Air core gauge with zero pointer return related application

Details Air core gauge with zero pointer return related application Air core gauge with zero pointer return related application

1987-01-27

1988-07-19

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With electromagnetic field

324140D, G01R 120, G01R 1102

Patent

active

047587849

ABSTRACT:
An air core gauge having orthogonally related coils that react with a rotor magnet to angularly position an indicating pointer, suitable for use as either a pressure,temperature, or fuel gauge. All-attitude pointer zero return is achieved with a stationary magnet, and voltage regulation is eliminated with a zener diode in series with one of the coils.

REFERENCES:
patent: 1783851 (1930-12-01), McCoy
patent: 2358910 (1944-09-01), Degiers
patent: 2425366 (1947-08-01), Degiers
patent: 3094659 (1963-06-01), Pfeffer
patent: 3168689 (1965-02-01), Gelenius
patent: 3460038 (1969-08-01), Ziegler
patent: 3500201 (1970-03-01), Mentzer
patent: 3624625 (1971-11-01), Stonestreet
patent: 3713024 (1973-01-01), Banus
patent: 4492920 (1985-01-01), Reenstra

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