| The perfect description of the dental air compressor | | | | A secondary problem with respect to the dental air |
| Disclosed is a combined water ring vacuum pump and | | | | compressors generally is the difficulty in adjusting the |
| dental air compressor, both mounted in a single cabinet. | | | | tension of the drive belts connecting the drive motor to |
| The vacuum pump is mounted in the base of the | | | | the compressor. |
| cabinet, the dental compressor is mounted on a | | | | The present invention overcomes the disadvantages |
| vibration insulated platform suspended from the top of | | | | of the prior art by combining a water ring vacuum |
| the cabinet and the compressor drive motor is | | | | pump, a compressor and a compressed air storage |
| attached to the underside of the support platform. | | | | tank in a single cabinet, which occupies a minimum of |
| BACKGROUND OF THE INVENTION | | | | floor space. To economize on floor space, the vacuum |
| The present invention relates to apparatus for use in | | | | pump, compressor drive motor, and dental chairs are |
| dental offices and the like, namely a single | | | | all arranged one above the other in the cabinet. |
| self-contained unit providing both the vacuum and | | | | SUMMARY OF THE INVENTION |
| compressed air needs of the dental office.Heretofore, | | | | The present invention can be characterized in one |
| compressors and vacuum pumps required by the | | | | aspect thereof by a generally upright cabinet, having a |
| dental practitioner were usually purchased separately | | | | water ring vacuum pump mounted in the base thereof |
| and installed in some out of the way location such as | | | | and a compressor mounted on a platform suspended |
| a basement. Suitable utility lines then connected the | | | | from adjacent the top of the cabinet. The platform |
| dental compressors and vacuum pump to one or | | | | suspension is not rigid and is therefore able to absorb |
| more dental operatories. | | | | the vibrations produced by the compressor. The |
| The vibration noise of the compressor was particularly | | | | compressor drive motor is mounted to the underside |
| a problem, requiring that the compressor be installed | | | | of the platform on means for moving the motor with |
| outside of the dental laboratory. Vibration noises of the | | | | respect to the platform to adjust the tension in the |
| vacuum pump, particularly of the water ring pump, are | | | | compressor drive belts. The water used to operate |
| minimal, but the floor space requirements of separate | | | | the water ring vacuum pump is circulated first through |
| compressor and vacuum pump apparatus dictated the | | | | a heat exchanger adjacent the outlet of the |
| necessity of installing these components outside of the | | | | compressor and then through the water ring vacuum |
| confines of the dental laboratory, where floor space is | | | | pump. |
| at a premium. | | | | |