MULTI-STAGE FLUIDIC OSCILLATOR WITH VARIABLE FREQUENCY ASSEMBLY AND METHOD
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United States of America Patent
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Issued Date -
Jun 8, 2023
app pub date -
Dec 7, 2022
filing date -
Dec 7, 2021
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Abstract
A multi-stage fluidic oscillating circuit and system can produce an output spray of selectively varying frequency, even though the fluid supplied to the circuit/system is maintained at a substantially constant pressure. The circuit is characterized by two successive stages, each having a power nozzle aligned around a central axis. Upstream and downstream inertance loops are included in each of the stages, with fluid from one of these loops being selectively released to affect the frequency change in the output spray. The circuit is also characterized by a splitter and optional dog ear style protrusions formed in the outlet of the circuit.
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