Fluid handling – Convertible
Reexamination Certificate
2004-04-23
2010-11-30
Lee, Kevin L (Department: 3753)
Fluid handling
Convertible
C137S271000, C137S454500
Reexamination Certificate
active
07841358
ABSTRACT:
A modular valve system includes at least one valve housing (40) having standard rate quantities on its opposite ends (38, 42), both on the inner peripheral side and on the outer peripheral side and inside the housing (52). Modular valve components, such as a valve piston (46), at least one energy accumulator (26), a pilot-controlled element, and at least one fluidic connection are mounted in the housing. The housing provides for fixing the valve embodied in the form of a screw-in cartridge for connection to other components.
REFERENCES:
patent: 5063961 (1991-11-01), Brunner
patent: 5375623 (1994-12-01), Weber
patent: 5400817 (1995-03-01), Voss
patent: 2003/0047216 (2003-03-01), Kelly
patent: 37 17 185 (1988-12-01), None
patent: 39 29 094 (1991-04-01), None
patent: 43 02 080 (1994-08-01), None
patent: 44 02 633 (1995-08-01), None
patent: 101 05 747 (2002-08-01), None
patent: 101 51 808 (2002-10-01), None
Bruck Peter
Hillesheim Thorsten
Hydac Fluidtechnik GmbH
Lee Kevin L
Roylance Abrams Berdo & Goodman LLP
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