Hydraulic pump and motor

Details Hydraulic pump and motor Hydraulic pump and motor

2005-04-05

2005-04-05

Tyler, Cheryl J. (Department: 3746)

Pumps

By heating of pumped fluid

Vapor generator type

C417S212000, C092S057000, C092S066000, C091S504000, C091S505000, C091S506000

Reexamination Certificate

active

06874994

ABSTRACT:
A hydraulic unit has a drive shaft (52) mounted in a manifold block (54) and coupled to a torque plate (80) on a central axis. A bent axis motive unit (60) has a yoke connected to the manifold block supported for rotation on the yoke. Hollow pistons (100) in cylinders in the cylinder block allow fluid to flow through a torque plate into and form the manifold without the necessity for passing fluid through an articulating member that pivots the cylinder block.

REFERENCES:
patent: 3149577 (1964-09-01), Gregor
patent: 3739692 (1973-06-01), Bell
patent: 4405288 (1983-09-01), Stockton
patent: 5052898 (1991-10-01), Cook
patent: 6092457 (2000-07-01), Inoue et al.
patent: 6203283 (2001-03-01), Fleming et al.
patent: 6368072 (2002-04-01), Inoue et al.

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