Apparatus for mounting coils in stators of electric machines
Abstract
Abstract PREFABRICATED COILS FOR A STATOR OF AN ELECTRIC MACHINE ARE PLACED ON GUIDE NEEDLES EXTENDING IN PARALLEL RELATION TO EACH OTHER AND ARRANGED IN FORM OF NEEDLE CAGES ON TWO CONCENTRIC PITCH CIRCLES OF DIFFERENT DIAMETERS, THE PITCH CIRCLE DIAMETER OF THE OUTER NEEDLE CAGE WHICH ENCIRCLES THE INNER NEEDLE CAGE IN THE INITIAL POSITION IS GREATER THAN THE BORE DIAMETER OF THE STATOR WHILE THE DIAMETER OF THE CIRCLE CIRCUMSCRIBING THE INNER NEEDLE CAGE IS SMALLER THAN THE BORE DIAMETER OF THE STATOR, THE NEEDLE CAGES BE REMOVABLY GUIDED RELATIVE TO EACH OTHER AND ARE SHIFTABLE BY DRIVE MEANS COAXALLY TO THE AXIS OF SAID STATOR IN A DIRECTION TOWARDS THE STATOR BORE WHEREIN THE MOVEMENT OF THE OUTER NEEDLE CAGE IS LIMITED BY THE NEEDLES OF THE OUTER CAGE ENGAGING THE TEETH OF THE PACKAGE OF STATOR PLATES FORMED BY THE GROOVES WHEN THE INNER NEEDLE CAGE IS ENTERING THE STATOR BORE AND THEREBY DRAWING THE COILS IN AXIAL DIRECTION INTO THE STATOR GROOVES.
Inventors
- 👤 Karl-Heinz Wieckhorst
Bibliographic Details
Claims Analysis
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |