Shawn D Martin

US Patent:

7950077, May 31, 2011

Filed:

Dec 5, 2006

Appl. No.:

11/633933

Inventors:

Aland Santamarina - Columbia MD, US
Alan S. Romack - Columbia MD, US
Shawn Martin - Annapolis MD, US

Assignee:

Bowles Fluidics Corporation - Columbia MD

International Classification:

A61H 33/04

US Classification:

45416

Abstract:

An improved spa nozzle that is capable of entraining high air flow rates from the surrounding environment, said nozzle of the type having a water input conduit of diameter D, a flow output conduit having entry and diameter of DID, a transition conduit having a diameter of ID and a length of PL, and an air entrainment conduit, and wherein the following ratios are defined to describe the relative geometry of the nozzle: α=PL/(DID−ID), β=DID/ID and γ=D/ID, the improvement comprising: the water input, transition and output conduits being configured such that α is in the range of 1. 3-5 and β is>1. 9.