Variable pump or hydraulic motor

Details Variable pump or hydraulic motor Variable pump or hydraulic motor

2011-06-28

2011-06-28

Kramer, Devon C (Department: 3746)

Pumps

Three or more cylinders arranged in parallel, radial, or...

C417S271000, C060S492000, C091S500000, C091S502000, C091S505000, C091S506000, C092S012200, C092S013000

Reexamination Certificate

active

07967574

ABSTRACT:
The invention concerns a variable pump or hydraulic motor with a drive shaft with a first axis of rotation and first plungers connected to the drive shaft and rotatable around the first axis of rotation. A port plate mounted in the housing can rotate around an axis intersecting the first axis, for adjusting the stroke volume. The port plate positioning drive comprises two counter-acting hydraulic actuators acting on the port plate in the direction of the first plungers.

REFERENCES:
patent: 2968286 (1961-01-01), Wiggermann
patent: 4361077 (1982-11-01), Mills
patent: 5253576 (1993-10-01), Bethke
patent: 6109034 (2000-08-01), Larkin
patent: 6174139 (2001-01-01), Stolzer
patent: 6358174 (2002-03-01), Folsom et al.
patent: 7374005 (2008-05-01), Gray, Jr.
patent: 7470116 (2008-12-01), Dantlgraber
patent: 2004/0022645 (2004-02-01), Rousset
patent: 2005/0017573 (2005-01-01), Achten
patent: 2005/0019171 (2005-01-01), Achten
patent: 1 302 661 (2003-04-01), None
patent: 03/058035 (2003-07-01), None
International Search Report, May 15, 2006, 2 pages.

Affiliated with

Also associated with

Rating

Variable pump or hydraulic motor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Variable pump or hydraulic motor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable pump or hydraulic motor will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2734958