Method of controlling a cyclically commutated hydraulic pump
US8192175B2 · kind B2 · utility
7Cited by
10References
32Claims
0Family size
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Key dates
| Filing date | Oct 30, 2008 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Feb 6, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B49/22
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
When employing synthetically commutated hydraulic pumps (1), a time delay between a change in fluid flow demand (15) and the resulting fluid flow output (13) can be observed. It is suggested to use a time evolvement function, taking into account the time evolvement of the fluid flow demand and/or the time evolvement of the pumping strokes, to modify the actuation of the electrically commutated valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.