Fluid handling – Systems – Supply and exhaust
Reexamination Certificate
2008-05-06
2008-05-06
Rivell, John (Department: 3753)
Fluid handling
Systems
Supply and exhaust
C137S595000, C137S596100, C137S597000, C251S239000
Reexamination Certificate
active
07367355
ABSTRACT:
A twin manifold seat valve comprising at least two closure members S1, S2, S3each functionally associated with at least one valve seat D1, D2, D3, D4. At least one of the closure members is moved to a blocking position with predetermined blocking force at the valve seat upon energization of a solenoid and counter to the force of a spring22, 7. A single common solenoid M is functionally associated to both closure members S1, S2, S3by two pivotably supported reduction levers U1, U2. The armature2of the solenoid actuates both reduction levers U1, U2. The closure members are located on the same side of the pivot support of the reduction levers. A spring member is integrated into at least one of the reduction levers. The solenoid armature deforms the spring members to generate the closure member blocking force by moving the closure members into contact with their respective seats.
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European Search Report for German Patent Application No. DE 02004002268, dated Sep. 16, 2004.
Cook Alex McFarron Manzo Cummings & Mehler, Ltd.
Hawe Hydraulik GmbH & Co. KG
Price Craig
Rivell John
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