| 摘要 |
FIELD: transport; car air conditioning system. SUBSTANCE: fan motor 1 of air temperature sensor is installed in car in housing 2 made of flexible material in form of cup with stiffening ribs on outside and provided with through holes for fastening the fan to base of sensor 5. Housing 2 is closed by gasket 7 made of flexible material and cover 8. Fan unit consisting of electric motor 1 placed in housing 2 and impeller 9 is secured on supports 10 of base of sensor 5. Hole 11 is made in base of sensor 5 opposite to fan impeller 9. Well 12 made of heat insulating material is installed in hole 11. Well 12 accommodates temperature sensitive element 13. Base of sensor 5 is covered by decorative panel 18 provided with through holes 20. Air from car interior is sucked by fan through holes 20 in to heat-insulating well 12 and is thrown out by impeller through delivery hole, formed by clearance between base of sensor 5, supports 10 and housing cover 8, into space between interior lining 19 and body panel 21. EFFECT: damping of noise produced by fan motor. 5 dwg |
