Oil supply failure detection circuit
US5662081A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1995 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Jul 24, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16N2260/32
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An internal combustion engine assembly including an internal combustion engine, an electronic control unit for generating control signals for controlling the engine and a solenoid oil pump for supplying oil to the engine. The oil pump includes an armature and a solenoid winding encircling the armature and being connected to the electronic control unit so that the electronic control unit causes movement of the armature and so as to allow the electronic control unit to detect the flow of current in the solenoid winding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.