Plural pressure oil energies selective recovery apparatus and selective recovery method therefor
US6922989B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2003 |
| Grant date | Aug 2, 2005 |
| Priority date | — |
| Expiry date | Jul 7, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B2211/88
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
It is an object of the present invention to provide a plural pressure oil energies selective recovery apparatus which can selectively recover pressure oil energies stored in plural pressure oil actuators, based upon recovery conditions. A priority for recovering a return pressure oil from a hydraulic actuator is set in advance for an operation lever of each of the plural hydraulic actuators. If the operation lever is in the non-actuation state at a preceding detection point, the plural pressure oil energies selective recovery apparatus recovers a return pressure oil from a corresponding hydraulic actuator. If the operation lever is in the actuation state, the plural pressure oil energies selective recovery apparatus does not recover a pressure oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.