F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
251/14, 162/28,
F16K 31/00 (2006.01) F16K 51/02 (2006.01) F16L 27/087 (2006.01) F17C 13/00 (2006.01) H02K 55/04 (2006.01)
Patent
CA 1086291
ABSTRACT OF THE DISCLOSURE A device for maintaining a vacuum in a compartment of a rotating member includes a collector which is mounted over an orifice of the rotating member. The collector has an end wall with an annular aperture extending axially of the rotating member. The aperture is selectively sealed by an annular valve member which permits communication of the compart- ment with a high-vacuum pump. The valve member may be of a magnetizable material and may be moved axially by a fixed control coil. Sealing members are provided for sealing the compartment of the rotating member with respect to a fixed member when the compartment is in communication with the vacuum pump.
298315
Bbc Brown Boveri & Cie
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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