Electrohydraulic fan control
US5531190A · kind A · utility
26Cited by
4References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 9, 1994 |
| Grant date | Jul 2, 1996 |
| Priority date | — |
| Expiry date | Dec 9, 2014 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01P2060/06
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An electrohydraulic fan control system includes an engine, a hydraulic pump, hydraulic lines, a hydraulic cooling fan, and a solenoid controlled hydraulic valve. The engine includes an electronic control circuit which generates a control signal based on various temperature sensors which is used by the hydraulic valve to control the speed of the cooling fan.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.