Actuating device of a recirculation pump for a cooling circuit of an internal combustion engine
US8573165B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2012 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Apr 16, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01P2037/02
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Actuating device for a recirculation pump of a cooling circuit of an internal combustion engine comprising a pulley suitable for being rotationally driven by the engine, a driven shaft for driving the pump and an electromagnetically controlled coupling interposed between the pulley and the driven shaft, in which the electromagnetic coupling comprises an electromagnet, coupling mechanism controlled by the electromagnet and mobile between an engagement position in which the pulley is connected to the driven shaft and a disengagement position, and an elastic member for maintaining an engagement member in the engaged position when the electromagnet is not energized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.