Data processing: measuring – calibrating – or testing – Testing system – Of mechanical system
Reexamination Certificate
2005-05-31
2005-05-31
Barlow, John (Department: 2863)
Data processing: measuring, calibrating, or testing
Testing system
Of mechanical system
C303S157000, C303S162000, C701S078000, C701S079000, C702S148000
Reexamination Certificate
active
06901341
ABSTRACT:
The Smart Resolution Valve Pressure Control System allows any pressure control system using valve state pulsing to modify airflow at an optimum and consistent range of operation thereby enhancing control accuracy and increasing the useable cycle life of any valve combination used.
REFERENCES:
patent: 4674049 (1987-06-01), Kubo
patent: 4704684 (1987-11-01), Kubo
patent: 4748564 (1988-05-01), Matsuda
patent: 5281009 (1994-01-01), Kidston et al.
patent: 5458404 (1995-10-01), Fennel et al.
Schweikert David E.
Wood James A.
Barlow John
Le John
Webb Ziesenheim & Logsdon Orkin & Hanson, P.C.
Westinghouse Air Brake Technologies Corporation
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