Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Reexamination Certificate
2006-05-02
2006-05-02
Kramer, Devon C. (Department: 3683)
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
C267S141600, C267S141400
Reexamination Certificate
active
07036804
ABSTRACT:
A hydraulic mount having first and second fluid tracks, and a decoupler functioning as an air spring with two remotely selectable settings. The settings allow tailoring of the air spring characteristics to provide mount damping for differing engine operating states, such as engine idle. A solenoid is used to select a smaller or larger air volume to control the characteristics of the air spring and, in turn, the dynamic response of the hydraulic mount. An integral controller provides switched operation of the solenoid and compensates for variations in temperature and input voltage, as well as minimizing electrical noise generated by the solenoid when it is energized.
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Beer Ronald
Bodie Mark O.
Fedders Brandon
Heaston Bruce A.
Long Mark W.
Delphi Technologies Inc.
Kramer Devon C.
Smith Michael D.
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