Claims
- 1. A system for cleaning articles with a carbon dioxide cleaning medium, comprising:a working vessel for supplying carbon dioxide cleaning medium; a wash tank for receiving carbon dioxide cleaning medium, said wash tank having a rotating basket disposed therein, said wash tank including a drain; a fill line connecting said working vessel to said wash tank; a drain line connected to said wash tank; a pump positioned on said drain line; a wash line connecting said pump to said wash tank for returning liquid carbon dioxide cleaning medium from said drain line through said pump and back to said wash tank; and a gas communication line connecting said working vessel to said wash tank.
- 2. An system according to claim 1, further comprising:a recapture line connecting said wash tank to said working vessel; and a compressor positioned on said recapture line for pumping carbon dioxide gas from said wash tank to said working vessel.
- 3. A system according to claim 1, further comprising:vent means connected to said wash tank for venting low pressure carbon dioxide gas therefrom.
- 4. A system according to claim 1, further comprising at least one filter positioned on said wash line.
- 5. A system according to claim 1, further comprising:a chiller operatively associated with said pump upstream of said pump; said drain line connecting said wash tank to said pump through said chiller.
Parent Case Info
This application is a continuation of commonly owned, application Ser. No. 09/233,534, filed Jan. 20, 1999, now U.S. Pat. No. 6,088,863 which is in turn a continuation of commonly owned, application Ser. No. 09/047,013, filed Mar, 24, 1998, now U.S. Pat. No. 6,098,430 the disclosures of both of which are incorporated by reference herein in their entirety.
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Continuations (2)
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Number |
Date |
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Parent |
09/233534 |
Jan 1999 |
US |
Child |
09/546044 |
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US |
Parent |
09/047013 |
Mar 1998 |
US |
Child |
09/233534 |
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US |