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US 7,598,820 B2Granted
Magnetic drive for high and low temperature mechanical oscillators used in sensor applications
AssigneeExxonMobil Research and Engineering Company
InventorsManuel S. Alvarez, Henry Alan Wolf, Martin Mellert, Josef Fehrenbach
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Abstract
A magnetic drive and mechanical oscillator system comprising a mechanical oscillator, a coil, a means for providing alternating current to said coil thereby creating a magnetic field within and about the coil, said means including an on-off means and a ferromagnetic material in communication with the diaphragm of the mechanical oscillator and the coil.
Claims13
A magnetic drive and mechanical oscillator system comprising
- a) a mechanical oscillator
- b) a coil
- c) a means for providing alternating current to said coil thereby creating a magnetic field within and about the coil,
- d) a ferromagnetic material fixed to said mechanical oscillator in communication with the diaphragm of the oscillator and the coil.
1 more element
Dependencies are inferred from the claim text.