Title:
A METHOD AND APPARATUS FOR HIGH INTENSITY ULTRASONIC TREATMENT OF BAKING MATERIALS
Document Type and Number:
WIPO Patent Application WO/2012/047092
Kind Code:
A8
Abstract:
The present invention discloses a high intensity ultrasonic treatment method and apparatus that is used in conjunction with an existing commercial dough or batter mixer to enhance the rheological, aeration and textural properties of the dough or batter. This change in properties is a result of the phenomenon of acoustic cavitation induced in the dough or batter by treatment with high intensity ultrasonic waves. The present invention discloses a mixing bowl (20) of an existing mixer system that is preloaded with dough or batter, the bowl (20) is located at the center of an ultrasonic bath tank (101) filled with a working fluid. The effect of ultrasonic waves with power levels above 1 kW can be observed over the entire or partial mixing period of the dough or batter. The ultrasonic waves of the present invention are generated by a plurality of ultrasonic wave generators (104A, 104B) and piezoelectric transducers (1) mounted on a stainless steel tank (101). The electrical energy received in each transducer (1) will be converted into appropriate mechanical expansion and contractions in the piezoelectric ceramics of the transducer (1 ) thus leading to pressure waves being transmitted to the dough or batter to be mixed. The generation and transmission of high intensity ultrasonic waves to the dough or batter affects its rheological, aeration and textural properties.
Inventors:
CHIN NYUK LING (MY)
TAN MEI CHING (MY)
CHE PA NASRUL FIKRY (MY)
YUSOF YUS ANIZA (MY)
TAN MEI CHING (MY)
CHE PA NASRUL FIKRY (MY)
YUSOF YUS ANIZA (MY)
Application Number:
PCT/MY2011/000223
Publication Date:
November 01, 2012
Filing Date:
October 05, 2011
Export Citation:
Assignee:
UNIV PUTRA MALAYSIA (MY)
CHIN NYUK LING (MY)
TAN MEI CHING (MY)
CHE PA NASRUL FIKRY (MY)
YUSOF YUS ANIZA (MY)
CHIN NYUK LING (MY)
TAN MEI CHING (MY)
CHE PA NASRUL FIKRY (MY)
YUSOF YUS ANIZA (MY)
International Classes:
A21D6/00; A21C9/00; A21C14/00; A21D8/02
Attorney, Agent or Firm:
ABDULLAH, Mohd Bustaman (Lot C9-3 Jalan Selaman 1Dataran Palma, Ampang, Selangor, MY)
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