H - Electricity – 02 – K
Patent
H - Electricity
02
K
310/134
H02K 5/00 (2006.01) H02K 1/18 (2006.01)
Patent
CA 2001909
ABSTRACT OF THE DISCLOSURE A spring support system for supporting a stator core (2) in a frame of an electrical machine, the cone (2) having a longitudinal axis and an outer periphery provided with a plurality of circumferentially spaced, axially extending dovetail grooves (6), and the frame including a plurality of circular flanges (32) which surround the core (2) when the core (2) is installed in the frame, the system including: a plurality of key bars (8) each having a portion formed to mate with a respective dovetail groove (6) and each seated in a respective groove (6) of the core (2); a plurality of spring bars (34) each extending parallel to a respective key bar (8) and each secured to the flanges (32); a plurality of key blocks (20) for securing the key bars (8) to the spring bars (34); and fastening elements (26,40) mechanically fastening each key block (20) to a respective key bar (8) and to a respective spring bar (34) at a location between two axially adjacent flanges (32). The core may be assembled outside of the frame in a stacking fixture composed of: a cylindrical support structure (60) enclosing a region for receiving the core laminations(4); a plurality of stacking keys (78) each extending parallel to the axial dimension of the support structure and each located to engage a respective groove (6); and brackets (72) supporting each stacking key (78) from the support structure; wherein the stacking keys (78) are configured to engage respective grooves (6) by radial movement of the lamination elements relative to the stacking keys (78).
Cooper Glenn Douglas
Detinko Felix Moses
Levino Andre John
Singh Gurdev
Bereskin & Parr
Westinghouse Electric Corporation
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