Gas and liquid contact apparatus – Contact devices – Rotating
Patent
1983-06-20
1985-04-02
Chiesa, Richard L.
Gas and liquid contact apparatus
Contact devices
Rotating
4542, 128 66, 239101, 23922217, 239383, 2394285, 261 76, 261DIG75, 366102, B01F 304
Patent
active
045086656
ABSTRACT:
To convert a conventional nonpulsating air/water mixer for a therapy tub, swimming pool, spa or the like to a pulsating mixer, an inexpensive pulsator fitting is used to replace the central eyeball portion of the mixer's outlet and mounting fitting. The pulsator fitting has at least one cross bar positioned to block the mixer's aerated water jet, and a small cylindrical rotor journaled on the cross bar. The rotor extends from the cross bar coaxially into the mixer body's outlet passage in the path of the aerated jet. The jet strikes a central portion of the upstream rotor end, travels through an angulated rotor passage, and exits the downstream rotor end at an angle relative to the rotor axis and at a point spaced apart from it, causing the rotor to spin. As the rotor spins, the exiting aerated jet rotates and is repetitively and intermittently blocked by the cross bar, thereby pulsing the jet.
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Chiesa Richard L.
KDI American Products, Inc.
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