Actuator

Details Actuator Actuator

2006-06-06

2006-06-06

Lazo, Thomas E. (Department: 3745)

Power plants

Pressure fluid source and motor

Pump means moves motive fluid from one chamber to an...

C092S071000

Reexamination Certificate

active

07055320

ABSTRACT:
An actuator comprises a pump-driving section which is driven and rotated by a current, and a pump mechanism which is connected to the pump-driving section and which sucks/discharges a pressure oil. A cylinder mechanism, which has a piston that is displaceable in the axial direction by being supplied with the pressure oil, is provided on the pump-driving section and the pump mechanism. The amount of discharge of the pressure oil to the cylinder mechanism is adjusted by freely changing the angle of inclination of a tilting member provided in the pump mechanism.

REFERENCES:
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patent: 5144801 (1992-09-01), Scanderbeg et al.
patent: 5480161 (1996-01-01), Borowski
patent: 6615705 (2003-09-01), Reinelt et al.
patent: 6799953 (2004-10-01), Nelson
patent: 0 547 009 (1993-06-01), None
patent: 5-248412 (1993-09-01), None
patent: 2003-139108 (2003-05-01), None
Co-pending U.S. Appl. No. 10/968,128, by Shigekazu Nagai et al., filed on Oct. 20, 2004.

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