Method and apparatus for controlling a load of an engine associated with a hydrostatic drive system
US5873427A · kind A · utility
25Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 1997 |
| Grant date | Feb 23, 1999 |
| Priority date | — |
| Expiry date | Apr 3, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2059/363
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An apparatus for controlling the load of an engine associated with a hydrostatic drive system is disclosed. The apparatus includes a variable displacement pump rotatably driven by the engine. The apparatus modifies a pump displacement command signal in response to the actual and desired engine speed acceleration. The modified pump displacement command signal is used to control the displacement of a variable pump in order to regulate the load on the engine to achieve optimum efficiency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.