Centra-burkle Gmbh & Co.

Firma Centra-burkle Gmbh & Co.

Alois Knoll

A programmable memory for the automatic control of a heating or cooling plant over a 24-hour, 7-day or longer cycle comprises a frame with a multiplicity of mutually parallel printed-circuit strips whose major surfaces carry two sets of conductors arrayed in an orthogonal matrix, the strips being overlain by a cover plate with slits for the insertion of jumpers bridging selected conductors at their points of intersection. The conductors of one set are sequentially energized while those of the other set are rapidly scanned to detect an output signal representing a selected time in the program cycle at which a command for a change in thermostat setting is to be emitted. The cycle is established or modified by a program plate superimposable upon the cover plate to block some of its slits and/or to actuate one or more switches correlating the several matrix outputs with respective clock readings different for the various cycles. A single program plate may be reversibly positionable on the cover plate to allow selection of two different cycles; a third cycle may be provided by the exposed cover plate itself.

Automatic control system including a programmable memory with manually

An arrangement for controlling room temperature in conjunction with a heating or air conditioning system which operates throughout successive and uniform periods of time, each period of time being divided into a first time interval and a second time interval and including a first computer for a rapid heating or rapid cooling curve and a second computer for computing an actual value room temperature curve in accordance with input data including outside weather conditions, building value etc., the heating or air conditioning system being switched off at the beginning of the second time interval and switched on at a predetermined instant during the second time interval thereby effecting a substantial savings in energy.

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Schonaich, Germany

Alois Knoll