Dual reset controller

Details Dual reset controller Dual reset controller

1979-12-26

1981-04-28

Tapolcai, Jr., William E.

Automatic temperature and humidity regulation

Motors

Fluid-operated

236 49, 251 26, 251 29, G05D 2308

Patent

active

042640350

ABSTRACT:
A controller for at least one damper maintains a constant volume rate of flow of air through a duct into a controlled space for a given condition in the controlled space. The dual reset controller resets the volume rate of flow as functions of two sensed conditions.

REFERENCES:
patent: 2120507 (1938-06-01), Otto
patent: 2529875 (1950-11-01), Howard
patent: 2714894 (1955-08-01), Jewett
patent: 3059854 (1962-10-01), Fehlinger
patent: 3122318 (1964-02-01), Null
patent: 3602241 (1971-08-01), Puster
patent: 3809314 (1974-05-01), Engelke et al.
patent: 4185772 (1980-01-01), Brakebill

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