Pressure balanced ports for hydraulic valves
US10352462B2 · kind B2 · utility
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4References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 10, 2014 |
| Grant date | Jul 16, 2019 |
| Priority date | — |
| Expiry date | Feb 10, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K11/0708
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valving arrangement is provided with a specially designed second fluid port which equalizes lateral forces induced upon a spool valve to greatly reduce or eliminate such forces and thereby virtually eliminate laterally induced ware upon the spool valve or a valve port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.