Isobaric device with rotating electrical contacts

Details Isobaric device with rotating electrical contacts Isobaric device with rotating electrical contacts

1975-09-15

1976-08-03

Lake, Roy

Geometrical instruments

339 8L, 339117R, H01R 3900

Patent

active

039725774

ABSTRACT:
An isobaric device housing rotating electrical contacts, including a wateight housing filled with an electrically insulating liquid at a pressure which is substantially the same as the pressure of the environment in which the device is to be used, and one or more rotating electrical contacts formed by concentric conductive collars located between pairs of insulating rings, which rings are separated and sealed by sealing joints of elastomeric material, the space defined between said rings, collars and sealing joints being filled with an electrically conductive liquid, and washers on each outer end of the contact structure limiting axial movement of the sealing joints which joints also transmit pressure. A plurality of such contact structures may be stacked together on a common shaft thereby forming a multi-contact device. A process for manufacturing such contacts is also disclosed.

REFERENCES:
patent: 3295091 (1966-12-01), Mossin

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