Data processing: generic control systems or specific application – Specific application – apparatus or process – Specific application of positional responsive control system
Reexamination Certificate
2007-06-14
2011-12-27
Patel, Ramesh (Department: 2121)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Specific application of positional responsive control system
C700S282000, C700S301000, C137S899100, C404S075000, C404S090000, C299S017000, C239S752000
Reexamination Certificate
active
08086360
ABSTRACT:
A device for moving a jet member on a carriage (6) between two selectable extreme positions along a guide (5) has means for detecting that the carriage has reached a selectable extreme position, said means comprising members (24, 25) adapted to form a mechanical resistance against continued movement of the carriage so as to influence the flow of hydraulic liquid in an hydraulic circuit (27) of a hydraulic drive arrangement for moving the carriage. Members (31) are arranged to sense a parameter of the hydraulic liquid, the magnitude of which is depending upon the flow of hydraulic liquid in the hydraulic circuit, and send information about the magnitude of this parameter to a control unit (14) adapted to control the turning of the carriage on the basis of this information.
REFERENCES:
patent: 4055488 (1977-10-01), Siri et al.
patent: 4854770 (1989-08-01), Puchala et al.
patent: 5452966 (1995-09-01), Swisher, Jr.
patent: 92/03269 (1992-03-01), None
patent: 98/15690 (1998-04-01), None
patent: 2005/090684 (2005-09-01), None
Aquajet Systems Holding AB
Dilworth & Barrese LLP.
Garland Steven
Patel Ramesh
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