Thrust bearing supporting device for an electric rotary machine
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorsKazunori Shibasaki, Kenji Sawatani
Life of this patent
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Abstract
A thrust bearing supporting device for an electric rotary machine comprises a plurality of supporting members fixed to a base plate within a bearing vessel for supporting a thrust bearing of said rotary machine, each of said supporting members consisting of a pair of supporting pieces, each of said supporting pieces having a recessed portion formed therein, wherein each of said supporting members is formed by placing one supporting piece on the other in face-to-face relationship thereby forming a space within each of said supporting members.
Claims8
A thrust bearing supporting device for an electric rotary machine, said device comprising:
- (a) a bearing vessel;
- (b) a plurality of thrust bearings disposed in said bearing vessel in position to support the shaft of an electric rotary machine;
- and
- (c) a plurality of supporting pieces disposed in said bearing vessel, at least one of said supporting pieces being disposed between each of said thrust bearings and an inner wall of said bearing vessel so as to transmit the thrusting force of the electric rotary machine to the inner wall of said bearing vessel, each of said plurality of supporting pieces being symmetric about an axis perpendicular to the associated one of said thrust bearings and comprising:
- (i) a first member having a cylindrical boss having a first flat, circular working surface bearing against the associated one of said thrust bearings, a hollow conical portion depending directly from said cylindrical boss, and a hollow cylindrical portion depending directly from said hollow conical portion, said hollow cylindrical portion terminating in a first flat, annular working surface, and;
- (ii) a second member having a cylindrical boss having a second flat, circular working surface bearing against the inner wall of said bearing vessel, a hollow conical portion depending directly from said cylindrical boss, and a hollow cylindrical portion depending directly from said hollow conical portion, said hollow cylindrical portion terminating in a second flat, annular working surface,
- (iii) the first flat, annular working surface on the hollow cylindrical portion of said first member bearing against the second flat, annular working surface on the hollow cylindrical portion of said second member.
Dependencies are inferred from the claim text.