EP0168823B1 - Hydromassage nozzle - Google Patents
Hydromassage nozzle Download PDFInfo
- Publication number
- EP0168823B1 EP0168823B1 EP85108947A EP85108947A EP0168823B1 EP 0168823 B1 EP0168823 B1 EP 0168823B1 EP 85108947 A EP85108947 A EP 85108947A EP 85108947 A EP85108947 A EP 85108947A EP 0168823 B1 EP0168823 B1 EP 0168823B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- duct
- under pressure
- central duct
- water under
- air suction
- 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
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H33/00—Bathing devices for special therapeutic or hygienic purposes
- A61H33/02—Bathing devices for use with gas-containing liquid, or liquid in which gas is led or generated, e.g. carbon dioxide baths
- A61H33/027—Gas-water mixing nozzles therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H33/00—Bathing devices for special therapeutic or hygienic purposes
- A61H33/60—Components specifically designed for the therapeutic baths of groups A61H33/00
- A61H33/601—Inlet to the bath
- A61H33/6021—Nozzles
- A61H33/6063—Specifically adapted for fitting in bathtub walls
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H33/00—Bathing devices for special therapeutic or hygienic purposes
- A61H2033/0008—Arrangement for cleaning the installation before or after use
- A61H2033/0033—Arrangement for cleaning the installation before or after use by draining-off pumps, nozzles, waterlines by gravity
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H33/00—Bathing devices for special therapeutic or hygienic purposes
- A61H33/02—Bathing devices for use with gas-containing liquid, or liquid in which gas is led or generated, e.g. carbon dioxide baths
- A61H2033/023—Bathing devices for use with gas-containing liquid, or liquid in which gas is led or generated, e.g. carbon dioxide baths with means in the air supply lines to prevent back-feed of water, e.g. anti-backflow valves, draining devices
Definitions
- the present invention relates to an improved hydromassage nozzle. It is known that hydromassage consists of striking the user's body immersed in a tub or pool with a stream of water under pressure mixed with air delivered by one or more nozzles mounted in the walls of the tub or pool.
- the water while passing through a section shaped like a venturi tube, causes negative pressure which in turn causes suction of air which mixes intimately with the water.
- the nozzles of known type are also equipped with systems which make them adjustable although within a rather limited angle, in such a manner as to direct the stream with the desired inclination onto the user's body.
- Such hydromassage nozzle is known from US-A-3 471 091.
- a problem connected with the nozzles of known type is the problem of regulation, specifically of shutting off delivery of the stream from one nozzle, leaving in operation the other nozzles connected in the same water or air system. Indeed, when the water supply to a nozzle is completely closed there is often suction of water from the interior of the tub through the air suction duct of the nozzle in question.
- GB-A-2 112 670 discloses a jet nozzle assembly comprising a check valve, which also generates the venturi effect.
- valve While the valve is generally able to prevent water back flow, it is not always operating relyably since its closing effect relies on the pressure of water in a mixing chamber donwnstream at the valve, said valve having a complicated structure which also tends to be clogged up by dirt etc.. This problem is solved by a nozzle design as indicated in claim 1.
- nozzles of known type Another problem presented by nozzles of known type is that of easy disassemly for access to the internal parts for cleaning, maintenance and/or repair of failures.
- said casing for housing said adjustable body and the flange which secures the nozzle to the wall of the tub or pool has a flared portion inclined toward the interior of the tub for unaided drainage of said nozzle.
- the nozzle according to the present invention comprises an adjustable body 10 which is seated in a casing 11 on which are provided in the same piece the unions 12 and 13, respectively with the duct for water under pressure and with the air suction duct.
- the casing 11 is fixed to a wall 14 of the tub or pool (not shown) by means of a ring-nut 15 which engages by screwing an internal threaded part of the casing 11.
- an annular part 16 which engages by screwing a threaded portion 17 of said casing 11.
- Pads 18, Preferably of rubber or some other flexible material, are integral with the annular part 16 for the purpose set forth below.
- a nozzle cover 20 is in turn fixed to the annular part 16 with the screws 21 to mask aesthetically the flange 15 which fixes the nozzle.
- support pads 22 for the adjustable body 10 made of rubber or some other flexible material for the purpose set forth below.
- the adjustable body 10 illustrated in detail in Fig. 3 comprises a duct 23 shaped with a constricted section 24 like a venturi tube.
- a sleeve 25 which forms a seat 26 in which is housed by threading a base 27 which bears as part of the same piece a duct 28 for air suction.
- the duct 28 extends in the position illustrated in Figs. 1 and 3 to close the constricted section 24 of the venturi tube, the watertightness of said closure being aided by an annular gasket 29.
- the duct 28 communicates with the air suction duct 13 through a hole 30 closed by a valve 31 which opens when there is negative pressure in the constricted section 24 of the venturi tube, shutting off air suction when there is no water under pressure passing through the venturi tube, i.e. in the conditions of Fig. 1.
- Fig. 1 illustrates a valve 31 of the double-disk type while Fig. 3 illustrates a disk-type check valve with compression spring. It is clear that these arrangements are only illustrative and not limitative.
- apertures or windows 32 through which the interior of said base can communicate with the duct 12 which supplies water under pressure.
- both the base 27 and the sleeve 25 have rounded outer surfaces so that they can operate together with the pads 18 and 22, adjusting themselves with respect to the axis of the venturi tube with a maximum inclination of 15° and over the entire arc of 360°.
- Fig. 1 also shows that the internal surface 19 of the casing 11 is inclined toward the outlet of the nozzle so that water cannot stagnate therin when the nozzle is not delivering the stream of water mixed with air.
- the flange 15 also has a truncated-cone or tapered inner surface such as to comprise the continuation of the surface 19 and offer no obstructions to natural discharge or drainage of water.
- Figs. 4 and 5 illustrate an auxiliary part 33 having a base 34 which couples with the outlet of the duct 23 and a tapered tip 35 with an outlet slot 36 which creates a fan-shaped stream which can cover a broader area to be subjected to hydromassage.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Nozzles (AREA)
- Percussion Or Vibration Massage (AREA)
- Jet Pumps And Other Pumps (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Massaging Devices (AREA)
Abstract
Description
- The present invention relates to an improved hydromassage nozzle. It is known that hydromassage consists of striking the user's body immersed in a tub or pool with a stream of water under pressure mixed with air delivered by one or more nozzles mounted in the walls of the tub or pool.
- Specifically, the water, while passing through a section shaped like a venturi tube, causes negative pressure which in turn causes suction of air which mixes intimately with the water.
- The nozzles of known type are also equipped with systems which make them adjustable although within a rather limited angle, in such a manner as to direct the stream with the desired inclination onto the user's body. Such hydromassage nozzle is known from US-A-3 471 091.
- A problem connected with the nozzles of known type is the problem of regulation, specifically of shutting off delivery of the stream from one nozzle, leaving in operation the other nozzles connected in the same water or air system. Indeed, when the water supply to a nozzle is completely closed there is often suction of water from the interior of the tub through the air suction duct of the nozzle in question.
- GB-A-2 112 670 discloses a jet nozzle assembly comprising a check valve, which also generates the venturi effect.
- While the valve is generally able to prevent water back flow, it is not always operating relyably since its closing effect relies on the pressure of water in a mixing chamber donwnstream at the valve, said valve having a complicated structure which also tends to be clogged up by dirt etc.. This problem is solved by a nozzle design as indicated in claim 1.
- Another problem connected with known nozzles is stagnation of a certain quantity of water in the body of the nozzle during periods of inactivity, and this involves problems which need no further comment.
- Another problem presented by nozzles of known type is that of easy disassemly for access to the internal parts for cleaning, maintenance and/or repair of failures.
- It is another object of the present invention to resolve the problems and drawbacks mentioned briefly above, solutions being disclosed in the dependent claims.
- According to another important aspect of the present invention said casing for housing said adjustable body and the flange which secures the nozzle to the wall of the tub or pool has a flared portion inclined toward the interior of the tub for unaided drainage of said nozzle.
- These and other aspects and advantages of the present invention will appear more clearly from the detailed description given below with reference to the annexed drawings wherein:-
- Fig. 1 is a diametrical cross-section of the nozzle according to the present invention;
- Fig. 2 is a view similar to that of Fig. 1 with the components of the nozzle in a different operative position;
- Fig. 3 is a cross-section which shows the adjustable body of the nozzle and Figs. 4 and 5 are respectively a plan view from above and a sectional view along plane V-V of Fig. 4 of an optional component of the nozzle of Fig. 3.
- It appears opportune to state that the nozzle illustrated in Figs. 1 and 2 provides all the features peculiar to the present invention.
- Referring therefore to Figs. 1, 2 and 3, the nozzle according to the present invention comprises an
adjustable body 10 which is seated in acasing 11 on which are provided in the same piece theunions - The
casing 11 is fixed to awall 14 of the tub or pool (not shown) by means of a ring-nut 15 which engages by screwing an internal threaded part of thecasing 11. - To secure the
adjustable body 10 in an integral manner to thecasing 11, there is provided anannular part 16 which engages by screwing a threadedportion 17 of saidcasing 11. -
Pads 18, Preferably of rubber or some other flexible material, are integral with theannular part 16 for the purpose set forth below. - A
nozzle cover 20 is in turn fixed to theannular part 16 with thescrews 21 to mask aesthetically theflange 15 which fixes the nozzle. - On the bottom of the
casing 11 at theair suction duct 13 there are providedsupport pads 22 for theadjustable body 10 made of rubber or some other flexible material for the purpose set forth below. - The
adjustable body 10 illustrated in detail in Fig. 3 comprises aduct 23 shaped with aconstricted section 24 like a venturi tube. On the outside of theduct 23 is mounted asleeve 25 which forms aseat 26 in which is housed by threading abase 27 which bears as part of the same piece aduct 28 for air suction. Theduct 28 extends in the position illustrated in Figs. 1 and 3 to close theconstricted section 24 of the venturi tube, the watertightness of said closure being aided by anannular gasket 29. At the other end theduct 28 communicates with theair suction duct 13 through ahole 30 closed by avalve 31 which opens when there is negative pressure in theconstricted section 24 of the venturi tube, shutting off air suction when there is no water under pressure passing through the venturi tube, i.e. in the conditions of Fig. 1. - Fig. 1 illustrates a
valve 31 of the double-disk type while Fig. 3 illustrates a disk-type check valve with compression spring. It is clear that these arrangements are only illustrative and not limitative. - In the
base 27 are also made apertures orwindows 32 through which the interior of said base can communicate with theduct 12 which supplies water under pressure. - As appears clearly in the figures, both the
base 27 and thesleeve 25 have rounded outer surfaces so that they can operate together with thepads - Fig. 1 also shows that the
internal surface 19 of thecasing 11 is inclined toward the outlet of the nozzle so that water cannot stagnate therin when the nozzle is not delivering the stream of water mixed with air. - The
flange 15 also has a truncated-cone or tapered inner surface such as to comprise the continuation of thesurface 19 and offer no obstructions to natural discharge or drainage of water. - As can be seen in Fig. 2 moving of the
duct 23 along its axis toward the mouth of the nozzle frees an annular passage between the constricted section and theduct 28 so that the nozzle delivers the stream of water under pressure. The moving is adjustable and is secured by screwing and unscrewing theduct 23 with respect to thesleeve 25. - Figs. 4 and 5 illustrate an
auxiliary part 33 having abase 34 which couples with the outlet of theduct 23 and atapered tip 35 with anoutlet slot 36 which creates a fan-shaped stream which can cover a broader area to be subjected to hydromassage.
Claims (5)
- Hydromassage nozzle of the type comprising an adjustable body (10) with a central duct (23) shaped like a venturi tube, on the axis of which is arranged an air suction passage (28'), water under pressure entering transversely said central duct (23) upstream of the inlet of said central duct (23) so that passage of water under pressure through the constriction (24) of the central duct (23) causes suction of air which mixes intimately with said water under pressure in said central duct (23), the adjustable body (10) being housed in an adjustable manner around its own axis in a substantially cylindrical casing (11) open at both ends and fixed to the wall of the tub or pool in such way that the outlet of the central duct (23) is seated at the end turned toward the interior of the tub, while the other end puts said air suction passage (28') in communication with an air suction duct (13), there being provided in said cylindrical casing (11) at least one aperture for connecting a duct (12) supplying water under pressure, said air suction passage (28') consisting of an air duct (28) which penetrates the constricted section (24) of said central duct (23), said constricted section (24) being movable with respect to said air duct (28) thus forming a ring shaped passage which in its open position allows passage of water through said constricted section (24), characterized in that a control valve (31) is provided upstream at the end of said air suction duct (28), said valve (31) being opened by the negative pressure generated in the constricted section (24) of the venturi tube formed by the central duct (23) when water under pressure passes therethrough.
- Hydromassage nozzle according to claim 1, characterized in that said casing (11) housing said adjustable body (10) and the flange securing the nozzle to the wall of the tub or pool have a conical portion (19) inclined toward the interior of the tub for selfdrainage of the nozzle.
- Hydromassage nozzle according to claims 1 or 2, characterized in that the central duct (23) is screwed in a sleeve (25) in an adjustable manner, the sleeve (25) forming a seat for a base (27) which bears said air suction duct (28) and which has openings (32) for the inlet of water under pressure, the moving of said venturi tube duct being achieved by screwing and unscrewing said duct (23).
- Hydromassage nozzle according to one of claims 1, 2 and 3, characterized in that it comprises an auxiliary part (33) connectable to the end of said central duct (23) and having an outlet slot for delivery of a fan-shaped stream.
- Hydromassage nozzle according to one of claims 1 to 4 characterized in that the control valve (31) is a spring loaded control valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85108947T ATE70967T1 (en) | 1984-07-17 | 1985-07-17 | HYDROMASSAGE NOZZLE. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2258984U | 1984-07-17 | ||
IT8422589U IT8422589V0 (en) | 1984-07-17 | 1984-07-17 | PERFECTED JET FOR WHIRLPOOL. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0168823A2 EP0168823A2 (en) | 1986-01-22 |
EP0168823A3 EP0168823A3 (en) | 1987-05-27 |
EP0168823B1 true EP0168823B1 (en) | 1992-01-02 |
Family
ID=11198173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85108947A Expired - Lifetime EP0168823B1 (en) | 1984-07-17 | 1985-07-17 | Hydromassage nozzle |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0168823B1 (en) |
AT (1) | ATE70967T1 (en) |
DE (2) | DE8520682U1 (en) |
ES (1) | ES288124Y (en) |
FR (1) | FR2567752B3 (en) |
GR (1) | GR851766B (en) |
IT (1) | IT8422589V0 (en) |
NO (1) | NO852843L (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1200742B (en) * | 1985-09-17 | 1989-01-27 | Teuco Guzzini Srl | BATHTUB WITH PERFECTED HYDROMASSAGE SYSTEM |
DE3630806A1 (en) * | 1986-09-10 | 1988-03-17 | Schuessler Guenter | Nozzle combination for generating air bubbles in a water basin |
DE3745018C2 (en) * | 1987-05-06 | 1995-11-23 | Guenter Schuessler | Air-water bubble bath tub |
IT1222869B (en) * | 1987-10-12 | 1990-09-12 | Jacuzzi Europ | IMPROVED JET FOR WHIRLPOOL WITH AUTOMATIC CLOSURE |
DE3742432C2 (en) * | 1987-12-15 | 2001-10-04 | Hoesch Metall & Kunststoffwerk | Swirl nozzle tub with drain fitting |
DE8812993U1 (en) * | 1988-10-15 | 1988-12-08 | Hoesch Metall + Kunststoffwerk GmbH & Co, 5166 Kreuzau | Whirlpool jet |
IT217548Z2 (en) * | 1988-12-07 | 1991-12-19 | Jacuzzi Europ | OUTLET NOZZLE FOR WHIRLPOOL SYSTEM |
DE3903477A1 (en) * | 1989-02-06 | 1990-08-09 | Viegener Ii Fa Franz | Mixing housing with rotatably mounted inlet nozzle for whirlpool tubs |
ES2068277T3 (en) * | 1989-05-03 | 1995-04-16 | Mariani Rubinetterie | DISCHARGE ACCESSORY FOR WHIRLPOOL TUB. |
DE3941532C2 (en) * | 1989-12-17 | 1996-11-14 | Schuessler Guenter | Hydromassage system with at least one hydromassage nozzle |
US5095558A (en) * | 1990-09-21 | 1992-03-17 | Vortex Whirlpool Systems, Inc. | Adjustable orifice spa jet |
FR2675376A1 (en) * | 1991-04-17 | 1992-10-23 | Antoine Robert | HYDRODYNAMIC MASSAGE DEVICE. |
IT1249269B (en) * | 1991-05-24 | 1995-02-21 | Sea Di Filipponi A E C S N C | JET FOR WHIRLPOOL |
FR2678826A1 (en) * | 1991-07-10 | 1993-01-15 | Tech Systemes Elabores Sa | Balneotherapy system |
IT228652Y1 (en) * | 1992-06-29 | 1998-05-07 | Ideal Standard Spa | IMPROVED NOZZLE FOR THE RELEASE OF A MIXTURE OF WATER AND AIR FOR WHIRLPOOLS, SUITABLE FOR BEING FIXED TO THE WALL OF A BATHTUB |
US5269029A (en) * | 1992-11-02 | 1993-12-14 | B&S Plastics, Inc. | Hydrotherapy jet with push-pull flow adjustment |
DE4322812C1 (en) * | 1993-07-08 | 1994-09-01 | Altura Leiden Holding | Nozzle for a tub |
IT1266669B1 (en) * | 1993-11-04 | 1997-01-09 | Teuco Guzzini Srl | LOCALIZED WHIRLPOOL DEVICE |
IT1274336B (en) * | 1994-03-04 | 1997-07-17 | Jacuzzi Europ | HYDROMASSAGE NOZZLE, PARTICULARLY ALTHOUGH NOT EXCLUSIVELY FOR BATHTUBS |
DE9414238U1 (en) * | 1994-09-02 | 1994-10-27 | Altura Leiden Holding B.V., Maastricht | jet |
US5526540A (en) * | 1995-03-31 | 1996-06-18 | American Standard Inc. | Hydrotherapy nozzle assembly |
AU785271B2 (en) * | 2001-03-05 | 2006-12-14 | Edgetec Systems Pty Ltd | Mixing jet assembly for spa baths and pools |
ES2310953B1 (en) * | 2006-04-28 | 2009-11-19 | Baños 10, S.L. | MIXING DEVICE OF A GAS AND A LIQUID OR FLUID. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2699357A (en) * | 1950-08-04 | 1955-01-11 | Charles M Roth | Faucet attachment for bubble bath |
US3471091A (en) * | 1967-09-01 | 1969-10-07 | Swimquip Inc | Hydrotherapy fitting |
US4261347A (en) * | 1979-12-06 | 1981-04-14 | Jacuzzi Bros., Inc. | Hydromassage fitting for tubs, spas and pools |
US4408721A (en) * | 1981-02-23 | 1983-10-11 | Jacuzzi Inc. | Fitting to combine air and pressurized water |
FR2519272B1 (en) * | 1982-01-04 | 1986-12-19 | Chalberg Philip | ADJUSTABLE NOZZLE OF AIR AND WATER |
-
1984
- 1984-07-17 IT IT8422589U patent/IT8422589V0/en unknown
-
1985
- 1985-07-16 NO NO852843A patent/NO852843L/en unknown
- 1985-07-16 ES ES1985288124U patent/ES288124Y/en not_active Expired
- 1985-07-16 GR GR851766A patent/GR851766B/el unknown
- 1985-07-17 AT AT85108947T patent/ATE70967T1/en not_active IP Right Cessation
- 1985-07-17 FR FR8510932A patent/FR2567752B3/en not_active Expired
- 1985-07-17 DE DE8520682U patent/DE8520682U1/en not_active Expired
- 1985-07-17 EP EP85108947A patent/EP0168823B1/en not_active Expired - Lifetime
- 1985-07-17 DE DE85108947T patent/DE3585057D1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NO852843L (en) | 1986-01-20 |
IT8422589V0 (en) | 1984-07-17 |
FR2567752A3 (en) | 1986-01-24 |
GR851766B (en) | 1985-11-26 |
ES288124U (en) | 1986-01-01 |
DE3585057D1 (en) | 1992-02-13 |
EP0168823A2 (en) | 1986-01-22 |
DE8520682U1 (en) | 1985-09-26 |
ES288124Y (en) | 1986-08-01 |
FR2567752B3 (en) | 1986-08-08 |
ATE70967T1 (en) | 1992-01-15 |
EP0168823A3 (en) | 1987-05-27 |
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