Fuel pump speed control system
First Claim
Patent Images
1. A fuel pump controller, comprising:
- a detecting device for detecting environmental vibrational energy and converting the environmental vibrational energy to an electrical signal,a motor controller coupled to a fuel pump motor, wherein the electrical signal is coupled to the controller and it is used by the controller to command the fuel pump motor to operate at one of a plurality of speeds, wherein said commanded speed is at least in part correlated to the environmental vibrational energy.
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Abstract
A fuel pump controller includes a detecting device for detecting environmental vibrational energy and converting the environmental vibrational energy into an electrical signal. A motor controller is coupled to a fuel pump motor wherein the electrical signal is used by the controller to command the fuel pump motor to operate at one of a plurality of speeds wherein the commanded speed is at least in part a function of the environmental vibrational energy.
16 Citations
20 Claims
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1. A fuel pump controller, comprising:
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a detecting device for detecting environmental vibrational energy and converting the environmental vibrational energy to an electrical signal, a motor controller coupled to a fuel pump motor, wherein the electrical signal is coupled to the controller and it is used by the controller to command the fuel pump motor to operate at one of a plurality of speeds, wherein said commanded speed is at least in part correlated to the environmental vibrational energy. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A vehicle fuel pump speed control, comprising:
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a transducer for detecting environmental noise, wherein said transducer converts the environmental noise to an electrical transducer output signal, wherein said electrical transducer output signal is indicative of the environmental noise, a signal conditioning module electrically coupled to the electrical transducer output signal for conditioning said electrical transducer output signal to produce an electrical conditioned output signal, a motor controller electrically coupled to said electrical conditioned output signal, wherein said electrical conditioned electrical signal is used by the motor controller to command an electrical fuel pump motor to rotate at a speed that is at least in part correlated to the environmental noise. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A method for controlling a speed of a fuel pump motor, comprising:
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detecting vibrational energy associated with a vehicle'"'"'s state, converting the detected vibrational energy into an electrical signal that, is indicative of said detected vibrational energy, using said electrical signal to control a speed of a fuel pump motor in a way that a fuel demand of a vehicle coupled to the fuel pump motor may be met. - View Dependent Claims (19, 20)
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Specification