Pump unit

Details Pump unit Pump unit

2007-01-16

2007-01-16

Lopez, F. Daniel (Department: 3745)

Power plants

Pressure fluid source and motor

Having plural energy input means, pumps or diverse pump outlets

Reexamination Certificate

active

11269642

ABSTRACT:
There is provided a pump unit including: a pump shaft operatively connected to a driving source; a cylinder block rotatably driven by the pump shaft; a piston unit accommodated in the cylinder block in a slidable manner in an axial direction; a movable swash plate oscillatable on an operational axis perpendicular to the pump shaft, the movable swash plate defining a slide range of the piston unit in abutment against the piston unit; a transmission gear supported by the pump shaft in a relatively non-rotatable manner, the transmission gear being disposed in such a manner as to face to the movable swash plate; a driven member operatively driven by the transmission gear; and a pump case supporting the pump shaft and accommodating therein the cylinder block, the piston unit, the movable swash plate, the transmission gear and the driven member.

REFERENCES:
patent: 3074296 (1963-01-01), Ebert
patent: 6425244 (2002-07-01), Ohashi et al.
patent: 2003-291674 (2003-10-01), None

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