GB694763A - Defrosting means for refrigerating systems - Google Patents
Defrosting means for refrigerating systemsInfo
- Publication number
- GB694763A GB694763A GB2191151A GB2191151A GB694763A GB 694763 A GB694763 A GB 694763A GB 2191151 A GB2191151 A GB 2191151A GB 2191151 A GB2191151 A GB 2191151A GB 694763 A GB694763 A GB 694763A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contacts
- evaporator
- defrosting
- supply
- refrigerating
- Prior art date
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
Abstract
694,763. Refrigerating. HILL & CO., Inc., C. V. Sept. 18, 1951, No. 21911/51. Class 29 The supply of heat for defrosting the evaporator 10 of a refrigerating system is controlled by a timer 24 the contacts 26 of which are connected in series with contacts 34 which open and close in response to a condition of the system in such a way as to terminate and restart the supply of heat during the time the contacts 26 are closed, so that the temperature during defrosting does not exceed a predetermined maximum. As shown, the contacts 26, when closed, energize a solenoid 28 which then opens a valve 40 to supply hot gas to the evaporator 10 from the compressor 2. The contacts 34 are actuated either by a bellows 48 responsive to pressure in the outlet pipe 18 of the evaporator or by a thermostat responsive to the temperature of the evaporator or of the refrigerated space. The bellows 48 can be adjusted by a screw 50. The control system may be applied to apparatus using electric heaters to effect defrosting. Specification 630,579 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2191151A GB694763A (en) | 1951-09-18 | 1951-09-18 | Defrosting means for refrigerating systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2191151A GB694763A (en) | 1951-09-18 | 1951-09-18 | Defrosting means for refrigerating systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB694763A true GB694763A (en) | 1953-07-29 |
Family
ID=10170870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2191151A Expired GB694763A (en) | 1951-09-18 | 1951-09-18 | Defrosting means for refrigerating systems |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB694763A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2460458A1 (en) * | 1979-06-28 | 1981-01-23 | Teknoterm Systems Ab | HEAT PUMP AND METHOD FOR DEFROSTING IT |
| US11549734B2 (en) | 2018-06-22 | 2023-01-10 | Danfoss A/S | Method for terminating defrosting of an evaporator by use of air temperature measurements |
-
1951
- 1951-09-18 GB GB2191151A patent/GB694763A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2460458A1 (en) * | 1979-06-28 | 1981-01-23 | Teknoterm Systems Ab | HEAT PUMP AND METHOD FOR DEFROSTING IT |
| US11549734B2 (en) | 2018-06-22 | 2023-01-10 | Danfoss A/S | Method for terminating defrosting of an evaporator by use of air temperature measurements |
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