Apparatus and method for controlling temperature of a turf field

Details Apparatus and method for controlling temperature of a turf field Apparatus and method for controlling temperature of a turf field

1993-12-27

1994-11-29

Fox, John C.

Heat exchange

Geographical

405131, 47DIG10, F28D 1700

Patent

active

053680928

ABSTRACT:
A subsurface hydronic heat-exchanging apparatus and method are provided for controlling the temperature of a turf field. A temperature-controlling fluid is circulated from a temperature-controlled fluid source through a supply header laterally disposed to the field and coupled to an array of hollow tubular heat-exchanging elements underlying the field. Fluid is recirculated to the fluid source from the tubes through a return header laterally disposed to the field and coupled to the tubes. Temperature sensors are disposed adjacent the turf field which detect the temperature of the field and a temperature control device is provided which is responsive to the detected temperature.

REFERENCES:
patent: 4309843 (1982-01-01), Kato
patent: 4566527 (1986-01-01), Pell et al.
patent: 4577435 (1986-03-01), Springer et al.
patent: 4880051 (1989-11-01), Ohashi
patent: 5097893 (1992-03-01), Trimble
patent: 5120158 (1992-06-01), Husu
patent: 5178485 (1993-01-01), Katsuragi et al.
Pollard, Turning Up the Heat at Pebble Beach Golf Links, Jun. 1991.
Miller, Touching up the Mona Lisa, Jan./Feb. 1992.

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