Energy recovery method and system
US9809957B2 · kind B2 · utility
5Cited by
7References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 23, 2011 |
| Grant date | Nov 7, 2017 |
| Priority date | — |
| Expiry date | Jun 5, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B2211/88
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The object of the present invention is to provide an inventive energy recovery method for a hydraulic system comprising a hydraulic cylinder (1), a pump (2), a tank (3), a supply conduit (4), a return conduit (5), and a hydraulic accumulator (7), the method comprises the steps of charging said hydraulic accumulator (7), and storing fluid in said hydraulic accumulator (7), wherein said energy recovery method comprises the step of directing fluid from said hydraulic accumulator (7) into an expanding chamber (8, 9) of said hydraulic cylinder (1) during an overrunning load condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.