Coupling for cryogenic liquid transfer into rotating apparatus

Details Coupling for cryogenic liquid transfer into rotating apparatus Coupling for cryogenic liquid transfer into rotating apparatus

1984-01-16

1984-12-18

Capossela, Ronald C.

Refrigeration

Low pressure cold trap process and apparatus

62505, 277203, 277215, 285 47, 285DIG5, 310 64, F17C 702

Patent

active

044884060

ABSTRACT:
A liquid coolant transfer device that has a stationary tube fit within a rotating conduit and a threaded throwback seal on the surface of the rotating element is further provided with a seal and bearing device in the form of a washer affixed to the conduit at the end of the threaded insert and extending across the gap between the rotating and stationary tubes for preventing liquid coolant flow therethrough even during severe flooding caused by faults within the electrical machine with which it is connected.

REFERENCES:
patent: 3626717 (1971-12-01), Lorch
patent: 3775989 (1973-12-01), Mursinna
patent: 3823569 (1974-07-01), Sellmaier et al.
patent: 3845639 (1974-11-01), Smith, Jr. et al.
patent: 3991588 (1976-11-01), Laskaris
patent: 4280071 (1981-07-01), Eckels
patent: 4356700 (1982-11-01), Eckels et al.

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