Starter machine system and method

• US 9,184,646 B2
• Filed: 04/09/2012
• Issued: 11/10/2015
• Est. Priority Date: 04/07/2011
• Status: Active Grant

• Current Assignee: BorgWarner Incorporated
• Original Assignee: Remy Technologies LLC (BorgWarner Incorporated)
• Inventors: Fulton, David A.
• Primary Examiner(s): LE, DANG D
• Application Number:
  US13/442,776
• Publication Number:
  US 20120256524A1
• Time in Patent Office: 1,310 Days
• Field of Search: 310/181
• US Class Current: 1/1
• CPC Class Codes: B60L 50/16 with provision for separate direct mechanical propulsion
• CPC Class Codes: F02N 15/067 the starter comprising an electro-magnetically actuated lever
• CPC Class Codes: H02K 21/04 Windings on magnets for additional excitation ; Windings and magnets for additional excitation
• CPC Class Codes: H02K 23/04 having permanent magnet excitation
• CPC Class Codes: Y02T 10/64 Electric machine technologies in electromobility
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles
• CPC Class Codes: Y10T 29/49009 Dynamoelectric machine

Abstract

Embodiments of the invention provide a starter machine control system including an electronic control unit. The control system can include a starter machine that is in communication with the electronic control unit. The starter machine can comprise a solenoid assembly that includes at least one biasing members and a coil winding. The starter machine can also include a motor that is coupled to a pinion. The motor can include a field assembly and an armature assembly. The field assembly can include a support body and permanent magnets that are supported within the support body. A plurality of flux members can be disposed between the permanent magnets. A plurality of windings can be disposed around the flux members and can be coupled to a control circuit.

Claims

1. A starter machine control system comprising:

a starter machine configured and arranged to be in communication with an electronic control unit that is in communication with at least one of an engine speed sensor and an engine temperature sensor, the starter machine comprising;

a solenoid assembly comprising at least one coil winding,

a motor being operatively coupled to a pinion, the motor comprising a field assembly and an armature assembly, the field assembly comprising a support body and a plurality of permanent magnets being supported within the support body and circumferentially arranged within the support body,

the permanent magnets each comprising radially oriented north and south poles; and

a plurality of flux members being disposed between the plurality of permanent magnets, and wherein at least a portion of the plurality of flux members comprise a body and at least two flanges,

the body extending circumferentially between two of the plurality of permanent magnets, and each of the at least two flanges adjacent one of the permanent magnets extending radially oriented to the magnets north and south poles; and

a plurality of windings, wherein at least one of the plurality of windings is disposed around each of the plurality of flux members, the plurality of windings being coupled to a control circuit and configured and arranged to change the amount of flux emanating from the magnets; and

where the plurality of windings are configured and arranged to be coupled to a current source.

2. The starter machine control system of claim 1, wherein the plurality of flux members comprise a steel-containing material.

3. The starter machine control system of claim 1, wherein the control circuit comprises at least one switch and at least one relay.

4. The starter machine control module of claim 3, wherein the electronic control unit is configured and arranged to be in communication with the at least one switch.

5. The starter machine control system of claim 1, wherein the control circuit comprises an H-bridge configuration.

6. The starter machine control system of claim 1, wherein the control circuit comprises at least one solid-state switch.

7. The starter machine control system of claim 6, wherein the electronic control unit is configured and arranged to be in communication with the at least one solid-state switch.

8. The starter machine control system of claim 1, wherein the field assembly circumscribes at least a portion of the armature assembly, and wherein the armature assembly comprises an armature core and a plurality of conductors.

9. The starter machine control system of claim 1, wherein the electronic control unit is configured and arranged to regulate current flow through the plurality of windings at least partially based on data received from at least one of the temperature sensor and the engine speed sensor.

10. A starter machine control system comprising:

a starter machine configured and arranged to be in communication with an electronic control unit, the starter machine comprising;

a solenoid assembly comprising at least one biasing member and at least one coil winding,

a motor being operatively coupled to a pinion, the motor comprising a field assembly circumscribing an armature assembly, the field assembly comprising a support body including at least one pole shoe and at least one field coil being disposed around the at least one pole shoe, and

a control circuit electrically coupled to the at least one field coil so that the control circuit is configured and arranged to regulate current flowing through a portion of the at least one field coil, the control circuit configured and arranged to be in communication with the electronic control unit; and

wherein the control circuit is configured and arranged to control current flowing through the portion of the at least one field coil based on instructions received from the electronic control unit.

11. The starter machine control module of claim 10, wherein the control circuit comprises at least one relay that is configured and arranged to be in communication with the electronic control unit.

12. The starter machine control system of claim 10, wherein the control circuit comprises at least one solid-state switch configured and arranged to be in communication with the electronic control unit.

13. The starter machine control system of claim 10, wherein the field assembly comprises an electromagnetic configuration.

14. A starter machine control system comprising:

a starter machine capable of being in communication with an electronic control unit, the starter machine further comprising

a solenoid assembly comprising at least one biasing member and at least one coil winding,

a motor being operatively coupled to a pinion, the motor comprising a field assembly circumscribing an armature assembly, the field assembly further comprising a support body including at least one pole shoe and at least one field coil being disposed around the pole shoe, and

a control circuit electrically coupled to the at least one field coil so that the control circuit is capable of regulating current flowing through a portion of the at least one field coil, the control circuit capable of being in communication with electronic control unit, wherein the control circuit is configured and arranged to control current flowing through the portion of the at least one field coil based on instructions received from the electronic control unit; and

wherein the electronic control unit is configured and arranged to change a magnitude of the current passing through the portion of the field coil at least partially based on data received from at least one of the temperature sensor and the engine speed sensor.