Baths – closets – sinks – and spittoons – Miscellaneous
Reexamination Certificate
2001-04-30
2003-06-24
Phillips, Charles E. (Department: 3751)
Baths, closets, sinks, and spittoons
Miscellaneous
C004S597000, C004S665000
Reexamination Certificate
active
06581220
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates generally to aromatherapy and particularly to shower apparatus and methods for aromatherapy.
BACKGROUND OF THE INVENTION
Aromatherapy encompasses a variety of methods for delivering therapeutic benefits of essential oils or base oils of aromatic botanical extracts to the body. One type of aromatherapy involves mixing the aromatic extracts with water for bathing. Bathing with aromatic extracts is well known to provide many types of medicinal benefits. For example, therapeutic bath salts are well known for the relaxation of muscles, elimination or reduction of muscle spasms, and for the overall enhancement of a person's skin and mood. Examples of aromatic botanical extracts used in aromatherapy include, but are not limited to, jojoba oil (a base oil that has a chemical makeup very similar to the naturally occurring sebum in skin), rosewood oil, ylang-ylang oil, lavender oil, patchouli oil and grape seed extract. A bather generally mixes the aromatic extracts with water in a bathtub, and soaks in the tub for a period of time. By resting in the tub, the user accrues the combined benefits of external therapy and internal therapy, such as soothing or relaxing the body, or conditioning or otherwise improving the health of skin, to name a few.
Aromatherapy showers are also known. For example, U.S. Pat. Nos. 5,915,622 to Foote and 5,957,379 to McMorrow, et al. both describe shower apparatus for delivering aromatic extracts in a water stream to a person taking a shower. These patents deal with the problem of mixing aromatic botanical extracts with mineral salts in a water stream. The problem is that if botanical extracts are exposed to mineral salts for a prolonged period of time, the mineral salts may cause oxidation of the extracts. This oxidation of the extracts eliminates a majority of the value and benefit of the aromatic character of the extracts.
The Foote and McMorrow, et al. patents provide a combination spa fixture that is mounted between an inlet pipe and a shower head. The fixture includes a container for mixing a stream of water with additives. A portion of the stream of water passing from the inlet pipe to the shower head is diverted into the container. The container includes a replaceable cartridge that has a first additive, such as aromatic botanical extracts, in a first chamber and a second additive, such as mineral salts, in a second chamber. The diverted stream of water mixes with the aromatic botanical extracts in the first chamber, passes through a screen to the second chamber, and mixes with the mineral salts in the second chamber. The diverted stream containing both aromatic botanical extracts and mineral salts is then returned to the main stream of water, which exits the shower head. A control valve controls the amount of additives added to the main stream of water. Thus, the two additives are kept separate from one another, thereby preventing a chemical reaction between the additives that would cause a loss of potency.
However, the Foote and McMorrow, et al. patents are disadvantageous compared to bathtub aromatherapy. First, as mentioned above, bathtub aromatherapy provides benefits by the bather resting in the tub and soaking in the aromatic extracts. In contrast, the water flowing in the shower generally does not linger long enough on the body to provide the same degree of benefits as in a tub. Second, the shower is more wasteful of water and aromatic extracts than bathtub aromatherapy.
SUMMARY OF THE INVENTION
The present invention seeks to provide improved shower apparatus and methods for aromatherapy. The present invention includes an add-on system for showers that provides numerous health benefits, and at the same time provides significant savings in water and energy resources.
The system of the present invention recirculates the shower water in a novel manner by means of a vacuum pump. The pump serves as a pressure and flow booster for a normal shower. The system can recirculate the shower water and provide water flow from a regular shower faucet with a single flow pipe, without any need for extra piping. The system can recycle the shower water through an existing shower head at high pressure with a minimum amount of water. The system also includes temperature control apparatus that is capable of maintaining the recycled shower water at a constant temperature, or varying the temperature in accordance with a user preference.
In a preferred embodiment, the invention may be used as an aromatherapy shower, by placing a small amount of aromatherapy substances in the shower water. The recirculating shower water easily penetrates skin pores and may be directed to all parts of the body. The benefits of the aromatherapy may be combined with other features. For example, the recirculating shower water may be heated to a high temperature to provide a combination of steam and aromatherapy for a synergistic sauna-aromatherapy shower experience The invention may also be used as a hydrotherapy shower, wherein the existing shower-head may direct a flexible, high-powered hydrotherapy jet of water (which may be mixed with aromatherapy substances) to all parts of the body. The invention may be used as a lathering shower with just a few drops of shampoo introduced into the recirculating shower water.
Any kind of aromatherapy substance may be used, such as, but not limited to essential oils (such as those mentioned hereinabove), dead-sea mud-packs (for achieving significant alleviation of various joint diseases, for example), dead-sea sulfur packs (for treatment of soft tissue rheumatism and for relief of muscular pain, for example), or dead-sea salt packs (for treatment of certain skin ailments, for example).
The prior art aromatherapy shower may normally last 20 minutes and consume 200 liters of water. In contrast, the present invention can provide significant improvements in aromatherapy with a small amount of water (e.g., just 20-30 liters of water, although the invention is not limited to these values), and unlimited shower time.
The system of the present invention may be initially operated as a normal shower, wherein water flows from the shower faucet to the shower head via a vertical conduit, and the excess water exits through the drain hole located at the bottom of the bathtub. During normal showering, the vertical conduit may sit on the bathtub (or shower stall) floor or may be sealingly placed in the bathtub drain hole.
The vertical conduit comprises a one-way valve situated near the bottom of the conduit, below the inlet of the main water flow into the conduit. As long as there is positive water pressure from the faucet, the water flows through the vertical conduit by means of two pressures: the positive pressure from the faucet that pushes the water flow through the conduit, plus the negative sucking pressure from the booster pump that pulls the water flow through the conduit. The positive pressure of the main water flow is sufficiently stronger than the sucking force of the pump so that the one-way valve remains closed during the normal shower mode of operation. The vertical conduit has openings below the one-way valve, such that water that has accumulated on the floor of the bathtub may enter the conduit. However, in the normal shower mode of operation this water does not flow past the one-way valve, which is closed.
During normal showering, a bather may adjust the water temperature and flow with appropriate valves and controls. The vacuum booster pump may start operating automatically at the beginning of the normal shower, such as by means of a water pressure switch.
The bather may switch to a water recirculating or health shower mode. In this mode, the drain hole is plugged, and a timer valve (or flow meter device) shuts off the main water flow after a preset period of time (such as a matter of seconds) that is sufficient for water to pool around the vicinity of the bottom openings of the vertical conduit. The water flow may be stopped from the main (faucet) water supply either automatically by the tim
Yekutiely Barak
Yekutiely David
Dekel Patent Ltd.
Klein David
Phillips Charles E.
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