Fuel-level-detection system, calibration method, and calibration system
First Claim
Patent Images
1. A vehicle, comprising:
- (a) one or more rigid and strong frame structures to which a majority of other components of said vehicle are directly or indirectly engaged and from which a majority of other components of said vehicle derive support directly or indirectly;
(b) a suspension system that is engaged to and supports said one or more frame structures above the ground and that provides the vehicle with a relatively low resistance to movement along the ground;
(c) one or more body structures including an occupant cabin that is/are engaged to and supported by said one or more frame structures and within which occupants and/or cargo of said vehicle may reside;
(d) a powerplant that is mounted to said frame structures and that is operable to provide power to drive said vehicle;
(e) a fuel reservoir that is mounted directly or indirectly to said frame structures and/or said body structures of said vehicle, and within which fuel may be stored for consumption by said powerplant;
(f) a fuel-level detection system;
(g) wherein said fuel-level detection system comprises a fuel-level sensor mounted in said fuel reservoir;
(h) wherein said fuel-level detection system comprises a fuel-level indicator that is mounted in said occupant cabin;
(i) wherein said fuel-level detection system further comprises a fuel-level-signal-translating system that communicatively links said fuel-level sensor and said fuel-level indicator;
(j) wherein said fuel-level-signal-translating system receives raw fuel-level signals from said fuel-level sensor and translates them into processed fuel-level signals that are communicated to said fuel-level indicator;
(k) wherein said vehicle further comprises one or more computer(s) that are either communicatively linked to or are part of said fuel-level-signal-translating system and that are also communicatively linked to said fuel-level sensor;
(l) fuel-level-detection calibration logic, which is embodied in hardware and/or software of said one or more computer(s) and that may be activated when said fuel reservoir is empty to cause said one or more computer(s) to perform a fuel-level-detection calibration method which comprises the steps of;
activating said fuel-level sensor and causing it to produce a raw fuel-level signal that corresponds to an empty state of said liquid-fuel tank; and
configuring signal-conversion logic of said fuel-level-signal-translating system in a manner dependent upon the characteristics of said raw fuel-level signal that corresponds to an empty state of said fuel-reservoir;
said one or more computer(s) configuring said signal-conversion logic of said fuel-level-signal-translating system in a manner such that, thereafter, a raw fuel-level signal with characteristics equal to said raw fuel-level signal that corresponds to said empty state of said fuel reservoir will be translated into a processed fuel-level signal that will cause said fuel-level indicator to indicate an empty stats of said fuel-reservoir;
(m) said fuel-level sensor and said fuel-level-signal-translating system are constructed in such a manner that said raw fuel-level signals and/or intermediate signals have values that are linearly related to a height of fuel in said fuel reservoir;
(n) said fuel-level-detection calibration logic is configured such that it causes said computer(s) to perform the step of;
integrating into said fuel-level-signal-translating system signal-conversion look-up tables and/or equations that convert said raw fuel-level signals or intermediate signals that are linearly related to said height of said fuel in said fuel reservoir into processed fuel-level signals that are linearly related to a volume of fuel in said fuel reservoir.
5 Assignments
0 Petitions
Accused Products
Abstract
Systems and methods for calibrating operation of a fuel-level indicator of a vehicle are disclosed. The systems and methods include means of determining and/or receiving configuration information about the vehicle and integrating appropriate logic for converting raw fuel-level signals produced by a fuel-level sensor into appropriate processed fuel-level signals to be received by the fuel-level indicator.
-
Citations
27 Claims
-
1. A vehicle, comprising:
-
(a) one or more rigid and strong frame structures to which a majority of other components of said vehicle are directly or indirectly engaged and from which a majority of other components of said vehicle derive support directly or indirectly;
(b) a suspension system that is engaged to and supports said one or more frame structures above the ground and that provides the vehicle with a relatively low resistance to movement along the ground;
(c) one or more body structures including an occupant cabin that is/are engaged to and supported by said one or more frame structures and within which occupants and/or cargo of said vehicle may reside;
(d) a powerplant that is mounted to said frame structures and that is operable to provide power to drive said vehicle;
(e) a fuel reservoir that is mounted directly or indirectly to said frame structures and/or said body structures of said vehicle, and within which fuel may be stored for consumption by said powerplant;
(f) a fuel-level detection system;
(g) wherein said fuel-level detection system comprises a fuel-level sensor mounted in said fuel reservoir;
(h) wherein said fuel-level detection system comprises a fuel-level indicator that is mounted in said occupant cabin;
(i) wherein said fuel-level detection system further comprises a fuel-level-signal-translating system that communicatively links said fuel-level sensor and said fuel-level indicator;
(j) wherein said fuel-level-signal-translating system receives raw fuel-level signals from said fuel-level sensor and translates them into processed fuel-level signals that are communicated to said fuel-level indicator;
(k) wherein said vehicle further comprises one or more computer(s) that are either communicatively linked to or are part of said fuel-level-signal-translating system and that are also communicatively linked to said fuel-level sensor;
(l) fuel-level-detection calibration logic, which is embodied in hardware and/or software of said one or more computer(s) and that may be activated when said fuel reservoir is empty to cause said one or more computer(s) to perform a fuel-level-detection calibration method which comprises the steps of;
activating said fuel-level sensor and causing it to produce a raw fuel-level signal that corresponds to an empty state of said liquid-fuel tank; and
configuring signal-conversion logic of said fuel-level-signal-translating system in a manner dependent upon the characteristics of said raw fuel-level signal that corresponds to an empty state of said fuel-reservoir;
said one or more computer(s) configuring said signal-conversion logic of said fuel-level-signal-translating system in a manner such that, thereafter, a raw fuel-level signal with characteristics equal to said raw fuel-level signal that corresponds to said empty state of said fuel reservoir will be translated into a processed fuel-level signal that will cause said fuel-level indicator to indicate an empty stats of said fuel-reservoir;
(m) said fuel-level sensor and said fuel-level-signal-translating system are constructed in such a manner that said raw fuel-level signals and/or intermediate signals have values that are linearly related to a height of fuel in said fuel reservoir;
(n) said fuel-level-detection calibration logic is configured such that it causes said computer(s) to perform the step of;
integrating into said fuel-level-signal-translating system signal-conversion look-up tables and/or equations that convert said raw fuel-level signals or intermediate signals that are linearly related to said height of said fuel in said fuel reservoir into processed fuel-level signals that are linearly related to a volume of fuel in said fuel reservoir. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A vehicle, comprising:
-
(a) one or more rigid and strong frame structures to which a majority of other components of said vehicle are directly or indirectly engaged and from which a majority of other components of said vehicle derive support directly or indirectly;
(b) a suspension system that is engaged to and supports said one or more frame structures above the ground and that provides the vehicle with a relatively low resistance to movement along the ground;
(c) one or more body structures including an occupant cabin that is/are engaged to and supported by said one or more frame structures and within which occupants and/or cargo of said vehicle may reside;
(d) a powerplant that is mounted to said frame structures and that is operable to provide power to drive said vehicle;
(e) a fuel reservoir that is mounted directly or indirectly to said frame structures and/or said body structures of said vehicle, and within which fuel may be stored for consumption by said powerplant;
(f) a fuel-level detection system;
(g) wherein said fuel-level detection system comprises a fuel-level sensor that is mounted at least partially within said fuel reservoir and that produces raw fuel-level signals in a manner that is linearly dependent upon a height of fuel in said fuel reservoir;
(h) wherein said fuel-level detection system comprises a fuel-level indicator that is mounted in said occupant cabin;
(i) wherein said fuel-level detection system further comprises a fuel-level-signal-translating system that communicatively links said fuel-level sensor and said fuel-level indicator;
(j) wherein said fuel-level-signal-translating system receives raw fuel-level signals from said fuel-level sensor and translates them into processed fuel-level signals that are communicated to said fuel-level indicator;
(k) said fuel-level sensor and said fuel-level-signal-translating system are constructed in such a manner that said raw fuel-level signals and/or intermediate signals have values that are linearly related to a height of fuel in said fuel reservoir; and
(l) said fuel-level-signal-translating system comprises signal-conversion look-up tables and/or equations that are stored in computer memory of said fuel-level-signal-translating system and that are used to convert said raw fuel-level signals or intermediate signals that are linearly related to said height of said fuel in said fuel reservoir into processed fuel-level signals that are linearly related to a volume of fuel in said fuel reservoir. - View Dependent Claims (7)
-
-
8. A fuel-level detection calibration method for configuring signal-conversion logic of a fuel-level-signal-translating system of a vehicle with a fuel reservoir with a fuel-level sensor mounted at least partially within said fuel reservoir and which fuel-level sensor is operable to produce raw fuel-level signals in a manner dependent upon the level of fuel in the fuel reservoir and to transmit those raw fuel-level signals to the fuel-level-signal-translating system which operates according to the signal-conversion logic to translate the raw fuel-level signals into processed fuel-level signals that are communicated to a fuel-level indicator in an occupant cabin, said fuel level detection calibration method comprising the steps of:
-
(a) when said fuel reservoir is empty, activating the fuel-level sensor and thereby causing it to produce a raw fuel-level signal that corresponds to an empty state of the fuel reservoir; and
(b) configuring signal-conversion logic of the fuel-level-signal-translating system in a manner that is dependent upon the characteristics of said raw fuel-level signal that corresponds to an empty state of the fuel reservoir. - View Dependent Claims (9, 10, 11, 12, 13)
-
-
14. A fuel-level-detection calibration method for configuring signal-conversion logic of a fuel-level-signal-translating system of a vehicle with a fuel reservoir with a fuel-level sensor mounted at least partially within said fuel reservoir and which fuel-level sensor is operable to produce raw fuel-level signals in a manner dependent upon the level of fuel in the fuel reservoir and to transmit those raw fuel-level signals to the fuel-level-signal-translating system which operates according to the signal-conversion logic to translate the raw fuel-level signals into processed fuel-level signals that are communicated to a fuel-level indicator in an occupant cabin, said fuel-level detection calibration method comprising the steps of:
-
(a) receiving and/or determining information about the configuration of the vehicle and selecting, from a database of multiple sets of signal-conversion logic, signal-conversion logic that is appropriate for the configuration of the vehicle;
(b) integrating into the fuel-level-signal-translating system said set of signal-conversion logic that is appropriate for the configuration of the vehicle;
(c) said fuel-level-detection calibration method is executed during assembly of the vehicle in an assembly-line process;
(d) said fuel-level-detection calibration method is executed, when commanded to do so, by a vehicle-controller calibration system at an assembly line on which the vehicle is being assembled;
(e) said database of multiple sets of signal-conversion logic for different vehicle configurations is stored in computer memory of the vehicle-controller calibration system; and
(f) wherein said information about the configuration of the vehicle is part of line-set data that includes configuration information about each of a series of vehicles that is to be built on the assembly line.
-
-
15. A fuel-level-detection calibration method for configuring signal-conversion logic of a fuel-level-signal-translating system of a vehicle with a fuel reservoir with a fuel-level sensor mounted at least partially within said fuel reservoir and which fuel-level sensor is operable to produce raw fuel-level signals in a manner dependent upon the level of fuel in the fuel reservoir and to transmit those raw fuel-level signals to the fuel-level-signal-translating system which operates according to the signal-conversion logic to translate the raw fuel-level signals into processed fuel-level signals that are communicated to a fuel-level indicator in an occupant cabin, said fuel-level detection calibration method comprising the steps of:
-
(a) receiving and/or determining information about the configuration of the vehicle and selecting, from a database of multiple sets of signal-conversion logic, signal-conversion logic that is appropriate for the configuration of the vehicle;
(b) integrating into the fuel-level-signal-translating system said set of signal-conversion logic that is appropriate for the configuration of the vehicle;
(c) the fuel-level sensor of the vehicle is a wave-reflection type distance sensor; and
(d) said step of receiving and/or determining information about the configuration of the vehicle includes activating the fuel-level sensor at a time when the fuel reservoir is empty and utilizing the characteristic of a resulting raw fuel-level signal that corresponds to an empty state of the fuel reservoir in combination with known information about characteristics of such raw fuel-level signals that correspond to empty states of different types of fuel reservoirs to determine information about what type of fuel reservoir the vehicle has.
-
-
16. A fuel-level-detection calibration method for configuring signal-conversion logic of a fuel-level-signal-translating system of a vehicle with a fuel reservoir with a fuel-level sensor mounted at least partially within said fuel reservoir and which fuel-level sensor is operable to produce raw fuel-level signals in a manner dependent upon the level of fuel in the fuel reservoir and to transmit those raw fuel-level signals to the fuel-level-signal-translating system which operates according to the signal-conversion logic to translate the raw fuel-level signals into processed fuel-level signals that are communicated to a fuel-level indicator in an occupant cabin, said fuel-level-detection calibration method comprising the steps of:
-
(a) receiving and/or determining information about the type of fuel reservoir that the vehicle has and selecting, from a database of multiple sets of signal-conversion logic with look-up tables and/or equations for different types of fuel-reservoirs, signal-conversion logic with look-up tables and/or equations that are useable for the type of fuel reservoir the vehicle has to translate raw fuel-level signals and/or intermediate signals that are linearly related to a height of fuel in the fuel reservoir into processed fuel-level signals that are linearly related to a volume of fuel in the fuel reservoir; and
(b) integrating into the fuel-level-signal-translating system said signal-conversion logic with said signal-conversion look-up tables and/or equations that are useable for the type of fuel reservoir the vehicle has to translate raw fuel-level signals and/or intermediate signals that are linearly related to a height of fuel in the fuel reservoir into processed fuel-level signals that are linearly related to a volume of fuel in the fuel reservoir. - View Dependent Claims (17, 18)
-
-
19. A vehicle-controller calibration system for configuring signal-conversion logic of fuel-level-signal translating systems of vehicles with a fuel reservoir with a fuel-level sensor mounted at least partially within said fuel reservoir and which fuel-level sensor is operable to generate raw fuel-level signals in a manner dependent upon the fuel level in the fuel reservoir and to transmit those raw fuel-level signals to the fuel-level-signal-translating system which operates according to the signal-conversion logic to translate the raw fuel-level signals into processed fuel-level signals that are communicated to a fuel-level indicator in an occupant cabin, said vehicle-controller calibration system comprising:
-
(a) one or more vehicle-configuration computer(s) and commucative linkages for communicatively linking said vehicle-configuration computer(s) to the fuel-level-signal-translating system of the vehicle;
(b) fuel-level-detection calibration logic, which is embodied in hardware and/or software of said one or more vehicle-configuration computer(s) (c) wherein said fuel-level-detection calibration logic may be activated when the fuel reservoir is empty to cause said vehicle-configuration computer(s) to perform a fuel-level-detection calibration method which comprises the steps of;
activating the fuel-level sensor and causing it to produce a raw fuel-level signal that corresponds to an empty state of the fuel reservoir;
configuring signal-conversion logic of the fuel-level-signal-translating system in a manner dependent upon the characteristics of said raw fuel-level signal that corresponds to an empty state of the fuel reservoir; and
said vehicle-configuration computer(s) configuring said signal-conversion logic of the fuel-level-signal-translating system in a manner such that thereafter, raw fuel-level signals with characteristics equal to said raw fuel-level signal that corresponds to said empty state of said fuel reservoir will be translated into processed fuel-level signals that will cause the fuel-level indicator to indicate an empty state of the fuel-reservoir;
said vehicle-configuration computer(s) integrating into said signal-conversion logic look-up tables and/or equations that the fuel-level-signal-translating system will use to translate raw fuel-level signals and/or intermediate signals that are linearly related to a height of fuel in the fuel reservoir into processed fuel-level signals that are linearly related to a volume of fuel in the fuel reservoir. - View Dependent Claims (20, 21)
-
-
22. A vehicle-controller calibration system for configuring signal-conversion logic of fuel-level-signal-translating systems of vehicles with a fuel reservoir with a fuel-level sensor mounted at least partially within said fuel reservoir and which fuel-level sensor is operable to sense a fuel level in the fuel reservoir and transmit raw fuel-level signals to the fuel-level-signal-translating system which operates according to the signal-conversion logic to translate the raw fuel-level signals into processed fuel-level signals that are communicated to a fuel-level indicator in an occupant cabin, said vehicle-controller calibration system comprising:
-
(a) one or more vehicle-configuration computer(s) and communicative linkages for communicatively linking said vehicle-configuration computer(s) to the fuel-level-signal-translating system of the vehicle;
(b) in computer memory of said vehicle-configuration computer(s), a database of multiple different sets of signal-conversion logic which includes sets of signal-conversion logic for plural different vehicle configurations; and
(c) fuel-level-detection calibration logic, which is embodied in hardware and/or software of said one or more vehicle-configuration computer(s) and that may be activated to cause said vehicle-configuration computer(s) to perform a fuel-level-detection calibration method which comprises the steps of;
receiving and/or determining information about the vehicle configuration and selecting, from said database of multiple sets of signal-conversion logic, one or more sets of signal-conversion logic that are appropriate for the vehicle configuration and adding those sets of signal-conversion logic to said fuel-level-signal-translating system. - View Dependent Claims (23, 24, 25, 26, 27)
-
Specification