Method and system for controlling the speed of an internal combustion engine driving a disengageable device
US11560861B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 22, 2019 |
| Grant date | Jan 24, 2023 |
| Priority date | — |
| Expiry date | Oct 22, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02D2400/06
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a method for regulating the speed of an engine which drives a disengageable device. The regulation of the engine speed is effected in accordance with a first mode when the disengageable device is disengaged and in accordance with a second mode when the disengageable device is engaged. The determination is effected by: —estimating the resistive torque exerted on the engine by the disengageable device; -changing a binary value from a first value representative of the disengaged state to a second value representative of the engaged state when the estimated resistive torque is higher than a first predetermined threshold for a first predetermined period of time; and —changing the binary value from the second value to its first value when, for a second predetermined period of time, the estimated resistive torque is lower than a second threshold possibly equal to the first threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.