Title:
PROTECTIVE DEVICE FROM FREEZ DAMAGE FOR SOLAR HEATING DEVICE
Document Type and Number:
Japanese Patent JPS52133143
Kind Code:
A
Abstract:
PURPOSE: To prevent a body from damage caused from negative pressure on water head at freezing by further providing an air-escape pipe composed of pipes with high heat retaining property from the root of a hot water take pipe to the upside for an inclined-set solar heating device equipped with an air-pass pipe at the upper end and the hot water take pipe at the lower end.
Inventors:
IWATA HIDEO
Application Number:
JP5046376A
Publication Date:
November 08, 1977
Filing Date:
April 30, 1976
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
F24J2/40; (IPC1-7): F24J3/02