Hot air blowers
Hot air circulation blowers are designed for the Depending on the measures taken for thermal
special requirements in circulating hot air, e.g. in insulation between motor and impeller and the
ovens, climate cabinets, sterilisation units, meal impeller material, circulation temperatures of up
and dish warmers and similar appliances. to approx. 250° C, temporarily even up to 500° C
(e.g. for pyrolytic self-cleaning processes in
The basic design comprises a shaded pole ovens) can be managed.
motor mounted outside the hot area using spe-
cial mounting plates and a radial impeller made The standard types described below are only a
of FAL sheet steel, stainless steel or die-cast selection taken from the wide range of possibili-
aluminium, which operates within the high tem- ties. The circulation capacities they can achieve
perature zone. depend to a large extent, on the mounting situa-
Equipment for generating hot air is not supplied tions, i.e. the specified values for air flow, pres-
by ebm-papst and may, e.g., take the form of a sure and speed are only general benchmark
ring heater mounted around the hot air impeller. figures in typical mounting conditions.
For serial use, motor rating, mounting, shaft
Depending on the type or requirements, sintered length and impeller can be adjusted to suit
sleeve bearings with high temperature-resistant specific requirements.
lubricant or ball bearings may be used.
The maximum permissible bearing temperature
is 120° C.
Versions with sleeve bearings may only be used
with a horizontal shaft, but any shaft position is
possible if ball bearings are used.
The winding complies with insulation class H
(EN60335).
92
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52 |
Page 53 |
Page 54 |
Page 55 |
Page 56 |
Page 57 |
Page 58 |
Page 59 |
Page 60 |
Page 61 |
Page 62 |
Page 63 |
Page 64 |
Page 65 |
Page 66 |
Page 67 |
Page 68 |
Page 69 |
Page 70 |
Page 71 |
Page 72 |
Page 73 |
Page 74 |
Page 75 |
Page 76 |
Page 77 |
Page 78 |
Page 79 |
Page 80 |
Page 81 |
Page 82 |
Page 83 |
Page 84 |
Page 85 |
Page 86 |
Page 87 |
Page 88 |
Page 89 |
Page 90 |
Page 91 |
Page 92 |
Page 93 |
Page 94 |
Page 95 |
Page 96 |
Page 97 |
Page 98 |
Page 99 |
Page 100 |
Page 101 |
Page 102 |
Page 103 |
Page 104 |
Page 105 |
Page 106 |
Page 107 |
Page 108 |
Page 109 |
Page 110 |
Page 111 |
Page 112 |
Page 113 |
Page 114 |
Page 115 |
Page 116 |
Page 117 |
Page 118 |
Page 119 |
Page 120