Title:
潤滑流体封止装置及びそのような装置を装備する遠心分離要素を含むドライ真空ポンプ
Document Type and Number:
Japanese Patent JP5037688
Kind Code:
B2
Abstract:
The invention pertains to a dry vacuum pump comprising at least one rotating shaft (11) mounted on at least one lubricated bearing (5) and at least one sealing device (9) for sealing off lubricating fluids capable of entering the shaft passage from said bearing (5), said sealing device (9) being installed between the lubricated bearing (5) and a dry pumping stage (7), characterized in that said sealing device (9) comprises a centrifuge element (17) designed to rotate in unison on said shaft (11) and comprising at least one through line (19) capable of separating the lubricating fluids from the fluid that may travel from said bearing (5) to the dry pumping stage (7).
Inventors:
Quacard, Albert
François, Hause
François, Hause
Application Number:
JP2010521367A
Publication Date:
October 03, 2012
Filing Date:
June 16, 2008
Export Citation:
Assignee:
Alcatel-Lucent
International Classes:
F04C29/02; F04C25/02; F04C27/00
Domestic Patent References:
| JP2003021088A | ||||
| JP29005409B1 |
Attorney, Agent or Firm:
Okabe
Masao Okabe
Nobuaki Kato
Asahi Shinmitsu
Katsumi Miyama
Masao Okabe
Nobuaki Kato
Asahi Shinmitsu
Katsumi Miyama