Method and apparatus for optimizing vehicle operation

DC CAFC

US 5,954,781 A
Filed: 03/10/1997
Issued: 09/21/1999
Est. Priority Date: 03/10/1997
Status: Expired due to Term

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First Claim

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1. Apparatus for optimizing operation of a vehicle, comprising:

a plurality of sensors coupled to a vehicle having an engine, said plurality of sensors, which collectively monitor operation of said vehicle, including a road speed sensor, an engine speed sensor, a manifold pressure sensor and a throttle position sensor;

a processor subsystem, coupled to each one of said plurality of sensors, to receive data therefrom;

a memory subsystem, coupled to said processor subsystem, said memory subsystem storing therein a manifold pressure set point, an RPM set point, and present and prior levels for each one of said plurality of sensors;

a fuel overinjection notification circuit coupled to said processor subsystem, said fuel overinjection notification circuit issuing a notification that excessive fuel is being supplied to said engine of said vehicle;

an upshift notification circuit coupled to said processor subsystem, said upshift notification circuit issuing a notification that said engine of said vehicle is being operated at an excessive speed;

said processor subsystem determining, based upon data received from said plurality of sensors, when to activate said fuel overinjection circuit and when to activate said upshift notification circuit.

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Abstract

Apparatus for optimizing operation of an engine-driven vehicle. The apparatus includes a processor subsystem, a memory subsystem, a road speed sensor, an engine speed sensor, a manifold pressure sensor, a throttle position sensor, a radar detector for determining the distance separating the vehicle from an object in front of it, a windshield wiper sensor for indicating whether a windshield wiper of the vehicle is activated, a brake sensor for determining whether the brakes of the vehicle have been activated, a fuel overinjection notification circuit for issuing notifications that excessive fuel is being supplied to the engine of the vehicle, an upshift notification circuit for issuing notifications that the engine of the vehicle is being operated at an excessive engine speed, a downshift notification circuit for issuing notifications that the engine of the vehicle is being operated at an insufficient engine speed, a vehicle proximity alarm circuit for issuing an alarm that the vehicle is too close to an object in front of the vehicle and a throttle controller for automatically reducing the amount of fuel supplied to the engine if the vehicle is too close to the object in front of it. Based upon data received from the sensors and data stored in the memory subsystem, the processor determines whether to activate the fuel overinjection notification circuit, the upshift notification circuit, the downshift notification circuit, the vehicle proximity alarm circuit or the throttle controller.

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32 Claims

1. Apparatus for optimizing operation of a vehicle, comprising:
- a plurality of sensors coupled to a vehicle having an engine, said plurality of sensors, which collectively monitor operation of said vehicle, including a road speed sensor, an engine speed sensor, a manifold pressure sensor and a throttle position sensor;
  
  a processor subsystem, coupled to each one of said plurality of sensors, to receive data therefrom;
  
  a memory subsystem, coupled to said processor subsystem, said memory subsystem storing therein a manifold pressure set point, an RPM set point, and present and prior levels for each one of said plurality of sensors;
  
  a fuel overinjection notification circuit coupled to said processor subsystem, said fuel overinjection notification circuit issuing a notification that excessive fuel is being supplied to said engine of said vehicle;
  
  an upshift notification circuit coupled to said processor subsystem, said upshift notification circuit issuing a notification that said engine of said vehicle is being operated at an excessive speed;
  
  said processor subsystem determining, based upon data received from said plurality of sensors, when to activate said fuel overinjection circuit and when to activate said upshift notification circuit.
- View Dependent Claims (2, 3, 4, 5, 6)
- - 2. Apparatus for optimizing operation of a vehicle according to claim 1 wherein said processor subsystem further comprises:
    - means for determining when road speed for said vehicle is increasing;
      
      means for determining when throttle position for said vehicle is increasing; and
      
      means for comparing manifold pressure to said manifold pressure set point;
      
      said processor subsystem activating said fuel overinjection notification circuit if both road speed and throttle position for said vehicle are increasing and manifold pressure for said vehicle is above said manifold pressure set point.
  - 3. Apparatus for optimizing operation of a vehicle according to claim 1 wherein said fuel overinjection circuit further comprises a horn for issuing a tone for a preselected time period.
  - 4. Apparatus for optimizing operation of a vehicle according to claim 1 wherein said processor subsystem further comprises:
    - means for determining when road speed for said vehicle is decreasing;
      
      means for determining when throttle position for said vehicle is increasing;
      
      means for determining when manifold pressure for said vehicle is increasing; and
      
      means for determining when engine speed for said vehicle is decreasing;
      
      said processor subsystem activating said fuel overinjection notification circuit if both throttle position and manifold pressure for said vehicle are increasing and road speed and engine speed for said vehicle are decreasing.
  - 5. Apparatus for optimizing operation of a vehicle according to claim 1 wherein said processor subsystem further comprises:
    - means for determining when road speed for said vehicle is increasing;
      
      means for determining when throttle position for said vehicle is increasing;
      
      means for comparing manifold pressure to said manifold pressure set point; and
      
      means for comparing engine speed to said RPM set point;
      
      said processor subsystem activating said upshift notification circuit if both road speed and throttle position for said vehicle are increasing, manifold pressure for said vehicle is at or below said manifold pressure set point and engine speed for said vehicle is at or above said RPM set point.
  - 6. Apparatus for optimizing operation of a vehicle according to claim 1 wherein said upshift notification circuit further comprises a horn for issuing a tone for a preselected time period.

7. Apparatus for optimizing operation of a vehicle, comprising:
- a plurality of sensors coupled to a vehicle having an engine, said plurality of sensors, which collectively monitor operation of said vehicle, including a road speed sensor, a manifold pressure sensor and a throttle position sensor;
  
  a processor subsystem, coupled to each one of said plurality of sensors, to receive data therefrom;
  
  a memory subsystem, coupled to said processor subsystem, said memory subsystem storing therein a manifold pressure set point and present and prior levels for each one of said plurality of sensors;
  
  a fuel overinjection notification circuit coupled to said processor subsystem, said fuel overinjection notification circuit issuing a notification that excessive fuel is being supplied to said engine of said vehicle;
  
  a downshift notification circuit coupled to said processor subsystem, said downshift notification circuit issuing a notification that said engine of said vehicle is being operated at an insufficient engine speed; and
  
  said processor subsystem determining, based upon data received from said plurality of sensors, when to activate said fuel overinjection circuit and when to activate said downshift notification circuit.
- View Dependent Claims (8, 9, 10, 11, 12)
- - 8. Apparatus for optimizing operation of a vehicle according to claim 7 wherein said processor subsystem further comprises:
    - means for determining when road speed for said vehicle is increasing;
      
      means for determining when throttle position for said vehicle is increasing; and
      
      means for comparing manifold pressure to said manifold pressure set point;
      
      said processor subsystem activating said fuel overinjection notification circuit if both road speed and throttle position for said vehicle are increasing and manifold pressure for said vehicle is above said manifold pressure set point.
  - 9. Apparatus for optimizing operation of a vehicle according to claim 7 wherein said fuel overinjection circuit further comprises a horn for issuing a tone for a preselected time period.
  - 10. Apparatus for optimizing operation of a vehicle according to claim 7 wherein said processor subsystem further comprises:
    - means for determining when road speed for said vehicle is decreasing;
      
      means for determining when throttle position for said vehicle is increasing;
      
      means for determining when manifold pressure for said vehicle is increasing; and
      
      means for determining when engine speed for said vehicle is decreasing;
      
      said processor subsystem activating said downshift notification circuit if both road speed and engine speed are decreasing and both throttle position and manifold pressure for said vehicle are increasing.
  - 11. Apparatus for optimizing operation of a vehicle according to claim 10 wherein said downshift notification circuit further comprises a horn for issuing a tone for a preselected time period.
  - 12. Apparatus for optimizing operation of a vehicle according to claim 7 wherein said processor subsystem further comprises:
    - means for determining when road speed for said vehicle is decreasing;
      
      means for determining when throttle position for said vehicle is increasing;
      
      means for determining when manifold pressure for said vehicle is increasing; and
      
      means for determining when engine speed for said vehicle is decreasing;
      
      said processor subsystem activating said fuel overinjection notification circuit if both throttle position and manifold pressure for said vehicle are increasing and road speed and engine speed for said vehicle are decreasing.

13. Apparatus for optimizing operation of a vehicle, comprising:
- a plurality of sensors coupled to a vehicle having an engine, said plurality of sensors, which collectively monitor operation of said vehicle, including a road speed sensor, an engine speed sensor, a manifold pressure sensor and a throttle position sensor;
  
  a processor subsystem, coupled to each one of said plurality of sensors, to receive data therefrom;
  
  a memory subsystem, coupled to said processor subsystem, said memory subsystem storing therein a manifold pressure set point, an engine speed set point and present and prior levels for each one of said plurality of sensors;
  
  a fuel overinjection notification circuit coupled to said processor subsystem, said fuel overinjection notification circuit issuing a notification that excessive fuel is being supplied to said engine of said vehicle;
  
  an upshift notification circuit coupled to said processor subsystem, said upshift notification circuit issuing a notification that said engine of said vehicle is being operated at an excessive engine speed;
  
  a downshift notification circuit coupled to said processor subsystem, said downshift notification circuit issuing a notification that said engine of said vehicle is being operated at an insufficient engine speed;
  
  said processor subsystem determining, based upon data received from said plurality of sensors, when to activate said fuel overinjection circuit, said upshift notification circuit and said downshift notification circuit.
- View Dependent Claims (14, 15, 16)
- - 14. Apparatus for optimizing operation of a vehicle according to claim 13 wherein:
    - said fuel overinjection circuit further comprises a first horn for issuing a first tone for a first preselected time period;
      
      said upshift notification circuit further comprises a second horn for issuing a second tone for a second preselected time period; and
      
      said downshift notification circuit further comprises a third horn for issuing a third tone for a third preselected time period.
  - 15. Apparatus for optimizing vehicle performance according to claim 13 wherein said processor subsystem further comprises:
    - means for determining when road speed for said vehicle is increasing or decreasingmeans for determining when throttle position for said vehicle is increasing;
      
      means for comparing manifold pressure to said manifold pressure set point;
      
      means for comparing engine speed to said RPM set point;
      
      means for determining when manifold pressure is increasing; and
      
      means for determining when engine speed is increasing or decreasing;
      
      said processor subsystem activating said fuel overinjection notification circuit if both road speed and throttle position for said vehicle are increasing and manifold pressure for said vehicle is above said manifold pressure set or if both throttle position and manifold pressure for said vehicle are increasing and road speed and engine speed for said vehicle are decreasing;
      
      said processor subsystem activating said upshift notification circuit if both road speed and throttle position for said vehicle are increasing, manifold pressure for said vehicle is at or below said manifold pressure set point and engine speed for said vehicle is at or above said RPM set point; and
      
      said processor subsystem activating said downshift notification circuit if both road speed and engine speed are decreasing and both throttle position and manifold pressure for said vehicle are increasing.
  - 16. Apparatus for optimizing operation of a vehicle according to claim 15 wherein:
    - said fuel overinjection circuit further comprises a first horn for issuing a first tone for a first preselected time period;
      
      said upshift notification circuit further comprises a second horn for issuing a second tone for a second preselected time period; and
      
      said downshift notification circuit further comprises a third horn for issuing a third tone for a third preselected time period.

17. Apparatus for optimizing operation of a vehicle, comprising:
- a radar detector, said radar detector determining a distance separating a vehicle having an engine and an object in front of said vehicle;
  
  at least one sensor coupled to said vehicle for monitoring operation thereof, said at least one sensor including a road speed sensor, a manifold pressure sensor, a throttle position sensor and an engine speed sensor;
  
  a processor subsystem, coupled to said radar detector and said at least one sensor, to receive data therefrom;
  
  a memory subsystem, coupled to said processor subsystem, said memory subsystem storing a first vehicle speed/stopping distance table, a manifold pressure set point, an RPM set point, a present level for each one of said at least one sensor and a prior level for each one of said at least one sensor;
  
  a vehicle proximity alarm circuit coupled to said processor subsystem, said vehicle proximity alarm circuit issuing an alarm that said vehicle is too close to said object;
  
  a fuel overinjection circuit coupled to said processor subsystem, said fuel overinjection circuit issuing a notification that excessive fuel is being supplied to said engine of said vehicle;
  
  an upshift notification circuit coupled to said processor subsystem, said upshift notification circuit issuing a notification that said engine of said vehicle is being operated at an excessive speed;
  
  said processor subsystem determining, based upon data received from said radar detector, said at least one sensor and said memory subsystem, when to activate said vehicle proximity alarm circuit, when to activate said fuel overinjection circuit, and when to activate said upshift notification circuit.
- View Dependent Claims (18, 19, 20, 21, 22)
- - 18. Apparatus for optimizing operation of a vehicle according to claim 17 wherein:
    - said at least one sensor further includes a windshield wiper sensor for indicating whether a windshield wiper of said vehicle is activated; and
      
      said memory subsystem further storing a second vehicle speed/stopping distance table.
  - 19. Apparatus for optimizing operation of a vehicle according to claim 17 and further comprising:
    - a throttle controller for controlling a throttle of said engine of said vehicle; and
      
      said processor subsystem selectively reducing said throttle based upon data received from said radar detector, said at least one sensor and said memory subsystem.
  - 20. Apparatus for optimizing operation of a vehicle according to claim 19 wherein said at least one sensor further includes a brake sensor for indicating whether a brake system of said vehicle is activated.
  - 21. Apparatus for optimizing operation of a vehicle according to claim 19 wherein said processor subsystem further comprises:
    - means for counting a total number of vehicle proximity alarms determined by said processor subsystem;
      
      means for selectively reducing said throttle based upon said total number of vehicle proximity alarms.
  - 22. Apparatus for optimizing operation of a vehicle according to claim 17 and further comprising:
    - a downshift notification circuit coupled to said processor subsystem, said downshift notification circuit issuing a notification that said engine of said vehicle is being operated at an insufficient engine speed; and
      
      said processor subsystem determining, based upon data received from said plurality of sensors, when to activate said downshift notification circuit.

23. Apparatus for optimizing operation of a vehicle, comprising:
- a radar detector, said radar detector determining a distance separating a vehicle having an engine and an object in front of said vehicle;
  
  a plurality of sensors coupled to a vehicle having an engine, said plurality of sensors, which collectively monitor operation of said vehicle, including a road speed sensor, and engine speed sensor, a manifold pressure sensor and a throttle position sensor;
  
  a processor subsystem, coupled to said radar detector and each one of said plurality of sensors, to receive data therefrom;
  
  a memory subsystem, coupled to said processor subsystem, said memory subsystem storing therein a first vehicle speed/stopping distance table, a manifold pressure set point, an RPM set point, and present and prior levels for each one of said plurality of sensors;
  
  a fuel overinjection notification circuit coupled to said processor subsystem, said fuel overinjection notification circuit issuing a notification that excessive fuel is being supplied to said engine of said vehicle;
  
  an upshift notification circuit coupled to said processor subsystem, said upshift notification circuit issuing a notification that said engine of said vehicle is being operated at an excessive engine speed;
  
  said processor subsystem determining, based upon data received from said plurality of sensors, when to activate said fuel overinjection circuit and when to activate said upshift notification circuit;
  
  a vehicle proximity alarm circuit coupled to said processor subsystem, said vehicle proximity alarm circuit issuing an alarm that said vehicle is too close to said object;
  
  said processor subsystem determining, based upon data received from said radar detector, said at least one sensor and said memory subsystem, when to activate said vehicle proximity alarm circuit.
- View Dependent Claims (24, 25)
- - 24. Apparatus for optimizing operation of a vehicle according to claim 23 wherein said processor subsystem further comprises:
    - means for determining when road speed for said vehicle is increasing or decreasing;
      
      means for determining when throttle position for said vehicle is increasing or decreasing; and
      
      means for comparing manifold pressure to said manifold pressure set point;
      
      means for determining when manifold pressure for said vehicle is increasing or decreasing; and
      
      means for determining when engine speed for said vehicle is increasing or decreasing;
      
      said processor subsystem activating said fuel overinjection notification circuit if both road speed and throttle position for said vehicle are increasing and manifold pressure for said vehicle is above said manifold pressure set point or if both throttle position and manifold pressure for said vehicle are increasing and road speed and engine speed for said vehicle are decreasing.
  - 25. Apparatus for optimizing operation of a vehicle according to claim 23 wherein said processor subsystem further comprises:
    - means for determining when road speed for said vehicle is increasing;
      
      means for determining when throttle position for said vehicle is increasing;
      
      means for comparing manifold pressure to said manifold pressure set point; and
      
      means for comparing engine speed to said RPM set point;
      
      said processor subsystem activating said upshift notification circuit if both road speed and throttle position for said vehicle are increasing, manifold pressure for said vehicle is at or below said manifold pressure set point and engine speed for said vehicle is at or above said RPM set point.

26. Apparatus for optimizing operation of a vehicle, comprising:
- a radar detector, said radar detector determining a distance separating a vehicle having an engine and an object in front of said vehicle;
  
  a plurality of sensors coupled to a vehicle having an engine, said plurality of sensors, which collectively monitor operation of said vehicle, including a road speed sensor, and engine speed sensor, a manifold pressure sensor and a throttle position sensor;
  
  a processor subsystem, coupled to said radar detector and each one of said plurality of sensors, to receive data therefrom;
  
  a memory subsystem, coupled to said processor subsystem, said memory subsystem storing therein a first vehicle speed/stopping distance table, a manifold pressure set point, RPM set point, and present and prior levels for each one of said plurality of sensors;
  
  a fuel overinjection notification circuit coupled to said processor subsystem, said fuel overinjection notification circuit issuing a notification that excessive fuel is being supplied to said engine of said vehicle;
  
  a downshift notification circuit coupled to said processor subsystem, said downshift notification circuit issuing a notification that said engine of said vehicle is being operated at an insufficient engine speed;
  
  said processor subsystem determining, based upon data received from said plurality of sensors, when to activate said fuel overinjection circuit and when to activate said downshift notification circuit;
  
  a vehicle proximity alarm circuit coupled to said processor subsystem, said vehicle proximity alarm circuit issuing an alarm that said vehicle is too close to said object;
  
  said processor subsystem determining, based upon data received from said radar detector, said at least one sensor and said memory subsystem, when to activate said vehicle proximity alarm circuit.
- View Dependent Claims (27)
- - 27. Apparatus for optimizing operation of a vehicle according to claim 26 wherein said processor subsystem further comprises:
    - means for determining when road speed for said vehicle is decreasing;
      
      means for determining when throttle position for said vehicle is increasing;
      
      means for determining when manifold pressure for said vehicle is increasing; and
      
      means for determining when engine speed for said vehicle is decreasing;
      
      said processor subsystem activating said downshift notification circuit if both road speed and engine speed are decreasing and both throttle position and manifold pressure for said vehicle are increasing.

28. Apparatus for optimizing operation of a vehicle, comprising:
- a plurality of sensors coupled to a vehicle having an engine, said plurality of sensors, which collectively monitor operation of said vehicle, including a road speed sensor, a manifold pressure sensor and a throttle position sensor;
  
  a processor subsystem, coupled to each one of said plurality of sensors, to receive data therefrom;
  
  a fuel overinjection notification circuit coupled to said processor subsystem, said fuel overinjection notification circuit issuing a notification that excessive fuel is being supplied to said engine of said vehicle;
  
  said processor subsystem determining whether to activate said fuel overinjection notification sensor based upon data received from said road speed sensor, said throttle position sensor and said manifold pressure sensor.
- View Dependent Claims (29, 30)
- - 29. Apparatus according to claim 28 and further comprising:
    - a memory subsystem, coupled to said processor subsystem, said memory subsystem maintaining a manifold pressure set point;
      
      said processor subsystem activating said fuel overinjection notification circuit upon determining that;
      
      (1) based upon data received from said road speed sensor, road speed of said vehicle is increasing;
      
      (2) based upon data received from said throttle position sensor, throttle position for said vehicle is increasing; and
      
      (3) based upon data received from said manifold pressure sensor, manifold pressure for said vehicle exceeds said manifold pressure set point.
  - 30. Apparatus according to claim 28, wherein:
    - said plurality of sensors coupled to said vehicle further include an engine speed sensor;
      
      said processor subsystem activating said fuel overinjection notification circuit upon determining that;
      
      (1) based upon data received from said road speed sensor, road speed of said vehicle is decreasing;
      
      (2) based upon data received from said throttle position sensor, throttle position for said vehicle is increasing;
      
      (3) based upon data received from said manifold pressure sensor, manifold pressure for said vehicle is increasing; and
      
      (4) based upon data received from said engine speed sensor, engine speed for said vehicle is decreasing.

31. Apparatus for optimizing operation of a vehicle, comprising:
- a radar detector, said radar detector determining a distance separating a vehicle having an engine and an object in front of said vehicle;
  
  at least one sensor coupled to said vehicle for monitoring operation thereof, said at least one sensor including a road speed sensor;
  
  a processor subsystem, coupled to said radar detector and said at least one sensor, to receive data therefrom;
  
  a memory subsystem, coupled to said processor subsystem, said memory subsystem storing a first vehicle speed/stopping distance table;
  
  a vehicle proximity alarm circuit coupled to said processor subsystem, said vehicle proximity alarm circuit issuing an alarm that said vehicle is too close to said object;
  
  said processor subsystem determining whether to activate said vehicle proximity alarm circuit based upon separation distance data received from said radar detector, vehicle speed data received from said road speed sensor and said first vehicle speed/stopping distance table stored in said memory subsystem.
- View Dependent Claims (32)
- - 32. Apparatus for optimizing operation of a vehicle according to claim 31 wherein:
    - said at least one sensor further includes a windshield wiper sensor for indicating whether a windshield wiper of said vehicle is activated; and
      
      said memory subsystem further storing a second vehicle speed/stopping distance table;
      
      if said windshield wiper sensor indicates that said windshield wiper is deactivated, said processor subsystem determining whether to activate said vehicle proximity alarm circuit based upon data received from said radar detector, said road speed sensor and said first vehicle speed/stopping distance table stored in said memory subsystem;
      
      if said windshield wiper sensor indicates that said windshield wiper is activated, said processor subsystem determining whether to activate said vehicle proximity alarm circuit based upon data received from said radar detector, said road speed sensor and said second vehicle speed/stopping distance table stored in said memory subsystem.

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Litigation Data

Current Assignee
Velocity Patent LLC
Original Assignee
TAS Distributing Company Incorporated
Inventors
Slepian, Harvey, Sutton, Loran
Primary Examiner(s)
Cuchlinski, Jr., William A.
Assistant Examiner(s)
ARTHUR JEANGLAUD, GERTRUDE

Application Number

US08/813,270
Time in Patent Office

925 Days
Field of Search

701/1, 701/121, 701/123, 701/101, 701/102, 701/103, 701/104, 701/96, 701/300, 123/478, 123/480, 123/351, 123/481, 340/903, 340/425.5, 340/426, 340/436, 340/438
US Class Current

701/96
CPC Class Codes

B60K 28/00   Safety devices for propulsi...

B60R 16/0231   Circuits relating to the dr...

B60W 2050/143   Alarm means

B60W 2510/0638   Engine speed

B60W 2510/0652   Speed change rate

B60W 2510/0671   Engine manifold pressure

B60W 2520/10   Longitudinal speed

B60W 2520/105   Longitudinal acceleration

B60W 2554/801   Lateral distance

F16H 2063/423   Range indicators for automa...

F16H 59/74   Inputs being a function of ...

Method and apparatus for optimizing vehicle operation

First Claim

3 Assignments

Litigations

4 Petitions

Reexamination

Accused Products

Abstract

84 Citations

32 Claims

Specification

Solutions

Use Cases

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Method and apparatus for optimizing vehicle operation

First Claim

3 Assignments

Subscription Required

Subscription Required

Litigations

4 Petitions

Subscription Required

Reexamination

Accused Products

Subscription Required

Abstract

84 Citations

32 Claims

Specification

Subscription Required

Solutions

Use Cases

Quick Links