Title:
COOLING, HEATING AND HOT WATER FEEDING HEAT SOURCE MACHINE
Document Type and Number:
Japanese Patent JP2001296058
Kind Code:
A
Abstract:
To provide an explosion-proof structure using ignitable gas as refrigerant in a cooling, heating and hot water feeding heat source machine in which a freezing cycle or a heat pump cycle is applied.
An explosion-proof type radiation fan is used as a radiation fan for an air heat exchanger, wherein it is also acted as a blower for fulfilling a dilution type inner pressure explosion-proof structure, a central drain pan and a lower drain pan are provided with aeration ports or openings to cause fresh air to be always flowed from surrounding atmosphere into a casing.
Inventors:
SHIBA YOSHITOMI
SHIBA YOSHIRO
CHO NOBUAKI
WATANABE SUMIO
SHIBA YOSHIRO
CHO NOBUAKI
WATANABE SUMIO
Application Number:
JP2000110246A
Publication Date:
October 26, 2001
Filing Date:
April 12, 2000
Export Citation:
Assignee:
ZENERAL HEAT PUMP KOGYO KK
CHUBU ELECTRIC POWER
CHUBU ELECTRIC POWER
International Classes:
F24H1/00; F24F5/00; F25B30/02; (IPC1-7): F24H1/00; F24F5/00; F25B30/02
Domestic Patent References:
| JPH0861702A | 1996-03-08 | |||
| JPH10325654A | 1998-12-08 | |||
| JPS6134022U | 1986-03-01 | |||
| JPS63129137U | 1988-08-24 |