Patent · US Expired

Oil supply failure detection circuit

US5662081A · kind A · utility

4Cited by
15References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 1995
Grant dateSep 2, 1997
Priority date
Expiry dateJul 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.