Apparatus for circulating cooling and lubricating liquids and th

Details Apparatus for circulating cooling and lubricating liquids and th Apparatus for circulating cooling and lubricating liquids and th

1974-03-25

1976-11-02

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 63, 310 78, H02K 1100

Patent

active

039899667

ABSTRACT:
A pump for circulating cooling and lubricating liquid is driven by a motor which comprises a central rotor; a tubular housing coaxially surrounding the rotor and normally filled by the cooling and lubricating liquid; and a stator coaxially surrounding this tubular housing. Heating elements are provided between the coil ends of the stator and the tubular housing for heating the liquid in this housing, during or after a shutdown of the motor, when the liquid is likely to have congealed or at least to have become viscous.

REFERENCES:
patent: 1475389 (1923-11-01), Hyatt
patent: 1700840 (1929-02-01), Gay
patent: 1739137 (1929-12-01), Gay
patent: 2004777 (1935-06-01), Bassler
patent: 2451124 (1948-10-01), Smith
patent: 2552169 (1951-05-01), Graham
patent: 2711473 (1955-06-01), Mahaffy
patent: 2738409 (1956-03-01), Bowman
patent: 2967269 (1961-01-01), Vaughan
patent: 2994472 (1961-08-01), Botje
patent: 3318253 (1967-05-01), Campolong
patent: 3395644 (1968-08-01), Grebel
patent: 3652881 (1972-03-01), Albright
patent: 3801843 (1974-04-01), Corman

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