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DE19631795A1 - Whirlpool system to save piping and ensure removal of water from pump - has non-return valve system in place of supply pipes and emptying of remaining water controlled by volume dependent non-return valve - Google Patents

Whirlpool system to save piping and ensure removal of water from pump - has non-return valve system in place of supply pipes and emptying of remaining water controlled by volume dependent non-return valve

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Publication number
DE19631795A1
DE19631795A1 DE1996131795 DE19631795A DE19631795A1 DE 19631795 A1 DE19631795 A1 DE 19631795A1 DE 1996131795 DE1996131795 DE 1996131795 DE 19631795 A DE19631795 A DE 19631795A DE 19631795 A1 DE19631795 A1 DE 19631795A1
Authority
DE
Germany
Prior art keywords
water
return valve
whirlpool
pump
emptying
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
DE1996131795
Other languages
German (de)
Other versions
DE19631795C2 (en
Inventor
Werner Dipl Ing Goedtner
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE1996131795 priority Critical patent/DE19631795C2/en
Publication of DE19631795A1 publication Critical patent/DE19631795A1/en
Application granted granted Critical
Publication of DE19631795C2 publication Critical patent/DE19631795C2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K3/00—Baths; Douches; Appurtenances therefor
    • A47K3/10—Wave-producers or the like, e.g. with devices for admitting gas, e.g. air, in the bath-water
    • 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
    • A61H33/02—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
    • 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
    • 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
    • A61H33/6068—Outlet from the bath
    • A61H33/6073—Intake mouths for recirculation of fluid in whirlpool 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
    • A61H33/6068—Outlet from the bath
    • A61H33/6073—Intake mouths for recirculation of fluid in whirlpool baths
    • A61H33/6078—Combined with waste outlets

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Devices For Medical Bathing And Washing (AREA)

Abstract

The whirlpool system is installed in a bath (6) and has nozzles (8) in the walls of the bath. There is a suction connection (5) to the water pump (3) on the drain hole (9) of the bath. This has a water emptying connection (11) at its lowest point. There is a volume dependent flow restrictor (2) on this connection, with its fall inclined to the bath waste outlet (10). The pressurised water pipe (12) has its fall inclined to the pressure connection (4) of the pump and its end is connected to the whirlpool nozzles each of which is equipped with a non-return valve. The air supply system is replaced by the non-return valve system and the emptying of the remaining water is controlled by a volume dependent non-return valve.

Description

Die Erfindung betrifft eine Einrichtung für Whirlpoolanlagen und deren Druckwasser- und Zuluftsysteme welche aus hygienischen Gründen selbstreinigend ausgeführt ist.The invention relates to a device for whirlpool systems and their pressurized water and supply air systems which are made of hygienic Reasons self-cleaning.

Aus den Schriften DE 39 28 464 A1, DE 34 20 714 A1 und G 84 16 982.6 ist eine Einrichtung bekannt um Whirlpoolanlagen mittels Wasser, durch eine aufwendige elektrische und elektronische Steuerung, welche dazu mehrere Elektroventile benötigt, zu reinigen. Die Whirlpooldüsen, die nach dem Venturi- oder Wasserstrahlpumpenprinzip arbeiten, sind mit einem Zuluftrohrsystem versehen. Das unter Druck einströmende Wasser reißt automatisch die Luft mit, welche den Luft/ Wasserstrahl bilden, solange das Wasser unter Druck durch die Whirlpooldüsen strömt. In der Zeit in dem der Whirlpool zwar mit Wasser gefüllt ist, aber die Whirlpooldüsen nicht in Betrieb sind, steigt das Wasser, nach dem Naturgesetz der kommunizierenden Röhren, auch in die Zuluftrohre, bis auf dieselbe Höhe der Whirlpoolwannenfüllung, da die Whirlpooldüsen zweckmäßigerweise weit unterhalb der Whirlpoolwannenfüllung angebracht sind. Die Druckwasserpumpe hat bauartbedingt einen Sauganschluß und einen Druckanschluß. Das Pumpengehäuse der Druckwasserpumpe ist in der Regel so angeordnet, daß das Pumpengehäuse nie ganz leerläuft. Aus den o.a. Schriften ist eine Einrichtung bekannt bei der am tiefsten Punkt des Pumpengehäuses ein Entleerungsanschluß vorgesehen ist, welcher beim Betrieb des Whirlpools, durch ein Elektromagnetventil verschlossen ist.From the documents DE 39 28 464 A1, DE 34 20 714 A1 and G 84 16 982.6 a device is known for using whirlpool systems Water, through a complex electrical and electronic control, which requires several electro valves to clean. The Whirl pool nozzles based on the Venturi or water jet pump principle work, are provided with a supply air pipe system. That under pressure inflowing water automatically entrains the air, which Form water jet as long as the water is under pressure through the Whirlpool jets are flowing. At the time of the whirlpool with water is filled, but the whirlpool jets are not in operation, this increases Water, according to the natural law of communicating tubes, also in the supply air pipes up to the same height as the whirlpool bath filling the whirlpool jets expediently far below the Whirlpool tub filling are attached. The pressure water pump has due to the design, a suction connection and a pressure connection. The The pump housing of the pressurized water pump is usually arranged that the pump housing never runs completely empty. From the above Writings is a device known at the lowest point of the pump housing a drain connection is provided, which during operation of the Whirlpools, is closed by an electromagnetic valve.

Die Nachteile dieser Einrichtung sind folgende:
Das Zuluftrohrsystems der Whirlpooldüsen verschmutzt durch das Wasser der Whirlpoolwannenfüllung. Die Reinigung erfolgt durch Wasser welches beim nächsten Wiederbenutzen des Whirlpools durch das Zuluftrohrsystem fließt. Diese Reinigungsmöglichkeit wird mit entsprechenden Elektromagnetventilen gesteuert. Der Schmutz ist dann aber meist angetrocknet und läßt sich nur mit Desinfektionsmitteln hygienisch reinigen. Die Steuerung ist aufwendig und bedarf einer Wartung. Die Elektromagnetventile müssen elektrisch sicher vom Whirlpoolwannenwasser isoliert sein, um elektrische Ströme und damit eine Gefährdung der Whirlpoolbenutzer auszuschließen. Ein weiterer Nachteil ist der, daß das Wasser, welches sich in den Zuluftrohren befindet, wenn die Druckwasserpumpe in Betrieb genommen wird, erst einmal nach dem Venturiprinzip aus dem Zuluftrohrsystem herausgesaugt werden muß. Das hat zur Folge, daß der eigentlich nötige Luft/Wasserstrahl sich erst verzögert einstellt.The disadvantages of this facility are as follows:
The supply air pipe system of the whirlpool jets is contaminated by the water in the whirlpool bath filling. It is cleaned by water which flows through the supply air pipe system the next time the spa is used again. This cleaning option is controlled with appropriate solenoid valves. The dirt is then mostly dry and can only be hygienically cleaned with disinfectants. The control is complex and requires maintenance. The electromagnetic valves must be electrically insulated from the whirlpool bath water in order to exclude electrical currents and thus endanger the whirlpool users. Another disadvantage is that the water that is in the supply air pipes when the pressurized water pump is started up must first be sucked out of the supply air pipe system according to the Venturi principle. The result is that the air / water jet that is actually required is delayed.

Der Erfindung liegt die Aufgabe zugrunde ein Whirlpoolwannensystem zu entwickeln, welches automatisch für eine Restwasserentleerung sorgt, sowie, daß man auf das unhygienische Zuluftrohrsystem vollkommen verzichten kann.The invention is based on the object of a whirlpool bath system develop, which automatically ensures a residual water drainage, as well as being perfect on the unsanitary supply air pipe system can do without.

Die erfindungsgemäße Einrichtung löst die Aufgabe wie folgt:
Da Whirlpooldüsen nach dem Wasserstrahlpumpenprinzip arbeiten, ist es möglich, damit einen hohen Unterdruck zu erzeugen. Das wird erfindungsgemäß dazu ausgenutzt, daß das Zuluftrohrsystem komplett entfällt und durch ein mechanisch selbständig arbeitendes Rückschlagventil je Whirlpooldüse, ersetzt wird. Dieses Rückschlagventil läßt, wenn die Druckwasserpumpe, Wasser durch die Whirlpooldüsen pumpt, automatisch die für den Luft/Wasserstrahl benötigte Zuluft durchströmen. In der Zeit, in der die Whirlpooldüsen nicht arbeiten, fließt das verschmutzte Wasser in Richtung der Rückschlagventile, aber nicht durch die Rückschlagventile hindurch ins Freie. Der Vorteil der Erfindung ist der, daß das Zuluftrohrsystem aus diesem Grunde gänzlich entfallen kann. Ein weiter Vorteil der erfindungsgemäßen Einrichtung liegt darin, daß falls der Luft/Wasserstrahl an seiner Austrittsöffnung nicht frei ausströmen kann, verhindert wird, daß Wasser durch die Rückschlagventile entweichen kann. Der hygienische Vorteile ist der, daß in der gesamten Whirlpoolanlage keine Rohre mehr installiert sind, welche durch stehendes Wasser verschmutzt werden. Ein weiterer Vorteil der Erfindung liegt darin, daß mit Inbetriebnehmen der Druckwasserpumpe der Luft/Wasserstrahl sofort einsetzt. Die Restwasserentleerung der Druckwasserpumpe wird erfindungsgemäß dadurch gelöst, das ein mengenabhängiger Durchflußverhinderer am tiefsten Punkt des Pumpengehäuses angeschlossen ist. Dieser mündet in dem Saugrohr der Druckwasserpumpe. Das Saugrohr der Druckwasserpumpe entleert sich, da es mit einem entsprechenden Gefälle, zwischen Druckwasserpumpe sowie Whirlpoolwannenablauf und Whirlpoolwannenverschluß, angeordnet ist, selbständig, beim Entleeren der Whirlpoolanlage. Wenn im Betrieb der Whirlpoolanlage, die Druckwasserpumpe arbeitet, dann ist an dem Druckanschluß derselbe Wasserdruck wie auf dem Druckwasseranschluß des mengenabhängige Durchflußverhinderers, der sofort ein Durchströmen des Druckwassers verhindert, da die durchströmende Druckwassermenge den mengenabhängigen Durchflußverhinderer sofort schließt. Der mengenabhängige Durchflußverhinderer öffnet sofort wieder, sobald die Druckwasserpumpe nicht mehr arbeitet. Das nun drucklose Wasser kann, aus der Druckwasserpumpe abfließen.The device according to the invention achieves the task as follows:
Since whirl pool nozzles work according to the water jet pump principle, it is possible to generate a high vacuum with them. This is used according to the invention so that the supply air pipe system is completely eliminated and is replaced by a mechanically independent check valve for each whirlpool nozzle. This check valve allows the supply air required for the air / water jet to flow automatically when the pressurized water pump pumps water through the whirl pool nozzles. During the time when the whirlpool jets are not working, the polluted water flows towards the check valves, but not through the check valves to the outside. The advantage of the invention is that the supply air pipe system can be completely eliminated for this reason. Another advantage of the device according to the invention is that if the air / water jet cannot flow freely at its outlet opening, water is prevented from escaping through the check valves. The hygienic advantage is that no pipes are installed in the entire whirlpool system that are contaminated by standing water. Another advantage of the invention is that the air / water jet starts immediately when the pressurized water pump is started up. The residual water emptying of the pressurized water pump is achieved according to the invention in that a quantity-dependent flow preventer is connected to the lowest point of the pump housing. This opens into the suction pipe of the pressure water pump. The suction pipe of the pressurized water pump empties automatically because it is arranged with a corresponding gradient between the pressurized water pump and the whirlpool bath drain and the whirlpool bath lock, when the whirlpool system is emptied. If the pressurized water pump is operating during operation of the whirlpool system, then the same water pressure is present at the pressure connection as on the pressurized water connection of the quantity-dependent flow preventer, which immediately prevents the pressure water from flowing through, since the quantity of pressurized water flowing through immediately closes the quantity-dependent flow preventer. The quantity-dependent flow preventer opens again as soon as the pressure water pump stops working. The now pressureless water can flow out of the pressurized water pump.

Ein Ausführungsbeispiel der erfindungsgemäßen Einrichtung ist in der Zeichnung dargestellt und wird im Folgenden näher beschrieben. Es zeigenAn embodiment of the device according to the invention is in the Drawing shown and is described in more detail below. Show it

Fig. 1 Seitenansicht einer Whirlpoolanlage, Fig. 1 side view of a whirlpool system,

Fig. 2 Längsschnitt durch eine Whirlpooldüse, Fig. 2 is a longitudinal section through Whirlpooldüse,

Fig. 3a Längsschnitt durch einen geöffneten mengenabhängigen Durchflußverhinderer, Fig. 3a longitudinal section through an open dose-dependent Durchflußverhinderer,

Fig. 3b Längsschnitt durch einen geschlossenen mengenabhängigen Durchflußverhinderer. Fig. 3b longitudinal section through a closed quantity-dependent flow preventer.

In Fig. 1 ist eine Ausführung der erfindungsgemäßen Einrichtung zu sehen, bestehend aus dem Whirlpoolwannenkörper 6 an dem unterhalb des Whirlpoolwannenwasserspiegels 7 die Whirlpooldüsen 8 angeordnet sind. Am Whirlpoolwannenablauf 9 ist der Sauganschluß 5 der Druckwasserpumpe 3 angeschlossen. Am tiefsten Punkt der Druckwasserpumpe 3 ist der Entleerungsanschluß 11 vorgesehen. Am Entleerungsanschluß 11 ist der mengenabhängige Durchflußverhinderer 2 mit Gefälle in Richtung Whirlpoolwannenverschluß 10 angeordnet. Das Druckwasserrohr 12 ist mit Gefälle in Richtung des Druckanschluß 4 der Druckwasserpumpe 3 angeordnet. Am Ende der Druckwasserrohre 12 befinden sich die Whirlpooldüsen 8, welche in der Whirlpoolwannenwand 20 angeordnet sind. An jeder Whirlpooldüse 8 ist ein Rückschlagventil 1 angeordnet.In Fig. 1 is seen an embodiment of the device according to the invention, from the whirlpool bathtub body 6, the whirlpool jets 8 are arranged consisting of the water underneath the spa shell mirror 7. The suction connection 5 of the pressure water pump 3 is connected to the whirlpool bath outlet 9 . The drain connection 11 is provided at the lowest point of the pressure water pump 3 . The quantity-dependent flow preventer 2 is arranged with a slope towards the whirlpool bath closure 10 at the drain connection 11 . The pressure water pipe 12 is arranged with a slope in the direction of the pressure connection 4 of the pressure water pump 3 . At the end of the pressurized water pipes 12 are the whirl pool nozzles 8 , which are arranged in the whirlpool tub wall 20 . A check valve 1 is arranged on each whirl pool nozzle 8 .

Fig. 2 zeigt die Whirlpooldüse 8 welche an der Druckwasserleitung 12 angeschlossen ist. Das Wasser strömt durch die Düse 19 und reißt an der Austrittsöffnung 13 die nötige Zuluft mit, welche durch das Rückschlagventilgehäuse 14 strömt. Die Zuluft drückt die Dichtplatte 16 Richtung der Feder 15 und läßt somit die nötige Zuluft durch die Lufteintrittsöffnung 17 einströmen. Der so gebildete Luft/Wasserstrahl tritt dann in die Whirlpoolwanne durch die Luft/ Wasserstrahlaustrittsöffnung 18 ein. Fig. 2 shows the whirlpool nozzle 8 which is connected to the pressurized water line 12 . The water flows through the nozzle 19 and entrains the necessary supply air at the outlet opening 13 , which flows through the check valve housing 14 . The supply air presses the sealing plate 16 in the direction of the spring 15 and thus allows the necessary supply air to flow in through the air inlet opening 17 . The air / water jet thus formed then enters the whirlpool tub through the air / water jet outlet opening 18 .

Fig. 3a zeigt den mengenabhängige Durchflußverhinderer 2 bestehend aus dem Gehäuse 21 in dem eine Dichtplatte 22 so angeordnet ist, daß das Wasser vom Druckwasseranschluß 24 um die Dichtplatte 22 herum sowie durch die Feder 23 hindurch zum Whirlpoolwannenverschluß 10 fließen kann. Strömt nun das Wasser zu schnell, schließt die Dichtplatte 22, gegen den Federdruck der Feder 23 wie in Fig. 3b dargestellt, und das Durchströmen des Wassers wird sofort verhindert. Nach Entlasten der Dichtscheibe 22 öffnet die Feder wieder den mengenabhängigen Durchflußverhinderer und der nun eingetretene Zustand entspricht wieder dem aus Fig. 3a. Fig. 3a shows the volume-dependent flow preventer 2 consisting of the housing 21 in which a sealing plate 22 is arranged so that the water can flow from the pressurized water connection 24 around the sealing plate 22 and through the spring 23 to the whirlpool bath closure 10 . If the water now flows too quickly, the sealing plate 22 closes, against the spring pressure of the spring 23 as shown in FIG. 3b, and the flow of water is immediately prevented. After relieving the sealing washer 22 , the spring opens the quantity-dependent flow preventer again and the state which has now occurred again corresponds to that from FIG. 3a.

Claims (2)

1. Einrichtung um an Whirlpoolanlagen auf das Zuluftrohrsystem verzichten zu können, dadurch gekennzeichnet, daß das Zuluftrohrsystem durch ein Rückschlagventil ersetzt wird.1. Device to be able to dispense with the supply air pipe system in whirlpool systems, characterized in that the supply air pipe system is replaced by a check valve. 2. Vorrichtung an der Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Restwasserentleerung durch ein mengenabhängiges Rückschlagventil erfolgt.2. Device on the device according to claim 1, characterized in that the residual water drainage by a quantity-dependent check valve is carried out.
DE1996131795 1996-08-07 1996-08-07 Whirlpool system with an air supply device to the whirlpool nozzle Expired - Fee Related DE19631795C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1996131795 DE19631795C2 (en) 1996-08-07 1996-08-07 Whirlpool system with an air supply device to the whirlpool nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1996131795 DE19631795C2 (en) 1996-08-07 1996-08-07 Whirlpool system with an air supply device to the whirlpool nozzle

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DE19631795A1 true DE19631795A1 (en) 1997-02-06
DE19631795C2 DE19631795C2 (en) 1998-02-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0875230A3 (en) * 1997-02-05 2000-02-09 Kaladross Limited A whirlpool assembly
CN1407292B (en) * 2001-08-22 2010-12-08 姜建华 Bath devices

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672359A (en) * 1970-07-28 1972-06-27 Charles Krohn Whirlpool bath attachment
DE3420714A1 (en) * 1984-06-02 1985-12-05 Eberhard Hoesch & Söhne Metall und Kunststoffwerk GmbH & Co, 5166 Kreuzau SWIVEL NOZZLE TUB WITH SYSTEM PRE-WASH
DE3636328A1 (en) * 1986-10-24 1988-05-11 Moeller Sanitaer Und Kunststof Device for installation into the drainage system of bath tubs and the like with whirlpool device
DE3928464A1 (en) * 1989-08-29 1991-03-07 Roth Werke Gmbh Whirlpool bath with air and water jets - allows circulation of water from outlet to tube and subsequent emptying and clean flushing
US5079784A (en) * 1989-02-03 1992-01-14 Hydr-O-Dynamic Systems, Inc. Hydro-massage tub control system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672359A (en) * 1970-07-28 1972-06-27 Charles Krohn Whirlpool bath attachment
DE3420714A1 (en) * 1984-06-02 1985-12-05 Eberhard Hoesch & Söhne Metall und Kunststoffwerk GmbH & Co, 5166 Kreuzau SWIVEL NOZZLE TUB WITH SYSTEM PRE-WASH
DE8416982U1 (en) * 1984-06-02 1986-04-30 Eberhard Hoesch & Söhne Metall und Kunststoffwerk GmbH & Co, 5166 Kreuzau Vortex nozzle tray with system pre-purge
DE3636328A1 (en) * 1986-10-24 1988-05-11 Moeller Sanitaer Und Kunststof Device for installation into the drainage system of bath tubs and the like with whirlpool device
US5079784A (en) * 1989-02-03 1992-01-14 Hydr-O-Dynamic Systems, Inc. Hydro-massage tub control system
DE3928464A1 (en) * 1989-08-29 1991-03-07 Roth Werke Gmbh Whirlpool bath with air and water jets - allows circulation of water from outlet to tube and subsequent emptying and clean flushing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0875230A3 (en) * 1997-02-05 2000-02-09 Kaladross Limited A whirlpool assembly
CN1407292B (en) * 2001-08-22 2010-12-08 姜建华 Bath devices

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Publication number Publication date
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