EP0553122A4 - Controlled flow dispensing unit - Google Patents

Controlled flow dispensing unit

Info

Publication number
EP0553122A4
EP0553122A4 EP19910917136 EP91917136A EP0553122A4 EP 0553122 A4 EP0553122 A4 EP 0553122A4 EP 19910917136 EP19910917136 EP 19910917136 EP 91917136 A EP91917136 A EP 91917136A EP 0553122 A4 EP0553122 A4 EP 0553122A4
Authority
EP
European Patent Office
Prior art keywords
chamber
water
baffle
wall
water spout
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.)
Granted
Application number
EP19910917136
Other versions
EP0553122B1 (en
EP0553122A1 (en
Inventor
Thomas G. Hart
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.)
Trane US Inc
Original Assignee
American Standard Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by American Standard Inc filed Critical American Standard Inc
Publication of EP0553122A1 publication Critical patent/EP0553122A1/en
Publication of EP0553122A4 publication Critical patent/EP0553122A4/en
Application granted granted Critical
Publication of EP0553122B1 publication Critical patent/EP0553122B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02Plumbing installations for fresh water
    • E03C1/08Jet regulators or jet guides, e.g. anti-splash devices

Definitions

  • the present invention is directed to a fluid dispensing unit, and more particularly, to a unit for dispensing a fluid in a sheet-like flow.
  • a common concern among engineers is to design a dispensing unit which is able to receive a turbulent ingress of fluid from a high pressure source and bring that turbulent flow under control in order to obtain a
  • a dispensing unit should therefore be designed to provide the necessary fluid control for delivering the fluid from a fluid inlet to the point of egress.
  • the present invention comprises a water spout for a sink, bathtub or the like, for providing a sheet-like flow of water.
  • the spout has an inlet with a central longitudinal axis and an inlet cover disposed within the spout for directing inflowing water away from the central longitudinal axis into a first chamber.
  • the top of the first chamber is defined, at least in part, by a substantially horizontal baffle which preferably extends from the front of the spout to a point proximate the rear wall of the spout leaving a gap between the rearward edge of the baffle and the rear wall of the spout.
  • a second chamber preferably having a volume greater than the volume of the first chamber, is disposed above the substantially horizontal baffle.
  • the water exits the spout through a mouth which is in fluidic communication with the second chamber.
  • the mouth is most preferably in fluidic communication with a forward position of the second chamber at a point higher than the rearward edge of the baffle. In this manner, water must, at least initially, flow upwardly in the second chamber before exiting the mouth of the spout.
  • Figure 1 is a perspective view of one embodiment of the present invention mounted on the side of a tub which is illustrated in phantom.
  • Figure 2 is a bottom view of the spout illustrated in Figure 1.
  • Figure 3 is a rear view of the spout illustrated in Figure 1.
  • Figure 4 is a cross-sectional view taken along lines 4-4 of the Figure 3.
  • Figure 5 is a front view of an alternative embodiment of the present invention.
  • Figure 6 is a top view taken along line 6-6 of Figure 5.
  • Figure 7 is a cross-sectional side view taken along line 7-7 of Figure 5.
  • the present invention comprises a water spout 10 for creating a sheet-like water flow.
  • the present invention is particularly adapted to be mounted on the side wall of a bathtub, sink or the like. While the preferred embodiment of the present invention has an- elongated, arcuate mouth positioned at the forward end 12 of the spout, as shown in Figure 2, the outside contiguration of the spout of the present invention is not limited to the configurations illustrated in the figures.
  • the rear wall of spout 10 is preferably provided with mounting holes 31 and 32 to allow easy mounting of spout 10 on a bathroom fixture or the like.
  • inlet 40 is centrally positioned on the rear wall 20.
  • Inlet 40 is preferably provided with an O- ring 42 for facilitating a water type connection between inlet 40 and a water pipe (not shown) .
  • a pair of side walls 23,24 are disposed to the sides of inlet 40. In the illustrated preferred embodiment of the present invention, side walls 23,24 prevent water from flowing into the area adjacent mounting holes 31,32 to minimize the risk of leaks.
  • spout 10 is formed of two separately molded elements, namely rear wall 20 and forward spout cover 50.
  • Back wall 20 and spout cover 50 may be formed of any suitable material, for example, plastic.
  • Spout cover 50 is joined with rear wall 20 in a fluid type fashion such as by known water-tight adhesives.
  • rear wall 20 is molded integrally with inlet cover 25.
  • Spout cover 50 comprises a forward wall 60, mouth 70, upper wall 80 and an interior baffle 90.
  • Spout cover 50 is attached to rear wall 20 such that baffle 90 is positioned substantially horizontally and at a location higher than fluid inlet 40.
  • a first chamber 65 is defined at its upper limit by the bottom surface of baffle 90, and the portions of forward wall 60 and rear wall 20 disposed below the bottom surface of baffle 90.
  • baffle 90 forms, a gap 95 with the rear wall 20. Gap 95 is the only place where water flows from first chamber 65 into second chamber 85.
  • the volume of second chamber 85 is greater than the volume of first chamber 65.
  • the ratio of the volume of first chamber 65 to second chamber 85 is preferably about 1:1.25 - 1:5, most preferably about 1:2. In this manner, the water spends a greater time in second chamber 85 away from the turbulent effects of inlet 40.
  • Gap 95 is preferably about 1/16 to 3/4 inch and most preferably about 1/8 inch.
  • the illustrated preferred embodiment of the present invention is also advantageously provided with an incline disposed between mouth 70 and rear edge 91 of baffle 90, in second chamber 85.
  • water is not permitted to simply pour over rear edge 91 and out mouth 70 but is forced to spend at least some time in second chamber 85.
  • mouth 70 By positioning mouth 70 above rearward edge 91, water must ' remain within upper chamber 85 for at least some time facilitating the decrease in any turbulence occurring in the second chamber 85.
  • FIG. 5-7 An alternative embodiment of the back wall 120 and inlet cover 125 are illustrated in Figures 5-7.
  • the inlet cover 125 is disposed on an angle relative to back wall 120.
  • inflowing water is not only directed laterally toward the side walls of the first chamber but also somewhat vertically.
  • the turbulence in the first chamber may be minimized by directing the inflowing water either upwardly or downwardly with the inlet cover, depending upon the configuration of the first chamber.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Domestic Plumbing Installations (AREA)
  • Flow Control (AREA)
  • Massaging Devices (AREA)
  • Stored Programmes (AREA)
  • Sink And Installation For Waste Water (AREA)

Abstract

The present invention comprises a water spout for a sink, bathtub or the like, for providing a sheet-like flow of water. The spout has an inlet (40) with a central longitudinal axis and an inlet cover (25) disposed with the spout for directing inflowing water away from the central longitudinal axis into a first chamber (65). The top of the first chamber is defined, at least in part, by a substantially horizontal baffle (90) which preferably extends from the front of the spout to a point proximate the rear wall of the spout leaving a gap between the rearward edge of the baffle and the rear wall of the spout. A second chamber (85), preferably having a volume greater than the volume of the first chamber, is disposed above the substantially horizontal baffle. The water exits the spout through a mouth located at a high position in the second chamber.

Description

1 CONTROLLED FLOW DISPENSING UNIT
The present invention is directed to a fluid dispensing unit, and more particularly, to a unit for dispensing a fluid in a sheet-like flow.
- I 5 Background of the Invention
Man has attempted to control the flow of fluids from dispensing units for many centuries. From the fountains in ancient Greece to the wide variety of industrial fluid applications which require precise fluid
10 flow, engineers have worked for greater fluid control. To this end, scientists have realized that careful attention must be given, not only to the actual point of egress of the fluid from the dispensing unit, but also the flow of the fluid within the unit upstream of that point of
15 egress.
' A common concern among engineers is to design a dispensing unit which is able to receive a turbulent ingress of fluid from a high pressure source and bring that turbulent flow under control in order to obtain a
20 desired fluid flow at the point of egress from the dispensing unit.
A dispensing unit should therefore be designed to provide the necessary fluid control for delivering the fluid from a fluid inlet to the point of egress.
25 Previously known fluid dispensing units designed to provide a sheet-like flow of fluid have appreciated the need for controlling the flow of fluid upstream of the point of fluid egress from the unit. Such devices have been provided with chambers proximate the point of fluid
30 ingress into the dispensing unit. While the inflowing water is in a chamber adjacent the inlet to the unit, this fluid is subject to direct contact with other fluid flowing into this chamber. Therefore, the fluid in the unit is less controllable and more likely to maintain a
35 turbulent flow pattern than if it was transferred to another chamber substantially separated from the inlet.
It would, therefore, be desirable to provide a fluid dispensing unit for dispensing a sheet-like fluid flow wherein the fluid spends a substantial amount of time in an area away from the direct influence of the turbulent flow of the inlet.
Summary of the Invention The present invention comprises a water spout for a sink, bathtub or the like, for providing a sheet-like flow of water. The spout has an inlet with a central longitudinal axis and an inlet cover disposed within the spout for directing inflowing water away from the central longitudinal axis into a first chamber. The top of the first chamber is defined, at least in part, by a substantially horizontal baffle which preferably extends from the front of the spout to a point proximate the rear wall of the spout leaving a gap between the rearward edge of the baffle and the rear wall of the spout. A second chamber, preferably having a volume greater than the volume of the first chamber, is disposed above the substantially horizontal baffle. The water exits the spout through a mouth which is in fluidic communication with the second chamber. The mouth is most preferably in fluidic communication with a forward position of the second chamber at a point higher than the rearward edge of the baffle. In this manner, water must, at least initially, flow upwardly in the second chamber before exiting the mouth of the spout. Brief Description of the Drawings
Figure 1 is a perspective view of one embodiment of the present invention mounted on the side of a tub which is illustrated in phantom.
Figure 2 is a bottom view of the spout illustrated in Figure 1.
Figure 3 is a rear view of the spout illustrated in Figure 1.
Figure 4 is a cross-sectional view taken along lines 4-4 of the Figure 3. Figure 5 is a front view of an alternative embodiment of the present invention.
Figure 6 is a top view taken along line 6-6 of Figure 5. Figure 7 is a cross-sectional side view taken along line 7-7 of Figure 5.
Detailed Description of the Drawings As illustrated in Figure 1, the present invention comprises a water spout 10 for creating a sheet-like water flow. The present invention is particularly adapted to be mounted on the side wall of a bathtub, sink or the like. While the preferred embodiment of the present invention has an- elongated, arcuate mouth positioned at the forward end 12 of the spout, as shown in Figure 2, the outside contiguration of the spout of the present invention is not limited to the configurations illustrated in the figures. As illustrated in Figure 3, the rear wall of spout 10 is preferably provided with mounting holes 31 and 32 to allow easy mounting of spout 10 on a bathroom fixture or the like. According to the illustrated embodiment of the present invention, inlet 40 is centrally positioned on the rear wall 20. Inlet 40 is preferably provided with an O- ring 42 for facilitating a water type connection between inlet 40 and a water pipe (not shown) . A pair of side walls 23,24 are disposed to the sides of inlet 40. In the illustrated preferred embodiment of the present invention, side walls 23,24 prevent water from flowing into the area adjacent mounting holes 31,32 to minimize the risk of leaks.
The operative, fluid directing elements of spout 10 are best illustrated in Figure 4 which illustrates back wall 20, top wall 50 and front wall 60. According to this preferred embodiment of the present invention, spout 10 is formed of two separately molded elements, namely rear wall 20 and forward spout cover 50. Back wall 20 and spout cover 50 may be formed of any suitable material, for example, plastic. Spout cover 50 is joined with rear wall 20 in a fluid type fashion such as by known water-tight adhesives.
In the illustrated embodiment, rear wall 20 is molded integrally with inlet cover 25. Spout cover 50 comprises a forward wall 60, mouth 70, upper wall 80 and an interior baffle 90. Spout cover 50 is attached to rear wall 20 such that baffle 90 is positioned substantially horizontally and at a location higher than fluid inlet 40. A first chamber 65 is defined at its upper limit by the bottom surface of baffle 90, and the portions of forward wall 60 and rear wall 20 disposed below the bottom surface of baffle 90. When water enters inlet 40 it would normally flow generally in a direction along longitudinal axis L-L until striking inlet cover 25. Upon impacting inlet cover 25, the inflowing water is diverted laterally toward side walls 23, 24 and into first chamber 65. This lateral diversion of inflowing water enhances the even distribution of water in first chamber 65.
As illustrated in Figure 4, rearward edge 91 of baffle 90 forms, a gap 95 with the rear wall 20. Gap 95 is the only place where water flows from first chamber 65 into second chamber 85. According to this preferred embodiment of the present invention, the volume of second chamber 85 is greater than the volume of first chamber 65. The ratio of the volume of first chamber 65 to second chamber 85 is preferably about 1:1.25 - 1:5, most preferably about 1:2. In this manner, the water spends a greater time in second chamber 85 away from the turbulent effects of inlet 40.
In controlling the flow of water from first chamber 65 to second chamber 85 due consideration is given to the size of gap 95. Gap 95 is preferably about 1/16 to 3/4 inch and most preferably about 1/8 inch.
The illustrated preferred embodiment of the present invention is also advantageously provided with an incline disposed between mouth 70 and rear edge 91 of baffle 90, in second chamber 85. With the illustrated design, water is not permitted to simply pour over rear edge 91 and out mouth 70 but is forced to spend at least some time in second chamber 85. By positioning mouth 70 above rearward edge 91, water must' remain within upper chamber 85 for at least some time facilitating the decrease in any turbulence occurring in the second chamber 85.
An alternative embodiment of the back wall 120 and inlet cover 125 are illustrated in Figures 5-7. According to this embodiment of the present invention, the inlet cover 125 is disposed on an angle relative to back wall 120. According to this embodiment of the present invention, inflowing water is not only directed laterally toward the side walls of the first chamber but also somewhat vertically. Those skilled in the art will appreciate that the turbulence in the first chamber may be minimized by directing the inflowing water either upwardly or downwardly with the inlet cover, depending upon the configuration of the first chamber.

Claims

WHAT IS CLAIMED IS:
1. A water spout for creating a sheet-like water flow comprising: a rear wall, and a spout cover comprising a top wall and a forward wall; a baffle having a rear edge, said baffle extending substantially horizontally from said frnnt wall to a position proximate said back wall thereby forming a gap between said back wall and said rear edge; a first fluid chamber defined at least in part by said rear wall and a bottom side of said baffle; a second chamber defined at least in part by said rear wall and a top side of said baffle; an inlet having an opening in said first chamber and a central longitudinal axis; an inlet cover positioned proximate said inlet for diverting inflowing water away from said longitudinal axis; and an outlet for directing water from said second chamber, said outlet disposed at a position higher than said rear edge.
2. A water spout according to Claim 1 wherein the ratio of the volume of said first chamber to the volume of said second chamber is about 1:1.25 - 1:5.
3. A water spout according to Claim 2 wherein the ratio of the volume of said first chamber to the volume of said second chamber is about 1:2.
4. A water spout according to Claim 1 wherein said gap is about 1/16 - 3/4 inches.
5. A water spout according to Claim 1 wherein said gap is about 1/8 inch.
6. A water spout according to Claim 2 wherein said second chamber comprises a surface which slopes upwardly in the direction of water flow from said gap to said outlet.
7. A water spout according to Claim 1 wherein said inlet cover is integrally molded with said rear wall.
8. A water spout according to Claim 1 wherein said baffle in integrally molded with said spout cover.
9. A water spout according to Claim 1 comprising a plastic.
10. A water spout for creating a sheet-like water flow comprising: a rear wall, and a spout cover comprising a top wall and a forward wall; a baffle having a rear edge, said baffle extending substantially horizontally from said front wall to a position proximate said back wall thereby forming a gap between said back wall and said rear edge; a first fluid chamber defined at least in part by said rear wall and a bottom side of said baffle; a second chamber defined at least in part by said rear wall and a top side of said baffle; an inlet having an opening in said first chamber and a central longitudinal axis; an inlet cover positioned proximate said inlet for diverting inflowing water away from said longitudinal axis; and an outlet for directing water from said second chamber, said outlet disposed at a position higher than said rear edge.
11. A water spout according to Claim 1 wherein the ratio of the volume of said first chamber to the volume of said second chamber is about 1:1.25 - 1:5. 12. A water spout according to Claim 2 wherein the ratio of the volume of said first chamber to the volume of said second chamber is about 1:2.
13. A water spout according to Claim 1 wherein said gap is about 1/16 to 3/4 inches.
14. A water spout according to Claim 1 wherein said gap is about 1/8 inch.
15. A water spout according to Claim 2 wherein said second chamber comprises a surface which slopes upwardly in the direction of water flow from said gap to said outlet.
16. A water spout according to Claim 1 wherein said inlet cover is integrally molded with said rear wall.
17. A water spout according to Claim 1 wherein said baffle in integrally molded with said spout cover.
18. A water spout according to Claim 1 comprising a plastic.
EP91917136A 1990-10-16 1991-08-15 Controlled flow dispensing unit Expired - Lifetime EP0553122B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US59890590A 1990-10-16 1990-10-16
US598905 1990-10-16
PCT/US1991/005813 WO1992006788A1 (en) 1990-10-16 1991-08-15 Controlled flow dispensing unit

Publications (3)

Publication Number Publication Date
EP0553122A1 EP0553122A1 (en) 1993-08-04
EP0553122A4 true EP0553122A4 (en) 1993-11-18
EP0553122B1 EP0553122B1 (en) 1997-03-05

Family

ID=24397421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91917136A Expired - Lifetime EP0553122B1 (en) 1990-10-16 1991-08-15 Controlled flow dispensing unit

Country Status (7)

Country Link
EP (1) EP0553122B1 (en)
AT (1) ATE149384T1 (en)
AU (1) AU8547491A (en)
DE (1) DE69125019T2 (en)
ES (1) ES2098371T3 (en)
GR (1) GR3023246T3 (en)
WO (1) WO1992006788A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5249744A (en) * 1992-08-03 1993-10-05 Douglas Ruthenberg Apparatus for creating waterfall for swimming pools
JPH06277572A (en) * 1992-08-12 1994-10-04 Abraham Y Schultz Mixing and weighing distribution spray device
US5517833A (en) * 1994-08-23 1996-05-21 E. L. Mustee & Sons, Inc. Washing machine water discharge handling system
DE10135554B4 (en) * 2001-07-20 2006-11-23 Hansa Metallwerke Ag Schwall facility
DE10311806B4 (en) * 2003-03-12 2012-10-18 Hansgrohe Ag dousing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2333578A1 (en) * 1975-12-05 1977-07-01 Grohe Kg Hans SHOWER WATER PROJECTION DEVICE
FR2350144A1 (en) * 1976-05-03 1977-12-02 Dietz Armaturen Gmbh LIQUID JET PRODUCTION APPARATUS
DE2641802A1 (en) * 1976-09-17 1978-03-23 Bernt Prof Dr Spiegel Shower head for domestic shower - has overflow edge with inclined surface leading from flow smoothing chamber to form low-speed water curtain
US4886210A (en) * 1987-01-13 1989-12-12 Kohler Co. Sheet flow spout

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US651162A (en) * 1899-11-24 1900-06-05 Robert Dietrich Spraying device for use in manufacturing paper.
US1398941A (en) * 1920-07-24 1921-11-29 Gable Benjamin Franklin Bath combination and nozzle
US3632049A (en) * 1969-12-16 1972-01-04 Westinghouse Electric Corp Water delivery arrangement for automatic ice maker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2333578A1 (en) * 1975-12-05 1977-07-01 Grohe Kg Hans SHOWER WATER PROJECTION DEVICE
FR2350144A1 (en) * 1976-05-03 1977-12-02 Dietz Armaturen Gmbh LIQUID JET PRODUCTION APPARATUS
DE2641802A1 (en) * 1976-09-17 1978-03-23 Bernt Prof Dr Spiegel Shower head for domestic shower - has overflow edge with inclined surface leading from flow smoothing chamber to form low-speed water curtain
US4886210A (en) * 1987-01-13 1989-12-12 Kohler Co. Sheet flow spout

Also Published As

Publication number Publication date
EP0553122B1 (en) 1997-03-05
GR3023246T3 (en) 1997-07-30
AU8547491A (en) 1992-05-20
EP0553122A1 (en) 1993-08-04
DE69125019D1 (en) 1997-04-10
DE69125019T2 (en) 1997-07-10
ATE149384T1 (en) 1997-03-15
WO1992006788A1 (en) 1992-04-30
ES2098371T3 (en) 1997-05-01

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