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    • 12. 发明专利
    • Animal hydrotherapy pools
    • GB0122491D0
    • 2001-11-07
    • GB0122491
    • 2001-09-18
    • SMITH BRADLEY RSMITH CATHERINE E
    • A61H33/00
    • An animal hydrotherapy pool is described comprising a container for water having nozzle means in a wall of the container directing in use one or more jets of water into the water in the container. An extension to a wall of the container forms a housing in which is located pump means adapted to re-circulate water to and from the container via the nozzle means. Pump control means is also located in the housing thereby to be accessible in use to a person controlling an animal using the pool. A second pump draws water from near the surface of the water in the pool through a skimmer, and returns the water to the pool via a water treatment path. The latter comprises a heater, a sand filter, and an ozonator, and as described, all the water treatment devices are incorporated in the housing extension. In a preferred arrangement the return path from the second pump is divided into two parallel paths, both returning water to the pool, the ozonator is located in one of the two paths, which returns only a small fraction of the total volume of water which is returned to the pool by the second pump, and water not diverted through the path containing the ozonator is returned to the pool via the sand filter and heater. The flow rate through the ozonator path is adjustable, typically in the range 10-30% of the water drawn from the pool by the second pump, and for this purpose the path containing the ozonator includes an adjustable flow restrictor. The volume water flow through the nozzles is adjustable and a control panel is provided with controls enabling regulation of the water flow to the nozzles, control of the heater, and control of the percentage of water returned to the pool via the ozonator. The control panel also includes a control by which the second pump can be operated to backwash empty the pool.