| 摘要 |
PCT No. PCT/GB94/02760 Sec. 371 Date Jun. 17, 1996 Sec. 102(e) Date Jun. 17, 1996 PCT Filed Dec. 19, 1994 PCT Pub. No. WO95/16807 PCT Pub. Date Jun. 22, 1995An apparatus for use in de-oiling components comprises a furnace (10) for receiving components to be de-oiled and pumps (12, 14, 16) for creating a vacuum in the furnace. At least one of the pumps is a liquid ring pump. Oil is utilised to form the liquid ring and the oil is selected to be compatable with or the same as the oil to be removed from the contaminated components.
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