| |
 |
|
|
Inventor: Abe; Masahiro
Address: Chiba, JP
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4483656 |
Vortex blower |
November 20, 1984 |
| A vortex blower having an impeller provided with an annular recess laterally opening around an axis of rotation, a casing disposed so as to face the impeller and cover a radially outer portion of the impeller, an arcuate recess formed around the rotation axis in a portion of the casing |
| 4412781 |
Vortex blower |
November 1, 1983 |
| A vortex blower including a casing, an annular air passageway defined in the casing, an impeller mounted for rotation in the casing, a partition wall, a suction port and a discharge port disposed on both sides of the partition wall and communicated with each other through the annular air |
| 4247246 |
Vortex blower |
January 27, 1981 |
| A vortex blower comprises a motor and an impeller directly connected to one end of a motor shaft and housed in an impeller housing. A part of the impeller housing is made of aluminium or aluminium-based alloy and includes an integral portion which serves as that end wall of the motor |
|
|
|
