Active cancellation of a pulsating flow with a source noise reference
US10431197B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 4, 2016 |
| Grant date | Oct 1, 2019 |
| Priority date | — |
| Expiry date | Oct 5, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K2210/121
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electronics for active cancellation of a pulsating flow with a source noise reference. The electronics includes a signal processor configured to receive a noise source signal and a flow signal. The signal processor is also configured to generate a cancelling signal based on the noise source signal and the flow signal. A controller is communicatively coupled to the signal processor, and configured to determine a flow rate control signal for controlling the flow rate of the pulsating flow. A signal generator coupled to the signal processor and the controller is configured to receive the flow rate control signal, generate a valve signal based on the flow rate control signal and the cancelling signal, and provide the valve signal to a valve to control the flow rate and attenuate the one or more pulses of the pulsating flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.