发明授权
- 专利标题: Apparatus for controlling gas flows in vacuum furnaces
- 专利标题(中): 用于控制真空炉中气体流量的装置
-
申请号: US501103申请日: 1990-03-29
-
公开(公告)号: US5035611A公开(公告)日: 1991-07-30
- 发明人: Karlheinz Neubecker , Cordt Rohde , Gerhard Welzig
- 申请人: Karlheinz Neubecker , Cordt Rohde , Gerhard Welzig
- 申请人地址: DEX Frankfurt
- 专利权人: Degussa Aktiengesellschaft
- 当前专利权人: Degussa Aktiengesellschaft
- 当前专利权人地址: DEX Frankfurt
- 优先权: DEX3910234 19890330
- 主分类号: F27B5/05
- IPC分类号: F27B5/05 ; C21D1/76 ; C21D1/767 ; C21D1/773 ; F27B5/06 ; F27B5/14 ; F27B5/16 ; F27D7/04
摘要:
Two concentric and relatively displaceable cylinders mounted on the center axis of a vacuum furnace between its load chamber and its blower serve to control the gas flows in said furnace, where said gas flows are used to heat and cool the load portions.
公开/授权文献
- US5863720A One-pot assay 公开/授权日:1999-01-26
信息查询