Radiant wall oven with temperature control

Details Radiant wall oven with temperature control Radiant wall oven with temperature control

1991-08-02

1992-04-07

Yeung, James C.

Heating

Work chamber having heating means

Having means by which work is progressed or moved mechanically

432 59, 432 72, 432147, 432175, 34 39, 126 92C, F27B 904

Patent

active

051023318

ABSTRACT:
A radiant wall oven with a heating chamber and hot air chamber separated by a radiant wall, an air heating chamber, supply and return ducts between the air heating chamber and hot air chamber and blower means for circulating hot air through the ducts is provided with a radiant wall temperature control comprising two cascaded closed loop controls. The first compares the radiant wall temperature with a first setpoint value to generate the difference as a second setpoint value for the second, which compares the temperature of the supply duct with the second setpoint value to control a heat source such as a burner. Under certain conditions, the air heating chamber is vented to atmosphere.

REFERENCES:
patent: 4255132 (1981-03-01), Carthew
patent: 4546553 (1985-10-01), Best
patent: 4656758 (1987-04-01), Nakayama
patent: 4662840 (1987-05-01), Ellison
patent: 4972606 (1990-11-01), Stoltz
patent: 4981434 (1991-01-01), Arndt

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