Power plants – Pressure fluid source and motor – Pulsator
Patent
1997-07-11
1999-02-02
Nguyen, Hoang
Power plants
Pressure fluid source and motor
Pulsator
60563, 92151, 91 4R, F15B 700
Patent
active
058650296
ABSTRACT:
An intensifier type of fluid actuator includes multiple sensors for sensing various operational characteristics of the intensifier. The intensifier includes a first manifold connected by a first tube to a second manifold to define an intensifier chamber, a third manifold connected by a second tube to the second manifold to define a reservoir chamber, and a fourth manifold connected by a third tube to the third manifold to define a work chamber. An intensifier piston is disposed within the intensifier chamber and has an intensifier rod secured thereto that extends through the second manifold into the reservoir chamber and through the third manifold into the work chamber. A reservoir piston is disposed within the reservoir chamber and includes an opening formed therethrough, through which the intensifier rod extends. The second body includes a fifth manifold connected by a fourth tube to a sixth manifold to define a piston chamber. A work piston is disposed within the piston chamber and has a work rod secured thereto that extends through the sixth manifold from the second body. A plurality of ports are provided for selectively providing pressurized fluid in the intensifier chamber, the reservoir chamber, the first work chamber, and the piston chamber to selectively extend the work rod into engagement with the workpiece. A position sensor can be mounted on the fourth manifold of the second body for sensing the axial position of the work piston relative to the second body. A pressure sensor can communicate with the intensifier chamber for sensing the magnitude of the pressure therein, which is representative of the pressure generated by the intensifier. A flow rate sensor can be disposed between the work chamber and the piston chamber for sensing the rate of fluid flowing therebetween, which is representative of the velocity of movement of the work piston relative to the body.
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Aries Engineering Company, Inc.
Nguyen Hoang
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