Fluid handling – Systems – Multi-way valve unit
Reexamination Certificate
2008-08-22
2011-12-27
Bastianelli, John (Department: 3753)
Fluid handling
Systems
Multi-way valve unit
C137S625680, C137S625690, C251S129060
Reexamination Certificate
active
08082952
ABSTRACT:
A valve assembly includes a valve housing. A valve body is movable within the housing. The valve body has a land to selectively block or communicate a supply port to an outlet. A piezoelectric bending element actuator moves the valve body to selectively communicate the supply port to the outlet port.
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Piezo Systems, Inc.—Catalog #7B, 2007, p. 53, “Standard 4-Layer Elements”. See also www.piezo.com.
Bastianelli John
Carlson & Gaskey & Olds PC
Hamilton Sundstrand Corporation
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