Starter solenoid with rectangular coil winding
AssigneeRemy International, Inc.
InventorMichael D. Bradfield
Life of this patent
Estimating the term…
Abstract
A solenoid for a vehicle starter includes a pull-in coil made of a length of rectangular wire and a hold-in coil adjacent to the pull-in coil. A plunger is configured to move in an axial direction when the pull-in coil made of rectangular wire is energized. The pull-in coil and the hold-in coil are positioned on a spool with the plunger slideably positioned within a central passage of the spool. The plunger is configured to engage a plunger stop when the pull-in coil is energized. In at least one embodiment, the hold-in coil is separated from the plunger stop in the axial direction and the hold-in coil encircles the plunger stop.
Claims20
A solenoid for a vehicle starter, the solenoid comprising:
- a first coil comprised of a length of rectangular wire;
- a second coil adjacent to the first coil;
- and
- a plunger configured to move in an axial direction when the first coil is energized.
A vehicle starter comprising:
- an electric motor configured to drive a pinion;
- and
- a solenoid comprising:
- a plunger;
- a coil comprised of a length of rectangular wire, coil configured to move the plunger in an axial direction to a plunger stop position when the coil is energized;
- and
- a contact configured to close a current path to the electric motor when the plunger is in the plunger stop position.
A solenoid for a vehicle starter, the solenoid comprising:
- a spool including a first end flange, a second end flange, a middle flange, and an internal passage, wherein a first coil bay is provided between the first end flange and the middle flange, and wherein a second coil bay is provided between the middle flange and the second end flange;
- a first coil comprised of plurality of windings of square wire wound around the spool on the first coil bay;
- a second coil adjacent to the first coil in an axial direction, the second coil comprised of a plurality of windings of wire wound around the spool on the second coil bay;
- and
- a plunger configured to move in the axial direction when the first coil and the second coil are energized.
Dependencies are inferred from the claim text.