Method for operating a hybrid vehicle and a hybrid vehicle incorporating the method

• US 6,491,120 B1
• Filed: 01/18/2002
• Issued: 12/10/2002
• Est. Priority Date: 01/18/2002
• Status: Active Grant

• Current Assignee: Ford Global Technologies, LLC (Ford Motor Company)
• Original Assignee: Ford Global Technologies, LLC (Ford Motor Company)
• Inventors: Ogburn, Michael
• Primary Examiner(s): Dickson, Paul N.
• Assistant Examiner(s): Rosenberg, Laura B.
• Application Number:
  US09/683,558
• Time in Patent Office: 326 Days
• Field of Search: 180/65.2, 180/65.3, 180/65.6, 180/2.1, 180/2.2
• US Class Current: 180/65.25
• CPC Class Codes: B60K 6/48 Parallel type
• CPC Class Codes: B60L 2240/423 Torque
• CPC Class Codes: B60W 10/08 including control of electric propulsion units, e.g. motors or generators
• CPC Class Codes: B60W 20/00 Control systems specially adapted for hybrid vehicles hybrid vehicle design, B60K6/00; electric vehicles B60L
• CPC Class Codes: B60W 2710/083 Torque
• CPC Class Codes: B60W 30/18027 Drive off, accelerating from standstill
• CPC Class Codes: Y02T 10/62 Hybrid vehicles
• CPC Class Codes: Y02T 10/64 Electric machine technologies in electromobility
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles

Abstract

A method for operating a hybrid vehicle and a hybrid vehicle 10 which operates in accordance with the method. Particularly, the hybrid vehicle 10 includes a pair of torque generators 12, 14 which provide torque by moving in dissimilar directions as the hybrid vehicle 10 is started and stopped, thereby reducing inertia related noise and vibration.

Claims

1. An apparatus for operating a hybrid vehicle having a first and a second source of torque which each rotate in a certain respective rotational direction, said hybrid vehicle being further adapted to be selectively started and stopped, said apparatus comprising:

an assembly which is coupled to said first source of torque;

a controller which is coupled to said assembly and which senses said starting of said hybrid vehicle; and

a reversing gear which is coupled to said controller and to said first source of torque and which is activated by said controller in response to said sensed start of said hybrid vehicle, thereby causing said assembly to reverse said certain rotational direction of said first source of torque, wherein said controller further senses the stoppage of said hybrid vehicle and, in response to said sensed stoppage of said hybrid vehicle, said controller causes said reversing gear assembly to reverse said rotational direction of said first source of torque.

2. The apparatus of claim 1 wherein said first source of torque comprises an electrical generator.

3. The apparatus of claim 2 wherein said second source of torque comprises an internal combustion engine.

4. The apparatus of claim 2 wherein said second source of torque comprises a solar panel array assembly.

5. A The apparatus of claim 2 wherein said second source of torque comprises a solar panel array assembly.

6. A method for operating a hybrid vehicle having a first and a second source of torque, each of said first and second sources of torque having a respective rotational direction of movement, said hybrid vehicle being further adapted to be selectively started and stopped, said method comprising the steps of:

providing an assembly which is coupled to said first source of torque;

providing a controller which is coupled to said assembly and which senses said starting and said stopping of said hybrid vehicle;

providing a reversing gear which is coupled to said controller and to said first source of torque;

activating said reversing gear in response to said sensed start of said hybrid vehicle, thereby causing said assembly to reverse said certain rotational direction of said first source of torque;

activating said reversing gear in response to said sensed stopping of said hybrid vehicle, thereby causing said assembly to reverse said rotational direction of said first source of torque; and

reversing said direction of movement of said first source of torque during a certain period of time.

7. The method of claim 6 wherein said certain period of time comprises the time during which said hybrid vehicle is being started.

8. The method of claim 6 wherein said certain period of time comprises the time during which the hybrid vehicle is being stopped.

9. The method of claim 6 wherein said first source of torque comprises an electric generator.

10. The method of claim 6 wherein said second source of torque comprise an internal combustion engine.

11. The method of claim 6 wherein said certain period of time comprises about five seconds.