partly closed, while the wall of this duct has at least one aperture. It another embodiment the sum of the areas of the apertures provided in the wall is smaller than the surface of the cross sectional area of said duct.
  • the free end of the duct is closed by a flat surface which is at an angle of about 60 to a cross sectional plane of the tube.
  • a tube communicates with at least one of said apertures provided in the wall of said duct and that a cross sectional plane of the tube is at an angle of about 80 with a cross sectional plane of the duct.
  • the wall of the distribution chamber is cylindrical, there are provided two ducts extending perpendicularly to said wall. Since the cross section of the distribution chamber is circular, said two ducts communicate with two diametrically opposite apertures provided in said wall.
  • FIG. 1 is a sectional view of a water projection device for a dish-washing machine according to the invention.
  • FIG. 2 is a partial plan view of this water projection device.
  • the device according to the invention comprises mainly a nozzle 1, a supporting member 2 and a guide 3.
  • the supporting member 2 is internally provided with a conical seat 4, by means of which it bears on a pipe 5, which is traversed by the high-pressure washing liquid.
  • the supporting member 2 is provided with a collar 7, which partially covers the supply pipe 5 and with which is connected a shoulder 8, which projects to the outside and is in contact with the inner face of the guide 3 and rolls along said face when the washing liquid is supplied under pressure.
  • This liquid passes through the supply pipe 5, arrives in the distribution chamber 9 and emerges partly through the ducts 10 of the nozzle 1-these ducts being disposed so that they impart a rotary and oscillatory movement to the deviceand partly through the ducts 18, the axes of which coincide, so that the jets are transformed into a liquid sheet.
  • the pressure energy of this sheet exerted on the dishes arranged directly above the device is lower than the force which would be exerted by the direct jets.
  • the wall 11 of the distribution chamber 9 has secured to it two tubes 12 and 13, one of the ends of which is closed by a plate 14. It is preferred for the plate 14 to be at an angle of about 30 to the cross sections of the tubes 12 and 13. The walls of the latter are provided with apertures 15. Two tubes 16 and 17 are welded to the peripheries of two openings 15. The axes of symmetry of the tubes 16 and 17 are at an angle of about to the axes of symmetry of the tubes 12 and 13.
  • a dish-washing machine spray head comprising a substantially cylindrical body provided with a distribution chamber, means forming a fluid inlet to said distribution chamber, said body having a first fluid outlet communicating with said chamber and arranged for imparting rotary and oscillatory movement to said body, said body having a pair of fluid outlets communicating with said chamber and having axes intersecting above the body for forming fluids flowing therethrough into a fluid sheet, and a tubular water outlet duct radiating outwardly from the wall of the distribution chamber.
  • a dish-washing machine as claimed in claim 1 wherein the free end of the tubular duct is at least partly closed, and wherein the wall of said duct has at least one aperture.
  • a dish-washing machine as claimed in claim 2 wherein an end of the duct is closed by a flat surface which is at an angle of about 60 to a cross sectional plane of said duct.
  • a dish-washing machine as claimed in claim 3 wherein a tube communicates with at least one of said apertures provided in the wall of said duct, and wherein a cross sectional plane of the tube is at an angle of about 80 with a cross sectional plane of the duct.
  • a dish-washing machine as claimed in claim 2 wherein the wall of the distribution chamber is cylindrical and wherein the two tubular ducts are arranged perpendicularly to said wall.
  • a dish-washing machine as claimed in claim 5 wherein a cross section of the distribution chamber is circular and wherein said two tubular ducts communicate 3 4 Y with two diametrically opposite openings provided in 3,348,775 10/1967 La Flame 239-227 said wall.
  • 3,357,644 12/1967 Penfield 239-231 References Cited UNITED STATES PATENTS 2,541,695 2/1951 Gangewere 239231 X 5 2,918,220 12/1959 Crow 239231 239231, 251 3,091,400 5/1963 Aubert 239251 X ALLEN N. KNOWLES, Primary Examiner US. Cl. X.R.

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  • Washing And Drying Of Tableware (AREA)

Description

July 29, 1969 u. BELAIEFF 3,458,136
DISH-WASHING MACHINES Filed March 7, 1967 2 Sheets-$heet 1 INVENTOR.
JAMES BELAIEFF AGENT July 29, 1969 Y J. BELAIEFF 3,458,136
DISH-WASHING MACHINES Filed March '7, 1967 I 2 Sheets-Sheet 2 FIG.2
INVENTOR.
JAMES BELAIEFF AGEN United States Patent 3,458,136 DISH-WASHING MACHINES James Belaietf, Geneva, Switzerland, assignor, by mesne assignments, to U.S. Philips Corporation, New York, N .Y., a corporation of Delaware Filed Mar. 7, 1967, Ser. No. 621,296 Claims priority, application France, Mar. 9, 1966,
Int. Cl. Bb 3 /06, 1/26, 3/16 US. Cl. 239-227 6 Claims ABSTRACT OF THE DISCLOSURE A dish-washing machine spray head having a cylindrical body arranged for rotary and oscillatory movement on which a pair of outwardly projecting tubular ducts are mounted. The head is provided with another pair of ducts having axes which intersect above the head to form a sheet of washing liquid when pressure is applied.
The present invention relates to a dish-washing machine having a water projecting device in the form of a substantially cylindrical body provided with a distribution chamber and an apertured head and arranged for rotary and oscillatory movement imparted to it by water pressure.
A water projecting device of this type is described in French patent specification 1,321,499.
This device has the disadvantage that since the water projection is performed solely from the center of the tub, some pieces to be washed, arranged at the corners or near the walls of the tub are beyond the range of the jets, so that they are not washed satisfactorily.
The present invention obviates this disadvantage and is characterized in that at least one water outlet duct is associated with the wall of the distribution chamber.
In an embodiment of the machine according to the invention the free end of the duct is at least partly closed, while the wall of this duct has at least one aperture. It another embodiment the sum of the areas of the apertures provided in the wall is smaller than the surface of the cross sectional area of said duct.
In another embodiment of the dish-washing machine according to the invention the free end of the duct is closed by a flat surface which is at an angle of about 60 to a cross sectional plane of the tube.
In still another embodiment of the invention a tube communicates with at least one of said apertures provided in the wall of said duct and that a cross sectional plane of the tube is at an angle of about 80 with a cross sectional plane of the duct.
In an advantageous embodiment of the dish-washing machine according to the invention, in which the wall of the distribution chamber is cylindrical, there are provided two ducts extending perpendicularly to said wall. Since the cross section of the distribution chamber is circular, said two ducts communicate with two diametrically opposite apertures provided in said wall.
The invention will now be described more fully with reference to the accompanying drawing.
FIG. 1 is a sectional view of a water projection device for a dish-washing machine according to the invention.
3,458,136 Patented July 29, 1969 ice FIG. 2 is a partial plan view of this water projection device.
The device according to the invention comprises mainly a nozzle 1, a supporting member 2 and a guide 3. The supporting member 2 is internally provided with a conical seat 4, by means of which it bears on a pipe 5, which is traversed by the high-pressure washing liquid. The supporting member 2 is provided with a collar 7, which partially covers the supply pipe 5 and with which is connected a shoulder 8, which projects to the outside and is in contact with the inner face of the guide 3 and rolls along said face when the washing liquid is supplied under pressure. This liquid passes through the supply pipe 5, arrives in the distribution chamber 9 and emerges partly through the ducts 10 of the nozzle 1-these ducts being disposed so that they impart a rotary and oscillatory movement to the deviceand partly through the ducts 18, the axes of which coincide, so that the jets are transformed into a liquid sheet. The pressure energy of this sheet exerted on the dishes arranged directly above the device is lower than the force which would be exerted by the direct jets.
According to the invention the wall 11 of the distribution chamber 9 has secured to it two tubes 12 and 13, one of the ends of which is closed by a plate 14. It is preferred for the plate 14 to be at an angle of about 30 to the cross sections of the tubes 12 and 13. The walls of the latter are provided with apertures 15. Two tubes 16 and 17 are welded to the peripheries of two openings 15. The axes of symmetry of the tubes 16 and 17 are at an angle of about to the axes of symmetry of the tubes 12 and 13.
What is claimed is:
1. A dish-washing machine spray head comprising a substantially cylindrical body provided with a distribution chamber, means forming a fluid inlet to said distribution chamber, said body having a first fluid outlet communicating with said chamber and arranged for imparting rotary and oscillatory movement to said body, said body having a pair of fluid outlets communicating with said chamber and having axes intersecting above the body for forming fluids flowing therethrough into a fluid sheet, and a tubular water outlet duct radiating outwardly from the wall of the distribution chamber.
2. A dish-washing machine as claimed in claim 1 wherein the free end of the tubular duct is at least partly closed, and wherein the wall of said duct has at least one aperture.
3. A dish-washing machine as claimed in claim 2 wherein an end of the duct is closed by a flat surface which is at an angle of about 60 to a cross sectional plane of said duct.
4. A dish-washing machine as claimed in claim 3 wherein a tube communicates with at least one of said apertures provided in the wall of said duct, and wherein a cross sectional plane of the tube is at an angle of about 80 with a cross sectional plane of the duct.
5. A dish-washing machine as claimed in claim 2 wherein the wall of the distribution chamber is cylindrical and wherein the two tubular ducts are arranged perpendicularly to said wall.
6. A dish-washing machine as claimed in claim 5 wherein a cross section of the distribution chamber is circular and wherein said two tubular ducts communicate 3 4 Y with two diametrically opposite openings provided in 3,348,775 10/1967 La Flame 239-227 said wall. 3,357,644 12/1967 Penfield 239-231 References Cited UNITED STATES PATENTS 2,541,695 2/1951 Gangewere 239231 X 5 2,918,220 12/1959 Crow 239231 239231, 251 3,091,400 5/1963 Aubert 239251 X ALLEN N. KNOWLES, Primary Examiner US. Cl. X.R.
US621296A 1966-03-09 1967-03-07 Dish-washing machines Expired - Lifetime US3458136A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR52690A FR1480186A (en) 1966-03-09 1966-03-09 Water projection device for dishwashing machines

Publications (1)

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US3458136A true US3458136A (en) 1969-07-29

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US (1) US3458136A (en)
CH (1) CH465164A (en)
DE (1) DE1628738A1 (en)
FR (1) FR1480186A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474328A (en) * 1982-09-29 1984-10-02 Virginia Hale Variable lift sprinkler unit
EP0469184A1 (en) * 1990-07-10 1992-02-05 WERY S.p.A. A rotational device for wash jets in dishwashers and dishwashers equipped with said device
US5108035A (en) * 1989-04-20 1992-04-28 Friedrichs Ingo R Fluid jetting device for cleaning surfaces
US5497798A (en) * 1994-11-14 1996-03-12 Insinger Machine Company Conveyor dishwasher
US5704549A (en) * 1996-07-12 1998-01-06 The Little Tikes Company Oscillating sprinkler
US5779160A (en) * 1996-08-13 1998-07-14 Cloud Company, Inc. Low-flow stator and method
US6082633A (en) * 1999-01-14 2000-07-04 The Little Tikes Company Interactive toy sprinkler
EP1232720A2 (en) * 2001-02-16 2002-08-21 AEG Hausgeräte GmbH Spraying device for a dishwasher

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3627813A1 (en) * 1986-08-16 1988-02-18 Licentia Gmbh Dishwasher with a spray arm
GB8711306D0 (en) * 1987-05-13 1987-06-17 Harben Systems Ltd Cleaning apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541695A (en) * 1945-06-05 1951-02-13 Babcock & Wilcox Co Spraying apparatus
US2918220A (en) * 1957-01-22 1959-12-22 Howard M Crow Fluid sprinkler
US3091400A (en) * 1960-08-22 1963-05-28 Frame Sa Dish-washing machine having a rotary wobble spraying apparatus driven by a moment of momentum
US3348775A (en) * 1965-10-22 1967-10-24 Gen Motors Corp Reaction jet spray arm for dishwashers having simultaneous rotation about perpendicular axis
US3357644A (en) * 1965-10-28 1967-12-12 Charles S Penfield Rotary sprinkler

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541695A (en) * 1945-06-05 1951-02-13 Babcock & Wilcox Co Spraying apparatus
US2918220A (en) * 1957-01-22 1959-12-22 Howard M Crow Fluid sprinkler
US3091400A (en) * 1960-08-22 1963-05-28 Frame Sa Dish-washing machine having a rotary wobble spraying apparatus driven by a moment of momentum
US3348775A (en) * 1965-10-22 1967-10-24 Gen Motors Corp Reaction jet spray arm for dishwashers having simultaneous rotation about perpendicular axis
US3357644A (en) * 1965-10-28 1967-12-12 Charles S Penfield Rotary sprinkler

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474328A (en) * 1982-09-29 1984-10-02 Virginia Hale Variable lift sprinkler unit
US5108035A (en) * 1989-04-20 1992-04-28 Friedrichs Ingo R Fluid jetting device for cleaning surfaces
EP0469184A1 (en) * 1990-07-10 1992-02-05 WERY S.p.A. A rotational device for wash jets in dishwashers and dishwashers equipped with said device
US5497798A (en) * 1994-11-14 1996-03-12 Insinger Machine Company Conveyor dishwasher
US5704549A (en) * 1996-07-12 1998-01-06 The Little Tikes Company Oscillating sprinkler
US5779160A (en) * 1996-08-13 1998-07-14 Cloud Company, Inc. Low-flow stator and method
US6082633A (en) * 1999-01-14 2000-07-04 The Little Tikes Company Interactive toy sprinkler
EP1232720A2 (en) * 2001-02-16 2002-08-21 AEG Hausgeräte GmbH Spraying device for a dishwasher
EP1232720A3 (en) * 2001-02-16 2004-01-14 AEG Hausgeräte GmbH Spraying device for a dishwasher

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Publication number Publication date
DE1628738A1 (en) 1971-02-18
FR1480186A (en) 1967-05-12
CH465164A (en) 1968-11-15

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