| 摘要 |
A hand held appliance such as a hairdryer comprises a body 12, a fluid flow path 20 extending through the body 12 from a first fluid inlet 12a to a first fluid outlet 12b. A further primary fluid flow path 30 extends from a second fluid inlet 30a through to a second fluid outlet 40. A heater 46 is provided in the primary fluid flow path 30 and has a length extending in an axial direction of the body 12. The heater is preferably annular or tubular in shape. Fluid flowing through the primary flow path 30, drawn by the fan 160, is heated by the heater 46. It then exits the annular outlet 12b and sucks fluid through the tubular housing 18 along the fluid flow path 20 through a process of entrainment. |
