Simplified wheel speed transducer

Details Simplified wheel speed transducer Simplified wheel speed transducer

1975-05-02

1976-10-12

Segal, Robert

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

310155, 310168, G01P 348, H02K 1742

Patent

active

039861180

ABSTRACT:
A wheel speed transducer for sensing the rotational speed of a wheel about an axle which fundamentally includes a housing fixed to the axle and containing therein two permanent magnets. The magnets are arranged such that an elongated pole piece commonly abuts first surfaces of each of the magnets, such surfaces being of like polarity. Two inductive coils having flux-conductive cores axially passing therethrough abut each of the magnets on second surfaces thereof, the second surfaces of the magnets again being of like polarity with respect to each other and of opposite polarity with respect to the first surfaces. There are further provided two additional pole pieces, one connected to the end of each of the cores opposite the ends of the cores which abut the magnets.

REFERENCES:
patent: 3473120 (1969-10-01), Ruof
patent: 3604965 (1971-09-01), Stroud
patent: 3678386 (1972-07-01), Miles
patent: 3870911 (1975-03-01), Toyama et al.

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