High efficiency atmospheric steamer

Details High efficiency atmospheric steamer High efficiency atmospheric steamer

2008-05-19

2010-10-12

McAllister, Steven B (Department: 3749)

Stoves and furnaces

Liquid heater

Steam chamber for food

C126S348000, C126S369000, C126S020000, C126S381100, C126S389100, C099S330000, C219S401000, C236S01500E

Reexamination Certificate

active

07810488

ABSTRACT:
A pressureless or atmospheric steamer for cooking food with a high cooking efficiency has a cooking compartment with an outlet for steam and condensate that feeds to a tempering tank via an outlet conduit. The outlet conduit is spaced closely from the controlled water level in the tempering tank, and is in fluid communication with the atmospheric vent to create an open steam cooker. A steam generator is adjacent the cooking compartment and has a water reservoir, a heat exchanger secured within the reservoir in a heat-transferring relationship at an exterior surface of the heat exchanger with the water held in the reservoir, and a heater that supplies heat to the interior of the heat exchanger. The tempering tank has a drain and level controls for a water supply held in the tempering tank. A pressure-sensitive device is disposed to measure the steam pressure in the cooking compartment and to generate electrical output signals indicative of minimum and maximum pressure values to control the operation of the heater to maintain the steam pressure in the cooking compartment within that operating range. The steamer has an in-built water filtration system for water supplied to the water reservoir.

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Product Specification Sheet—Groen SmartSteam 100 Boilerless Steamer Model (2)SSB-5GF.
Product Specification Sheet—Cleveland Steamcraft® Gemini™ 10 Model 24-CGA-10.2.

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