EP0670156A1 - Hydromassagedüse - Google Patents

Hydromassagedüse Download PDF

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Publication number
EP0670156A1
EP0670156A1 EP95200493A EP95200493A EP0670156A1 EP 0670156 A1 EP0670156 A1 EP 0670156A1 EP 95200493 A EP95200493 A EP 95200493A EP 95200493 A EP95200493 A EP 95200493A EP 0670156 A1 EP0670156 A1 EP 0670156A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
bath
hydromassage
valve
water
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
EP95200493A
Other languages
English (en)
French (fr)
Other versions
EP0670156B1 (de
Inventor
Paolo Fornasari
Livio Furlan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jacuzzi Europe SpA
Original Assignee
Jacuzzi Europe SpA
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 Jacuzzi Europe SpA filed Critical Jacuzzi Europe SpA
Publication of EP0670156A1 publication Critical patent/EP0670156A1/de
Application granted granted Critical
Publication of EP0670156B1 publication Critical patent/EP0670156B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A61H33/6052—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
    • 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
    • A61H33/005—Electrical circuits therefor
    • A61H2033/0054—Electrical circuits therefor with liquid level detectors
    • 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
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/12—Driving means
    • A61H2201/1207—Driving means with electric or magnetic drive

Definitions

  • the present invention relates in general to the specific sector of hydromassage nozzles.
  • hydromassage nozzles consists in the fact that they must be activated only when water is present in the bath since starting up the water circulating pumps when empty could cause irreparable damage thereof.
  • Another not insignificant problem to be solved is that of preventing water flowing back from the bath into the hydromassage water recirculation circuit through the nozzles during normal use of the bath for cleansing purposes only, which may cause the introduction, into said circuit, of aqueous solutions consisting of soaps or other detergents containing surfactants.
  • the latter may give rise to serious problems involving the excessive formation of foam when hydromassage is resumed, including also problems of hygiene associated with the stagnation of these solutions in the water recirculation circuit.
  • a typical example of a nozzle of this type is that which has formed the subject of Utility Model Application No. 22589 B/84 filed on 17 July 1984 in the name of the same depositor of the present application.
  • This nozzle is designed to prevent water from flowing back into its air-conveying sections as well as the stagnation of water in its outermost parts.
  • said nozzle requires the manual shutting-off of the hydromassage water jets in order to prevent bath water flowing back into the water circulation system when the bath-tub is to be used for an ordinary bath.
  • a hydromassage nozzle has now been devised, forming the subject of the present invention, which has an extremely simple design owing to the fact that all the aforementioned problems are solved with a single component, activation of which enables all the drawbacks which may arise from the aforementioned problems to be overcome at the same time.
  • the nozzle in question therefore, in addition to being reliable from an operational point of view, is not affected by problems of maintenance which, however, in the rare instances where it is required, is easy to perform precisely on account of the simple design of the nozzle.
  • the present invention therefore relates to a hydromassage nozzle, in particular although not exclusively for baths, of the type comprising a tubular body designed to be applied through the wall of the said bath, its portion outside the bath being connected to a circuit for recirculation of water under pressure and to an air suction duct, while its end inside the bath forms the outlet mouth for water under pressure thoroughly mixed with the air supplied from the suction duct, the body of the nozzle having inside it at least one duct communicating with the interior of the bath for disposing inside the latter the stagnant water which remains inside the nozzle at the end of hydromassage, said duct being provided with a discharge valve which is closed in order to prevent water flowing back from the bath into the nozzle and opened at the end of hydromassage when the bath is practically drained of water so as to allow discharging of the stagnant water present inside the nozzle, said nozzle being characterized in that the obturator of the discharge valve is mounted on a rocker arm member, the rotations of which are actuated by displace
  • the nozzle in question is denoted in its entirety by 12 and is shown in an extremely schematic manner since it may consist of a conventional nozzle of any type. In this respect the nozzle will be briefly described solely for the sake of completeness as regards references and illustrative clarity.
  • the nozzle according to the invention is of the type comprising a tubular body 14 applied through the wall 10 of the bath having a portion outside and a portion inside the bath.
  • its external portion 16 is connected in a known manner, via a duct 18 shown partially and schematically, to a circuit for recirculation of water under pressure which comprises, in addition to the duct 18, a further duct 20 connected to the interior of the bath which removes water from the latter by the action of a pump 22, to the inlet of which the duct 20 is connected, while the duct 18 is connected to its outlet.
  • a circuit for recirculation of water under pressure which comprises, in addition to the duct 18, a further duct 20 connected to the interior of the bath which removes water from the latter by the action of a pump 22, to the inlet of which the duct 20 is connected, while the duct 18 is connected to its outlet.
  • the water present in the bath is removed from the latter and conveyed from the pump 22 to the nozzle 12.
  • the portion 16 of the nozzle outside the bath is also connected, again in a conventional manner, to an air suction duct 24.
  • the body of the nozzle i.e. its part which surrounds the tubular duct 14, is denoted by 28 and, with reference now also to Figures 4 and 5, it can be noted that, in the bottom part of the body 28, there is formed a duct 30 which connects the interior of the body 28 of the nozzle to the interior of the bath.
  • the duct 30 has associated with it, inside the body 28 of the nozzle, a valve for closing and opening this duct denoted in its entirety, in Figures 4 and 5, by the reference number 32.
  • the valve 32 is in the form of a rocker arm, i.e. consisting of an oscillating member.
  • the essentially rod-shaped body 34 of the valve 32 is in fact pivotably hinged in its middle zone at 36 on the end wall of the body 28 of the nozzle.
  • One end of the body 34 of the valve 32 i.e. the left-hand end in Figures 4 and 5 has mounted on it the obturator 38 of the valve 32 which, when it is raised with respect to the inlet of the duct 30 as shown in Figure 4, leaves this duct open.
  • the obturator 38 is lowered, it is applied to the inlet of the duct 30 in order to close it, as illustrated in Figure 5.
  • the other end of the body 34 of the 32 which is substantially L-shaped, has mounted on it a small block of magnetic material 40 with a substantially parallelepiped shape.
  • the exposed face 42 of the magnetic block 40 has a polarity which is predetermined in the manner which will be specified below.
  • a pneumatic sensor is provided below the end wall of the body 28 of the nozzle, substantially opposite the portion of the lever 32 carrying the magnetic block 40, a pneumatic sensor is provided, denoted in its entirety by 44.
  • the pneumatic sensor 44 comprises essentially a sealed chamber 46 consisting substantially of a wall 48 which extends integrally with the end wall of the body 28 of the nozzle to which a closing cover 50 is fitted.
  • the chamber 46 has arranged inside it a resiliently deformable membrane 52, the contour of which is sealingly fixed between the edge of the cover 50 and that of the wall 48. Fixing may be performed in any known manner, for example force-fitting, snap-engagement or by applying locking means of any kind.
  • the central part 54 of the deformable membrane 52 is substantially flat and made of rigid material, for example plastic material.
  • the top part of the flat part 54 has fixed to it a small plate 56, for example made of metallic material, from which there extends at the top a shaped lug 58 which is centrally hollow and inside which a block of magnetic material 60 is fixed.
  • the exposed face 62 of the magnetic block 60 has a predetermined polarity and, in the embodiment considered now with reference to Figures 1 to 5, the polarity of the face 62 is the same as that of the face 42 of the magnetic block 40.
  • the membrane 52 and therefore the magnetic block 60 mounted on its central part 54 are able to assume a first operating position which is that illustrated in Figure 4 and a second operating position which is that shown in Figure 5, the purpose of which is explained hereinbelow.
  • the central part 54 of the membrane 52 is lowered, i.e. is located substantially at the bottom of the chamber 46, and this occurs owing to the action of a spring 64 arranged between the external face of the end wall of the body 28 of the nozzle and the plate 56 fixed to the central part 54 of the membrane 52.
  • the magnetic block 40 is not affected by the magnetic field of the magnetic block 60 owing to the distance which exists between these blocks. It should be remembered among other things that the end wall of the body 28 of the nozzle must be made of a material which is pervious to the magnetic field, this in relation to the second operating condition as explained below.
  • the magnetic block 40 rests on the end wall of the body 28 of the nozzle and the obturator 38 of the valve 32 is therefore raised so that the duct 30 is open.
  • This condition corresponds to that shown in Figures 1 and 3, i.e. to the full rest condition of the nozzle with the bath completely drained of water, or to that shown in Figure 3 substantially after hydromassage has ended so that with the duct 30 open the stagnant water inside the nozzle 12 can be discharged into the bath.
  • the means which cause raising of the deformable membrane 52 and allow lowering thereof by the spring 64 comprise, with particular reference now to Figures 1 to 3, an expansion reservoir 66 arranged in the bottom part of the bath or in any case below the nozzle 12, which reservoir is connected, via its duct 68, to the interior of the bath.
  • an expansion reservoir 66 arranged in the bottom part of the bath or in any case below the nozzle 12, which reservoir is connected, via its duct 68, to the interior of the bath.
  • the upper side of the reservoir 66 is provided with a series of tubular portions 70 to each of which the end of a pipe 72 is sealingly connected.
  • the other end of each of the pipes 72 is connected, again in a sealed manner, to a tubular portion 74 provided on the bottom of the chamber 46 of the pneumatic sensor 44. It is obvious that as many pipes 72 will be provided as there are nozzles, even though in Figures 1 to 5 this pipe 72 has been shown connected to the single nozzle illustrated.
  • the pneumatic sensor 44 has associated with it means for sensing the presence of magnet means designed to allow activation of the means for recirculation of water under pressure into the bath only when said bath is filled with a predetermined quantity of water as is explained more fully hereinbelow.
  • these sensor means consist of a dry-reed switch denoted by the reference number 76, known per se and therefore not illustrated in detail, which is designed to remain inactive in the operating condition shown in Figure 4, while it is activated in the operating condition shown in Figure 5.
  • the sensor 76 is connected to a known consent circuit 78 via a connection 80, this consent circuit 78 receiving, via a connection 82, the electrical mains voltage.
  • the sensor 76 When the sensor 76 is in the condition shown in Figure 4, as explained further above, it is inactive and therefore deactivates the consent circuit 78 which prevents energization of the pump 22 with the mains voltage. When however, the sensor 76 is in the operating condition shown in Figure 5, i.e. with the magnetic block 60 raised, the sensor 76 no longer detects the presence thereof. It is thus activated, sending a suitable signal to the consent circuit 78, also known and therefore not described in detail, which enables energization of the pump 22 with the mains voltage. In this way the user is able to start hydromassage, being certain that or in any case not having to bother to check whether there is water present in the bath. This device is undoubtedly of great interest since activation of hydromassage only occurs when there is water inside the bath, thus preventing damage to the pump 22 as might happen with water recirculation circuits of the conventional type.
  • valve 32 as a rocker arm or first-class lever, with the fulcrum positioned between the power (magnetic block 40) and the resistance (obturator 38) must not be regarded as limiting, but only exemplary in nature.
  • the body 34 of the valve 32 is kept in the raised position, i.e. with the duct 30 open since the obturator 38 is raised with respect to the inlet thereof, by a spring 84 connected at one end to said body 34 and at the other end to a fixed pivot 86 on the body 28 of the nozzle 12.
  • the spring 84 keeps said body 34 against a stop 88 in the raised position.
  • valve 32 may obviously be that of designing the valve 32 as a third-class lever in which the fulcrum is always at one end, but a magnet (power) is provided substantially in the centre and the obturator (resistance) at the other end.
  • the opposing faces of the magnets will have opposite polarities.
  • the initial condition is always that shown in Figure 1 where the bath does not contain water and is then filled so as to achieve the condition shown in Figure 2.
  • the water poured into the bath partially fills the expansion reservoir 66 which, via pressurisation of the pipes 72, causes stretching of the resilient membrane 52 with consequent raising of the magnetic block 60.
  • the latter comes into the vicinity of the valve 32, the latter is made to rotate in an anti-clockwise direction so that the ducts 30 of the nozzles are closed by the associated obturators 38.
  • the initial condition is always that shown in Figure 1, following which one passes to the condition shown in Figure 2 where, with the same procedures described above, the various valves 32 of the nozzles 12 are closed and the movement of the magnetic block 60 away from the sensor 76 allows the latter to send an activation signal to the consent circuit 78.
  • the user may operate the component which activates hydromassage so that the mains supply voltage energizes the pump 22 via the circuit 78.
  • the water is removed, via the ducts 20, from the bath and conveyed, via the pipes 18, to the various nozzles which thus start to function.
  • the bath is gradually drained until the condition shown in Figure 3 is achieved and then completely emptied such that the expansion reservoir 66 also gradually empties, eliminating the pressure inside the pipes 72 and thus allowing, as described above, opening of the various valves 32 and hence the discharge ducts 30.
  • the stagnant water which remains inside the nozzles, in particular in the body 28 thereof and in the pipes 18, can therefore be freely discharged into the bath and disposed of.
  • valve 32 is performed by magnetic means and hence without the need for providing suitable components inserted in holes which would have to be sealed together with all the associated problems.
  • Another also not insignificant advantage consists in the fact that the magnet means on their own simultaneously cause opening and closing of the various valves of the nozzles and also provide, via the sensor 76, the consent for start of hydromassage.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Percussion Or Vibration Massage (AREA)
EP95200493A 1994-03-04 1995-02-28 Hydromassagedüse Expired - Lifetime EP0670156B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTV940024 1994-03-04
ITTV940024A IT1274336B (it) 1994-03-04 1994-03-04 Bocchetta per idromassaggio, particolarmente anche se non esclusivamente per vasca da bagno

Publications (2)

Publication Number Publication Date
EP0670156A1 true EP0670156A1 (de) 1995-09-06
EP0670156B1 EP0670156B1 (de) 1999-06-16

Family

ID=11419391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95200493A Expired - Lifetime EP0670156B1 (de) 1994-03-04 1995-02-28 Hydromassagedüse

Country Status (4)

Country Link
EP (1) EP0670156B1 (de)
DE (1) DE69510249T2 (de)
ES (1) ES2132515T3 (de)
IT (1) IT1274336B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1518531A1 (de) * 2003-09-29 2005-03-30 American Standard Europe B.V.B.A. Düsenanordnung für Hydromassagebäder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0119581A2 (de) * 1983-03-18 1984-09-26 Firma Franz Viegener II Mischgehäuse mit kugelförmiger Einlassdüse für Whirlpool-Wannen
EP0168823A2 (de) * 1984-07-17 1986-01-22 Jacuzzi Europe Spa Hydromassagedüse
EP0215514A2 (de) * 1985-09-17 1987-03-25 TEUCO GUZZINI S.r.l. Badewanne mit verbesserter Einwicklung zur Hydromassage

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0119581A2 (de) * 1983-03-18 1984-09-26 Firma Franz Viegener II Mischgehäuse mit kugelförmiger Einlassdüse für Whirlpool-Wannen
EP0168823A2 (de) * 1984-07-17 1986-01-22 Jacuzzi Europe Spa Hydromassagedüse
EP0215514A2 (de) * 1985-09-17 1987-03-25 TEUCO GUZZINI S.r.l. Badewanne mit verbesserter Einwicklung zur Hydromassage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1518531A1 (de) * 2003-09-29 2005-03-30 American Standard Europe B.V.B.A. Düsenanordnung für Hydromassagebäder

Also Published As

Publication number Publication date
ITTV940024A0 (it) 1994-03-04
IT1274336B (it) 1997-07-17
ITTV940024A1 (it) 1995-09-04
ES2132515T3 (es) 1999-08-16
DE69510249T2 (de) 1999-11-11
DE69510249D1 (de) 1999-07-22
EP0670156B1 (de) 1999-06-16

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