US Patent No: 4,731,887
Number of patents in Portfolio can not be more than 2000
Water entrainment hydrotherapy jet assembly
Stats
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Mar 22, 1988
Issued date -
Jun 19, 1987
filing date -
07/064,138
serial no -
Expired
status
Importance
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Abstract
A hydrotherapy jet assembly and/or installation configured to discharge a high intensity stream into a water tub without requiring air entrainment. Passageway means are provided for drawing water from the tub into the mixing chamber of a jet assembly for entrainment by a water jet. The stream discharged from the jet assembly into the tub is comprised of (1) water supplied under pressure into the mixing chamber by a water jet nozzle and (2) water drawn from the tub for entrainment by the water jet. The effect of tub water entrainment is to produce a high intensity stream for impacting against a user's body without significantly lowering the temperature of the water pool in the tub.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 4,422,191 Hydrotherapy jet for tubs, spas or pools | 24 | 1982 | |
| 4,502,168 Hydrotherapy jet for tubs, spas or pools | 21 | 1983 | |
| 4,525,881 Hydrotherapy system for tubs, spas or pools | 20 | 1984 | |
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| 4,541,780 Water jet aerator for ganged operation | 22 | 1983 | |
| 4,671,463 Water jet aerator with flow controlling nozzle | 23 | 1985 | |
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| 4,508,665 Retrofit pulsator apparatus and method for an air/water mixer of a swimming pool, therapy tub, spa or the like | 36 | 1983 | |
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| 4,542,854 Whirlpool jets | 24 | 1984 | |
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| 4,402,094 Safety circulation system | 25 | 1982 | |
| 4,416,030 Compact adjustable spa jet aerator | 30 | 1982 | |