Actuating device of a recirculation pump for a cooling circuit of an internal combustion engine
AssigneeDayco Europe S.R.L.
InventorsAndrea Guala, Gianluca Cariccia, Riccardo Seren Rosso
Life of this patent
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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.
Claims20
An actuating device for an accessory driven by an internal combustion engine comprising:
- a driving member having a rotation axis (A) rotatably driven by the internal combustion engine,
- a driven member for driving said accessory, and
- an electromagnetically controlled coupling interposed between the driving member and the driven member, in which the coupling comprises an electromagnet and a coupling mechanism controlled by said electromagnet, the coupling mechanism being movable between an engaged position, in which said driving member is connected to said driven member, and a disengaged position, in which said driving member is unconnected to said driven member, said coupling mechanism comprising a band spring connected to both a first element that is interconnected with the driving member and to a second element that is interconnected with said driven member, so that when in the engaged position said band spring couples with and rotationally constrains said first and second elements together.
An actuating device for an accessory driven by an internal combustion engine comprising:
- a driving member having a rotation axis (A) rotatably driven by the internal combustion engine,
- a driven member for driving said accessory, and
- an electromagnetically controlled coupling interposed between the driving member and the driven member, in which the coupling comprises an electromagnet and a coupling mechanism controlled by said electromagnet, the coupling mechanism being movable between an engaged position, in which said driving member is connected to said driven member, and a disengaged position, in which said driving member is unconnected to said driven member, said coupling mechanism comprising a spring interposed between a first element interconnected with the driving member and a second element interconnected with said driven member, so that when in the engaged position said spring couples said first and second elements together.
Dependencies are inferred from the claim text.