Hydraulic device
US10041509B2 · kind B2 · utility
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10Claims
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Assignee
Inventors
Key dates
| Filing date | Sep 30, 2014 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | Sep 15, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B2211/20576
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic device wherein an orifice is provided upstream of the discharge valve in an oil passage from the electric pump, a drain oil passage from the second hydraulic servo communicates between the orifice and the discharge valve in the oil passage from the electric pump, and an oil pressure in the oil passage upstream of the orifice is maintained at a predetermined pressure higher than the set pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.