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US 8,403,123 B2Granted
Magnetically actuated one-way clutch
AssigneeFord Global Technologies, LLC
InventorsNorman J. Bird, Gregory D. Gardner, David A. Janson, Matthew T. Trent
Life of this patent
Estimating the term…
Abstract
A one-way clutch includes a first race secured against rotation and fitted with a coil, a second race supported for rotation, a coil carried by one of the races, and struts supported by one of the races, each strut driveably connecting and disconnecting the races in response to a magnetic field induced by current in the coil.
Claims14
A one-way clutch, comprising:
- a first race secured against rotation and fitted with a coil;
- a second race supported for rotation;
- struts supported on the second race, each strut driveably connecting and disconnecting the races in response to a magnetic field induced by current in the coil;
- pockets formed in the second race, each strut located in one of the pockets;
- and
- a permanent magnet located in each of the pockets.
3 more elements
A one-way clutch, comprising:
- a nonrotatable race including cams and a coil;
- a rotatable race formed with pockets including struts that pivot into and out of engagement with the cams in response to a magnetic field induced by current in the coil, each strut located in one of the pockets;
- permanent magnets, each permanent magnet located in one of the pockets for urging one of the struts out of engagement with one of the cams.
A one-way clutch, comprising:
- a rotatable race including cams;
- a nonrotatable race formed with pockets, including a coil and struts that pivot into and out of engagement with the cams in response to a magnetic field induced by current in the coil, each strut located in one of the pockets;
- and
- one of springs and permanent magnets, each spring or magnet urging one of the struts out of engagement with one of the cams.
1 more element
Dependencies are inferred from the claim text.