VIBRATION CANCELLATION FOR PERSONAL CARE DEVICE

VIBRATION CANCELLATION FOR PERSONAL CARE DEVICE

A personal care cleaning device (10) including a housing (12), a resonant drive actuator (20), which includes a rotor (24) having a first moment of inertia (Jr) and a stator (22) having a second moment of inertia (Js); a first plurality of leaf spring elements (60) having a first spring constant (kr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BOSMAN, Franciscus, Jozef, BAX, Pieter, Johannes
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
BLASTING
DENTISTRY
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HUMAN NECESSITIES
HYGIENE
LIGHTING
MEANS FOR DAMPING VIBRATION
MECHANICAL ENGINEERING
MEDICAL OR VETERINARY SCIENCE
SHOCK-ABSORBERS
SPRINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Beschreibung
Zusammenfassung:A personal care cleaning device (10) including a housing (12), a resonant drive actuator (20), which includes a rotor (24) having a first moment of inertia (Jr) and a stator (22) having a second moment of inertia (Js); a first plurality of leaf spring elements (60) having a first spring constant (krh), each leaf spring element of the first plurality of leaf spring elements (60) being connected the housing (12) and to the rotor (24) such that each leaf spring element of the first plurality of leaf springs elements (60) extends radially from the rotor (24) to the housing (12), each leaf spring element of the second plurality of leaf spring elements (62) being connected to the housing (12) and engaging with the stator (22), wherein the ratio of the first (krh) and second (ksh) spring constants is sufficiently similar to the ratio of the first (Jr) and second moments (Js) of inertia such that there is substantially no resulting torque transmitted to the housing (12) during operation.