A COMBINED NOISE REDUCTION AND TORQUE ENHANCEMENT SYSTEM FOR AN I.C. ENGINE

A plug 4 which may take various forms (Figs. 4 to 6) affects inlet or exhaust flow. The plug 4 is kept stationary or is oscillated by a mechanical engine drive or by a controller 6 in response to a signal from a microphone 10 in order to achieve torque increase and silencing.

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Bibliographische Detailangaben
Hauptverfasser: STEPHEN MARK HUTCHINS, IAN STOTHERS, NEIL MALCOLM MCDOUGALL
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A plug 4 which may take various forms (Figs. 4 to 6) affects inlet or exhaust flow. The plug 4 is kept stationary or is oscillated by a mechanical engine drive or by a controller 6 in response to a signal from a microphone 10 in order to achieve torque increase and silencing.