Fluent material handling – with receiver or receiver coacting mea – With signal – indicator – recorder – inspection means or exhibitor
Reexamination Certificate
2007-11-20
2007-11-20
Maust, Timothy L. (Department: 3751)
Fluent material handling, with receiver or receiver coacting mea
With signal, indicator, recorder, inspection means or exhibitor
C141S046000, C141S059000, C141S083000, C141S302000
Reexamination Certificate
active
10955298
ABSTRACT:
A valve assembly includes a housing having a valve seat defining at least part of a vent passage, a pressure responsive member carried by the housing and defining at least part of a pressure chamber, and a valve carried by the housing and having a closure movable relative to the valve seat between an open position permitting fluid flow through the vent passage and a closed position at least substantially restricting fluid flow through the vent passage. The closure is moved by the pressure responsive member in response to changes in pressure in the pressure chamber. A control passage communicates at one end with a pressure source and at its other end with the pressure chamber and an electrically operated valve is movable from a first position permitting a pressure signal to develop within the pressure chamber and a second position permitting pressure within the pressure chamber to vent.
REFERENCES:
patent: 5579802 (1996-12-01), Tuckey
patent: 5878725 (1999-03-01), Osterbrink
patent: 6145532 (2000-11-01), Tuckey et al.
patent: 6199574 (2001-03-01), Harris
patent: 6443190 (2002-09-01), Enge
patent: 6533002 (2003-03-01), Kobayashi et al.
Ferreria David M.
Forgue John R.
Johansen Mark R.
Maust Timothy L.
Reising Ethington Barnes Kisselle P.C.
TI Group Automotive Systems, L.L.C.
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