Multi-type air heating apparatus utilizing phase variation of he

Details Multi-type air heating apparatus utilizing phase variation of he Multi-type air heating apparatus utilizing phase variation of he

1990-12-06

1992-11-10

Bennet, Henry A.

Heating systems

Automatic control

Steam

237 67, F24D 100

Patent

active

051617390

ABSTRACT:
An outdoor unit comprises a combustion unit for presenting combustion heat, a heating medium heating part for heating the heating medium with the combustion heat to vary in phase from liquid to gas, and a heating medium transferring part. A plurality of indoor units each have an indoor heat exchanger and a required heating capacity detecting part for detecting a required heating capacity in a region to be heated required for the indoor heat exchanger. The detecting part comprises a room temperature setting part, a room temperature detector, and a required heating capacity data output part for delivering required heating capacity data in the region to be heated depending on the difference between the preset room temperature and the detected room temperature. The distributing part couples the plural indoor units parallel to the outdoor unit so as to form individual enclosed heating medium circulation cycles. The controller controls the combustion quantity of the combustion unit and the heating medium transferring capacity according to the sum of the required heating capacity data, and controls the heating medium distribution amount of the distributing part for distributing the heating medium into each indoor heat exchanger depending on the ratio of the required heating capacity data.

REFERENCES:
patent: 3147797 (1964-09-01), Miner
patent: 4192455 (1980-03-01), Rasmussen et al.

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