Title:
SCALE PREVENTION DEVICE
Document Type and Number:
Japanese Patent JP2010091121
Kind Code:
A
Abstract:
To prevent scale buildup on a heating section by transferring ultrasonic vibration to the heating section without thermally damaging an ultrasonic vibration means, in a scale prevention device of the heating section utilizing ultrasonic vibration.
A water level of a water tank 1 is lowered, and a gas such as the air is introduced between an installation section of the ultrasonic vibration means 9 and the heating section 2 during a heating operation of the heating section 2, thus transferring of heat from the heating section 2 to the ultrasonic vibration means 9 is suppressed, and the ultrasonic vibration means 9 is prevented from being thermally damaged.
Inventors:
NANBU KATSURA
FUKUMOTO MASAMI
FUKUMOTO MASAMI
Application Number:
JP2008258163A
Publication Date:
April 22, 2010
Filing Date:
October 03, 2008
Export Citation:
Assignee:
PANASONIC CORP
International Classes:
F28F19/01; B08B3/12; B08B9/023; C02F5/00; F28G7/00
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano