Control devices for heaters

Details Control devices for heaters Control devices for heaters

1978-10-23

1981-10-13

Tapolcai, Jr., William E.

Automatic temperature and humidity regulation

Mixing fluid of dissimilar temperature

Having oscillating or reciprocating valve

236 42, 236 99E, G09D 2313

Patent

active

042944023

ABSTRACT:
Control devices for heating installations are disclosed, which heating installations are provided with thermostat controls. The control devices sense the temperature of the heating medium, e.g., water, to be passed to the heating installation and to be returned therefrom. The temperature difference actuates a control for mixing or directing the flow of the medium in the desired volumes. Use is made of control pistons and expansion material to provide control devices which are particularly capable of optimum energy utilization.

REFERENCES:
patent: 1795860 (1931-03-01), Jaeger
patent: 1875851 (1932-09-01), Carson
patent: 1962214 (1934-06-01), Russell et al.
patent: 2810523 (1957-10-01), Branson
patent: 3397841 (1968-08-01), Kieslich
patent: 3929283 (1975-12-01), Delpla
patent: 3955759 (1976-05-01), Knapp
patent: 4114682 (1978-09-01), Knud
patent: 4165034 (1979-08-01), Rogers, Jr. et al.

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