Rotary seal shaft rotation transducer

Details Rotary seal shaft rotation transducer Rotary seal shaft rotation transducer

1974-05-06

1976-03-02

Smith, Alfred E.

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

324175, G01P 348, G01P 336

Patent

active

039421120

ABSTRACT:
The invention relates to a device for signalling the rotational displacement or speed of a shaft provided with a rotary seal through which a gas or liquid is induced into a bore within the shaft. More particularly, the invention relates to a novel device in which the operative elements of a rotary seal and a rotational transducer are combined as a compact unitary assembly that is simple, reliable and easily serviced.

REFERENCES:
patent: 3622801 (1971-11-01), Stone
patent: 3710618 (1973-01-01), Pagel
patent: 3821896 (1974-07-01), Grob

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