EP0115603B1 - Hydropneumatic massage bathtub unit - Google Patents

Hydropneumatic massage bathtub unit Download PDF

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Publication number
EP0115603B1
EP0115603B1 EP83112515A EP83112515A EP0115603B1 EP 0115603 B1 EP0115603 B1 EP 0115603B1 EP 83112515 A EP83112515 A EP 83112515A EP 83112515 A EP83112515 A EP 83112515A EP 0115603 B1 EP0115603 B1 EP 0115603B1
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EP
European Patent Office
Prior art keywords
water
air
chamber
water jet
air supply
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
Application number
EP83112515A
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German (de)
French (fr)
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EP0115603A1 (en
Inventor
Okko Kornelis Dijkhuizen
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Bem Wientjes Bv Kunststoffen
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Bem Wientjes Bv Kunststoffen
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Priority to AT83112515T priority Critical patent/ATE30112T1/en
Publication of EP0115603A1 publication Critical patent/EP0115603A1/en
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    • 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
    • A61H33/6057—Comprising means producing pulsating or intermittent streams
    • 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
    • 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
    • A61H33/6052—Having flow regulating means
    • 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
    • A61H9/00—Pneumatic or hydraulic massage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71755—Feed mechanisms characterised by the means for feeding the components to the mixer using means for feeding components in a pulsating or intermittent manner
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7176—Feed mechanisms characterised by the means for feeding the components to the mixer using pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/919—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings
    • B01F2025/9191—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings characterised by the arrangement of the feed openings for one or more flows, e.g. for the mainflow and the flow of an additional component
    • B01F2025/91911—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings characterised by the arrangement of the feed openings for one or more flows, e.g. for the mainflow and the flow of an additional component with feed openings in the center of the main flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/75—Flowing liquid aspirates gas

Definitions

  • the invention relates to a hydropneumatic massage bath with an upstanding side walls and a bottom bath and at least one pressurized water line, which ends in a water jet nozzle, with an air supply line, which opens into a chamber surrounding the water jet nozzle, which chamber has an outlet opening for the water jet and the Has air in the interior of the bathtub, as well as means for pulsating the water-air mixture jet emerging into the interior of the bathtub, an interrupter mechanism which intermittently closes the air supply line and thus influences the supply air flow to the chamber is arranged as a means in the air supply line in front of the chamber.
  • Such a massage bath is known from US-A 4320541.
  • the device shown there for generating a pulsating air / water flow is characterized in that an interference body is pushed into the water jet by means of the piston due to the negative pressure generated by the water jet of the nozzle. Only when this has been done are the openings exposed so that air from the air line can enter the water jet laterally via the opening.
  • This has several major disadvantages. On the one hand, especially when the air can enter the water jet from the side, the water jet is considerably disturbed, while as long as the water jet emerges freely from the nozzle, no air can be supplied from the side. As a result, a satisfactory massage effect cannot be achieved.
  • the frequency with which the interfering body is guided into the water jet and thus also the frequency with which air is supplied laterally depends on the water jet strength of the nozzle. So if the water pressure decreases, the pulse frequency also drops, although in this case it would have to increase in order to achieve the same massage effect.
  • a further disadvantage of the known device is that it has parts which are movable in the water flow and are susceptible to faults, which is the case with bathtub fittings, e.g. because of the risk of calcification, is particularly unsatisfactory.
  • the object of the present invention is to make a hydropneumatic massage bath of the type mentioned in the preamble of claim 1 more effective and reliable with regard to its massage effect.
  • the interruption mechanism is e.g. has a fully or partially closable control valve designed as a magnetic valve, the opening frequency of which can be set independently of the strength of the water supply in the pressurized water line. This enables precise control of the opening frequency regardless of the water supply and the resulting Venturi effect.
  • the water jet emerging from the water jet nozzle is always unaffected by any interfering bodies; it is only supplied with more or less compressed air at a variable frequency, regardless of its strength. Because of the adjustability of the opening frequency and the possibility of opening the control valve more or less, the massage device can also be optimally adjusted to the needs of the user.
  • Another massage bath in the form of a massage cabin is known from DE-A 2 735 578, in which a compressed air line opens into the chamber surrounding the water jet nozzle, the free end of which is connected to a radial pressure blower which has a speed controller.
  • the chamber has a front nozzle with a smaller outlet opening, so that the chamber is designed as a compression chamber in order to pre-compress the escaping pressurized water together with the inflowing compressed air.
  • the water-air mixture should be pressed rhythmically into the pool of the interior of the massage cabin and not be continuously irradiated.
  • this arrangement only leads to an unsatisfactory massage effect.
  • the water jet nozzle surrounded by the chamber creates a venturi effect, as a result of which air is sucked into the chamber from the air supply line and entrained by the water jet emerging from the water jet nozzle.
  • the water-air mixture jet creates a pleasant massage effect for bathers. This becomes particularly reliable and pleasant with the solution according to the invention for generating the pulsation of the massage jet, because in the chamber, due to the intermittent interruption of the air supply, the water jet emerging from the water jet nozzle forms a more or less greatly reduced vacuum which forms the massage jet influenced.
  • the hydropneumatic massage bath according to the invention is thus also considerably more effective, pleasant and less susceptible to faults than those devices in which the water supply to the Venturi nozzle is interrupted with the aid of a valve mechanism or a disturbing body.
  • Such valves in the pressurized water line or interfering bodies are relatively sensitive to dirt.
  • the interruption of the water supply and the disruption of the water jet lead to water hammer effects in the water supply pump.
  • the interruption mechanism can be designed in such a way that the supply air flow is completely interrupted at the desired pulse frequency.
  • the supply air flow change with the pulse frequency from a maximum value to a non-zero minimum value.
  • Both the maximum value of the air supply and the minimum value can be adjustable.
  • By the change alternating full or partial opening of the air supply line creates a changing vacuum in the chamber surrounding the water jet nozzle, whereby the strength of the water-air mixture jet emerging from the chamber varies.
  • the massage effect can be further modified and adjusted to the most pleasant if the pulse frequency of the interrupter mechanism can be controlled.
  • Both the pulse strength and the pulse frequency of the water-air mixture jet can thus be varied by the interruption mechanism in that the operating frequency of the interruption mechanism and / or the opening width of the air supply line can be changed.
  • the control valve of the interrupter mechanism can be assigned a switching mechanism which specifies both the opening frequency and the opening width of the control valve in an adjustable manner.
  • the air supply line is connected to the pressure line of an air compressor, the pressure introduced into the chamber with the air supply line can also be changed and the massage effect can thereby be varied. Otherwise the air supply line only sucks in ambient air under atmospheric pressure.
  • the interrupter mechanism in particular the control valve, should also be designed for regulating a compressed air flow and should be adjustable with regard to pulse frequency and opening width.
  • the pressurized water line is expediently connected to the pressure side of a water circulating pump, so that the supply and discharge of new water is unnecessary. It is particularly advantageous here that the suction side of the circulation pump is connected to the interior of the bathtub, so that the water required for the hydropneumatic massage bath is removed from the bath water in the bathtub itself and fed back in via the water jet nozzle.
  • a water jet nozzle or a plurality of water jet nozzles can be arranged in or on the walls of the bathtub with its chamber or chambers, so that the person in the bathtub can choose from only one Venturi nozzle or all around from several Venturi nozzles is exposed to a massage.
  • FIG. 1 The arrangement shown in FIG. 1 has a water circulation pump 1, for example attached to the bath tub 10, which takes water from the bath tub interior 12 and feeds it to a pressurized water line 2 in the direction of arrow P.
  • the pressurized water line 2 opens into a water jet nozzle 4.
  • the front end of the water jet nozzle 4 projects into a cylindrical chamber 5, which surrounds the water jet nozzle 4 with a predetermined radial distance.
  • Water jet nozzle 4 and chamber 5 thus jointly form a water jet-air ejector device 3 which works according to the Venturi principle.
  • chamber 5 has a front outlet opening 11.
  • An air supply line 8 opens into the rear end of chamber 5 Air is drawn into the chamber 5 in the direction of arrow S via the air supply line 8 to the negative pressure generated in the chamber 5 from the water jet leaving the water jet nozzle 4.
  • a control valve 6 is arranged in the air supply line 8, the air passage opening of which can be changed in the direction of the arrow L. The amount of air that can be sucked in via the air supply line 8 can thus be set.
  • the valve 6 is also associated with a switching mechanism 7, which opens or closes the control valve 6 depending on the specified setting, in whole or in part, with a pulse frequency that in this way exits from the outlet opening 11 and into it Bath water entering water-air mixture jet 9 is communicated.
  • the pulse frequency of the switching mechanism 7 can also be controlled.
  • the water-air mixture jet 9 entering the bathing water shows a pulsating flow valve due to the absorption of changing amounts of air, which causes a pleasant massage effect.
  • the amount of water supplied in the unit of time via the water jet nozzle 4 remains essentially unchanged during the massage process. It is only set to the desired value at the start of the massage process and switched off again at the end of the massage process.
  • the massage effect is set to the most comfortable value for the user by controlling the pulse frequency of the switching mechanism 7 and the opening width of the control valve 6.
  • FIG. 2 differs from that according to FIG. 1 only in that the air supply line 8 not only sucks in ambient air, but that air is supplied to it via the pressure line 13 of an air compressor 14 at a pressure above atmospheric pressure. This results in a further variation possibility for the massage effect of the water-air mixture jet 9.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Massaging Devices (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

A hydropneumatic massage bath includes a bath tub having high side walls and a bottom and at least one pressurized-water line that terminates in a water jet nozzle. An air supply line opens into a chamber surrounding the water jet nozzle. Such chamber has an outlet orifice for a jet of water and pressurized air entering the interior of the bath tub structure is provided for pulsating the jet of water/air mixture that discharges into the interior of the bath tub. To achieve a pleasant and variable massaging effect, as well as to reduce the susceptibility of the system to contaminants and compressive stress, an interrupt mechanism is arranged in the air supply line upstream of the chamber to fully or partially close the air supply at a desired pulsation frequency, thereby controlling the flow of incoming air into the chamber.

Description

Die Erfindung bezieht sich auf ein hydropneumatisches Massagebad mit einer hochstehende Seitenwände und einen Boden aufweisenden Badewanne und wenigstens einer Druckwasserleitung, welche in einer Wasserstrahldüse endet, mit einer Luftzufuhrleitung, welche in eine die Wasserstrahldüse umgebende Kammer mündet, welche Kammer eine Austrittsöffnung für den Wasserstrahl und die Luft in den Badewanneninnenraum aufweist, sowie mit Mitteln zum Pulsieren des in den Badewanneninnenraum austretenden Wasser-Luft-Gemisch-Strahls, wobei als Mittel in der Luftzufuhrleitung vor der Kammer ein die Luftzufuhrleitung intermittierend schliessender und damit den Zuluftstrom zu der Kammer beeinflussender Unterbrechermechanismus angeordnet ist.The invention relates to a hydropneumatic massage bath with an upstanding side walls and a bottom bath and at least one pressurized water line, which ends in a water jet nozzle, with an air supply line, which opens into a chamber surrounding the water jet nozzle, which chamber has an outlet opening for the water jet and the Has air in the interior of the bathtub, as well as means for pulsating the water-air mixture jet emerging into the interior of the bathtub, an interrupter mechanism which intermittently closes the air supply line and thus influences the supply air flow to the chamber is arranged as a means in the air supply line in front of the chamber.

Ein derartiges Massagebad ist aus der US-A 4320541 bekannt. Die dort gezeigte Einrichtung zur Erzeugung eines pulsierenden Luft/Wasser-Stromes zeichnet sich dadurch aus, dass ein Störkörper aufgrund des von dem Wasserstrahl der Düse erzeugten Unterdrucks mittels des Kolbens in den Wasserstrahl vorgeschoben wird. Erst wenn dies geschehen ist, liegen die Öffnungen frei, so dass Luft aus der Luftleitung über die Öffnung seitlich in den Wasserstrahl eintreten kann. Hiermit sind mehrere wesentliche Nachteile verbunden. Zum einen wird gerade dann, wenn die Luft seitlich in den Wasserstrahl eintreten kann, der Wasserstrahl erheblich gestört, während, solange der Wasserstrahl frei aus der Düse austritt, keine Luft seitlich zugeführt werden kann. Dadurch kann kein befriedigender Massageeffekt erzielt werden. Als weiteres ist die Frequenz, mit welcher der Störkörper in den Wasserstrahl geführt wird und damit auch die Frequenz, mit welcher seitlich Luft zugeführt wird, von der Wasserstrahlstärke der Düse abhängig. Nimmt also der Wasserdruck ab, fällt auch die Pulsfrequenz, obgleich sie gerade in diesem Fall steigen müsste, um einen gleichen Massageeffekt zu erzielen. Ferner ist bei der bekannten Einrichtung von Nachteil, dass sie im Wasserstrom bewegliche, störanfällige Teile aufweist, was bei Badenwannenarmaturen, z.B. wegen der Verkalkungsgefahr, besonders unbefriedigend ist.Such a massage bath is known from US-A 4320541. The device shown there for generating a pulsating air / water flow is characterized in that an interference body is pushed into the water jet by means of the piston due to the negative pressure generated by the water jet of the nozzle. Only when this has been done are the openings exposed so that air from the air line can enter the water jet laterally via the opening. This has several major disadvantages. On the one hand, especially when the air can enter the water jet from the side, the water jet is considerably disturbed, while as long as the water jet emerges freely from the nozzle, no air can be supplied from the side. As a result, a satisfactory massage effect cannot be achieved. Furthermore, the frequency with which the interfering body is guided into the water jet and thus also the frequency with which air is supplied laterally depends on the water jet strength of the nozzle. So if the water pressure decreases, the pulse frequency also drops, although in this case it would have to increase in order to achieve the same massage effect. A further disadvantage of the known device is that it has parts which are movable in the water flow and are susceptible to faults, which is the case with bathtub fittings, e.g. because of the risk of calcification, is particularly unsatisfactory.

Aufgabe der vorliegenden Erfindung ist es, ein hydropneumatisches Massagebad der im Oberbegriff des Anspruchs 1 genannten Art hinsichtlich seines Massageeffektes wirksamer und zuverlässiger zu gestalten.The object of the present invention is to make a hydropneumatic massage bath of the type mentioned in the preamble of claim 1 more effective and reliable with regard to its massage effect.

Diese Aufgabe wird nach dem kennzeichnenden Teil des Anspruchs 1 dadurch gelöst, dass der Unterbrechermechnismus ein z.B. als Magnetvenil ausgebildetes, ganz oder teilweise schliessbares Regelventil aufweist, dessen Öffnungsfrequenz unabhängig von der Stärke der Wasserzufuhr in der Druckwasserleitung einstellbar ist. Hierdurch ist eine genaue Regelung der Öffnungsfrequenz unabhängig von der Wasserzufuhr und dem damit bedingten Venturi-Effekt möglich. Der aus der Wasserstrahldüse austretende Wasserstrahl ist stets unbeeinträchtigt von irgendwelchen Störkörpern; ihm wird lediglich mit veränderbarer Frequenz mehr oder weniger Druckluft zugeführt, unabhängig von seiner Stärke. Wegen der Einstellbarkeit der Öffnungsfrequenz und der Möglichkeit, das Regelventil mehr oder weniger weit zu öffnen, ist die Massageeinrichtung ferner in optimaler Weise auf die Bedürfnisse des Benutzers einstellbar.This object is achieved according to the characterizing part of claim 1 in that the interruption mechanism is e.g. has a fully or partially closable control valve designed as a magnetic valve, the opening frequency of which can be set independently of the strength of the water supply in the pressurized water line. This enables precise control of the opening frequency regardless of the water supply and the resulting Venturi effect. The water jet emerging from the water jet nozzle is always unaffected by any interfering bodies; it is only supplied with more or less compressed air at a variable frequency, regardless of its strength. Because of the adjustability of the opening frequency and the possibility of opening the control valve more or less, the massage device can also be optimally adjusted to the needs of the user.

Aus der DE-A 2 735 578 ist ein anderes Massagebad in Form einer Massagekabine bekannt, bei welchem in die die Wasserstrahldüse umgebende Kammer eine Druckluftleitung mündet, deren freies Ende mit einem Radialdruckgebläse verbunden ist, welches einen Drehzahlregler aufweist. Die Kammer hat eine Vorsatzdüse mit verkleinerter Austrittsöffnung, so dass die Kammer als Kompressionskammer ausgebildet ist, um das austretende Druckwasser zusammen mit einströmender Druckluft vorzukomprimieren. Dadurch soll das Wasser-Luft-Gemisch rhythmisch stossweise in das Becken des Massagekabineninnenraumes gedrückt und nicht kontinuierlich eingestrahlt werden. Diese Anordnung führt jedoch nur zu einem unbefriedigenden Massageeffekt.Another massage bath in the form of a massage cabin is known from DE-A 2 735 578, in which a compressed air line opens into the chamber surrounding the water jet nozzle, the free end of which is connected to a radial pressure blower which has a speed controller. The chamber has a front nozzle with a smaller outlet opening, so that the chamber is designed as a compression chamber in order to pre-compress the escaping pressurized water together with the inflowing compressed air. As a result, the water-air mixture should be pressed rhythmically into the pool of the interior of the massage cabin and not be continuously irradiated. However, this arrangement only leads to an unsatisfactory massage effect.

Mit der erfindungsgemässen Lösung ist ferner eine genaue Regelung der Pulsfrequenz möglich. Die von der Kammer umgebene Wasserstrahldüse erzeugt einen Venturi-Effekt, wodurch Luft aus der Luftzufuhrleitung in die Kammer eingesaugt und von dem aus der Wasserstrahldüse austretenden Wasserstrahl mitgerissen wird. Der Wasser-Luft-Gemisch-Strahl bewirkt bei dem Badenden einen angenehmen Massageeffekt. Dieser wird mit der erfindungsgemässen Lösung für die Erzeugung der Pulsation des Massagestrahles deswegen besonders zuverlässig und angenehm, weil in der Kammer durch den aus der Wasserstrahldüse austretenden Wasserstrahl aufgrund der pulsweisen Unterbrechung der Luftzufuhr ein pulsweise mehr oder weniger stark abgesenkter Unterdruck ausgebildet wird, der den Massagestrahl beeinflusst. Damit ist das erfindungsgemässe hydropneumatische Massagebad auch wesentlich wirksamer, angenehmer und weniger störanfällig als diejenigen Vorrichtungen, bei welchen die Wasserzufuhr zu der Venturi-Düse mit Hilfe eines Ventilmechanismus oder eines Störkörpers unterbrochen wird. Derartige Ventile in der Druckwasserleitung oder Störkörper sind nämlich relativ schmutzempfindlich. Darüber hinaus führt die Unterbrechung der Wasserzufuhr ebenso wie die Störung des Wasserstrahls zu Wasserschlageffekten in der Wasserzufuhrpumpe.With the solution according to the invention, precise regulation of the pulse frequency is also possible. The water jet nozzle surrounded by the chamber creates a venturi effect, as a result of which air is sucked into the chamber from the air supply line and entrained by the water jet emerging from the water jet nozzle. The water-air mixture jet creates a pleasant massage effect for bathers. This becomes particularly reliable and pleasant with the solution according to the invention for generating the pulsation of the massage jet, because in the chamber, due to the intermittent interruption of the air supply, the water jet emerging from the water jet nozzle forms a more or less greatly reduced vacuum which forms the massage jet influenced. The hydropneumatic massage bath according to the invention is thus also considerably more effective, pleasant and less susceptible to faults than those devices in which the water supply to the Venturi nozzle is interrupted with the aid of a valve mechanism or a disturbing body. Such valves in the pressurized water line or interfering bodies are relatively sensitive to dirt. In addition, the interruption of the water supply and the disruption of the water jet lead to water hammer effects in the water supply pump.

Der Unterbrechermechanismus kann so ausgebildet sein, dass der Zuluftstrom mit der gewünschten Pulsfrequenz vollständig unterbrochen wird. Es ist aber auch möglich, den Zuluftstrom mit der Pulsfrequenz jeweils von einem Maximalwert auf einen von Null verschiedenen Minimalwert wechseln zu lassen. Sowohl der Maximalwert der Luftzufuhr als auch der Minimalwert können einstellbar sein. Durch die wechselnde vollständige oder teilweise Öffnung der Luftzufuhrleitung entsteht in der die Wasserstrahldüse umgebenden Kammer ein wechselnder Unterdruck, wodurch die Stärke des aus der Kammer heraustretenden Wasser-Luft-Gemisch-Strahls variiert. Der Massageeffekt kann noch weiter dadurch modifiziert und auf das angenehmste eingestellt werden, wenn die Pulsfrequenz des Unterbrechermechanismus steuerbar ist. Durch den Unterbrechermechanismus kann also sowohl die Pulsstärke als auch die Pulsfrequenz des Wasser-Luft-Gemisch-Strahls dadurch variiert werden, dass die Betriebsfrequenz des Unterbrechermechanismus und/oder die Öffnungsweite der Luftzufuhrleitung veränderbar ist.The interruption mechanism can be designed in such a way that the supply air flow is completely interrupted at the desired pulse frequency. However, it is also possible to have the supply air flow change with the pulse frequency from a maximum value to a non-zero minimum value. Both the maximum value of the air supply and the minimum value can be adjustable. By the change alternating full or partial opening of the air supply line creates a changing vacuum in the chamber surrounding the water jet nozzle, whereby the strength of the water-air mixture jet emerging from the chamber varies. The massage effect can be further modified and adjusted to the most pleasant if the pulse frequency of the interrupter mechanism can be controlled. Both the pulse strength and the pulse frequency of the water-air mixture jet can thus be varied by the interruption mechanism in that the operating frequency of the interruption mechanism and / or the opening width of the air supply line can be changed.

Dem Regelventil des Unterbrechermechanismus kann ein Schaltmechanismus zugeordnet sein, der sowohl die Öffnungsfrequenz als auch die Öffnungsweite des Regelventils einstellbar vorgibt.The control valve of the interrupter mechanism can be assigned a switching mechanism which specifies both the opening frequency and the opening width of the control valve in an adjustable manner.

Wenn gemäss einer weiteren Ausgestaltung der Erfindung die Luftzufuhrleitung an die Druckleitung eines Luftkompressors angeschlossen ist, kann auch der mit der Luftzufuhrleitung in die Kammer eingeführte Druck verändert und dadurch die Massagewirkung variiert werden. Andernfalls saugt die Luftzufuhrleitung lediglich Umgebungsluft unter Atmosphärendruck an. In dem Falle, in dem die Luftzufuhrleitung an die Druckleitung eines Luftkompressors angeschlossen ist, sollte auch der Unterbrechermechanismus, insbesondere das Regelventil für die Regelung eines Druckluftstromes ausgelegt und hinsichtlich Pulsfrequenz und Öffnungsweite einstellbar sein.If, according to a further embodiment of the invention, the air supply line is connected to the pressure line of an air compressor, the pressure introduced into the chamber with the air supply line can also be changed and the massage effect can thereby be varied. Otherwise the air supply line only sucks in ambient air under atmospheric pressure. In the case in which the air supply line is connected to the pressure line of an air compressor, the interrupter mechanism, in particular the control valve, should also be designed for regulating a compressed air flow and should be adjustable with regard to pulse frequency and opening width.

Die Druckwasserleitung istzweckmässigerweise an die Druckseite einer Wasserumwälzpumpe angeschlossen, so dass sich die Zufuhr und die Ableitung immer neuen Wassers erübrigt. Besonders vorteilhaft ist es dabei, dass die Saugseite der Umwälzpumpe an den Badewanneninnenraum angeschlossen ist, so dass das für das hydropneumatische Massagebad erforderliche Wasser dem Badewaser der Badewanne selbst entnommen und über die Wasserstrahldüse wieder zugeführt wird.The pressurized water line is expediently connected to the pressure side of a water circulating pump, so that the supply and discharge of new water is unnecessary. It is particularly advantageous here that the suction side of the circulation pump is connected to the interior of the bathtub, so that the water required for the hydropneumatic massage bath is removed from the bath water in the bathtub itself and fed back in via the water jet nozzle.

In oder an den Wänden der Badewanne kann eine Wasserstrahldüse bzw. können mehrere Wasserstrahldüsen mit ihrer Kammer bzw. mit ihren Kammern verteilt angeordnet sein, so dass die in der Badewanne befindliche Person nach Wahl lediglich von einer Venturi-Düse oder rundum von mehreren Venturi-Düsen einer Massagewirkung ausgesetzt wird.A water jet nozzle or a plurality of water jet nozzles can be arranged in or on the walls of the bathtub with its chamber or chambers, so that the person in the bathtub can choose from only one Venturi nozzle or all around from several Venturi nozzles is exposed to a massage.

Weitere Ziele, Merkmale, Vorteile und Anwendungsmöglichkeiten der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispieles anhand der beiliegenden Zeichnung.Further objectives, features, advantages and possible uses of the present invention result from the following description of an exemplary embodiment with reference to the accompanying drawing.

Es zeigt:

  • Fig. 1 schematisch in Ansicht das die Erfindung aufweisende hydropneumatische Massagebad im Bereich von Wasserstrahldüse und Kammer, wobei die Luftzufuhrleitung Luft der Umgebung entnimmt, und
  • Fig. 2 eine Anordnung gemäss Fig. 1, bei welcher der Luftzufuhrleitung jedoch Druckluft von einem Luftkompressor zugeführt wird.
It shows:
  • Fig. 1 schematically in view of the hydropneumatic massage bath having the invention in the region of the water jet nozzle and chamber, the air supply line taking air from the environment, and
  • FIG. 2 shows an arrangement according to FIG. 1, in which, however, compressed air is supplied to the air supply line from an air compressor.

Die in Fig. 1 dargestellte Anordnung hat eine beispielsweise an der Badewanne 10 befestigte Wasserumwälzpumpe 1, welche dem Badewanneninnenraum 12 Wasser entnimmt und in Pfeilrichtung P einer Druckwasserleitung 2 zuführt. Die Druckwasserleitung 2 mündet in eine Wasserstrahldüse 4. Die Wasserstrahldüse 4 ragt mit ihrem vorderen Ende in eine zylindrische Kammer 5 hinein,welche die Wasserstrahldüse 4 mit vorgegebenem radialem Abstand umgibt. Wasserstrahldüse 4 und Kammer 5 bilden somit gemeinsam eine nach dem Venturi-Prinzip arbeitende Wasserstrahl-Luft-Ejektorvorrichtung 3. Zu diesem Zweck hat die Kammer 5 eine vordere Austrittsöffnung 11. In das hintere Ende der Kammer 5 mündet eine Luftzufuhrleitung 8. Unter Einfluss des von dem die Wasserstrahldüse 4 verlassenden Wasserstrahls in der Kammer 5 erzeugten Unterdrucks wird Luft in Pfeilrichtung S über die Luftzufuhrleitung 8 in die Kammer 5 angesaugt. Erfindungsgemäss ist in der Luftzufuhrleitung 8 ein Regelventil 6 angeordnet, dessen Luftdurchlassöffnung gemäss Pfeilrichtung L veränderbar ist. Damit lässt sich die über die Luftzufuhrleitung 8 ansaugbare Luftmenge einstellen. Dem Ventil 6 ist ferner ein Schaltmechanismus 7 zugeordnet, der das Regelventil 6 je nach der vorgegebenen Einstellung wechselnd ganz oder teilweise öffnet bzw. ganz oder teilweise schliesst, und zwar mit einer Pulsfrequenz, die auf diese Weise dem aus der Austrittsöffnung 11 austretenden und in das Badewasser gelangenden Wasser-Luft-Gemisch-Strahl 9 mitgeteilt wird. Die Pulsfrequenz des Schaltmechanismus 7 ist ebenfalls steuerbar. Der in das Badewasser gelangende Wasser-Luft-Gemisch-Strahl 9 zeigt durch die Aufnahme wechselnder Luftmengen ein pulsierendes Strömungsventil, welches einen angenehmen Massageeffekt hervorruft. Die über die Wasserstrahldüse 4 in der Zeiteinheit zugeführte Wassermenge bleibt dabei während des Massagevorganges im wesentlichen unverändert. Sie wird nur bei Beginn des Massagevorganges auf den gewünschten Wert eingestellt und nach Ende des Massagevorganges wieder abgestellt. Der Massageeffekt wird über die Steuerung der Pulsfrequenz des Schaltmechanismus 7 und die Öffnungsweite des Regelventils 6 auf den für den Benutzer angenehmsten Wert eingestellt.The arrangement shown in FIG. 1 has a water circulation pump 1, for example attached to the bath tub 10, which takes water from the bath tub interior 12 and feeds it to a pressurized water line 2 in the direction of arrow P. The pressurized water line 2 opens into a water jet nozzle 4. The front end of the water jet nozzle 4 projects into a cylindrical chamber 5, which surrounds the water jet nozzle 4 with a predetermined radial distance. Water jet nozzle 4 and chamber 5 thus jointly form a water jet-air ejector device 3 which works according to the Venturi principle. For this purpose, chamber 5 has a front outlet opening 11. An air supply line 8 opens into the rear end of chamber 5 Air is drawn into the chamber 5 in the direction of arrow S via the air supply line 8 to the negative pressure generated in the chamber 5 from the water jet leaving the water jet nozzle 4. According to the invention, a control valve 6 is arranged in the air supply line 8, the air passage opening of which can be changed in the direction of the arrow L. The amount of air that can be sucked in via the air supply line 8 can thus be set. The valve 6 is also associated with a switching mechanism 7, which opens or closes the control valve 6 depending on the specified setting, in whole or in part, with a pulse frequency that in this way exits from the outlet opening 11 and into it Bath water entering water-air mixture jet 9 is communicated. The pulse frequency of the switching mechanism 7 can also be controlled. The water-air mixture jet 9 entering the bathing water shows a pulsating flow valve due to the absorption of changing amounts of air, which causes a pleasant massage effect. The amount of water supplied in the unit of time via the water jet nozzle 4 remains essentially unchanged during the massage process. It is only set to the desired value at the start of the massage process and switched off again at the end of the massage process. The massage effect is set to the most comfortable value for the user by controlling the pulse frequency of the switching mechanism 7 and the opening width of the control valve 6.

Die in Fig. 2 veranschaulichte Anordnung unterscheidet sich von derjenigen nach Fig. 1 lediglich dadurch, dass die Luftzufuhrleitung 8 nicht lediglich Umgebungsluft ansaugt, sondern dass ihr über die Druckleitung 13 eines Luftkompressors 14 Luft mit einem über Atmosphärendruck liegenden Druck zugeführt wird. Hierdurch ergibt sich eine weitere Variationsmöglichkeit für die Massagewirkung des Wasser-Luft-Gemisch-Strahls 9.The arrangement illustrated in FIG. 2 differs from that according to FIG. 1 only in that the air supply line 8 not only sucks in ambient air, but that air is supplied to it via the pressure line 13 of an air compressor 14 at a pressure above atmospheric pressure. This results in a further variation possibility for the massage effect of the water-air mixture jet 9.

Claims (7)

1. A hydropneumatic massaging bath comprising a bathtub (10) furnished with upright sidewalls and a bottom, and comprising at least one hydraulic line (2) terminating in a water jet nozzle (4); further comprising an air supply line (8) terminating in a chamber (5) surrounding the water jet nozzle (4), with the said chamber (5) including an outlet opening (11) for the water jet and the air in the tub interior (12); and comprising means for pulsating the jet (9) of the water/air mixture discharged into the interior (12) of the bathtub, with an interrupter mechanism (6, 7) forming the means intermittently closing the air supply line (8) and, hence, influencing the intake air stream (S) to the chamber (5) being located in the air supply line (8) ahead of the chamber (5), characterized in that the interrupter mechanism (6, 7) comprises a control valve (6) closing in whole or in part and being in the form of a magnetic valve, with the opening frequency of the said control valve (6) being adjustable independently of the volume of the water supply in the hydraulic line.
2. A massaging bath according to claim 1, characterized in that the interrupter mechanism (6, 7) comprises a switching mechanism (7) associating to the control valve (6).
3. A massaging bath according to claims 1 or 2, characterized in that the air inlet line (8) is connected to the hydraulic line (13) of an air compressor (14).
4. A massaging bath according to any one of claims 1 to 3, characterized in that the hydraulic line (2) is connected to the delivery side of a water recirculation pump (1).
5. A massaging bath according to claim 4, characterized in that the intake side of the water recirculating pump (1) is connected to the tub interior (12).
6. A massaging bath according to any one of claims 1 to 5, characterized in that a plurality of water jet nozzles (4) comprising chambers (5) are distributed in or along the walls of the bathtub (10).
7. A massaging bath according to any one of claims 2 to 6, characterized in that the pulse frequency of the switching mechanism (7) is controllable.
EP83112515A 1983-01-04 1983-12-13 Hydropneumatic massage bathtub unit Expired EP0115603B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83112515T ATE30112T1 (en) 1983-01-04 1983-12-13 HYDROPNEUMATIC MASSAGE BATH.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8300018 1983-01-04
NL8300018A NL8300018A (en) 1983-01-04 1983-01-04 HYDROPNEUMATIC MASSAGE BATH WITH PULSATING CIRCULATION WATER JET SYSTEM.

Publications (2)

Publication Number Publication Date
EP0115603A1 EP0115603A1 (en) 1984-08-15
EP0115603B1 true EP0115603B1 (en) 1987-10-07

Family

ID=19841180

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EP83112515A Expired EP0115603B1 (en) 1983-01-04 1983-12-13 Hydropneumatic massage bathtub unit

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US (1) US4563782A (en)
EP (1) EP0115603B1 (en)
AT (1) ATE30112T1 (en)
DE (2) DE3373977D1 (en)
ES (1) ES8407389A1 (en)
NL (1) NL8300018A (en)

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Also Published As

Publication number Publication date
ATE30112T1 (en) 1987-10-15
ES529158A0 (en) 1984-10-01
EP0115603A1 (en) 1984-08-15
DE8335728U1 (en) 1984-04-05
DE3373977D1 (en) 1987-11-12
ES8407389A1 (en) 1984-10-01
US4563782A (en) 1986-01-14
NL8300018A (en) 1984-08-01

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