Roots blower
AssigneeOgura Clutch Co., Ltd.
InventorsTatsuya YAGI, Keisuke HOSHINO, Koki HIRATSUKA
Life of this patent
Estimating the term…
Abstract
A roots blower includes driving and driven rotors that rotate while intermeshing with each other, driving and driven shafts fixed at the shaft centers of the driving and driven rotors, respectively, a driving gear attached to the end of the driving shaft, a driven gear that is attached to the end of the driven shaft and intermeshes with the driving gear, a rotor chamber that houses the driving and driven rotors, a gear chamber that houses the driving and driven gears, and driving and driven bearings that rotatably support the driving and driven shafts, respectively. The driving and driven gears are lubricated by a grease.
Claims10
A roots blower comprising:
- a driving rotor and a driven rotor configured to rotate while intermeshing with each other;
- a driving shaft that is fixed at a shaft center of the driving rotor and includes a first end and a second end, a driving force being applied to the first end;
- a driven shaft that is fixed at a shaft center of the driven rotor and includes a third end and a fourth end;
- a driving gear attached to the second end of the driving shaft;
- a driven gear that is attached to the fourth end of the driven shaft and configured to intermesh with the driving gear;
- a housing including a rotor chamber configured to house the driving rotor and the driven rotor, and a gear chamber configured to house the driving gear and the driven gear;
- a driving bearing that is provided in the housing and configured to rotatably support the driving shaft;
- and
- a driven bearing that is provided in the housing and configured to rotatably support the driven shaft,
- wherein the driving gear and the driven gear are lubricated by a grease.
Dependencies are inferred from the claim text.