公开(公告)号：FR2792773A1

公开(公告)日：2000-10-27

申请号：FR9905088

申请日：1999-04-22

Applicant: CIT ALCATEL

Inventor： PIERREJEAN DIDIER ,  GALLAND BRUNO

IPC: G01N27/62 ,  H01J27/04 ,  H01J37/063 ,  H01J37/073 ,  H01J49/10 ,  H01J49/14 ,  H01J49/40

Abstract: The mass spectrometer ion source has an electron gun (1) generating electrons (5) and forming an electron beam (7) towards a gas ionisation zone (16). Circular section microchannel sections (9,10) are placed in the electron beam, forming a pulsed electron beam of increased secondary electrons (12) from the original electron beam.

公开(公告)号：DE69508163D1

公开(公告)日：1999-04-15

申请号：DE69508163

申请日：1995-08-16

Applicant: CIT ALCATEL

Inventor： PERRILLAT-AMEDE DENIS ,  PIERREJEAN DIDIER ,  REVERDY FRANCOIS

IPC: F04D19/04 ,  F04D25/06

Abstract: The turbo-molecular vacuum pump includes a stator (6, 8) and a rotor (1), the rotor including a bell-type active part (3) and a central shaft (5). The stator comprises an external part (6) and an internal part (8) penetrating into the cavity (9) of the bell-shaped active part. The central shaft (5) and the active bell shape of the rotor are formed as a monoblock. The shaft (5) includes a central bore (13) in which is lodges the rotor part of the drive motor, consisting of a cylindrical permanent magnet.

公开(公告)号：FR2723767B1

公开(公告)日：1997-01-03

申请号：FR9410147

申请日：1994-08-19

Applicant: CIT ALCATEL

Inventor： PERRILLAT AMEDE DENIS ,  PIERREJEAN DIDIER ,  REVERDY FRANCOIS

IPC: F04D19/04 ,  F04D25/06

Abstract: The turbo-molecular vacuum pump includes a stator (6, 8) and a rotor (1), the rotor including a bell-type active part (3) and a central shaft (5). The stator comprises an external part (6) and an internal part (8) penetrating into the cavity (9) of the bell-shaped active part. The central shaft (5) and the active bell shape of the rotor are formed as a monoblock. The shaft (5) includes a central bore (13) in which is lodges the rotor part of the drive motor, consisting of a cylindrical permanent magnet.

公开(公告)号：AT110897T

公开(公告)日：1994-09-15

申请号：AT90122071

申请日：1990-11-19

Applicant: CIT ALCATEL

Inventor： PIERREJEAN DIDIER

IPC: F04D19/04 ,  F16C39/06 ,  G21C15/24 ,  H02J9/06 ,  H02K7/09 ,  H02P27/06

公开(公告)号：DE69101162T2

公开(公告)日：1994-06-01

申请号：DE69101162

申请日：1991-03-04

Applicant: CIT ALCATEL

Inventor： LEMARQUAND GUY ,  PERRILLAT-AMEDE DENIS ,  PIERREJEAN DIDIER

IPC: F04D19/04 ,  F04D29/02 ,  F16C39/06

公开(公告)号：ES2049998T3

公开(公告)日：1994-05-01

申请号：ES91103205

申请日：1991-03-04

Applicant: CIT ALCATEL

Inventor： LEMARQUAND GUY ,  PERRILLAT-AMEDE DENIS ,  PIERREJEAN DIDIER

IPC: F04D19/04 ,  F04D29/02 ,  F16C39/06