Baths – closets – sinks – and spittoons – Tubs – Combined with diverse means
Patent
1990-09-10
1991-11-12
Recla, Henry J.
Baths, closets, sinks, and spittoons
Tubs
Combined with diverse means
4544, A61H 3302
Patent
active
050636200
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
This invention relates to a whirlpool bathtub with devices for generating jets of water and/or air, which can be directed into the interior of the tub from several positions on the wall and/or the bottom of the tub. An individual, drivable device for generating a water and/or air jet is assigned to each one of these positions, which is placed on the tub wall or the tub bottom, or built into the tub wall or the tub bottom and which can be provided with a driving force from the direction of the exterior of the tub.
The individual assignment of one device generating a water and/or air jet per position on the tub wall and/or on the tub bottom has an advantage of not requiring the disposition of water feed tube systems underneath the built-in whirlpool bathtub. Therefore the device is easy to clean and thus to maintain in a sanitary condition. The individual devices for generating a water and/or air jet are easily accessible from the interior of the tub for removal and cleaning.
SUMMARY OF THE INVENTION
It is one object of the present invention to provide a simple and high-output device for generating a water jet for a whirlpool bathtub of the type mentioned above, where the shape of the jet given off can be varied by a simple adaptation of a part and where it is simple to add an air jet to the strong water jet.
This object is achieved with this invention in that a nozzle housing with a pump chamber is associated with each position, in which an impeller of a pump is rotatably seated. The impeller takes in water from the tub interior via suction openings of a nozzle cover which closes off the nozzle housing towards the tub interior. The impeller guides the water taken in from the pump chamber to at least one conduit in the nozzle cover which ends in at least one nozzle opening directed to the tub interior.
Inside the nozzle housing the device contains only the impeller of a pump, which can be driven from the exterior of the tub. Water is taken in by the pump and is returned to the tub interior as a strong jet or a plurality of strong jets through conduits of the nozzle cover. In this connection, it is possible to determine the shape of the water jet by the design, for example the guidance and shaping of the conduits of the nozzle cover, alone.
In accordance with an embodiment, the impeller axially takes in water and has radially-directed feed conduits. The conduit or the conduits in the nozzle cover begin on the wall of the pump chamber of the nozzle housing or the nozzle cover facing the peripheral side of the impeller.
After removing the nozzle cover it is easy to clean the pump. It is also possible to easily clean and maintain a sanitary condition of the nozzle cover with the conduit or the conduits to the nozzle opening or nozzle openings.
The type of the water jet discharged is a function of the design of the nozzle opening, such as a narrow, arc-shaped slit. This fan stream is preferably used for a soft massage above the tub bottom.
In accordance with another embodiment, the water jet can be discharged in such a way that a plurality of nozzle openings in the shape of bores with small diameters are disposed on a circle, which are connected with the pump chamber by means of a common conduit or individual conduits of the nozzle cover. A plurality of round jets are thus generated, which are used for a normal massage.
In a single nozzle opening, round in diameter, which is connected with the pump chamber through a single conduit of the nozzle cover, a single, strong water jet is emitted, which can be used for a directed massage.
In accordance with an embodiment, the structural design of the nozzle housing is such, that the nozzle housing is assembled from the nozzle cover and a motor support flange. The nozzle covers have different nozzle openings which can be connected in the same way and interchangeably with the motor support flange or with a housing ring which can be inserted in an opening in the tub wall or the tub bottom. The motor support flange itself or the housing ring r
REFERENCES:
patent: 4665572 (1987-05-01), Davidson et al.
patent: 4853987 (1989-08-01), Jaworski
Prospectus from Hugo Lahme GmbH, 2/22/78.
Fetsuga Robert M.
Franz Kaldewei GmbH & Co.
Recla Henry J.
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