JPS5444131B2 - - Google Patents
Info
- Publication number
- JPS5444131B2 JPS5444131B2 JP15533675A JP15533675A JPS5444131B2 JP S5444131 B2 JPS5444131 B2 JP S5444131B2 JP 15533675 A JP15533675 A JP 15533675A JP 15533675 A JP15533675 A JP 15533675A JP S5444131 B2 JPS5444131 B2 JP S5444131B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/11—Sensor to detect if defrost is necessary
- F25B2700/111—Sensor to detect if defrost is necessary using an emitter and receiver, e.g. sensing by emitting light or other radiation and receiving reflection by a sensor
Landscapes
- Defrosting Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15533675A JPS5278149A (en) | 1975-12-24 | 1975-12-24 | Temperature controller of external air heat exchanger in heat pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15533675A JPS5278149A (en) | 1975-12-24 | 1975-12-24 | Temperature controller of external air heat exchanger in heat pump |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5278149A JPS5278149A (en) | 1977-07-01 |
JPS5444131B2 true JPS5444131B2 (ja) | 1979-12-24 |
Family
ID=15603653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15533675A Granted JPS5278149A (en) | 1975-12-24 | 1975-12-24 | Temperature controller of external air heat exchanger in heat pump |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5278149A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0211857Y2 (ja) * | 1985-05-07 | 1990-04-03 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49128349A (ja) * | 1973-04-11 | 1974-12-09 |
-
1975
- 1975-12-24 JP JP15533675A patent/JPS5278149A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49128349A (ja) * | 1973-04-11 | 1974-12-09 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0211857Y2 (ja) * | 1985-05-07 | 1990-04-03 |
Also Published As
Publication number | Publication date |
---|---|
JPS5278149A (en) | 1977-07-01 |