John Q. Hargrove
Engineering at Carriage Lk Dr, Houston, TX
License number
Louisiana PE.0020423
Issued Date
Jan 25, 1983
Expiration Date
Mar 31, 2018
Category
Civil Engineer
Type
Civil Engineer
Address
Address
11115 Carriage Lake Dr, Houston, TX 77065
Professional information
Contrast-Healing Water Spa System
US Patent:
4761838, Aug 9, 1988
Filed:
May 4, 1987
Appl. No.:
7/046834
Inventors:
John W. Hargrove - Houston TX
International Classification:
A61H 3302
US Classification:
4542
Abstract:
In one exemplar embodiment, a contrast-healing water spa system is disclosed that includes a single monolithically formed tub having two approximately equal-sized chambers that are separated by an integrally formed insulated structural wall that will provide hot aerated water in one cabinet and cold quiet water in the other chamber. A hot water circulating pump withdraws water from the hot water chamber at a predetermined flow rate, and the water is then passed through a filter and heater before being injected into the hot water chamber through high-pressure injection ports. A cold water circulating pump withdraws water from the cold water chamber at a predetermined flow rate, and the water is then passed through a filter and cooled by a sidestream mounted chiller before being returned to the cold water chamber. A single ozone generator is interconnected between the cold and hot water lines to add disinfectant to both water circulating systems. A cross-feed line and adjustable valve are disposed between the hot and cold water return lines after the ozone disinfectant is added to permit cross-feed of a selected quantity of hot water into the cold water system.
Dual-Chambered Hydro Tub Spa
US Patent:
D391864, Jul 10, 1990
Filed:
May 4, 1987
Appl. No.:
7/046861
Inventors:
John W. Hargrove - Houston TX
US Classification:
D24 38