WO2019152397A1 – August 8, 2019 – VAPOR PRESSURE CONTROL SYSTEM FOR DRYING AND CURING PRODUCTS

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Inventors :

SANDELMAN, David - 830 Pikes Peak Road, Perkinsville, VT 05151

Owner :

SANDELMAN, David

Application Number :

WOUS19015640

Document Number :

WO2019152397A1

Priority Date :

January 1, 1970

Filing Date :

January 29, 2019

Date of Grant/ Publication :

August 8, 2019

Class :

A23B4 / 03; A23B7 / 148; F26B25 / 22

Abstract

A system to control the conditions of an aging room, also known as a conditioned space, for products in which independent feedback loops control the dry bulb temperature and the dew point while controlling the difference between the vapor pressure in the room and the vapor pressure of the products being dried, thereby controlling the amount of and rate of water or water vapor loss of the products and, therefore controlling its quality, the system also including target controls, a thermoelectric cooler and lighting controls.

Claim(s)

1. A system for controlling the drying of a product, said product having a specific vapor pressure, said product located within a conditioned space, said system comprising: a first sensor to determine the temperature in said conditioned space, a second sensor to determine the vapor pressure in said conditioned space, and a controller responsive to the vapor pressure or dew point in said conditioned space with respect to the vapor pressure of the product to control the aging of said product, wherein said controller comprises two independent PID control loops, one of said two PID control loops controls the temperature in said conditioned space and the other of said two PID control loops controls said vapor pressure or dew point of said conditioned space.

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