Measuring and testing – Wind tunnel: aerodynamic wing and propeller study
Patent
1987-03-09
1988-06-21
Woodiel, Donald O.
Measuring and testing
Wind tunnel: aerodynamic wing and propeller study
G01M 900
Patent
active
047518448
ABSTRACT:
An adjustable constant temperature and humidity control device for self-propelled vehicles is disclosed. According to the invention, the control device includes a duct system providing a circulating air channel for conducting the air contained in the testing chamber out of the testing chamber and again conducting the air into the chamber. The duct has arranged therein an air blower, a humidifier and an air conditioning unit adapted for performing a sensible heat exchange operation. The device also includes a dehumidifier mounted outside of the testing chamber and designed for introducing the air from the testing chambers as to free the air of its water contents and return the dehumidified air into the chamber and a supply pipe for supplying a thermal medium from a reservoir by a pump into the air conditioning unit, wherein the thermal medium has been supplied from a refrigerater into said reservoir as cold water. The device also includes in addition a return pipe for returning the thermal medium from the air conditioning unit back into the reservoir and a heating unit provided in the supply pipe.
REFERENCES:
patent: 3111843 (1963-11-01), Fredette
patent: 4073188 (1978-02-01), Slezinger et al.
Kabushiki-Kaisha Toyo Seisakusho
Woodiel Donald O.
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