Hydrostatic drive system
US5070695A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 22, 1988 |
| Grant date | Dec 10, 1991 |
| Priority date | — |
| Expiry date | Apr 22, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2059/6861
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydrostatic drive system consists respectively of an adjustable primary and secondary unit which are connected together via a conduit train with impressed pressure. The volume flow of the primary unit is regulated in dependence upon the impressed pressure and the volume flow of the secondary unit as a function of the speed. To avoid pronounced dropping of the impressed pressure the power of the secondary unit is limited. For this purpose a circuit is provided in which the volume flows of the primary and secondary units are compared. The power limitation intervenes when the volume flow of the secondary unit exceeds the volume flow of the primary unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.