The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 31, 2004
Filed:
Nov. 25, 2002
Magnus Lidman, Ronninge, SE;
Carolus Marinus Bernard Versteijnen, Haren, NL;
Anders Bjork, Norsborg, SE;
Lars Kall, Stockholm, SE;
Delaval Holding AB, Tumba, SE;
Abstract
A method and system for controlling the cooling of small milk quantities in a cooling tank ( ) having a bottom wall portion ( ) with a milk cooling surface ( ′) within the tank being part of a cooling circuit an agitator ( ) within the tank for stirring the milk therein. The gist of the invention is a) providing an element for measuring the milk quantity in the tank, and a temperature transducer ( ) for monitoring the milk temperature in the tank, b) providing, in the cooling circuit, an evaporator ( ) connected to the bottom wall portion of the tank, a compressor ( ), and a condenser ( ), c) controlling the temperature of the refrigerant in the evaporator by regulating the vaporizing pressure, so that the temperature of the milk cooling surface ( ′) is always higher than 0° C. when the compressor ( ) is running, d) monitoring the milk quantity in the tank, and, when sufficient/insufficient for the agitator to work properly.