Heat exchange – Regenerator – Checker brick structure
Patent
1980-03-24
1982-04-13
Davis, Albert W.
Heat exchange
Regenerator
Checker brick structure
165 23, 165 28, 165 30, 165 43, 62 90, 62133, 62176D, F25B 1300, B60H 304
Patent
active
043242863
ABSTRACT:
Apparatus and method for controlling a vehicular temperature conditioning system in response to temperature conditioning demand, outdoor ambient air temperature, discharge air temperature, and vehicle engine oil pressure which is indicative of the rotational speed of a clutch and shaft drivingly connecting the temperature conditioning system to the vehicle engine. A cooling mode is initiated if (1) the return air (comfort zone) temperature exceeds a predetermined maximum value, (2) the outside ambient air temperature exceeds a predetermined limit, and (3) the rotational speed of the clutch and drive shaft, as indicated by the vehicle engine oil pressure, is less than a predetermined limit. During operation in the cooling mode, a reheat cycle is initiated in response to the return air temperature and the discharge air temperature. The reheat cycle is terminated rapidly in response to the discharge air temperature, and being of relative short duration and repetitive in nature thereby minimizes temperature overshoot in the comfort zone, due to the thermal inertia of the heater.
REFERENCES:
patent: 2083971 (1937-06-01), Winther
patent: 2193838 (1940-03-01), Murphy et al.
patent: 2426827 (1947-09-01), Hemming et al.
patent: 2460135 (1949-01-01), Lehane et al.
patent: 3008694 (1961-11-01), Todd
patent: 3351129 (1967-11-01), Spatt
patent: 4135368 (1979-01-01), Mohr et al.
Bitterli et al., Energy Conservative Control of Terminal Reheat Heating, Ventilating and Air Conditioning System; 4-1979.
Anderson Ronald M.
Davis Albert W.
Ferguson Peter D.
Focarino Margaret A.
Lewis Carl M.
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