Ultra-compact system for characterization of physical, chemical and ignition properties of fuels

Patent metadata

Field	Value
Publication number	US-10371689-B2
Application number	US-201615261304-A
Country	US
Kind code	B2
Filing date	Sep 9, 2016
Priority date	Sep 9, 2016
Publication date	Aug 6, 2019
Grant date	Aug 6, 2019

Abstract

The present disclosure relates to a miniaturized fuel laboratory system having exterior dimensions enabling the system to be at least one of hand-holdable or contained on a component. The system makes use of a processor, a fuel inlet port for receiving a quantity of fuel to be used as a fuel test sample, and at least one fuel sensor in communication with the fuel inlet port for receiving the fuel test sample. The processor uses the information obtained by the fuel sensor to determine at least one characteristic of the fuel test sample.

First claim

What is claimed is:

1. A miniaturized fuel laboratory system having exterior dimensions enabling the system to be at least one of hand-holdable or integrated into an engine of a fuel-consuming component, the system comprising:
a housing;
a processor housed within the housing;
a fuel inlet port supported from the housing for receiving a quantity of fuel to be used as a fuel test sample;
at least one fuel sensor housed in the housing in communication with the fuel inlet port for receiving the fuel test sample;
an electronic input/output communications port housed in the housing for bidirectionally communicating with the processor and with an electronic controller associated with the engine of the fuel-consuming component;
the processor configured to receive combustion related information concerning a combustion event occurring within the engine;
the processor using information obtained by the fuel sensor to determine at least one characteristic of the fuel test sample; and
the processor further using the combustion related information in analyzing the fuel test sample, and to communicate information back to the electronic controller of the engine.

2. The system of claim 1 , wherein the processor uses the at least one fuel characteristic to provide information to the electronic controller to assist in controlling at least one of:
mapping of a mass air flow sensor to change an air/fuel ratio being used by the engine;
valve timing and lift profile of a valve train of the engine;
spark timing and ignition energy for the engine;
injection characteristics on each injector of each cylinder of an engine, including number of injections, timing for each injection, and a profile of each injection event;
fuel injector pressure for the engine;
a wastegate of a turbocharger of the engine;
boost of a turbocharger of the engine;
boost of a supercharger of the engine; and
engine temperature set-point.

3. The system of claim 1 , wherein the at least one sensor comprises a distillation curve sensor for measuring a volume of liquid in a mixture that has evaporated at a given temperature, and providing information regarding at least one of a boiling point temperature or enthalpy of vaporization.

4. The system of claim 1 , wherein the at least one sensor comprises a surface tension sensor for measuring a resistive force of a surface film of a liquid caused by an attraction of molecules in a surface layer by a bulk of the liquid, which tends to minimize surface area.

5. The system of claim 1 , wherein at least one sensor comprises a calorimetry sensor for measuring a chemical energy released by fuel and oxidizer mixtures, including at least one of an increased heating value or a decreased heating value.

6. The system of claim 1 , wherein the at least one sensor comprises a flame speed sensor for measuring a propagation of a flame front while a fuel and an oxidizer are consumed in a flame.

7. The system of claim 1 , wherein the fuel-consuming component comprises at least one of a:
wheeled land vehicle;
aircraft;
watercraft;
rotorcraft;
locomotive; or
piston engine powered electrical generator.

8. The system of claim 1 , wherein the fuel-consuming component comprises a vehicle, and wherein the system is configured to communicate with an on-board diagnostic port of the vehicle.

9. The system of claim 1 , wherein the fuel-consuming component comprises a vehicle, and wherein the system includes a hand-holdable housing and is removably attached to a portion of the vehicle.

10. The system of claim 1 , wherein the fuel-consuming component comprises a vehicle, and wherein the system is configured to return an unused portion of the fuel test sample which has been analyzed to a fuel tank of the vehicle.

11. The system of claim 1 , wherein the fuel-consuming component comprises a vehicle, and wherein the system is configured to direct a vapor-phased fuel sample, vaporized portion of an initially liquid fuel sample, or oxidized fuel sample which has been analyzed to at least one of an intake manifold and an evaporative emissions canister associated with the engine of the vehicle.

12. The system of claim 1 , further comprising at least one of:
a short range wireless radio for enabling the system to make a wireless communications link with a personal electronic device of a user or a cloud-based system; or
a subsystem for enabling a wired communications connection to be made with the personal electronic device of the user.

13. The system of claim 1 , wherein the fuel-consuming component comprises a vehicle, and wherein the system is configured to be powered by at least one of:
an AC power source of the vehicle;
a DC power source of the vehicle;
an AC power source independent of the vehicle; and
a DC power source independent of the vehicle.

14. The system of claim 1 , wherein the fuel-consuming component comprises a vehicle, and wherein the combustion related information is obtained from an engine control module (ECM) of the vehicle, to help determine the at least one characteristic of the test fuel sample.

15. A miniaturized fuel laboratory system adapted to be contained on a fuel burning vehicle and powered by the vehicle's DC battery, the system comprising:
a housing;
a processor housed within the housing;
an electrical input/output communications port supported on the housing adapted to be placed in communication with a wiring harness of the vehicle to bidirectionally communicate with the processor and with an electronic control module (ECM) of the vehicle;
a fuel inlet port supported on the housing for receiving a quantity of fuel to be used as a fuel test sample;
at least one fuel sensor supported from the housing and in communication with the fuel inlet port for receiving the fuel test sample;
the processor using information obtained by the fuel sensor to determine at least one characteristic of the fuel test sample, and to receive combustion related information concerning combustion occurring within an engine of the vehicle;
a fuel return line to return an unused portion of the fuel test sample to a fuel tank of the vehicle; and
the processor further using the combustion related information in analyzing the fuel test sample, and to communicate additional information back to the ECM of the vehicle for use by the ECM in controlling the engine.

16. The system of claim 15 , wherein the processor uses the at least one fuel characteristic and the combustion related information to generate new information for assisting the ECM in controlling at least one of:
mapping of a mass air flow sensor to change an air/fuel ratio being used by the engine;
valve timing and lift profile of a valve train of the engine;
spark timing for the engine;
injection characteristics on each injector of each cylinder of an engine, including number of injections, timing for each injection, and a profile of each injection event;
fuel injector pressure for the engine;
a wastegate of a turbocharger of the engine;
boost of a turbocharger of the engine;
boost of a supercharger of the engine; and
engine temperature set-point.

17. The system of claim 15 , wherein the at least one sensor comprises at least a subplurality of:
a distillation sensor for measuring a volume of liquid in a mixture that has evaporated at least one a given temperature or a given vapor pressure, and providing information regarding at least one of a boiling point temperature, enthalpy of vaporization, and a molecular composition;
a surface tension sensor for sensing a resistive force of a surface film of a

Assignees

• L Livermore Nat Security Llc

Inventors

• Mcnenly Matthew J
• Oxberry Geoffrey M
• Ismail Ahmed E
• Killingsworth Nicholas
• Flowers Daniel L

Classifications

• F02D19/0626

  Measuring or estimating parameters related to the fuel supply system · CPC title

• G01K17/00

  Measuring quantity of heat (measuring temperature by calorimetry G01K3/00 - G01K11/00; specially adapted for measuring thermal properties of materials, e.g. specific heat, heat of combustion G01N) · CPC title

• G06F17/14

  Fourier, Walsh or analogous domain transformations {, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms (for correlation function computation G06F17/156; spectrum analysers G01R23/16)} · CPC title

• G01N33/2817 Primary

  using a test engine · CPC title

• F02D19/0649

  Liquid fuels having different boiling temperatures, volatilities, densities, viscosities, cetane or octane numbers · CPC title