Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1976-04-05
1978-01-03
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 68R, H02K 900
Patent
active
040669211
ABSTRACT:
An exciter current lead-through bolt which is passed through a radial bore in the rotor shaft of a dynamo-electric machine, especially a turbo-generator, and screwed into an exciter-current lead-in conductor bar which lies in a longitudinally extending bore within the shaft. The radially outer part of the lead-through bolt is mechanically and electrically connected with a terminal conductor bar leading to the exciter winding located on the rotor. In order to reinforce the lead-through bolt and minimize the danger of breakage, a radially inwardly directed resilient force is applied to the outer end of the bolt. Provision is also made for internal as well as external cooling of the through-bolt by air which is taken in by respective air pick-up devices located on the surface of the shaft.
REFERENCES:
patent: 3145314 (1964-08-01), Becker
patent: 3353043 (1967-11-01), Albright
patent: 3457440 (1969-07-01), Horsley
patent: 3569752 (1971-03-01), Tomlinson
patent: 3686522 (1972-08-01), Konovalov
patent: 3718830 (1973-02-01), Philofsky
patent: 3733502 (1973-05-01), Curtis
patent: 3742266 (1973-06-01), Heller
patent: 3955111 (1974-05-01), Weghaupt
BBC Brown Boveri & Company Limited
Skudy R.
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