FIELD: gas heating devices. SUBSTANCE: electric heater has box-shaped housing 1 in which detachable interchangeable frame-shaped holders are mounted across flow section. Secured in each holder is one flat heat-liberating assemblage formed by electric heating element 5 which is connected to terminals 3 of front panel 2. Electric heating element 5 is arranged in zigzag tubular coil 6 mounted in middle plane of holder with coil 6 shifted by half pitch towards one of lateral walls of holder. Each subsequent holder is turned by 180 deg. to longitudinal axis as compared with previous one; holder position retainers 7 are located on walls of housing 1. EFFECT: enhanced reliability. 2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PROCESS OF MANUFACTURE OF SEMICONDUCTOR DEVICE | 1990 |
|
RU2037910C1 |
| ELECTRIC SOLDERING IRON | 1991 |
|
RU2023553C1 |
| LIQUID CRYSTAL DIAPHRAGM FOR OPTICAL SYSTEMS | 1992 |
|
RU2046391C1 |
| DEVICE FOR THROWING RODENTS INTO TRAP | 1992 |
|
RU2040178C1 |
| NUCLEAR JET ENGINE | 1993 |
|
RU2072568C1 |
| MATERIAL TO TRANSFER CLEAR PETROREFLECTOR FILM WITH LATENT IMAGE TO PAPER SUBSTRATE | 1996 |
|
RU2098852C1 |
| COMPOSITION FOR PROTECTION OF GLASSES AGAINST SWEATING AND METHOD FOR ITS PRODUCTION | 1995 |
|
RU2083629C1 |
| METHOD OF MANUFACTURING COLORLESS SYNTHETIC FIBERS FOR ADULTERATION PROTECTION OF PAPER | 1994 |
|
RU2080428C1 |
| PISTON ENGINE | 1990 |
|
RU2008477C1 |
| STAIRCASE LIFT FOR INVALID PERSONS | 1997 |
|
RU2116238C1 |
