Fluid temperature control system

Details Fluid temperature control system Fluid temperature control system

1981-04-15

1982-03-09

Tapolcai, Jr., William E.

Automatic temperature and humidity regulation

Motors

Fluid-operated

137 85, 236 80A, G05D 2308

Patent

active

043185096

ABSTRACT:
Fluid temperature control system for providing a supply fluid at a select temperature by warming or cooling a first fluid with a controlled flow of a second fluid. The control of the second fluid flow is achieved by a modulation valve adjustable in response to the pressure of a supply of servo fluid which is itself adjusted in response to the temperature of the supply fluid. The adjustment of the servo fluid pressure by the control system is such that the change in servo fluid pressure from a steady state condition is initially great, diminishing with time to a lesser, steady state value, thereby enhancing the transient response of the control system.

REFERENCES:
patent: 2867194 (1959-01-01), Jensen
patent: 2931574 (1960-04-01), Zuiderhoek
patent: 2946509 (1960-07-01), Radtke et al.
patent: 2977051 (1961-03-01), Farkas et al.
patent: 3122318 (1964-02-01), Null
patent: 3441213 (1969-04-01), Maher, Jr.
patent: 3463390 (1969-08-01), Radtke et al.

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