Claims
- 1. An air compressor, comprising:
- a compressor unit;
- a drive unit having a drive shaft for driving said compressor unit;
- a circular cylindrical sound insulating box having a longitudinal axis extending parallel to said drive shaft, said box having an air inlet and an outlet and encasing said compressor and drive units;
- a fan mounted on said drive shaft and positioned eccentrically from said axis of said sound insulating box and sucking air axially from said air inlet to supply cooling air to the interior of said sound insulating box from the outer periphery thereof;
- a duct mounted in said sound insulating box at a position where an outer periphery of said fan most closely approaches an inner peripheral wall of said sound insulating box;
- an inlet of said duct opening between the outer periphery of said fan and inner peripheral wall of said sound insulating box;
- an outlet of said duct opening to the interior of at least one of said drive unit and said compressor unit; and
- a chamber providing communication between said drive unit and compressor unit.
- 2. The air compressor of claim 1, wherein said outlet of said duct opens toward both said drive unit and said chamber, allowing the introduction of cooling air from said chamber into said compressor unit.
Priority Claims (3)
Number |
Date |
Country |
Kind |
55-85431[U] |
Jun 1980 |
JPX |
|
55-149503 |
Oct 1980 |
JPX |
|
55-182564 |
Dec 1980 |
JPX |
|
Parent Case Info
This application is a continuation of application Ser. No. 272,266, filed June 10, 1981.
US Referenced Citations (3)
Continuations (1)
|
Number |
Date |
Country |
Parent |
272266 |
Jun 1981 |
|