Electric air blower
AssigneePanasonic Corporation
InventorsHirofumi Mizukami, Tetsuo Shimasaki
Life of this patent
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Abstract
Fan (3) includes suction-side shroud (3a) and suction port (22) at the center portion of suction-side shroud (3a). Fan case (2) includes opening part (13) at a location facing suction port (22). Fan seal (4) is disposed between inner wall surface (2a) of fan case (2) and suction port-side end surface (3b) of suction-side shroud (3a). Opening part (13) includes a plurality of mushroom-shaped anchors (2b). Fan seal (4) includes holding parts (4b) that fit onto mushroom-shaped anchors (2b). Fan seal (4) is press-fitted onto fan case (2) that includes mushroom-shaped anchors (2b).
Claims7
An electric blower comprising:
- a field magnet held by a bracket;
- an armature including a pair of bearings at both ends of an armature shaft, and being supported by the pair of the bearings;
- a pair of brushes disposed in the bracket;
- a fan disposed on an output side of the armature shaft, and including:
- a suction-side shroud;
- and
- a suction port disposed in a center portion of the suction-side shroud;
- an air guide disposed on an exhaust side of the fan;
- a fan case covering the fan and the air guide, and including
- an opening part at a location facing the suction port;
- and
- a fan seal disposed between an inner wall surface of the fan case and a suction port-side end surface of the suction-side shroud, and including:
- an inner peripheral surface to face the inner wall surface;
- and
- an outer peripheral surface to face the suction port-side end surface,
- wherein the opening part includes a plurality of mushroom-shaped anchors, and the fan seal includes a holding part fitting onto the mushroom-shaped anchors.
Dependencies are inferred from the claim text.