Method and system for controlling safety of a bi-fuel vehicle
First Claim
1. A method of controlling safety of a bi-fuel vehicle, comprising:
- detecting a pressure of a vaporizer configured to decompress and vaporize liquefied petroleum gas (LPG) that is one fuel of the bi-fuel vehicle;
determining whether the detected pressure of the vaporizer is equal to or higher than a predetermined high pressure;
determining whether the detected pressure of the vaporizer is equal to or lower than a predetermined low pressure;
determining whether an airbag has been inflated; and
switching to a gasoline mode configured to use gasoline if at least one of the detected pressure is equal to or higher than the predetermined high pressure, the detected pressure of the vaporizer is equal to or lower than the predetermined low pressure, or the airbag has been inflated is determined to be true.
1 Assignment
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Accused Products
Abstract
A method and system for controlling safety of a bi-fuel vehicle may safely control the bi-fuel vehicle when it is in an accident. The method may include detecting a pressure of a vaporizer configured to decompress and vaporize liquefied petroleum gas (LPG) that is one fuel of the bi-fuel vehicle, determining whether the detected pressure of the vaporizer is equal to or higher than a predetermined high pressure, determining whether the detected pressure of the vaporizer is equal to or lower than a predetermined low pressure, determining whether an airbag has been inflated, and switching to a gasoline mode configured to use gasoline if at least one of the detected pressure is equal to or higher than the predetermined high pressure, the detected pressure of the vaporizer is equal to or lower than the predetermined low pressure, and/or the airbag has been inflated is determined to be true.
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Citations
9 Claims
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1. A method of controlling safety of a bi-fuel vehicle, comprising:
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detecting a pressure of a vaporizer configured to decompress and vaporize liquefied petroleum gas (LPG) that is one fuel of the bi-fuel vehicle; determining whether the detected pressure of the vaporizer is equal to or higher than a predetermined high pressure; determining whether the detected pressure of the vaporizer is equal to or lower than a predetermined low pressure; determining whether an airbag has been inflated; and switching to a gasoline mode configured to use gasoline if at least one of the detected pressure is equal to or higher than the predetermined high pressure, the detected pressure of the vaporizer is equal to or lower than the predetermined low pressure, or the airbag has been inflated is determined to be true. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A system for controlling safety of a bi-fuel vehicle, comprising:
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a vaporizer configured to vaporize LPG in a gas state; a pressure sensor configured to detect pressure of the vaporizer; an airbag module configured to inflate an airbag when a predetermined impact is imparted to the bi-fuel vehicle, and to generate and transmit an airbag inflation signal when the airbag is inflated; an acceleration position sensor (APS) configured to detect a position of an accelerator pedal; and a controller configured to select a fuel mode and to control an operation of an engine based on a signal of the pressure sensor, the airbag inflation signal, and a signal of the APS, wherein the controller is operated by a program, and the program includes a series of commands for executing a method of controlling safety of a bi-fuel vehicle, the method comprising; detecting the pressure of the vaporizer configured to decompress and vaporize the liquefied petroleum gas (LPG) that is one fuel of the bi-fuel vehicle; determining whether the detected pressure of the vaporizer is equal to or higher than a predetermined high pressure; determining whether the detected pressure of the vaporizer is equal to or lower than a predetermined low pressure; determining whether the airbag has been inflated; and switching to a gasoline mode configured to use gasoline if at least one of the detected pressure is equal to or higher than the predetermined high pressure, the detected pressure of the vaporizer is equal to or lower than the predetermined low pressure, or the airbag has been inflated is determined to be true. - View Dependent Claims (8, 9)
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Specification