CN1795112A - Gaseous fuel management system of automotive vehicule - Google Patents
Gaseous fuel management system of automotive vehicule Download PDFInfo
- Publication number
- CN1795112A CN1795112A CNA2004800143974A CN200480014397A CN1795112A CN 1795112 A CN1795112 A CN 1795112A CN A2004800143974 A CNA2004800143974 A CN A2004800143974A CN 200480014397 A CN200480014397 A CN 200480014397A CN 1795112 A CN1795112 A CN 1795112A
- Authority
- CN
- China
- Prior art keywords
- fuel
- gaseous fuel
- gas
- management system
- primary mover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0293—Safety devices; Fail-safe measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/025—Failure diagnosis or prevention; Safety measures; Testing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/026—Measuring or estimating parameters related to the fuel supply system
- F02D19/029—Determining density, viscosity, concentration or composition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0242—Shut-off valves; Check valves; Safety valves; Pressure relief valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
A gaseous fuel management system for an automotive vehicle includes at least one gas sensor for detecting the presence of gaseous fuel outside of the confines of the vehicle's fuel storage tank, fuel lines, and prime mover. In the event that fugitive gas is detected and the concentration exceeds a predetermined threshold, the fuel supply to the vehicle's prime mover will be shut off and, if so equipped, the vehicle may then be operated in a battery power mode for the convenience of the driver.
Description
Technical field
The present invention relates to a kind of system that is used to distribute and is used to handle the gaseous fuel of the primary mover (prime mover) that is provided to self-propelled vehicle in addition.
Background technology
Vehicle designers more and more has such trend: the continuous growth of fuel efficiency and lower missile demand.Although several advantages are provided, gaseous fuel has proposed unique challenges to the designer, comprises the fugacious missile (emission) that is difficult to handle gaseous fuel.For example, the release of N/R hydrogen is difficult to detect with sense of smell or vision, and the result, need to use electronic detecting device to be used for detecting the hydrogen of escape and set up at vehicle the system suitably measured with alleviate hydrogen or such as the N/R emission effect of the gaseous fuel of natural fuels or blue gas.
The U.S. Patent No. 6,290,594 that transfers cessionary of the present invention discloses the system of measuring fugacity hydrogen in a kind of vehicle that is provided with fuel cell, and described vehicle has the concentration that fan is used to reduce the free hydrogen within the vehicle inside space.But, when fugacious hydrogen is detected, patent ' 594 had not both had to cut off the fuel of supplying with from the gaseous fuel storage box, also the concentration less than the fugacious hydrogen that is detected in the arbitrary different spaces within vehicle or other fuel guarantees that the primary mover of vehicle loses under the situation alive, the loss strategy pattern is provided, provides the combustion engine hybrid vehicle of power and the driver of traction motor/generator to operate the vehicle preset time cycle with motor/generator to allow to be provided with by hydrogen or other gaseous fuel.
Summary of the invention
A kind of gaseous fuel management system that is used to have the power actuated vehicle of passenger accommodation and primary mover has: fuel system, the fuel circuit that it comprises the gaseous fuel storage box and is used for from storage box gaseous fuel being transferred to primary mover.Fuel circuit has at least one electronic control valve, is used for being controlled at the flowing of gaseous fuel of fuel circuit.The fuel management controller that operationally is connected with electronic control valve, the gas sensor within being installed to vehicle detect shutoff valve under the situation of existence of the fugitive gas fuel outside the compass one of at least in gaseous fuel storage box or fuel circuit or the primary mover.According to the present invention, primary mover can comprise combustion engine, fuel cell, the combustion engine that is connected with traction motor/generator, perhaps disclosed other consumption of fuel primary mover in known or this open text to those of ordinary skill.
Fuel management system according to the present invention preferably also comprises: at least one air circulator, described air circulator response is operated by the fuel management controller from the gas detection signals of gas sensor.Air circulator can comprise that an air blower or fan or other are used for air is moved through the device in the space of vehicle, removing from the fugacious fuel gas in the space that is ventilated.The passenger accommodation of vehicle can ventilate by being operationally connected to the fuel management controller at least one window in passenger accommodation, may be that side window mouth or sun-roof or other removable window of closing panel can respond from the gas detection signals of gas sensor and open like this.With regard to this respect, term " glass port (glazing) panel " refers to visual unit, and such as window, perhaps transparent or translucent removable panel, described removable panel can be used for the passenger accommodation of vehicle is ventilated.
Comprise under the situation of combustion engine that at primary mover according to the present invention if suitable gas detection signals occurs from gas sensor, the fuel management controller just will place and keep one or more electronically controlled fuel valve in the position of cutting out.Under the situation that higher levels of gas detection signals occurs, can adopt other action.For example, the fuel management controller can prevent that traction battery charges again, if vehicle is equipped like this, perhaps prevents the fuel make up of vehicle.In addition, as mentioned above, under the situation that gas detection signals occurs, the fuel management controller can cut out electronically controlled fuel case valve to stop the driving engine of vehicle, allows vehicle to continue operation with traction motor/generator simultaneously.
According to a preferred embodiment of the invention, the imagination vehicle can use a plurality of gas detection sensors.Sensor can be settled within the casing (enclosure) that fuel storage box is installed within it, and within engine room or primary mover chamber.Extra sensor can be placed within the passenger accommodation, with and the casing of interior installation traction battery within.In other preferred embodiment, at least one ventilator tube will be placed, first end of described like this pipeline is connected to the casing that fuel storage box is installed in it, second end of pipeline is connected to the air extraction apparatus of the outside face that is installed to automobile, any thus from fuel storage box enter into the fugacious fuel gas of fuel tank enclosure will be when vehicle moves by flowing through body the surface air and be extracted from casing.So-called passive type of device that Here it is owing to use formed breather port in the top part that is formed on the primary mover chamber, allows windstream to remove fugacious fuel gas missile in the time of the primary mover chamber like this.
According to a further aspect of the invention, a kind of operation has the method by the gaseous fuel power actuated vehicle of the primary mover of gaseous fuel and traction motor/generator, comprise the steps: to provide passive ventilation system to alleviate any remarkable gathering of the fugacious fuel gas within the different spaces within the vehicle, and at least one inner space of monitor vehicle, to determine the existing of fugacious fuel gas within the described space by at least one electronic sensor.Described method also comprises provides at least one air circulator, such as fan or air blower, when operation that stops primary mover and the operation of permission traction motor/generator,, use traction electric machine and traction battery to allow the driver to limit operation simultaneously with the inner space that the decontamination cycle device is served.
The additional step of the method according to this invention comprises: open the removable glass port (glazing) in the passenger accommodation of vehicle, and close the fuel feeding valve between gas fuel tank and the primary mover.Can not operate or surpass under the situation of predetermined fugacious fuel gas concentration threshold value if become at the electronic gas sensing system, stop primary mover by cutting off its raw material supplying, allow the operation traction motor/generator simultaneously, and operate the inner space of at least one air circulator simultaneously with the cleaning vehicle.
The invention has the advantages that fugacious fuel gas missile can be handled by this way: in the reliability that improves vehicle, keep the fuel efficiency of vehicle.
An advantage of the present invention is: this gaseous fuel management system can be used hydrogen, natural fuels or autogas, and can use in the fuel cell or the motor of engine/generator combination that have as primary mover, be driving engine perhaps, perhaps in the vehicle of the consumption of fuel primary mover of other type.
Other advantage of the present invention and purpose and feature will become apparent after having read specification sheets of the present invention.
Description of drawings
Fig. 1 is the transparent view that has the vehicle of fuel management system according to of the present invention;
Fig. 2 is the transparent view on the chassis of vehicle shown in Figure 1, has shown and native system and the relevant different parts of method;
Fig. 3 is the planar view of vehicle shown in Fig. 1,2;
Fig. 4 is the system block diagram according to the different parts of gaseous fuel management system of the present invention;
Fig. 5 is the diagram of circuit according to the part of the operation of gaseous fuel management system of the present invention.
The specific embodiment
As shown in Figure 1, vehicle 10 has several removable window unit, such as side window 52 and skylight (moon roof) 46.Vehicle 10 has the vent window 44 in a series of trailing edges that are formed on engine compartment hood 42.At last, vehicle 10 has and is formed on NACA air extractor vent 56 and cooresponding four of the passenger side (right side) that is formed on that four of chaufeur (left side) side opens on the plate and opens NACA air extractor vent (scoop) on the plate.When vehicle 10 motions, air passes through the internal suction of the aerodynamic action of NACA air extractor vent from vehicle 10.Such feature provides the part of passive type ventilation system, as the ventilation that is provided by vent window 44.As shown in Figure 2, the chassis of vehicle 10 has Fuel Tank 12, and described Fuel Tank 12 is any compression and/or liquefied fuel gas casees that are suitable in natural fuels, hydrogen, autogas or other compression and/or the liquefied fuel gas.As used herein, term " gaseous fuel " refers to promptly or is to be stored as single-phase pressure gas or stored is the pressure gas of two-phase and the fuel of liquid.
Gaseous fuel is suspended in the air usually, uses to ventilate by skylight 46 and engine room vent window 44 and will utilize this natural buoyancy.This is passive drafting apparatus, spurs air by fuel tank enclosure ventilator tube 88 (Fig. 3) as using the NACA air extractor vent.Pipeline 88 has inner panel that links to each other with fuel tank enclosure 18 and the outside plate that links to each other with one of aforementioned NACA pipeline.Be placed in the existence of gaseous fuel (being hydrogen in this case) in the scope outside of the gas sensor 22b detection of stored case 12 within the fuel tank enclosure 18.Described as a complete, when detecting the gaseous fuel that does not need level by sensor 22b, fuel tank enclosure ventilating fan 84 is used to tank shell 18 is ventilated.When seeing these open files, those of ordinary skill will understand, and as described herein, can using gases sensing and active and passive drafting apparatus, and suitably adjust lacking buoyancy.
Holding the high-voltage relay wire fuse and the relay case 72 that are used to operate traction motor/generator 34 is provided with the ventilating fan of opening 74 as described below.
As shown in Figure 4, vehicle 10 also comprises Driver Information telltale 36, and described Driver Information telltale 36 is operated by fuel management controller 24.Driver display 36 comprises bicolored light, can see from the inboard and the outside of vehicle 10.If lamp is green, this means within fuel processing system, not detect defective.If lamp is red, this means or detected fugacious fuel gas and be in above the concentration on the threshold concentration, or one or more sensor 22 nonconformitys.Driver display 36 also comprises the audible alert device, if detect higher levels of fugitive gas, starts described audible alert device.
As shown in Figure 4, fuel management controller 24 operation movable windows 46,52, and air circulator 28, described air circulator 28 comprises the different air circulators that are used for tank shell 18, battery container 32, passenger accommodation HVAC fan 66 and engine room cooling fan/radiator cooling fan 64.Fuel management controller 24 also operationally is connected with vehicle system controller 38 from gas sensor 22a-22d received signal, and 38 pairs of driving engines 26 of described vehicle system controller and traction motor/generator 34 have the supervision controllable function.Fuel management controller 24 is also operated fuel valve 58a-58c.
As shown in Figure 5, the method according to this invention is in square frame 100 beginnings.On square frame 102, fuel management controller 24 operating gas sensor 22a-d are with the sample within the inner space within the collection vehicle 10.The present inventor determines by Makel Engineering of Chico, and CA manufacturing and the little processing gas sensor of silicon with model identification 02HDS021 are useful for implementing the present invention.
On square frame 104, if any, the concentration of measured fugacious fuel gas and low concentration threshold value CG
1Mate.At fugacious fuel gas less than CG
1Situation under, program continues sampling on square frame 102.If but at square frame 104, concentration surpasses CG
1, program moves to square frame 106, wherein allows the mitigation routine of reduced levels.
Mitigation routine at the reduced levels of square frame 106 comprises the removable glass port of opening such as skylight 46 or side window 52, interrupts the high-voltage charging of traction battery 14, and the warning driver has detected fugacious fuel.If detect leakage in passenger accommodation, environment control fan 66 will be operated.If detect fugacious fuel gas in engine room, engine cooling fan 64 will be operated, and will stop environment control fan 66.Equally, prevent the fuel make up of vehicle.
After square frame 106 beginning lower level mitigation routine, program moves to square frame 108, at measure gas concentrations and the upper threshold value CG of autobiography sensor 22a-d in this future
2Compare.If gas concentration is not more than CG
2, lower level mitigation routine continues density loss up to gas to threshold value CG
1Under.If on square frame 108, gas concentration has surpassed CG
3, program just moves to square frame 110, will be stopped by fuel cutoff valve 58a, b and c fuel shutoff at this primary mover 20.Be used for slow light any fuel system integration problem like this, described problem appears in the fuel circuit 16 of between Fuel Tank 12 and primary mover 20 transport gas or liquid, and any fuel within the slow light primary mover is handled problems.
Stopped primary mover at square frame 110, fuel management controller 24 moves to square frame 112, the higher levels of mitigation routine of operation on square frame 112, the mitigation routine of this higher level comprises such as definite Fuel Tank screw down valve 58a, b and c closes under all conditions, and also comprises the operation of keeping ventilating fan 80,84.In case fuel screw down valve 58a-c is closed, the operator that they just can not be opened up to by vehicle again manually is provided with again.
As in square frame 110 explanations, when stopping primary mover 20, driving engine 26 will not accepted any fuel, the result, to start the limited operation strategy or (limp-home) pattern of going home of slowly walking or drive slowly with motor of engine/electrical generator 34, allow to have only the vehicle of electric power-handling capability to be driven the limited time cycle, this is easily for the driver.On square frame 114, the program of Fig. 5 continue operation higher level mitigation routine up to the concentration of fugitive gas at CG
2Under.If the concentration of measured fuel gas is positioned at CG at square frame 112 places
2Under, program just moves to square frame 104 and continues measured concentration and CG
1Compare.The method of Fig. 5 is preferably moved, no matter when vehicle 10 is loaded with fuel.
Although preferred embodiments of the present invention have been disclosed for illustrative, those of ordinary skill are appreciated that and can make amendment to the present invention that its scope is limited by claims and equivalent thereof under the situation that does not deviate from spirit of the present invention and essence.
Claims (30)
1. gaseous fuel management system that is used to have the power actuated vehicle of passenger accommodation and primary mover, described gaseous fuel management system comprises:
The gaseous fuel storage box;
Fuel circuit, described fuel circuit are used for gaseous fuel is transferred to described primary mover from described storage box, and described fuel circuit has at least one electronic control valve, are used for being controlled at the flowing of gaseous fuel of fuel circuit;
At least one gas sensor, be used for detecting the existence of gaseous fuel in the boundary outside one of at least of described storage box, described fuel circuit and described primary mover, described sensor issues out gas detection signals in situation about detecting above the concentration of the fuel gas of predetermined threshold levels;
The fuel management controller, described fuel management controller operationally is connected with described gas sensor with described electronic control valve, and described controller cuts out described electronic control valve when described gas sensor sends gas detection signals.
2. gaseous fuel management system according to claim 1 is characterized in that described primary mover comprises combustion engine.
3. gaseous fuel management system according to claim 1 is characterized in that described primary mover comprises fuel cell.
4. gaseous fuel management system according to claim 1 is characterized in that, also comprises at least one atmospheric circulation device, and described air circulator response is operated by described fuel management controller from the gas detection signals of described gas sensor.
5. gaseous fuel management system according to claim 1 is characterized in that, the response of described fuel management controller is opened at least one window in the described passenger accommodation from the gas detection signals of described gas sensor.
6. gaseous fuel management system according to claim 1 is characterized in that, described at least one window comprises the skylight in the described passenger accommodation.
7. gaseous fuel management system according to claim 1 is characterized in that described primary mover comprises combustion engine, and under the situation that described gas detection signals occurs, described fuel management controller places and keep described electronic control valve in the position of cutting out.
8. gaseous fuel management system according to claim 1 is characterized in that described primary mover comprises the combustion engine that is connected to traction motor/generator and driving system.
9. gaseous fuel management system according to claim 8 is characterized in that, described fuel management controller prevents recharging of described traction battery under the situation that described gas signal occurs.
10. gaseous fuel management system according to claim 8, it is characterized in that, described fuel management controller not only cuts out electronic control valve under the situation that described gas detection signals exists, and allows described vehicle to continue operation with described traction motor/generator.
11. gaseous fuel management system according to claim 1 is characterized in that, described gaseous fuel comprises hydrogen.
12. gaseous fuel management system according to claim 1 is characterized in that, described gaseous fuel comprises natural fuels.
13. gaseous fuel management system according to claim 1 is characterized in that, described gaseous fuel comprises autogas.
14. gaseous fuel management system according to claim 1 is characterized in that, also comprises warning system, is used for the driver of the described vehicle of warning under the situation that gas detection signals occurs.
15. gaseous fuel management system according to claim 1 is characterized in that, described at least one gas detection sensor is settled and is installed within it within the casing of described fuel storage box.
16. gaseous fuel management system according to claim 1 is characterized in that, described at least one gas detection sensor is placed the indoor of described primary mover is installed within it.
17. gaseous fuel management system according to claim 1 is characterized in that, described at least one gas detection sensor is positioned in the described passenger accommodation.
18. gaseous fuel management system according to claim 8 is characterized in that, described at least one gas detection sensor is placed within the casing that described traction battery is installed within it.
19. gaseous fuel management system according to claim 1, it is characterized in that, also comprise at least one ventilator tube, described ventilator tube has first end and second end, first end is connected to the casing that fuel storage box is installed in it, second end is connected to the air extraction apparatus of the outside face that is installed to described automobile, anyly thus enters into the fuel gas that described casing escapes from described fuel storage box and will be extracted from described casing.
20. gaseous fuel management system according to claim 1, it is characterized in that, comprise that also formation installs at least one breather port in the top part of chamber of described primary mover within it, any thus gaseous fuel that enters into described chamber from described primary mover will be extracted from described casing.
21. a power actuated vehicle comprises:
Passenger accommodation;
The primary mover that comprises combustion engine; And
Fuel management system comprises:
The gaseous fuel storage box is installed within the casing with at least one the atmospheric circulation device that is associated with it;
Fuel circuit, described fuel circuit are used for gaseous fuel is transferred to described primary mover from described storage box, and described fuel circuit has at least one electronic control valve, are used for being controlled at the flowing of gaseous fuel of fuel circuit;
At least one gas sensor, be used for detecting the existence of gaseous fuel in the boundary outside one of at least of described storage box, described fuel circuit and described primary mover, described sensor issues out gas detection signals in situation about detecting above the concentration of the fuel gas of predetermined threshold levels;
The fuel management controller, described fuel management controller operationally is connected with described gas sensor with described electronic control valve, and described controller cuts out described electronic control valve and operates described at least one air circulator so that described fuel storage box casing is ventilated when described gas sensor sends gas detection signals.
22. a power actuated vehicle comprises:
Passenger accommodation;
The primary mover that comprises combustion engine, described combustion engine is connected at least one traction motor/generator; And
Fuel management system comprises:
The gaseous fuel storage box is installed within the casing with at least one the atmospheric circulation device that is associated with it;
Fuel circuit, described fuel circuit are used for gaseous fuel is transferred to described primary mover from described storage box, and described fuel circuit has at least one electronic control valve, are used for being controlled at the flowing of gaseous fuel of fuel circuit;
At least one gas sensor, be used for detecting the existence of gaseous fuel in the boundary outside one of at least of described storage box, described fuel circuit and described primary mover, described sensor issues out gas detection signals in situation about detecting above the concentration of the fuel gas of predetermined threshold value level;
The fuel management controller, described fuel management controller operationally is connected with described gas sensor with described electronic control valve, when described gas sensor sends the gas detection signals of the concentration of indicating the fuel gas that surpasses predetermined threshold, described controller stops described driving engine so that described fuel storage box casing is ventilated by cutting out described electronic control valve and operating described at least one atmospheric circulation device, utilizes traction motor/generator to allow described vehicle continuous handling simultaneously.
23. power actuated vehicle according to claim 22, also comprise, a plurality of removable glazing panels that are installed to described passenger accommodation and control by described fuel management controller, described like this glazing panels send at described gas sensor under the situation of gas detection signals and are opened.
24. an operation has the method that the gaseous fuel power actuated vehicle of the primary mover of fuel and traction motor/generator is provided by gaseous fuel, comprises step:
Provide passive ventilation system to alleviate any remarkable gathering of the fugacious fuel gas within the described vehicle;
Monitor at least one inner space of described vehicle, to determine the existing of fugacious fuel gas within the described space by at least one electronic sensor;
Provide at least one atmospheric circulation device surrounding air is provided in described at least one space within the described vehicle; And
When allowing the traction motor/generator operation, stop the operation of described primary mover, and fugacious gas by sensing simultaneously described vehicle be under the situation of serviceability, operate described at least one atmospheric circulation device to purify described at least one inner space of fugacious fuel gas.
25. method according to claim 24 is characterized in that, also is included in fugacious fuel gas and is opened removable glass port in the passenger accommodation of described vehicle under the situation of sensing.
26. method according to claim 24 is characterized in that, stops described primary mover and comprises the fuel feeding valve step of closing at least between gaseous fuel storage box and described primary mover.
27. method according to claim 24 is characterized in that, also is included in fugitive gas and prevents that in described at least one inner space described vehicle is by the step of filling fuel once more under by the situation of sensing.
28. method according to claim 24, it is characterized in that, the step that also comprises the operation that stops described primary mover, allow the described traction motor/generator of operation simultaneously, and under the inoperable situation of described electronic gas sensor, operate described at least one air circulator to clean described at least one inner space.
29. method according to claim 24, it is characterized in that, described at least one air circulator is operated under by the situation of sensing at the fugacious fuel gas that surpasses the first low predetermined concentration, stops described primary mover under by the other situation of sensing surpassing the second higher predetermined concentration.
30. method according to claim 24 is characterized in that, also is included in the step that detects warning vehicle drivers under the situation that fugacious fuel gas is higher than predetermined threshold concentration.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US49030703P | 2003-07-25 | 2003-07-25 | |
| US60/490,307 | 2003-07-25 | ||
| US60/549,617 | 2004-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1795112A true CN1795112A (en) | 2006-06-28 |
Family
ID=36806123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004800143974A Pending CN1795112A (en) | 2003-07-25 | 2004-06-24 | Gaseous fuel management system of automotive vehicule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1795112A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109054A (en) * | 2009-12-24 | 2011-06-29 | 因勒纪汽车系统研究公司 | Valve for the venting circuit of a liquid tank |
| CN110290969A (en) * | 2016-12-06 | 2019-09-27 | Cng动机公司 | System and method for vehicle power generation |
| CN114945490A (en) * | 2020-01-20 | 2022-08-26 | 蓝界科技控股公司 | Method and electric vehicle employing a CO2 warning system and use of a sensor system for said electric vehicle |
-
2004
- 2004-06-24 CN CNA2004800143974A patent/CN1795112A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109054A (en) * | 2009-12-24 | 2011-06-29 | 因勒纪汽车系统研究公司 | Valve for the venting circuit of a liquid tank |
| CN102109054B (en) * | 2009-12-24 | 2016-03-16 | 因勒纪汽车系统研究公司 | For the valve of liquid tank ventilating return |
| CN110290969A (en) * | 2016-12-06 | 2019-09-27 | Cng动机公司 | System and method for vehicle power generation |
| CN114945490A (en) * | 2020-01-20 | 2022-08-26 | 蓝界科技控股公司 | Method and electric vehicle employing a CO2 warning system and use of a sensor system for said electric vehicle |
| CN114945490B (en) * | 2020-01-20 | 2023-05-12 | 蓝界科技控股公司 | Method for increasing the safety of an electric vehicle, vehicle and use of a sensor system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7970528B2 (en) | Gaseous fuel management system for automotive vehicle | |
| US5132663A (en) | Vehicle safety system and method for monitoring toxic and combustible fuels | |
| JP4443158B2 (en) | Safety system for equipment for energy formation | |
| US20060053868A1 (en) | Fuel vapor detection system for vehicles | |
| WO2006112489A1 (en) | Arranging facility, parking facility, handling facility, and ventilation device | |
| CN205747325U (en) | A kind of garage air exhausting device | |
| CN104442773B (en) | The Matching and modification method and its system of vehicle vacuum brake booster vacuum | |
| CN1740540A (en) | Automobile air conditioner boosting and oil saving system | |
| CN109060368A (en) | Electric vehicle cabin Thermal Balance Test method and system | |
| CN105480222A (en) | System and method for preventing vehicle wading into water from flameout | |
| CN106052000A (en) | Exhaust device for garage and method | |
| CN1795112A (en) | Gaseous fuel management system of automotive vehicule | |
| CN107676162A (en) | Exhaust apparatus and engine | |
| CN202294163U (en) | Automation system for reducing harmful substances in vehicle | |
| CN104505556A (en) | Power battery natural air cooling system of blade electric vehicles and control method thereof | |
| CN112373299A (en) | Vehicle wading detection device and using method thereof | |
| CN208290899U (en) | Air exchange system and automobile containing the air exchange system | |
| CN207257624U (en) | A kind of starting of engine at extreme rear Inspection and Repair of Passenger Cars, shut down, lighting device | |
| KR102395614B1 (en) | A poultry vehicle equipped with an automatic ventilation system to prevent chicken mortality | |
| JP2002331825A (en) | Economy-running control device, program and recording medium | |
| CN103625799A (en) | Internal auxiliary facility for mobile energy storage container and control method thereof | |
| CN114687871B (en) | Method and device for adjusting air intake mode | |
| CN113751455B (en) | Low-carbon emission-reducing type low-air-volume intelligent laboratory ventilation equipment | |
| CN208503155U (en) | A kind of safe device of transportation of dangerous goods | |
| CN113022251A (en) | Intelligent vehicle-mounted solar ventilation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |