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Intellectual Property of E. Greg Ibizugbe
2Onboard Vehicle Refueling System Invention
• Present invention provides a solution to the CNG station
unavailability prob...
3Onboard Vehicle Refueling System Invention
4
Onboard Vehicle Refueling System Invention
• Onboard refueling operation is
accomplished by the compression
module which...
5Onboard Vehicle Refueling System Invention
• Natural gas is commonly used as
an energy source for heating,
cooking, and e...
6Onboard Vehicle Refueling System Invention
• Lower fueling costs – natural gas
remains cheaper than liquid fuels
gasoline...
7Onboard Vehicle Refueling System Invention
• Environmental benefits – combustion of natural gas is
cleaner burning; emits...
8Onboard Vehicle Refueling System Invention
• Advantages also include
safety – natural gas is a much
safer fuel than gasol...
9Onboard Vehicle Refueling System Invention
• Unfortunately a major problem hinders wider scale
adoption of natural gas po...
10Onboard Vehicle Refueling System Invention
• Embodiments of this invention provide mobile
refueling capability for Natur...
11Onboard Vehicle Refueling System Invention
• Invented system comprises of
the following fundamental
components:
‒ An Onb...
12Onboard Vehicle Refueling System Invention
• Other primary components include
‒ Gas Cooler
 Which is located in the Com...
13
Onboard Vehicle Refueling System Invention
• Other components include
‒ Sensor Network
 An array of sensors wired to t...
14Onboard Vehicle Refueling System Invention
• To initiate refueling operation, vehicle is
placed in proximity to a utilit...
15Onboard Vehicle Refueling System Invention
• Refueling operation is initiated on the
User Interface Module also known as...
16Onboard Vehicle Refueling System Invention
• Within the Compression Module, fuel gas is
compressed through multiple stag...
17
Onboard Vehicle Refueling System Invention
• There are 3 major variations of the gas
cooler in my invention:
‒ Phase Ch...
18Onboard Vehicle Refueling System Invention
• Back to the onboard refueling operation –
compressed gas exits the Gas Cool...
19Onboard Vehicle Refueling System Invention
20Onboard Vehicle Refueling System Invention
• Enables Natural Gas Vehicles fitted with invented
system to refuel from bui...
21Onboard Vehicle Refueling System Invention
• Built-in wireless capability enables convenience
of remote operations
• Onb...
22Onboard Vehicle Refueling System Invention
• Nigeria
‒ 20 Year Patent awarded
‒ Patent no NG/P/2013/566
• International
...
23Onboard Vehicle Refueling System Invention
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My Invention - Onboard Vehicle Refueling System (OVRS) - Abridged Slideshare Version

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Present invention provides a solution to the CNG station unavailability problem by imparting a mobile refueling capability to vehicles that run on compressed natural gas or other gaseous fuels. It accomplishes this through an integrated system of onboard compression, storage, interface modules and a centralized electronic control system; onboard refueling operation is implemented by the compression module which is enclosed in lightweight, acoustic containment within the vehicle. With this invention, natural gas vehicles or NGVs are effectively able to refuel from readily available sources of natural gas: such as home residences, commercial and other building facilities with existing utility gas piping infrastructure

Published in: Technology, Business

My Invention - Onboard Vehicle Refueling System (OVRS) - Abridged Slideshare Version

  1. 1. Intellectual Property of E. Greg Ibizugbe
  2. 2. 2Onboard Vehicle Refueling System Invention • Present invention provides a solution to the CNG station unavailability problem by imparting a mobile refueling capability to vehicles that run on compressed natural gas or other gaseous fuels. • It accomplishes this through an integrated system of onboard compression, storage, interface modules and a centralized electronic control system; onboard refueling operation is implemented by the compression module which is enclosed in lightweight, acoustic containment within the vehicle. • With this invention, natural gas vehicles or NGVs are effectively able to refuel from readily available sources of natural gas: such as home residences, commercial and other building facilities with existing utility gas piping infrastructure. • Invention applies to vehicles that run on compressed natural gas (CNG) or other compressed fuel gas (CFG) such as Dimethyl Ether (DME), Syngas, Propane et al.
  3. 3. 3Onboard Vehicle Refueling System Invention
  4. 4. 4 Onboard Vehicle Refueling System Invention • Onboard refueling operation is accomplished by the compression module which is enclosed in a lightweight acoustic containment within the vehicle. • Fuel gas from low pressure sources such as residential / commercial utility gas piping is hooked up to the vehicle fuel receptacle which feeds the compression module. Fuel gas is subsequently compressed to higher pressures and intercooling is implemented through a gas cooler to increase stored gas volumes prior to tank delivery. • An Electronic Control Module (ECM) utilizing stored algorithms administers control over onboard refueling, shutdown, regeneration (adsorbed tanks) operations as well as providing a means for temperature based repletion of storage tanks. • Human machine interface is provided by a User Interface Module (UIM) which domiciles system indicators and control settings. UIM also serves as a two way communication platform linked to the ECM and provides resources for transmission of audio visual alerts, wireless remote operation and network support.
  5. 5. 5Onboard Vehicle Refueling System Invention • Natural gas is commonly used as an energy source for heating, cooking, and electrical generation. • It is also used as a fuel for vehicles. Natural gas is more plentiful and cheaper than gasoline. • However, in many regions globally Africa, Europe and North America - there are currently very few natural gas refueling stations for vehicles. Natural gas vehicles (NGVs) have been around for long and operate by utilizing compressed natural gas also known as CNG. • Use of fuel gas other natural gas is called compressed fuel gas or CFG. • There are several advantages or benefits with using natural gas over conventional liquid fuels such as petrol (gasoline) and diesel.
  6. 6. 6Onboard Vehicle Refueling System Invention • Lower fueling costs – natural gas remains cheaper than liquid fuels gasoline or diesel • And the price spread or differential between oil and gas is widening… • Number of reasons for this… ‒ Supply: Geologically there’s always more volumes of gas than oil in ground ‒ More Supply: Growing shale gas production worldwide from previously uneconomic reserves ‒ Constraints associated with liquid hydrocarbon production e.g. OPEC Quotas, Escalating costs etc. • Natural gas much less costly to refine for consumer use ‒ Multiple refining stages required to produce Petrol (Gasoline) / Diesel grades used today
  7. 7. 7Onboard Vehicle Refueling System Invention • Environmental benefits – combustion of natural gas is cleaner burning; emits far lower greenhouse gas emissions than gasoline or diesel. • As a matter of fact, natural gas is the cleanest burning fossil fuel and unlike gasoline or diesel combustion does not produce solid particulate emissions that worsen air pollution
  8. 8. 8Onboard Vehicle Refueling System Invention • Advantages also include safety – natural gas is a much safer fuel than gasoline or diesel as it has a narrower flammability range than both liquid fuels. • It is also lighter density than air, therefore in case of a leak, it quickly disperses into air with adequate ventilation
  9. 9. 9Onboard Vehicle Refueling System Invention • Unfortunately a major problem hinders wider scale adoption of natural gas powered vehicles exists – namely there is a huge deficit or shortage in the number of CNG supply stations worldwide compared to those for liquid fuels, gasoline and diesel. • For example, in the United States alone - it is estimated that there are roughly over 1,000 CNG stations compared to over 120,000 stations for gasoline and diesel (i.e. 1 CNG to 120 petrol/diesel) • Building up CNG fuel station and delivery infrastructure to be on par with current gasoline/diesel capacity is quite capital intensive and such investments takes time. • This means current shortfall in number of CNG fuel stations will not be remedied for years to come. • In Africa, there are very few instances of operating CNG stations despite bountiful reserves of natural gas and despite existing gas distribution infrastructure • My invention provides a solution to this CNG fuel station unavailability problem by imparting a mobile refueling capability to natural gas vehicles. In essence, the vehicle becomes a mobile refueling station. • Invention enables natural gas vehicles to effectively refuel from readily available sources of natural gas such as existing utility gas piping in homes residences and other building facilities with existing utility gas piping infrastructure.
  10. 10. 10Onboard Vehicle Refueling System Invention • Embodiments of this invention provide mobile refueling capability for Natural Gas Vehicles or NGVs that burn compressed natural gas (CNG) or other compressed fuel gas (CFG) such as Syngas, Dimethyl Ether (DME), Hydrogen, et al (such vehicles are known as Fuel Gas Vehicles or FGVs). • Invented system may be built into a vehicle by vehicle manufacturer or vendor at the factory, or retrofitted into an existing vehicle. • In developed countries, a utility natural gas distribution system already exists for use in homes, offices and commercial or public buildings. This existing utility gas infrastructure provides a readily accessible source of natural gas that can be put to use in fueling natural gas vehicles. • My invention leverages this existing utility gas infrastructure to provide a refueling solution for Natural Gas Vehicles, thereby resolving the CNG fuel station scarcity problem that has plagued adoption of Natural Gas Vehicles. • Therefore using the invented system, the natural gas vehicle is no longer tied down to the nearest CNG fuel station or standalone garage-based vehicle refueling appliances; as they not needed. • Invented system also allows NGVs to refuel at any location with a permissible source of natural gas such as Gas Tank Farm, Pipelines, Parks, Ports etc. Any location or facility that has utility gas can become a refueling point for a vehicle using embodiments of the invention.
  11. 11. 11Onboard Vehicle Refueling System Invention • Invented system comprises of the following fundamental components: ‒ An Onboard Gas Compressor  Which is mounted within the vehicle, for compressing lower pressure gas fuel into the higher pressure gas fuel; ‒ Storage Tanks  At least one storage tank, which is mounted within the vehicle, for storing the high pressure gas fuel; and ‒ Electronic Control Module  An electronic control module (ECM), which is mounted on the vehicle, that controls the compressor and controls delivery of high pressure gas fuel from the at least one storage tank to the engine. Onboard Compression Module Gas Flow Gas Cooler Multi-stage Compressors To Storage TanksECM Motor
  12. 12. 12Onboard Vehicle Refueling System Invention • Other primary components include ‒ Gas Cooler  Which is located in the Compression Module and cools the compressed gas after each stage of compression.  This process is referred to as ‘Intercooling’ and provides cooling benefits of higher volumes of gas stored (more mileage) and reduced storage temperature. ‒ Lower Pressure Hose  Delivers natural gas from utility piping to NGV fuel receptacle ‒ User Interface Module (UIM)  Interface for human control is provided by the user interface module (UIM) which domiciles system indicators and control settings. Refueling operation is initiated on the UIM via touch or voice activation.  UIM also serves as a two way communication platform linked to the ECM and provides resources for transmission of audio-visual alerts, wireless remote operation and network support.  Physical definition of the UIM is very flexible, it could be a touch screen device, or an abstract projection or a panel with hard indicators and controls. The UIM may include abstract or physical representations of one or more forms (e.g. touch screen, control panel, dials, sensor readouts) that allows the user to interact with the system
  13. 13. 13 Onboard Vehicle Refueling System Invention • Other components include ‒ Sensor Network  An array of sensors wired to the ECM for safety and control monitoring tasks such as gas leak detection, vehicle motion detection, overpressure / overheating detection, impurity detection, etc.  Sensors monitor various conditions during refueling operation and relay data back to the ECM which automatically takes the decision to shutdown refueling operation if safety thresholds have been exceeded. ‒ Control Devices Network  An array of valves and other control devices wired to the ECM.  ECM executes shutdown or control of refueling operation through control valves / devices. ECM (controls / shuts down refueling operation) Gas Leak Detectors Vehicle Motion Sensor Pressure /Temp Sensors Oxygen-in-Gas Detector ECM (controls / shuts down refueling operation) Safety Shutoff Valves Flow Control / Check Valves Diverter Valves Relief Valves
  14. 14. 14Onboard Vehicle Refueling System Invention • To initiate refueling operation, vehicle is placed in proximity to a utility gas piping outlet and building electrical power supply. • A little plumbing is required to install breakaway fittings on the gas piping outlet to couple up one end of the low pressure hose fuel hose with a dispenser head at the other end that is similarly coupled up into the vehicle fuel receptacle. • This provides a safety benefit of quick disconnection if the hose is yanked or vehicle moves. This low pressure fuel hose feeds utility gas from the gas piping outlet into the vehicle fuel receptacle. • An electrical power cable with one end connected to the vehicle power receptacle is then hooked up to the building 110 or 220V electrical power outlet. This supplies electrical power required to operate electric motor that drives the onboard compressor within the vehicle.
  15. 15. 15Onboard Vehicle Refueling System Invention • Refueling operation is initiated on the User Interface Module also known as UIM via touch or voice or even remote activation. • Following activation on the UIM, a 3 Port Diverter Valve at the inlet to the Compression Module switches flow path to the suction side of the Onboard Compressor. • Safety valves open up and the Electric Motor drives the multi-stage Onboard Gas Compressor. • At this stage, the UIM displays ‘ON’ status on an indicator tagged ‘Onboard Fueling Mode’ and audio- visual notification is transmitted to the vehicle user. • The UIM is designed to support wireless and remote operations functionality. This means notification not just limited to the console but is transmittable to a remote controlled device wirelessly linked to the UIM. 3-Port Diverter Valve Direct Fueling Pathway Onboard Compression Pathway Gas Flow Gas Flow Engine
  16. 16. 16Onboard Vehicle Refueling System Invention • Within the Compression Module, fuel gas is compressed through multiple stages as well as being cooled via the Gas Cooler connected to the Gas Compressor. • The Gas Cooler is an innovative component of my invention and cools the hot compressed gas each time it exits a stage form the gas compressor. This process is referred to as Intercooling and it provides tremendous benefits by increasing the final density of stored gas via temperature reduction. • The benefit is that higher density translates to more volumes of gas stored within a fixed tank space which translates to increased driving range or mileage. An additional benefit of the Gas Cooler unit is the reduced thermal stress on the fuel tank since compressed gas is delivered at close to ambient temperature; this prolongs the service life of the fuel tanks.
  17. 17. 17 Onboard Vehicle Refueling System Invention • There are 3 major variations of the gas cooler in my invention: ‒ Phase Change Gas Cooler  The first variation of the Gas Cooler is the Phase Change Embodiment – it contains No Moving Parts and utilizes Phase Change materials within a liner in the Gas Cooler.  Phase Change materials such as salt hydrates absorb large amounts of heat energy also known as heat of fusion when undergoing transition from solid to liquid state thereby cooling down the hot compressed gas prior to storage in fuel tanks.  This embodiment is particularly useful for space constrained application such as small cars or bikes. ‒ Direct Air-Cooled Gas Cooler  The Second variation or embodiment of the Gas Cooler takes a more conventional approach and utilizes Direct Air Cooling by employing a Cooler Fan. ‒ Pumped Coolant Gas Cooler  The Third variation of the Gas Cooler utilizes a pumped Coolant Fluid which is not air but may be liquid or gaseous. This Gas Cooler variation is suitable for application that demand rapid cooling and higher gas flow capacity. Gas Cooler: Phase Change Embodiment Gas Cooler: Direct Air Cooled Embodiment Gas Cooler: Pumped Coolant Embodiment
  18. 18. 18Onboard Vehicle Refueling System Invention • Back to the onboard refueling operation – compressed gas exits the Gas Cooler at high pressure. • In conventional applications this final pressure may be as high as 3000 to 3600 pounds per square inch which is equivalent to 250 times normal atmospheric pressure! • The compressed gas is delivered to the fuel storage tanks and following final tank fill up at desired final pressure, the Onboard Gas Compressor shuts down and Safety valves before and after the Gas Compressor shut close. • Next the 3 Port Diverter Valve switches to the direct flowpath to the fuel tanks while at the UIM an indicator tagged ‘Onboard Fueling Mode’ displays ‘OFF’ status and an audio-visual notification is transmitted to the vehicle user. • At this point, the external low pressure hose and electric power cable are manually disconnected by the vehicle user and vehicle is fueled up, ready for use.
  19. 19. 19Onboard Vehicle Refueling System Invention
  20. 20. 20Onboard Vehicle Refueling System Invention • Enables Natural Gas Vehicles fitted with invented system to refuel from buildings or facilities with existing utility gas piping • Captures economic benefits of natural gas as a transportation fuel • Sidesteps current scarcity problem of natural gas fuel stations • Patented suite of networked sensors provide extensive range of monitoring and detection of condition or state changes • Safe, automated shutdown of refueling operation whenever temperature, pressure, motion, purity or containment thresholds have been breached • Patented optimization features – including variable tank storage pressure setting that is set proportionally to ambient temperature to avoid overpressurization during hotter weather • Innovative networking capabilities provided by system through inclusion of wireless and network controller circuits • Enables online vendor service delivery and diagnostics as well as logging of runtime data
  21. 21. 21Onboard Vehicle Refueling System Invention • Built-in wireless capability enables convenience of remote operations • Onboard refueling can be started or terminated remotely by vehicle user • Invented system includes patented gas cooler and tank system designs that are scalable to different sizes and types of vehicles or crafts • For example: Conformal storage tank embodiment allows invented system to adapted to space constrained applications such as motor bikes, carts and trikes • Reliability is heavily factored in design philosophy of the invented system • For example: Moisture extractor in design ensures water present in feed gas stream is removed in order avoid impairment to compressor service life • Networking features built into patented invented system ensures vendor or maintenance service provider is never far away • Online diagnostics, automated system messaging enable seamless vendor engagement when needed
  22. 22. 22Onboard Vehicle Refueling System Invention • Nigeria ‒ 20 Year Patent awarded ‒ Patent no NG/P/2013/566 • International ‒ Patent pending ‒ US provisional patent in place. ‒ Patent application filed with USPTO ‒ Patent application efforts in other countries in progress • Available for licensing ‒ In whole or part • Open to licensing offers from interested parties • inventorgreg@outlook.com • www.ng.linkedin.com/pub/greg- ibizugbe/18/256/94 • http://www.slideshare.net/gregibizugbe/ • www.facebook.com/greg.ibizugbe
  23. 23. 23Onboard Vehicle Refueling System Invention

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