FIELD: heating devices. SUBSTANCE: heating device has supports, flat flexible electric heater mounted in the supports, the heater being provided with helical profiled surfaces along its longitudinal axis; mechanism for varying a rotation angle of the helical surfaces, the mechanism being located at the ends of the heater. EFFECT: enhanced efficiency due to directional convection of flows. 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| 0 |
|
SU1781028A1 | |
| PNEUMATIC GRIP | 0 |
|
SU1660958A1 |
| PNEUMATIC GRIP | 0 |
|
SU1660957A1 |
| DEVICE FOR TESTING SPECIMENS FOR FATIGUE UNDER CYCLIC BENDING WITH TENSION | 0 |
|
SU855431A1 |
| TRUST CHAIN AND METHOD OF ITS ASSEMBLING | 0 |
|
SU1793129A1 |
| ARRANGEMENT FOR FATIQUE BENDING TENSION TESTING OF FLEXIBLE SPECIMEN | 0 |
|
SU1226144A2 |
| DEVICE FOR TESTING CYLINDRICAL HINGES FOR CYCLIC TURN | 0 |
|
SU842472A1 |
| CRAWLER TRACK JOINT | 0 |
|
SU1710426A2 |
| FLEXIBLE ENDLESS TRACK | 0 |
|
SU695883A1 |
| APPARATUS FOR PRODUCING FOAMED MATERIALS | 0 |
|
SU887232A1 |
