Helicopter power plant control
US3969890A · kind A · utility
22Cited by
8References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 17, 1974 |
| Grant date | Jul 20, 1976 |
| Priority date | — |
| Expiry date | Jul 17, 1994 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02C9/42
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A control system for a helicopter power plant with three power units driving the lifting rotor system through a main gearbox. Each power unit comprises a gas turbine engine of the gas-coupled type, a hydromechanical fuel control receiving electrical inputs to set a gas generator governor in the fuel control, an engine electronic control, and various engine accessories.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.