Motor vehicle heater or air-conditioner with filters - which have walls rotating about axis of motor-driven fan and connected by sleeves to housing

摘要

The air pulsator mounted behind and above the engine has a casing (24) of variable axial width with air inlets perpendicular to the axis (25) of rotation of the fan (43) and its driving motor (44). An air filter (26) in a conical housing at each end is mounted in an annular collar (29) with a sleeve (31) of circular cross-section and a seal (45). The head of the screw securing the sleeve (31) lies on the outside of the filter base (28). ADVANTAGE - Filter is easily accessible for replacement when satd. or exhausted.