WO2004033877A1 - スロットル装置 - Google Patents
スロットル装置 Download PDFInfo
- Publication number
- WO2004033877A1 WO2004033877A1 PCT/JP2003/013034 JP0313034W WO2004033877A1 WO 2004033877 A1 WO2004033877 A1 WO 2004033877A1 JP 0313034 W JP0313034 W JP 0313034W WO 2004033877 A1 WO2004033877 A1 WO 2004033877A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- throttle
- driving
- shaft
- pulley
- driving means
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/02—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by hand, foot, or like operator controlled initiation means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/04—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by mechanical control linkages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D11/107—Safety-related aspects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1065—Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/109—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps having two or more flaps
- F02D9/1095—Rotating on a common axis, e.g. having a common shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/02—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
- F02D2009/0201—Arrangements; Control features; Details thereof
- F02D2009/0271—Arrangements; Control features; Details thereof with means for closing the throttle other than throttle closing springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
- F02D2009/0201—Arrangements; Control features; Details thereof
- F02D2009/0277—Fail-safe mechanisms, e.g. with limp-home feature, to close throttle if actuator fails, or if control cable sticks or breaks
Definitions
- the present invention relates to a throttle device having a throttle valve for opening and closing an intake passage of an engine, and particularly to a throttle device including a mechanism for returning the throttle pulp to a predetermined rest position.
- a throttle device of a wire / electronic control type or a throttle device of only an electronic control type is known.
- a conventional wire / electronically-controlled throttle device is a 6-cylinder V-type engine that has two intake tanks, each of which collects three intake passages corresponding to each cylinder, and an upstream side from each surge tank.
- two throttle valves arranged in each intake passage on the upstream side are linked by a single throttle shaft, and are opened and closed by a wire or motor, and the return spring is slotted. It is arranged around a torsion shaft to return to a closed rest position (for example, see Patent Document 1).
- the conventional electronically controlled throttle device is configured such that the throttle valves respectively arranged in two intake passages formed in a throttle body are rotatably connected by a single throttle shaft, and the throttle shaft is connected to the throttle valve. ⁇ Open / close by the motor located at the end, and return to the closed rest position by the return spring located at the other end of the throttle shaft. (For example, see Patent Document 2).
- a torsion type return spring having a relatively large urging force is employed in order to return the throttle valve to the closed position at the time of stop or emergency. Therefore, in normal opening and closing operations, the biasing force of the return spring acts as a driving load on the motor, etc., which increases power consumption, increases the size of the motor, and further increases the size of the entire device. become.
- the present invention has been made in view of the above-described problems of the related art, and an object thereof is to prevent a return force that is unnecessary in a normal opening and closing operation as in the related art from occurring, and to achieve a smooth operation. It is an object of the present invention to provide a throttle device that performs opening and closing operations and performs a quick return operation at rest and in an emergency. Disclosure of the invention
- the throttle device of the present invention includes a throttle valve arranged in an intake passage of an engine, a throttle shaft for supporting and opening the throttle valve, and first driving means including a motor for rotatingly driving the throttle shaft. And a second drive means for exerting a return force on the throttle shaft when the throttle valve is returned to a predetermined rest position.
- the throttle valve in a normal operation, when the throttle shaft is rotated by the first driving means, the throttle valve is closed at the closed position. And the fully open position to open and close.
- the second drive means when the second drive means is an electromagnetic drive type, the switch is operated by a driver or automatically, The second drive means operates to rotate the throttle shaft and return the throttle valve to the rest position.
- the second driving means does not operate and exerts no restoring force, so that a smooth opening / closing operation is performed.
- the second driving means may include a pulley fixed to the throttle shaft, a wire connected along the circumferential direction of the pulley, and an electromagnetic solenoid for driving the wire.
- the second driving means is configured to be electromagnetically driven with a simple structure, the reliability of the device is ensured and the size of the device is reduced.
- an angle detection sensor for detecting an angular position of the throttle pulp, and control means for controlling at least driving of the first drive means, wherein the control means includes a detection signal of the angle detection sensor and a signal of the first drive means.
- a configuration in which an electromagnetic solenoid is driven based on a drive signal can be employed.
- the second driving means has a pulley fixed to the throttle shaft, a wire connected along a circumferential direction of the pulley, and a manual operation lever for driving the wire.
- Configuration can be adopted. According to this configuration, when the driver operates the operation lever to pull the wire, the pulley rotates, and the throttle shaft, that is, the throttle pulp, rotates to the closing side and returns to the rest position.
- the second driving means is configured as a manual type with a simple structure, the reliability of the device is ensured and the size of the device is reduced.
- a configuration may be adopted in which the pulley is disposed near the driving force of the first driving unit.
- FIG. 1 is a block diagram showing the entire system including the throttle device according to the present invention.
- FIG. 2 is a cross-sectional view showing one embodiment of the throttle device according to the present invention.
- FIG. 3 is a side view showing a first driving means and an electromagnetically driven second driving means of the apparatus shown in FIG.
- FIG. 4 is a side view showing a first drive unit and a manual second drive unit in another embodiment of the throttle device according to the present invention.
- Fig. 1 is a block diagram showing a control system
- Fig. 2 is a cross-sectional view of a throttle device
- Fig. 3 is a side view of an electromagnetic drive means and the like. As shown in FIG.
- this control system includes an engine 1, a quadruple throttle device 2 attached to the intake system of the engine 1, a drive circuit 3 for driving a first drive means 50 provided in the device 2, A drive circuit 4 for driving the second drive means 60, an angle detection circuit 5 for processing a signal from an angle detection sensor 70 for detecting an angular position of the throttle valve 30 in the device 2, a rotation speed of the engine 1 is detected.
- Rotation sensor 6 and rotation speed detection circuit 7, water temperature sensor 8 and water temperature detection circuit 9 for engine 1 storage unit 10 in which various control information, operation maps, etc. are stored in advance, and controls the entire system
- the control unit 11 is provided as control means.
- This device 2 is a quadruple throttling device applied to an in-line four-cylinder engine mounted on a motorcycle, and as shown in Figs. 2 and 3, four throttling devices that define the intake passage 21 Throttle body 20, throttle shaft 40, which supports four throttle valves 30 and four throttle valves 30, which are arranged in the intake passage 21, at the same time, so that they can open and close simultaneously.
- the first driving means 50 for rotating and driving the throttle valve, the second driving means 60 for exerting a return force for returning the throttle valve 30 to a predetermined rest position, the angle detection sensor 70 for detecting the rotation angle of the throttle shaft 40, etc. Is provided.
- this device 2 includes, as other components, a bearing 80 for rotatably supporting the throttle shaft 40, a spacer 90 for connecting the throttle bodies 20, and four throttle bodies 20. It has a connecting frame 100 and the like.
- the first driving means 50 is composed of a DC motor 51 having a pinion 51a, a large gear 52a coupled to a pinion 51a, and a small gear 52a.
- the gear 52 which is integrally formed with the gear 52b, is engaged with the gear 52 (small gear 52b), and is fixed to one end of the throttle shaft 40, and the rotating end of the gear 53, It is formed by adjusting screws 54 that regulate the angle position).
- the DC motor 51 rotates, the rotation driving force is transmitted from the pinion 5 la to the throttle shaft 40 via a gear train (gears 52 and 53).
- the throttle shaft 40 rotates in a predetermined rotation angle range, and the throttle valve 30 opens and closes in a range from a predetermined rest position to a fully open position.
- the second drive means 60 enters the groove of the pulley 61 and the pulley 61 fixed to the throttle shaft 40 on the outer side of the gear 53 and extends in the circumferential direction.
- a pull-type electromagnetic solenoid 63 that draws in and drives the wire 62.
- the second driving means 60 exerts a return force on the throttle shaft 40 only when returning the throttle pulp 30 to the closed-side rest position in an emergency or other predetermined case. It is not driven during normal opening and closing operations other than, and does not exert a resetting force.
- the electromagnetic solenoid 63 is actuated so that the wire 62 generates tension and does not exert a load. It is formed so that it is pulled in only to generate tension.
- the pulley 61 is rotated counterclockwise. When located at the rotating end, the wire 62 does not generate tension even in the stretched state, while allowing the wire 62 to loosen when the pulley 61 is located at the clockwise rotating end.
- a mechanism for absorbing this looseness is adopted.
- the second driving means 60 does not exert a restoring force in a normal opening / closing operation, the load acting on the first driving means 50 is reduced. Therefore, the power consumption of the DC motor 51 is reduced. Further, since the second driving means 60 is formed by a simple structure such as the pulley 61, the wire 62, the electromagnetic solenoid 63, etc., the reliability of the device is ensured and the device is downsized. .
- the pulley 62 is disposed near the gear 53 for transmitting the driving force, so that the electromagnetic solenoid can be temporarily operated while the driving force of the DC motor 51 is acting. Even if 63 is actuated to generate a return force that is in opposition to the driving force, twisting of the throttle shaft 40 is prevented. As a result, a synchronization deviation (a phase deviation between the plurality of throttle valves 30) supported by the throttle shaft 40 is prevented.
- the DC motor 51 rotates in the reverse direction based on the control signal from the control unit 11, the throttle shaft 40 rotates in the reverse direction along the reverse path, and the throttle valve 30 is fully opened. Close the intake passage 1 from the position Rotate to the rest position.
- the rotation of the DC motor 51 is appropriately controlled in accordance with the control mode, and the throttle valve 30 is driven to open and close so as to have an optimal opening.
- the DC motor 51 stops when the throttle valve 30 returns to the rest position.
- control unit 11 does not generate a drive signal to the second drive means 60, so that no return force is generated, and the throttle valve 30 smoothly opens and closes. .
- control unit 11 determines that the device 2 is in an abnormal state based on the detection signal of the angle detection sensor 70 and the drive signal of the first drive unit 50, for example, the throttle pulp 30 If it is determined that the opening is not controlled to the desired degree, the control unit 11 issues a drive signal to the second drive means 60 via the drive circuit 4.
- the electromagnetic solenoid 63 is actuated to draw the wire 62, and the pulley 61 rotates the slit shaft 40 to return the throttle pulp 30 to the closed-side rest position.
- the control unit 11 determines that there is an abnormality
- the return operation is automatically performed, so that a dangerous state can be avoided beforehand.
- the time required for the return operation can be arbitrarily set by appropriately selecting the drive conditions of the electromagnetic solenoid 63 such as on / off control, duty control, and the like, and the optimum one can be supplied according to the vehicle mounted.
- FIG. 4 shows another embodiment of the throttle device according to the present invention, and the same components as those in the above-described embodiment are denoted by the same reference numerals and description thereof will be omitted.
- a manually driven second driving means 60 is employed. That is, as shown in FIG. 4, the second driving means 60 ′ is formed by a pulley 61, a wire 62, an operation lever 64 for manually pulling the wire 62, and the like as described above.
- the second drive means 60 exerts a restoring force on the throttle shaft 40 only when returning the throttle valve 30 to the closed rest position in an emergency or other predetermined case. In other normal opening / closing operations, no resetting force is exerted unless the driver operates.
- the operation lever 64 is operated so that the wire 62 generates tension and does not exert a load. It is formed so that it is pulled only to create tension.
- the wire 62 does not generate tension even in the stretched state, while the pulley 61 is When it is located at the peripheral rotating end, a mechanism that allows the looseness of the pin 62 or absorbs this looseness is employed.
- the second driving means 60 ′ since the second driving means 60 ′ does not exert a restoring force in a normal opening / closing operation, the load acting on the first driving means 50 is reduced. Therefore, the power consumption of DC motor 51 is reduced.
- the second drive means 60 ′ force S, pulley 61, wire 62, operation lever 64, etc. are formed with a simple structure, the reliability of the device is secured, and the device is downsized. Is performed. Next, the overall operation of the throttle device will be described.
- the rotation of the DC motor 51 is appropriately controlled according to the control mode, and the throttle valve 30 is driven to open and close so as to have an optimal opening.
- the DC motor 51 stops when the throttle valve 30 returns to the rest position.
- the driver recognizes that the device 2 has an abnormality, for example, if the driver 1 recognizes that the rotation of the engine 1 does not decrease despite the operation of reducing the throttle, the driver operates the operating lever 6. Operate 4.
- the wire 62 is pulled, the pulley 61 rotates the throttle shaft 40, and the throttle valve 30 returns to the closed rest position.
- the tension of the wire 62 by appropriately adjusting the tension of the wire 62, the time required for the return operation can be arbitrarily set, and the optimum one can be supplied according to the vehicle to be mounted.
- the four throttle devices in which the four throttle valves 30 are integrally supported on the throttle shaft 40 are shown.
- the present invention is not limited to this, and has a single throttle valve.
- the configuration of the present invention may be applied to a throttle device or a multi-throttle device having three, five or more stations.
- the electromagnetic solenoid 63 is applied as the second driving means 60
- the present invention is not limited to this, and other driving sources may be adopted. .
- a conventional torsion type return spring is not used, but in order to remove backlash or the like in the gear train of the first drive means 50, a torsion spring with a weak urging force is added. Is also good. Industrial applicability
- the first drive means including the throttle shaft for opening and closing the throttle valve arranged in the intake passage of the engine and the motor for rotating the throttle shaft.
- the electromagnetically driven or manual second driving means that exerts a returning force on the throttle shaft when the throttle valve is returned to the predetermined rest position is employed, so that the returning force is obtained in a normal opening / closing operation. Does not work, smooth opening and closing operations are performed.
- the load applied to the motor of the first driving means is reduced, power consumption can be reduced, or the size of the motor and the size of the device can be reduced.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/530,297 US7156074B2 (en) | 2002-10-11 | 2003-10-10 | Throttle device |
JP2004542869A JPWO2004033877A1 (ja) | 2002-10-11 | 2003-10-10 | スロットル装置 |
EP03751445A EP1550802A4 (en) | 2002-10-11 | 2003-10-10 | BUTTERFLY DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002298529 | 2002-10-11 | ||
JP2002-298529 | 2002-10-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004033877A1 true WO2004033877A1 (ja) | 2004-04-22 |
Family
ID=32089313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/013034 WO2004033877A1 (ja) | 2002-10-11 | 2003-10-10 | スロットル装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7156074B2 (ja) |
EP (1) | EP1550802A4 (ja) |
JP (1) | JPWO2004033877A1 (ja) |
WO (1) | WO2004033877A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006336638A (ja) * | 2005-05-02 | 2006-12-14 | Yamaha Motor Co Ltd | 鞍乗型車両 |
JP4732119B2 (ja) * | 2005-10-18 | 2011-07-27 | 本田技研工業株式会社 | 鞍乗り型車両における吸気制御装置 |
JP4522373B2 (ja) * | 2006-02-13 | 2010-08-11 | 川崎重工業株式会社 | スロットルバルブ制御装置及びエンジン |
JP4799352B2 (ja) | 2006-09-29 | 2011-10-26 | 本田技研工業株式会社 | 車両用v型内燃機関の電子スロットル制御装置 |
JP4731592B2 (ja) * | 2008-11-11 | 2011-07-27 | 三菱電機株式会社 | 内燃機関の吸気量制御装置 |
JP5202415B2 (ja) * | 2009-03-31 | 2013-06-05 | 本田技研工業株式会社 | スロットル制御装置 |
US20120240898A1 (en) * | 2011-03-23 | 2012-09-27 | Visteon Global Technologies, Inc. | Integrated plastic throttle body, electronic control unit, and sensors for small engine |
FR2984960B1 (fr) * | 2011-12-21 | 2013-12-20 | Valeo Sys Controle Moteur Sas | Doseur deux voies avec dosage sur chaque voie |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6380039A (ja) * | 1986-09-24 | 1988-04-11 | Mazda Motor Corp | エンジンのスロツトル弁制御装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59190440A (ja) * | 1983-04-11 | 1984-10-29 | Nissan Motor Co Ltd | 車両用アクセル制御装置 |
JPH0658070B2 (ja) * | 1985-07-31 | 1994-08-03 | 株式会社日立製作所 | 絞弁制御装置 |
JPS63201335A (ja) * | 1987-02-16 | 1988-08-19 | Mikuni Kogyo Co Ltd | スロツトルバルブ制御装置 |
JPS63215844A (ja) * | 1987-03-05 | 1988-09-08 | Mikuni Kogyo Co Ltd | エンジンのスロットルバルブ制御装置 |
JPS63219827A (ja) * | 1987-03-09 | 1988-09-13 | Mitsubishi Electric Corp | スロツトル弁制御装置 |
JPH0737770B2 (ja) * | 1987-07-24 | 1995-04-26 | 日産自動車株式会社 | 車両用スロットル開度制御装置 |
DE3909570A1 (de) * | 1989-03-23 | 1990-09-27 | Vdo Schindling | Lastverstelleinrichtung |
US5033433A (en) * | 1990-06-14 | 1991-07-23 | Kohler Co. | Throttle with co-axial stepper motor drive |
JP3139190B2 (ja) | 1993-01-13 | 2001-02-26 | 日産自動車株式会社 | 内燃機関の絞弁駆動装置 |
JPH08218904A (ja) | 1995-02-16 | 1996-08-27 | Keihin Seiki Mfg Co Ltd | 内燃機関における吸気量制御装置 |
JPH11107786A (ja) * | 1997-09-30 | 1999-04-20 | Aisin Seiki Co Ltd | スロットル制御装置 |
JP3695268B2 (ja) * | 1999-12-28 | 2005-09-14 | 日産自動車株式会社 | 開閉弁装置 |
JP3945568B2 (ja) * | 2000-12-27 | 2007-07-18 | 株式会社デンソー | 内燃機関の吸気制御装置 |
-
2003
- 2003-10-10 JP JP2004542869A patent/JPWO2004033877A1/ja active Pending
- 2003-10-10 EP EP03751445A patent/EP1550802A4/en not_active Withdrawn
- 2003-10-10 US US10/530,297 patent/US7156074B2/en not_active Expired - Fee Related
- 2003-10-10 WO PCT/JP2003/013034 patent/WO2004033877A1/ja active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6380039A (ja) * | 1986-09-24 | 1988-04-11 | Mazda Motor Corp | エンジンのスロツトル弁制御装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1550802A4 (en) | 2007-02-28 |
US7156074B2 (en) | 2007-01-02 |
JPWO2004033877A1 (ja) | 2006-02-09 |
US20060157025A1 (en) | 2006-07-20 |
EP1550802A1 (en) | 2005-07-06 |
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