CN100379071C - Fuel cell system and vehicle using same - Google Patents
Fuel cell system and vehicle using same Download PDFInfo
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- CN100379071C CN100379071C CNB200480001913XA CN200480001913A CN100379071C CN 100379071 C CN100379071 C CN 100379071C CN B200480001913X A CNB200480001913X A CN B200480001913XA CN 200480001913 A CN200480001913 A CN 200480001913A CN 100379071 C CN100379071 C CN 100379071C
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- heat exchanger
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
Disclosed are a fuel cell system (100) wherein a fuel cell (102) can be efficiently cooled by a simple structure, and a vehicle using such a fuel cell system. The fuel cell system (100) includes the fuel cell (102) which is capable of producing electrical energy through electrochemical reaction between fuel and oxygen. A heat exchanger (118) is arranged near the fuel cell (102) for cooling a medium passing through in the fuel cell (102). An aqueous solution of methanol is used as the fuel and the medium. An air current is generated by a fan (130) for cooling the fuel cell (102) and the heat exchanger (118).
Description
Technical field
The present invention relates to a kind of fuel cell system and use the vehicle of this system, more particularly, relate to a kind of fuel cell system that is used for heat exchanger that the fuel that is fed to fuel cell is cooled off and vehicle of this system of use of comprising.
Background technology
The fuel cell that is produced electric power by the electrochemical reaction of fuel and oxygen is generated heat by electrochemical reaction.In order to contain that the fuel battery temperature that caused by this heating raises, and be known (for example referring to Patent Document 1) to the fuel cell system that the fuel that will be fed in the fuel cell cools off.
Patent documentation 1: the spy opens the 2002-203587 communique
But in existing fuel cell system,, still exist fuel battery temperature to rise excessively, damage dielectric film, not the energy efficiency situation of generating electricity well although the fuel that will be fed in the fuel cell is cooled off.Must further cool off this moment to fuel cell.
In case the device that fuel cell is cooled off is set in addition, then has the baroque problem of fuel cell system.In the time of on fuel cell system being installed in vehicles such as two wheeler, this problem is remarkable especially.
Summary of the invention
Therefore, main purpose of the present invention provides a kind of fuel cell system that can effectively cool off fuel cell with simple structure and the vehicle that uses this fuel cell system.
According to the present invention, a kind of fuel cell system is provided, it comprises by fuel and oxygen electrochemical reaction and can produce the fuel cell of electric energy; Near the heat exchanger that is arranged on the fuel cell and the medium by fuel battery inside are cooled off; Be used for the air stream generating apparatus of air stream that fuel cell and heat exchanger are cooled off with generation.
In this invention, heat exchanger is arranged near the fuel cell.Generate the air stream that the fuel cell ambient air stream, the generation that are used for fuel cell being cooled off from the outside are used to cool off the heat exchanger that the medium by fuel cell are cooled off by the air stream generating apparatus, thereby fuel cell is cooled off.Thereby, can cool off effectively fuel cell with simple structure.
Preferably fuel and medium are methanol aqueous solutions, the air stream generating apparatus comprise generation from fuel cell towards the direction of heat exchanger or from the fan of heat exchanger towards the air stream of the direction of fuel cell.
Directly use methanol aqueous solution owing to act as a fuel, do not need the fuel modifying device, fuel cell system simple in structure.And the methanol aqueous solution that supplies to fuel cell uses as the medium (coolant) that internally fuel cell cooled off, and need not the extra device that makes other coolant cooling and circulation that is provided with, and can cool off fuel cell with simple structure.Thereby this fuel cell system can be applied in machine well and be provided with in the limited vehicles such as two wheeler in space.
And for example generate from the air stream of fuel cell towards the direction of heat exchanger by fan, in other words, fuel cell and heat exchanger arranged be arranged on the air-flow direction.Thereby will by the fuel cell exterior circumferential and in fuel cell cooling employed air supply give heat exchanger, can be used for the cooling of methanol aqueous solution.Thereby, by unidirectional air stream, can cool off effectively fuel cell outside and heat exchanger in order.
A kind of vehicle is provided according to a further aspect in the invention, and it comprises above-mentioned fuel cell system and is used for the seat that the occupant takes; Fuel cell and heat exchanger are arranged on the front and back of bottom, seat; The air stream generating apparatus is arranged between fuel cell and the heat exchanger, or is arranged on the rear side of fuel cell and heat exchanger.
In this invention, because in constituting each device of fuel cell system, fuel cell that will be bigger and heat exchanger are arranged on bigger bottom, seat, space, and fuel cell and heat exchanger can be set easily.And, can reduce the moment of inertia with respect to vehicle's center of gravity because the fuel cell that weight is big is arranged near the vehicle central.And, because fuel cell, heat exchanger and air stream generating apparatus almost in series are provided with, can flow by the air that the air stream generating apparatus produces effectively by fuel cell and heat exchanger.
According to a further aspect in the invention, provide a kind of vehicle, the plate-shaped member that it comprises above-mentioned fuel cell system, be used for the seat that the occupant takes and be arranged on the seat downside and form widely and extend at least along the vertical direction at left and right directions.In this vehicle, fuel cell is arranged on the front side of plate-shaped member; Heat exchanger is arranged on the rear side of plate-shaped member; The air stream generating apparatus is arranged on the rear side of heat exchanger; On the position by fuel cell and heat exchanger clamping in plate-shaped member, be provided with the through hole that makes the circulation of air that is produced by the air stream generating apparatus.
In this invention, because fuel cell is arranged on the front side of plate-shaped member, heat exchanger is arranged on the rear side of plate-shaped member, easily fuel cell and heat exchanger is positioned.And owing to be provided with through hole on plate-shaped member, air can successfully flow towards heat exchanger from fuel cell, and can be effectively outside to fuel cell and by heat exchanger medium cool off.
Preferably heat exchanger is by employed air stream cooling in the cooling of fuel cell, and by air that fan produced stream promptly by from extraneous air directly towards the air stream cooling of heat exchanger, the amount of employed air stream is than directly many towards the amount that the air of heat exchanger flows from extraneous air in the cooling of fuel cell.At this moment, can cool off fuel cell from the outside reliably, simultaneously, can cool off effectively medium by heat exchanger.
And vehicle frame after preferably including, this back vehicle frame has along tabular the 1st central portion that extends obliquely upward backward and left and right directions forms widely, respectively along the tabular left side and the right side that extend at both ends, the left and right sides and fore-and-aft direction forms widely of the 1st central portion, and the 1st central portion forms plate-shaped member.At this moment, the in light weight and simple shape of back vehicle frame can be guaranteed and the bending moment corresponding stiffness that is applied on the vehicle frame of back.And, the space that can guarantee to be used on vehicle frame front side, back and rear side, to be provided with vehicle subsidiary engine etc. easily.
Preferably include main car frame, described main car frame has at least along tabular the 2nd central portion that fore-and-aft direction extends and above-below direction forms widely, respectively along the tabular upper lateral part and the following side that extend at both ends up and down and left and right directions forms widely of the 2nd central portion, and the rearward end of main car frame links to each other with the back vehicle frame.At this moment, can increase the second moment of area of main car frame easily.And main car frame is in light weight and simple shape, compared with prior art, can guarantee rigidity easily.
Preferably include the main switch on the 2nd central portion that is arranged on main car frame.At this moment, the parts that are used to install main switch that do not need other.Thus, the layout of (handgrip) drag-line on every side etc. becomes easy.
Preferably include: be formed on the preceding pipe of main car frame leading section, the front fork before being bonded on freely to rotate on the pipe and be installed in clava on the main switch; Main switch be arranged on before pipe near; Porose on the preceding Guan Zaiqi rear side; Clava is configured and can when main switch is closed, be projected in the preceding pipe to stop the rotation of front fork by coming in and going out in the Kong Zaiqian pipe.At this moment, be accompanied by closing of main switch, can easily stop the rotation of front fork, and then can lock steering handle.
Preferably main car frame also comprises and being arranged in order to at least one reinforcement that strengthens in the 2nd central portion, upper lateral part and the following side.Can improve the torsional rigid of main car frame this moment.
A plurality of reinforcements preferably are set, and comprise the subsidiary engine in the space that the 2nd central portion and a plurality of reinforcement that be arranged on main car frame surrounded.Can effectively subsidiary engine be arranged on this moment in the remaining space on the main car frame, can contain that contour of the vehicle increases.And, even in comprising the subsidiary engine of heater element, there are main car frame and reinforcement in its vicinity.Thereby, can further cool off subsidiary engine effectively with these plate-shaped members as heating panel.
And preferably also comprise the foot that is used for the described occupant of mounting and be arranged near the reinforcement of following side of main car frame leg rest frame.Can keep and fixing leg rest frame this moment with abundant intensity.
Preferably include the subsidiary engine that is built-in with heater element, the outside part of this subsidiary engine is close on the main car frame.Can effectively the heat that heater element produced be sent on the main car frame thus, can contain that the temperature of subsidiary engine raises.
And preferably the 2nd central portion of main car frame has through hole, has the electrical signal line and/or the drag-line that connect this through hole.By electrical signal line and/or brake cable are connected above-mentioned through hole, can increase the radius of curvature of electrical signal line etc. easily, and, by forming through hole, can alleviate the weight of main car frame.
And preferably main car frame is made by light-alloy with the back vehicle frame.At this moment, can obtain vehicle frame in light weight and that rigidity is high.
Preferably include the cover of at least a portion that covers main car frame and back vehicle frame; At least one constitutes same appearance with cover in the right side of the left side of the upper lateral part of main car frame, back vehicle frame and back vehicle frame.At this moment, can omit the part of cover.
Description of drawings
Fig. 1 is the overall diagram that illustrates according to the general configuration of embodiment of the invention two wheeler;
Fig. 2 is the perspective view that the vehicle body frame general configuration is shown;
Fig. 3 is the perspective view that the vehicle body frame general configuration is shown;
Fig. 4 is the view that X2-X2 cross section among Fig. 3 is shown, and shows the view of main car frame general configuration;
Fig. 5 is the view that near the general configuration the vehicle frame of back in the X1-X1 cross section is shown among Fig. 1;
Fig. 6 is the view that X3-X3 cross section among Fig. 3 is shown, and is the view of the connection status of explanation main car frame and back vehicle frame;
Fig. 7 is the perspective view that the state on the main car frame leading section that the main switch of two wheeler is arranged on is shown;
Fig. 8 is the view that X4-X4 cross section among Fig. 7 is shown;
Fig. 9 is the view that X5-X5 cross section among Fig. 8 is shown;
Figure 10 is the view that P portion among Fig. 1 is amplified, and is the perspective view that the leg rest frame is installed in state on the main car frame etc. is shown;
Figure 11 is the block diagram that the general configuration of fuel cell is shown.
Symbol description
Embodiment
The hereinafter with reference accompanying drawing describes one embodiment of the invention.
This moment, the present invention will be described with the embodiment that is applicable to two wheeler.
In the present invention, about so-called, front and back, up and down mean occupant's direction be sitting in 24 under the state on the seat 34 of two wheeler 10 about, front and back, (with reference to figure 1～3) up and down.And left and right directions is exactly the overall width direction, and fore-and-aft direction is exactly an axial direction.
With reference to figure 1, two wheeler 10 for example constitutes as scooter (ス Network one ) according to an embodiment of the invention, comprises vehicle body frame 12.
Shown in Fig. 2 and 3, vehicle body frame 12 comprises main car frame 14, be connected the back vehicle frame 16 of main car frame 14 rearward end, be arranged on main car frame 14 leading sections preceding pipe 18, be arranged on the seat rail 20 on vehicle frame 16 rearward end of back.Vehicle body frame 12 forms manages 18 in the past and extends to the front and back of seat rail 20 and the shape of U word roughly.In other words, vehicle body frame 12 constitutes the body frame structure for automotive of camber beam (ア Application ダ-ボ-Application) type.
Preceding pipe 18 forms hollow cylindrical, manages in 18 before the first half of front fork 22 inserts rotationally.Steering handle 24 is installed on the upper end of front fork 22, and front-wheel 26 is supported on the bottom of front fork 22 freely to rotate.
The leading section of the postbrachium 28 that extends along fore-and-aft direction is connected on the rearward end of the bottom of back vehicle frame 16 or main car frame 14.This moment, postbrachium 28 was that fulcrum connects freely to rotate at above-below direction with its connecting portion.Motor 29 is arranged on the inboard of postbrachium 28.And the rearward end of postbrachium 28 supports trailing wheel 30 free to rotately.The pars intermedia of the length direction of postbrachium 28 is linked to each other by posterior bumper 32 with the rearward end of back vehicle frame 16.
Hereinafter vehicle body frame 12 is elaborated.
With reference to figure 2 and 3, main car frame 14 comprises tabular central portion 36, upper lateral part 38 and following side 40 respectively.Central portion 36 tiltedly down extends backward continuously from the leading section of main car frame 14, and approximate horizontal is extended on the direction in the wings, and forms very widely on above-below direction.Upper lateral part 38 extends along the upper end of central portion 36 and left and right directions (overall width direction) forms very widely.Following side 40 is extended along the bottom of central portion 36 and left and right directions forms very widely.Thereby on main car frame 14, upper lateral part 38 and following side 40 form widelyer than central portion 36 on left and right directions.Just as shown in Figure 4, main car frame 14 forms to such an extent that the cross sectional shape in the plane vertical with main car frame 14 bearing of trends is " I " font.
In this embodiment, the upper lateral part 38 of main car frame 14, the left side 44 of vehicle frame 16, back and right side 46 constitute cover 47 same outward appearance (design) faces with covering body vehicle frame 12.Just part shown in Fig. 3 bend is arranged on roughly on the face with cover 47, and is exposed to the outside.Thus, can omit the part of cover.And cover 47 parts that cover main car frame 14 and back vehicle frame 16 at least.
By occupant's body weight, will be that the bending moment at center is applied on vehicle frame 14 and the back vehicle frame 16 with the axle that extends along two wheeler 10 left and right directions.Be applied to the bending moment of back on the vehicle frame 16 than being applied to little on the main car frame 14.Main reason is posterior bumper 32 absorption (buffering) occupants' a body weight etc.
In addition, on main car frame 14, be formed with reinforcement 48.
As shown in Figure 2, main car frame 14 is with respect to the straight line L bending that connects leading section and rearward end.On main car frame 14, be provided with a plurality of with respect to straight line L almost vertical and on main car frame 14 bearing of trends mutual separated reinforcement 48.Can strengthen central portion 36, upper lateral part 38 and the following side 40 of main car frame 14 by reinforcement 48.When two wheeler 10 travels etc., applying on main car frame 14 with straight line L is the moment of torsion (twisting with the fingers り モ one メ Application ト) at center, and by described moment of torsion, there is big torsional deflection in main car frame 14.Can improve rigidity by reinforcement 48 at this moment of torsion.
And on the roughly pars intermedia of the leading section of the central portion 36 of main car frame 14 and above-below direction, form through hole 50.In through hole 50, main switch 58 described later (with reference to figure 7) is set.
And at the central portion 36 of main car frame 14 slightly on the rearward end, be provided for the oval shape through hole 52 that fore-and-aft direction that electrical signal line etc. passes through easily extends.
And, because main car frame 14 has the so-called beam with both ends built-in structure that its two ends are fixed.On near main car frame 14 leading sections (preceding pipe 18 joint portions), apply than being applied to the big bending moment of main car frame 14 bearing of trend pars intermedias.Therefore, on main car frame 14 leading sections, formed enhancing element 54.Strengthen element 54 and on the upside of main car frame 14 leading sections, be arranged to one with main car frame 14.On the upper end that strengthens element 54, form the upper lateral part 56 that has same widths with upper end 38.
This vehicle body frame 12 is for example made by light-alloys such as aluminium alloys, is formed by casting methods such as die casting.A plurality of models that use is moved along left and right directions (for example metal die) form main car frame 14.Use a plurality of models (for example mould) mobile to form back vehicle frame 16 with comprising the rectangular direction in plane (just oblique fore-and-aft direction) of left and right directions with back vehicle frame 16 bearing of trends.Thereby on main car frame 14, the die joint of each mould (land area) is by for example forming by the center of vehicle body frame 12 left and right directions and along the above-below direction of vehicle body frame 12 and the plane of fore-and-aft direction extension.And on the vehicle frame 16 of back, the die joint of each mould (land area) is formed by the plane along back vehicle frame 16 bearing of trends and left and right directions extension.
Hereinafter main car frame 14 is introduced with the back being connected of vehicle frame 16.
With reference to figure 6, separately be arranged on the rearward end of main car frame 14 with prescribed distance D on the left and right directions with respect to rectangular each end face of left and right directions 14a, 14b.Separately be arranged on the distance of being a bit larger tham space D on the leading section of back vehicle frame 16 on the left and right directions with respect to rectangular each end face of left and right directions 16a, 16b.Thus, end face 14a, the 14b of main car frame 14 can be inserted between end face 16a, the 16b of back vehicle frame 16.
Columniform through hole 14c is set between end face 14a, the 14b of main car frame 14.The cylindrical hole 16c vertical with end face 16a is set on the end face 16a of back vehicle frame 16.The cylindrical hole 16d vertical with end face 16b is set on the end face 16b of back vehicle frame 16.And the internal diameter of each through hole 14c, 16c and 16d is roughly the same, when main car frame 14 is assembled with back vehicle frame 16, each through hole 14c, 16c and 16d is positioned on the same axis.
Make end face 14a and the mutual subtend of end face 16a, make end face 14b and the mutual subtend of end face 16b, make the axle center of each through hole 14c, 16c and 16d consistent with each other.Under this state, make securing member B1 such as bolt by each through hole 14c, 16c and 16d, the back vehicle frame 16 of main car frame 14 in clamping by securing member N1 etc. carries out fastening.In case done like this, back vehicle frame 16 a little deflection makes end face 14a push mutually with end face 16a and contacts, and end face 14b pushes mutually with end face 16b and contacts, and main car frame 14 and back vehicle frame 16 are mutually combined.
And the external diameter of bolt B 1 internal diameter than each through hole 14c, 16c and 16d is little a little.If the gap between bolt B 1 and each through hole 14c, 16c and the 16d is big, then exist in the worry that under the state of relative position relation skew between main car frame 14 and the back vehicle frame 16 main car frame 14 and back vehicle frame 16 is mutually combined.As shown in Figure 6, on 2 positions, carry out mutually combining of main car frame 14 and back vehicle frame 16 at least.
And, replace forming main car frame 14 and back vehicle frame 16 by casting, for example, also can carry out bending to " I " font section bar, reinforcement 48 is welded on the section bar after the bending and form main car frame 14 and after vehicle frame 16.And through hole 50 and 52 also can be formed by machining.
On this vehicle body frame 12, in the through hole 50 of main car frame 14, main switch 58 is set.
With reference to figure 7～9, switch 58 makes its central shaft extend ground by described through hole 50 along left and right directions.For example key 60 is inserted in the end of main switches 58, make switch 58 open and close by the rotation of key 60.
And when preceding pipe 18 forms hole 64, at first, the past is managed 18 front side to rear side landform pore-forming 68 and 64, will cover 70 then and be encapsulated on the hole 68.Can form desirable hole 64 easily thus.
In addition, as shown in figure 10,, will be used to transmit the through hole 52 on the electrical signal line of signal or power or the central portion 36 that drag-line perforations such as (ワ イ ア) is formed on main car frame 14 in order to operate two wheeler 10.In the present embodiment, the drag-line 72 that will be used to drive the rear wheel brake of two wheeler 10 connects these through holes 52.And, by forming of through hole 52, main car frame 14 is lightened.Use carriage 74 near the through hole 52 crust of drag-line 72 being fixed on the central portion 36 of main car frame 14.
With reference to Figure 10, the leg rest frame 76 of pin that will be used for the occupant of mounting two wheeler 10 is provided with following side 40 following of main car frame 14.Leg rest frame 76 is given prominence to along the left and right directions extension and from main car frame 14 near being arranged on reinforcement 48.
Use plate-like support member 78 that leg rest frame 76 is fixed on the main car frame 14.Specifically, leg rest frame 76 is kept by the U font maintaining part 80 that is formed on support component 78 pars intermedias, and is clamped between the following side 40 and support component 78 of main car frame 14.Under this state, support component 78 for example is fixed on main car frame 14 following by securing member B3, B5 etc. such as bolts.
Bolt B 3 being provided with on the rear side of support component 78 about 2 side by side is provided with 1 bolt B 5 on the front side.Though front side bolt B 5 away from reinforcement 48, on the left and right directions central portion that is arranged on " I " font main car frame 14, has sufficient mounting strength.2 bolt B 3 of rear side by roughly be arranged on reinforcement 48 under have sufficient mounting strength.
In the installation of leg rest frame 76, also can fix by 3 pairs of front sides of 2 bolt B, fix by 5 pairs of rear sides of 1 bolt B.And, if reinforcement 48 is set, also can each fix in front and back with 2 bolt B 3 with littler spacing.
Return Fig. 2 and 3, seat rail 20 is made up of pipe 82 and plate-shaped member 84, except seat 34, can also install with seat, lamp installation as seat lock, parking handle (Ha Application De Le ス Application デ イ Application グ), fuel tank and use with seat.So-called parking handle is exactly that the occupant stands up the leg of two wheeler 10 and hand is gripped when temporarily upwards carrying two wheeler 10 part.As light fixture, for example have taillight, signal lamp, Brake lamp etc.
And two wheeler 10 comprises fuel cell system 100 as shown in figure 11.
The electric power that two wheeler 10 uses fuel cell system 100 to produce rotates the motor 29 that for example is arranged on postbrachium 28 inboards, rotates and drive trailing wheel 30.
With reference to Figure 11, fuel cell system 100 is with methyl alcohol (CH
3OH) aqueous solution is the fuel cell system of the direct methanol type of fuel, comprises fuel cell 102.
Fuel cell (cell of fuel cell group) 102 comprises by methanol aqueous solution and oxygen electrochemical reaction and can produce single lattice battery of electric energy.To produce the voltage of electric energy in order improving, a plurality of battery units to be carried out stacked, surround these single lattice batteries, thereby constitute fuel cell 102 by casing.
To the inside of fuel cell 102, shown in arrow A 1, the supply that acts as a fuel comprises the methanol aqueous solution of the methyl alcohol of about 4% (mass ratio), simultaneously shown in arrow A 3, from air pump 104 supply air.In fuel cell 102, by the electrochemical reaction generation electric energy of methanol aqueous solution of being supplied and airborne oxygen.Shown in arrow A 5, the air discharge that the moisture that will be generated by the generation of electric energy from the inside of fuel cell 102 and not have electric energy produces uses, shown in arrow A 7, the carbon dioxide that will be generated by the generation of electric energy, the methanol aqueous solution by the generation of electric energy behind the concentration step-down (mass ratio about 2.5%) are discharged simultaneously.
Shown in arrow A 7, the methanol aqueous solution supplies of discharging from fuel cell 102 inside also are stored in the methanol aqueous solution groove 106.And carbon dioxide is discharged in the atmosphere by path not shown in the figures.Shown in arrow A 5, after heat exchanger 108 coolings, supply and be stored in the water tank 110 from fuel cell 102 inner moisture of discharging.Air is discharged in the atmosphere by path not shown in the figures.
The water that is stored in the water tank 110 is supplied in the methanol aqueous solution groove 106 by valve 112.And, the high concentration methanol aqueous solution is fed in the methanol aqueous solution groove 106 by valve 116 from storing the fuel tank 114 of the high concentration methanol aqueous solution that for example comprises about 50% (mass ratio) methyl alcohol.
In methanol aqueous solution groove 106 to the path of fuel cell 102 supply methanol aqueous solutions, be provided with the heat exchanger 118 that is used for methanol aqueous solution is cooled off, be used for to fuel cell 102 carry methanol aqueous solutions pump 120, be used to detect the concentration sensor 122 of the methanol concentration of methanol aqueous solution.
When producing electric energy in fuel cell system 100 work, fuel cell 102 heatings, fuel cell 102 inside become high temperature.Follow this, to the high methanol aqueous solution of methanol aqueous solution groove 106 supply temperatures, the temperature that is stored in the methanol aqueous solution in the methanol aqueous solution groove 106 becomes than atmospheric temperature height from fuel cell 102.In this state, in order internally fuel cell 102 to be cooled off, to will in heat exchanger 118, cooling off, cooled methanol aqueous solution is fed in the fuel cell 102 from about 4% the methanol aqueous solution of methanol aqueous solution groove 106 to fuel cell 102 supply., can cool off fuel cell 102 internally by in the fuel cell 102 by cooled methanol aqueous solution.
Concentration by concentration sensor 122 detected methanol aqueous solutions is input in the controller 124.According to the concentration value of being imported with from being arranged on the numerical value (being stored in the amount of the methanol aqueous solution in the methanol aqueous solution groove 106) of the level detection transducer (not shown) input in the methanol aqueous solution groove 106,124 pairs of valves 112 of controller and 116 aperture are controlled.Thus, the concentration (methanol concentration) that is stored in the methanol aqueous solution in the methanol aqueous solution groove 106 becomes 4%, and, the methanol aqueous solution that is stored in the methanol aqueous solution groove 106 is controlled to be suitable amount.
Along vehicle body frame 12 this fuel cell system 100 is set.
On the part that central portion 36, upper lateral part 38, following side 40 and reinforcement 48 by main car frame 14 are surrounded, the subsidiary engine class is set, for example controller 124 is arranged in the substantial middle portion of main car frame 14 (with reference to figure 3 and 4).
Except controller 124, described subsidiary engine also comprises various transducers, various pumps etc.
As shown in Figure 4, controller 124 comprises basket 126 and the heater element 128 that is built in the basket 126.Make the part of basket 126 outsides be close to (bonding) on main car frame 14.For example, basket 126 forms hollow Nogata body, makes that a surface of area maximum contacts with main car frame 14 in its 6 outer surfaces.At this moment, heater element 128 is close on the inner surface that is positioned at this surperficial relative inner.Thereby, for the subsidiary engine of the heat-generating electronic elements in the built-in subsidiary engine, the part of its outside is close on the main car frame 14.
As shown in Figure 5, fuel cell 102 is arranged on the front side of the central portion 42 of vehicle frame 16 afterwards, heat exchanger 118 is arranged on rear side.Just with heat exchanger 118 clampings back vehicle frame 16 ground with fuel cell 102 be arranged on heat exchanger 118 near.And fuel cell 102 and heat exchanger 118 be provided with not from the left side 44 and right side 46 to the left and right direction foreign side stretch out, and be positioned at the seat 34 times of two wheeler 10.And on the periphery of fuel cell 102 and heat exchanger 118, be provided with the cover 47.In the vehicle frame 16 of back, on the part between fuel cell 102 and the heat exchanger 118, be provided for making the through hole 86 of the circulation of air that produces by fan 130.
And through hole 86 forms for example circle as shown in Figure 2.Can prevent that thus producing stress on the vehicle frame 16 of back concentrates.And the internal diameter of through hole 86 almost equates that with the profile of the blade of fan 130 the blade rotation center of the center of through hole 86 and fan 130 is almost consistent.Just near the extended line of the blade rotation central shaft that is centered close to fan 130 of through hole 86 or its.Thereby, by through hole 86, can around fuel cell 102, attract air effectively by fan 130.
Air enters in the cover 47 from covering 47 the minim gap and the bottom at seat 34 etc., thereby can be attracted by fan 130.
And heat exchanger 118 is by the stream of employed air in the cooling of fuel cell 102 (in by Fig. 5 shown in the arrow A 9) cooling, simultaneously the air stream that is produced by fan 130, promptly by directly heat exchanger 118 being cooled off towards the air stream of heat exchanger 118 (shown in the arrow A 11) by Fig. 5 from extraneous air.
And the amount that fuel cell system 100 is configured employed air stream (shown in arrow A 9) in the cooling of fuel cell 102 is more than directly flowing the amount of (shown in arrow A 11) towards the air of heat exchanger 118 from extraneous air.
Just for example fuel cell 102 is set with leaving a little, between fuel cell 102 and central portion 42, forms space S1 by central portion 42 from back vehicle frame 16.And, by heat exchanger 118 is set from central portion 42 with leaving a little, between heat exchanger 118 and central portion 42, form space S3.By the size (for example spacing distance) of compatibly setting space S1, S3 respectively, the air mass flow of using in the time of can being adjusted at fuel cell 102 cooling and from extraneous air directly towards the air mass flow of heat exchanger 118.
And, also can be respectively on the outer surface both ends of central portion 42 sides of heat exchanger 118, be provided with to the side-prominent flange 134 of central portion 42, adjust the size of space S3 by flange part 134.
In this fuel cell system 100, when fuel cell 102 work, cool off from the outside to fuel cell 102 by fan 130.Simultaneously, by cooling off from the methanol aqueous solution that methanol aqueous solution groove 106 is fed to fuel cell 102, internally fuel cell 102 is cooled off by 130 pairs in heat exchanger 118 and fan.
For giving the ratio that fuel cell 102 causes cooling, and to compare from the cooling of fuel cell 102 outsides, the cooling from the inboard that is caused by heat exchanger 118 is generally bigger.
As mentioned above, fuel cell system 100, with heat exchanger 118 be arranged on fuel cell 102 near.Thereby, generate the fuel cell 102 ambient airs stream that fuel cell 102 is cooled off from the outside and the air stream that heat exchanger 118 is cooled off (wherein this heat exchanger 118 can to cooling off) by 1 fan 130, thereby fuel cell 102 is cooled off in order to the medium (methanol aqueous solution) that internally fuel cell 102 cooled off.Thereby can cool off fuel cell 102 simple in structure and effectively.
At this moment, generate from the air stream of fuel cell 102 by fan 130 towards heat exchanger 118.Just fuel cell 102 and heat exchanger 118 are arranged on air-flow direction.Thereby the outer periphery by fuel cell 102 and the air that uses in fuel cell 102 coolings be supplied to heat exchanger 118, is used to the cooling of methanol aqueous solution.Thereby by the air stream of a direction, sequentially outside and the heat exchanger 118 to fuel cell 102 cools off effectively.
Particularly, be provided with, can produce the air flows of passing through fuel cell 102 and heat exchanger 118 effectively by fan 130 because fuel cell 102, heat exchanger 118 and fan 130 are almost lined up in upright arrangemently.
Owing to be provided with through hole 86 on the central portion 42 of back vehicle frame 16, air successfully flows towards heat exchanger 118 from fuel cell 102, can be effectively the outside of fuel cell 102 and the methanol aqueous solution by heat exchanger 118 be cooled off.
The heat that the air stream that is produced by fan 130 is taken away from fuel cell 102 outsides lacks than the heat of being taken away from heat exchanger 118, just pass through after fuel cell 102 exterior circumferential air themperature only a bit than extraneous air height.Thereby even will also can fully cool off methanol aqueous solution by the air supply after fuel cell 102 exterior circumferential to heat exchanger 118, can be effectively outside to fuel cell 102 and by heat exchanger 118 methanol aqueous solution cools off.
And when heat exchanger 118 is by employed air stream cooling in fuel cell 102 cooling, also the air stream that produces by fan 130, promptly by from extraneous air directly towards the air stream cooling of heat exchanger 118.And employed air mass flow is than directly the air mass flow towards heat exchanger 118 is many from extraneous air in the cooling of fuel cell 102.Thereby, can reliably when cool off fuel cell 102 outside, can cool off methanol aqueous solution effectively by heat exchanger 118.
In addition, form from the fuel cell 102 of front side air flows, just form along the air flows of front side on rear direction from two wheeler 10 towards the heat exchanger 118 of rear side by fan 130.Thereby, the airflow direction that the air-flow direction that is formed by fan 130 produces with being travelled by two wheeler 10 is almost consistent, when two wheeler 10 travels, can be effectively the outside of fuel cell 102 and the methanol aqueous solution by heat exchanger 118 be cooled off.
And, be provided with fan 130 at the rear side of the heat exchanger 118 that is arranged on fuel cell 102 rear sides.Compare with fan 130 is arranged between fuel cell 102 and the heat exchanger 118 this moment, fan 130 is set easily, and easily fan 130 is changed, compare with fan 130 being arranged on fuel cell 102 front sides, guarantee the occupant's of mounting two wheeler 10 the space broadness of pin easily.
In addition, by the size of adjusting play S1 and S3 respectively, can be adjusted at employed air mass flow in the cooling of fuel cell 102 with from extraneous air directly towards the ratio of the air mass flow of heat exchanger 118.Thereby can compatibly set the ratio of this air mass flow easily.
And, form " H " font by cross section with the back vehicle frame 16 of seat 34 downsides, can go up between back vehicle frame 16 and fuel cell 102 at two wheeler 10 left and right directions (overall width direction) and form the space.Thereby air flows near the outside of fuel cell 102 effectively, can improve the cooling effect of fuel cell 102.
And, fuel cell 102 and heat exchanger 118 are arranged on the left side 44 of vehicle frame 16 behind the word shape of cross section " H " and the inboard of right side 46, thereby, the external force that prevention is produced when two wheeler 10 overturnings is applied on fuel cell 102 and the heat exchanger 118, makes fuel cell 102 and heat exchanger 118 be difficult to so damages.
The methanol aqueous solution that is fed to fuel cell 102 inside is used as the medium that internally fuel cell 102 cooled off (coolant).Thereby need not additionally to be provided with other coolant is cooled off and makes device of its circulation etc., can make the cooling structure of fuel cell system 100 simple.
Owing to can make the simple in structure of fuel cell system 100, can well fuel cell system 100 be applied in machine and be provided with on the limited two wheeler in space 10.
And in constituting the unit of fuel cell system 100, bigger fuel cell 102 and heat exchanger 118 are arranged on seat 34 following of the bigger two wheeler in space 10 and are arranged on the front and back of vehicle frame 16 central portions 42 afterwards.Thereby, fuel cell 102 and heat exchanger 118 can easily be set.And, can reduce the moment of inertia with respect to two wheeler 10 centers of gravity because the fuel cell 102 that weight is big is arranged near the central authorities of two wheeler 10.
The cross section of back vehicle frame 16 forms " H " word shape.Just back vehicle frame 16 is made of the wide central portion 42 of left and right directions, the left side 44 that forms widely than central portion 42 on fore-and-aft direction and right side 46, and extend along the both ends, the left and right sides of central portion 42 respectively this left side 44 and right side 46.Thereby light and simple shape can be guaranteed corresponding to the rigidity that is fit to that is applied to the bending moment on the vehicle frame 16 of back.And, the space that on the front side of above-mentioned back vehicle frame 16 and rear side, can guarantee to be used to be provided with the subsidiary engine etc. of two wheeler 10 easily.
On the other hand, main car frame 14 forms " I " font, and just upper lateral part 38 and following side 40 form widelyer than central portion 36 on left and right directions, and central portion 36 forms widely along the vertical direction.Thereby the second moment of area that can increase main car frame 14 easily is (with respect to the second moment of area of the weight of occupant and two wheeler 10; Second moment of area with respect to the axle that stretches out along two wheeler 10 left and right directions).And shape is simple and unadorned, and is compared with prior art in light weight, can guarantee rigidity easily.
Thereby vehicle body frame 12 is whole light, can guarantee the space that is provided with corresponding to the rigidity of vehicle body frame 12 various pieces and subsidiary engine.
And, the main switch 58 of two wheeler 10 is arranged on the main car frame 14, thereby, the carriage before not needing to be used for main switch 58 is installed in for example resembling on other position and is arranged on pipe 18 sides.The layout of the drag-line class (brake cable or wiring harness) around the steering handle 24 becomes easy thus.
And, main switch 58 be positioned at before the pipe 18 near, be arranged on the pars intermedia of above-below direction in vehicle body frame 12 leading sections.Thereby, main switch 58 can be arranged on the maneuverable position of occupant.And, can prevent the minimizing of the second moment of area (with respect to the second moment of area of the upwardly extending axle of two wheeler 10 right and lefts) of the vehicle body frame 12 that the installation because of main switch 58 causes as much as possible.
And main car frame 14 can be easily formed by the die casting of each mould that uses left and right directions to move.Back vehicle frame 16 can be formed by the casting die of each model that uses edge and the rectangular direction in plane that comprises left and right directions and back vehicle frame 16 bearing of trends to move.This moment, the stroke of each mould reduced, and can dwindle each mould.
Just main car frame 14 from leading section to the back-end portion extend agley, left and right directions is substantially shaped as certain width.And compare with the length of fore-and-aft direction and the height of above-below direction, the width of main car frame 14 left and right directions is little, thereby can dwindle the stroke of each mould that forms main car frame 14.
And in the vehicle frame 16 of back, littler with the meet at right angles width of direction of the plane of bearing of trend that comprises left and right directions and back vehicle frame 16 than the width of other direction (for example left and right directions).Thereby, can dwindle forming the stroke of each mould of vehicle frame 16 afterwards.
And main car frame 14 forms " I " font, and each reinforcement 48 that is arranged on the main car frame 14 also extends at left and right directions.Thereby, even when the mould that uses left and right directions to move forms main car frame 14 and reinforcement 48 simultaneously by die casting, also be difficult to produce the recessed portion (ア Application ダ one カ Star ト) of cutting.Be difficult to produce the recessed portion of cutting when on main car frame 14, being provided for installing the seat of main switch 58 or through hole equally.
Because back vehicle frame 16 forms " H " font, form the back during vehicle frame 16 even state in the use to move moulds by die casting, also be difficult to produce the recessed portion of cutting.
Thereby can make the simple in structure of each mould, can make main car frame 14 easily.
And the hole 64 of preceding pipe 18 forms as following.
At first, for example simultaneously that preceding pipe 18 and main car frame 14 is integrally formed by die casting, manage 18 front side then after rear side ground for example is processed to form hole 68 and 64 by the rig tool in the past, usefulness is covered 70 blind holes 68.By this processing with only form tubular before compare during the back side opening 64 of pipe 18, hole 64 can be set easily.
If be formed for the hole 64 that steering handle locks by die casting simultaneously with main car frame 14, produce the complex structure of undercut and mould.If but in subsequent handling hole 64 is set like that by above-mentioned, can simplify the structure of mould.
For example the seat rail 20 that will be used to be provided with the seat 34 of two wheeler 10 by welding is arranged on the rearward end of back vehicle frame 16 integratedly.In a single day form thus, can easily the seat rail 20 that produces the undercut shape be arranged on the vehicle frame 16 of back by die casting.And, owing to be limited in the Min. can be with the worker of time-consuming welding sequence the time, can control the manufacturing cost of vehicle body frame 12.
At the built-in heating electronic component is in the controller 124 of heater element 128, and the outside part of its basket 126 is close on the main car frame 14.Thus, the heat that can effectively heater element 128 be produced is sent on the main car frame 14, can contain that controller 124 temperature raise.And on main car frame 14, near the controller 124 that has comprised heater element 128, have upper lateral part 38, following side 40 and reinforcement 48.Thereby, these parts being brought into play function as heating panel, can further cool off controller 124 effectively.In the miscellaneous equipment of electronic component with heating too.
And, since leg rest frame 76 be arranged on main car frame 14 following sides 40 following reinforcement 48 near, can keep leg rest frame 76 and fix with abundant intensity.
The subsidiary engine of two wheeler 10 is arranged in the recess that is formed by each reinforcement 48 in the main car frame 14.Thereby, can efficient well subsidiary engine being arranged in the remaining space of vehicle body frame 12, the outer deformation that can suppress two wheeler 10 is big.
And when on two wheeler 10, using brake cable etc., wish that radius of curvature is big as much as possible, this be because, if radius of curvature is little, for example the crust of drag-line contacts with big contact pressure with heart yearn, it is big that the crust of drag-line and the frictional force between the heart yearn become, the power transmission efficiency and the lost of life of drag-line.
In this embodiment, on the central portion 36 of main car frame 14 through hole 52 is set, the drag-line 72 that rear wheel brake is used is through through hole 52.Thereby, extend to from the brake bar in steering handle 24 left sides that are arranged on two wheeler 10 at drag-line 72 under the occasion of rear wheel brake in trailing wheel 30 left sides that are arranged on two wheeler 10, can increase the radius of curvature of drag-line 72 easily around steering handle 24, and, can alleviate vehicle body frame 12 by through hole 52 is set.
And, because through hole 52 is arranged on the roughly pars intermedia of main car frame 14 above-below directions, can suppresses second moment of area as much as possible and reduce.
And, owing to use carriage 74 near through hole 52, the crust of drag-line 72 is fixed on the main car frame 14, can prevent the mutual friction mutually around through hole 52 of drag-line crust and main car frame 14.
By main car frame 114 and back vehicle frame 16 are formed by light-alloy, can obtain gently and the high vehicle frame of rigidity.
And in fuel cell system shown in Figure 11 100, in addition replacement is arranged on heat exchanger 118 on the outlet side of methanol aqueous solution groove 106 or, also heat exchanger 118 can be arranged on the path between fuel cell 102 and the methanol aqueous solution groove 106 on (path shown in the arrow A 7).
Substitute heat exchanger 118 or in addition, also can wait other heat exchanger to cool off heat exchanger shown in Figure 11 108.
Though produce along from the air stream of fuel cell 102 by fan 130, also can produce along flowing from the air of heat exchanger 118 towards fuel cell 102 towards heat exchanger 118 directions.Though fan 130 is arranged on the rear side of fuel cell 102 and heat exchanger 118, fan 130 also can be arranged between fuel cell 102 and the heat exchanger 118, or is arranged on the front side of fuel cell 102 and heat exchanger 118.
And, though fuel cell 102 is arranged on the front side of the central portion 42 of vehicle frame 16 afterwards, heat exchanger 118 is arranged on rear side, also heat exchanger 118 can be arranged on the front side, fuel cell 102 is arranged on rear side.
The rotary middle spindle of main switch 58 and key 60 is not necessarily leaveed no choice but left and right directions and is extended, as long as key 60 can rotate easily, for example also can be provided with main switch 58 and key 60 to such an extent that extend with the direction that left and right directions intersects on the rotary middle spindle edge.
And, for example the cross sectional shape of back vehicle frame 16 can be configured such that also that " コ " word rotates 90 ° shape.
And the generating apparatus of air stream is not limited to fan.
And cover 47 can be provided with to such an extent that cover the left side 44 and the right side 46 of back vehicle frame 16.
The present invention goes for the two wheeler outside the motor scooter, and the rearward end that for example is applicable to main car frame is at the pars intermedia of the back vehicle frame bearing of trend routine two wheeler that links to each other with the back vehicle frame.And the present invention also goes for the vehicle outside the two wheeler.
The present invention also goes for the fuel cell system outside the direct methanol fuel cell system.
Though in conjunction with the accompanying drawings the present invention is described in detail, only as graphic extension and example, the present invention is not limited thereto.The spirit and scope of the present invention are limited by the scope of accompanying Claim book.
Claims (13)
1. vehicle, it comprises: fuel cell system; Be used for the seat that the occupant takes; With the plate-shaped member that extends at least along the vertical direction from described seat downside and Width forms along the left and right vehicle wheel direction; Wherein, described fuel cell system comprises: by fuel and oxygen electrochemical reaction and can produce the fuel cell of electric energy; The heat exchanger that medium by described fuel battery inside are cooled off; Be used for the air stream generating apparatus of air stream that described fuel cell and described heat exchanger are cooled off with generation;
Described fuel cell is arranged on the front side of described plate-shaped member;
Described heat exchanger is arranged on the rear side and the close described fuel cell setting of described plate-shaped member;
Described air stream generating apparatus is arranged on the rear side of described heat exchanger;
On the position by described fuel cell and described heat exchanger clamping in described plate-shaped member, be provided with the through hole that makes the circulation of air that is produced by described air stream generating apparatus.
2. vehicle as claimed in claim 1, it is characterized in that, described heat exchanger is by employed air stream cooling in the cooling of described fuel cell, and the air that is produced by air stream generating apparatus stream promptly by from extraneous air directly towards the air stream cooling of described heat exchanger, the amount of employed air stream is than directly many towards the amount that the air of described heat exchanger flows from described extraneous air in the cooling of described fuel cell.
3. vehicle as claimed in claim 1, it is characterized in that, comprise the back vehicle frame, this back vehicle frame has: as described plate-shaped member, from described seat downside along to forward direction tabular the 1st central portion that tiltedly extend the below and Width forms along the left and right vehicle wheel direction, and respectively along the tabular left side and the right side that extend at both ends, the left and right sides and Width forms along the plane vertical with the left and right vehicle wheel direction of described the 1st central portion.
4. vehicle as claimed in claim 3, it is characterized in that, comprise main car frame, described main car frame has: from the bottom of described back vehicle frame at least along fore-and-aft direction extends and Width forms along the plane vertical with the left and right vehicle wheel direction tabular the 2nd central portion, respectively extend along the both ends up and down of described the 2nd central portion and Width along tabular upper lateral part and following side that the left and right vehicle wheel direction forms, the rearward end of described main car frame links to each other with described back vehicle frame.
5. vehicle as claimed in claim 4 is characterized in that, comprises the main switch on described the 2nd central portion that is arranged on described main car frame.
6. vehicle as claimed in claim 5 is characterized in that:
Comprise the preceding pipe that is formed on described main car frame leading section, be bonded on freely to rotate described before on the pipe front fork and be installed in clava on the described main switch;
Described main switch be arranged on described before pipe near;
Porose on the Guan Zaiqi rear side before described;
Described clava is come in and gone out in being configured and can managing before described by described hole, when described main switch is closed, is projected in the described preceding pipe to stop the rotation of described front fork.
7. vehicle as claimed in claim 4 is characterized in that, described main car frame also comprises to be arranged in order to at least one reinforcement that strengthens in described the 2nd central portion, described upper lateral part and the described following side.
8. vehicle as claimed in claim 7 is characterized in that, is provided with a plurality of described reinforcements, and comprises the servicing unit in the space that described the 2nd central portion and a plurality of described reinforcement that be arranged on described main car frame surrounded.
9. vehicle as claimed in claim 4 is characterized in that, also comprises the foot that is used for the described occupant of mounting and is arranged near the leg rest frame the reinforcement described in the described following side of described main car frame.
10. vehicle as claimed in claim 4 is characterized in that, comprises the servicing unit that is built-in with heater element, and the outside part of this servicing unit is close on the described main car frame.
11. vehicle as claimed in claim 4 is characterized in that:
Described the 2nd central portion of described main car frame has through hole;
Have the electrical signal line and/or the drag-line that connect this through hole.
12., it is characterized in that described main car frame and described back vehicle frame are made by light-alloy as vehicle as described in the claim 4.
13., it is characterized in that as vehicle as described in the claim 4:
The cover that comprises at least a portion that covers described main car frame and described back vehicle frame;
At least one and described cover constitute same appearance in the described right side of the described left side of the described upper lateral part of described main car frame, described back vehicle frame and described back vehicle frame.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP359874/2003 | 2003-10-20 | ||
| JP2003359874 | 2003-10-20 | ||
| JP361751/2003 | 2003-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1723582A CN1723582A (en) | 2006-01-18 |
| CN100379071C true CN100379071C (en) | 2008-04-02 |
Family
ID=35912888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200480001913XA Expired - Fee Related CN100379071C (en) | 2003-10-20 | 2004-10-19 | Fuel cell system and vehicle using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100379071C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102596611A (en) * | 2009-07-01 | 2012-07-18 | 江森自控帅福得先进能源动力系统有限责任公司 | Battery system with improved thermal management system |
| JP6956257B2 (en) * | 2018-03-28 | 2021-11-02 | 本田技研工業株式会社 | Saddle-mounted electric vehicle |
| TWI771032B (en) * | 2021-06-02 | 2022-07-11 | 詹桂鎰 | An electric transportation device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57123661A (en) * | 1981-01-23 | 1982-08-02 | Hitachi Ltd | Fuel cell |
| US5301494A (en) * | 1992-07-24 | 1994-04-12 | Ryobi Motor Products Corp. | Recharging system for a battery operated tool having an on-board transformer |
| JP2001138976A (en) * | 1999-11-18 | 2001-05-22 | Yamaha Motor Co Ltd | Vehicle loaded with fuel cell system |
| JP2001313056A (en) * | 2000-04-28 | 2001-11-09 | Yamaha Motor Co Ltd | Drain device of fuel cell vehicle |
| JP2001315680A (en) * | 2000-05-01 | 2001-11-13 | Yamaha Motor Co Ltd | Fuel cell motorcycle |
| JP2003172552A (en) * | 2001-12-05 | 2003-06-20 | Toyota Motor Corp | Cooling device |
-
2004
- 2004-10-19 CN CNB200480001913XA patent/CN100379071C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57123661A (en) * | 1981-01-23 | 1982-08-02 | Hitachi Ltd | Fuel cell |
| US5301494A (en) * | 1992-07-24 | 1994-04-12 | Ryobi Motor Products Corp. | Recharging system for a battery operated tool having an on-board transformer |
| JP2001138976A (en) * | 1999-11-18 | 2001-05-22 | Yamaha Motor Co Ltd | Vehicle loaded with fuel cell system |
| JP2001313056A (en) * | 2000-04-28 | 2001-11-09 | Yamaha Motor Co Ltd | Drain device of fuel cell vehicle |
| JP2001315680A (en) * | 2000-05-01 | 2001-11-13 | Yamaha Motor Co Ltd | Fuel cell motorcycle |
| JP2003172552A (en) * | 2001-12-05 | 2003-06-20 | Toyota Motor Corp | Cooling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1723582A (en) | 2006-01-18 |
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Granted publication date: 20080402 Termination date: 20191019 |