B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
299/14, 349/49,
B05B 17/06 (2006.01) B06B 1/02 (2006.01)
Patent
CA 1150391
Abstract of the Disclosure: The oscillation generator includes an oscillator circuit, a push- pull amplifier with inductive positive feedback connected in the circuit, a piezoceramic atomizer vibrator element, and a load- dependent regenerative feedback coupling connected to the circuit. The coupling is in the form of a tuneable frequency-selective sensor, such as a parallel resonance circuit, having outputs con- nected to the inputs of the amplifier. A positive feedback trans- former may be connected to the output of the amplifier and to a selective circuit which includes the vibrator element and a re- sonance circuit and which is connected in series with the parallel resonance circuit. The amplifier may be a differential, transistor amplifier. The oscillation generator is used in inhalators, fuel atomizers, humidifiers and ink atomizers, etc. As compared to prior art devices, the invention uses fewer parts, and is less affected by load changes, so that it will start reliably and will only operate at the atomizer resonance.
346079
Bosch-Siemens Hausgerate G.m.b.h.
Fetherstonhaugh & Co.
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