Locomotive engine governor low oil trip reset
US7178499B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2004 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Jun 28, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B77/08
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An EMD locomotive engine low oil governor reset system, the governor having a low oil reset plunger which moves from an operating position to a tripped position out of a side of the governor when a low oil condition has been sensed and has initiated shut down of the engine, the governor also providing an electrical signal indicating the plunger has been tripped, the system comprising a solenoid mounted adjacent the governor and having a plunger in alignment with the low oil reset plunger for engaging the plunger in the tripped position and moving it to the operating position when the solenoid is activated, the solenoid being connected to the governor so as to receive the electrical signal therefrom; and a timer associated with the solenoid for delaying activation of the solenoid for a predetermined period of time after receipt of the electrical signal from the governor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.