Pressure cooker canning unit

Details Pressure cooker canning unit Pressure cooker canning unit

1979-01-02

1982-08-31

Makay, Albert J.

Automatic temperature and humidity regulation

Closed fluid heaters

Pressure-operated

126374, 126389, 13750518, F22B 3500

Patent

active

043468365

ABSTRACT:
A pressure cooker canning unit for batch canning, the canning unit including a pressurizable retort having a highly accurate control and monitoring system for temperature regulation and recordation, the retort having a pressure gauge and a thermometer tree for visual monitoring of the pressure and temperature in the retort, a temperature probe and connected temperature recording device for continuous recording of the temperature within the retort and a pressure relief valve for safely releasing excess pressure in the retort, the retort being heated by a gas burner with a gas flow regulated by a unique flow control valve modulated by the pressure within the retort for maintaining a constant temperature within the retort.

REFERENCES:
patent: 757881 (1904-04-01), Burke
patent: 771013 (1904-09-01), Herdrich
patent: 966611 (1910-08-01), Shuster
patent: 1083899 (1914-01-01), Ronk
patent: 1752087 (1930-03-01), Hixon
patent: 1756787 (1930-04-01), Coughnour
patent: 2402287 (1949-02-01), Richeson et al.
patent: 3012730 (1961-12-01), Coogan
patent: 3318402 (1967-05-01), Hendrick

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