Power plants – Pressure fluid source and motor – Pulsator
Reexamination Certificate
2006-02-07
2008-11-25
Lazo, Thomas E (Department: 3745)
Power plants
Pressure fluid source and motor
Pulsator
C091S00400R, C623S026000
Reexamination Certificate
active
07454909
ABSTRACT:
An impedance shaping element (or more simply, an impedance shaper) physically alters or shapes the mechanical impedance of a drive system as it appears from an interface and facilitates use of feedback control to improve performance by altering or shaping a dynamic coupling between an interface and a control system. For example, the impedance shaper can be used to adjust a coupling value from a first value to a second different value. In one embodiment, an impedance shaper controls the compliance, damping and inertia characteristics of fluid within a fluid path.
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Buerger Stephen P.
Hogan Neville
Daly, Crowley & Mofford & Durkee, LLP
Lazo Thomas E
Massachusetts Institute of Technology
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