CN101956609B - Actuating mechanism for electron speed regulator - Google Patents
Actuating mechanism for electron speed regulator Download PDFInfo
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- CN101956609B CN101956609B CN 201010523371 CN201010523371A CN101956609B CN 101956609 B CN101956609 B CN 101956609B CN 201010523371 CN201010523371 CN 201010523371 CN 201010523371 A CN201010523371 A CN 201010523371A CN 101956609 B CN101956609 B CN 101956609B
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- linkage rod
- worm
- slide pad
- feed pump
- oil feed
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Abstract
The invention discloses an actuating mechanism for an electron speed regulator. The actuating mechanism comprises a fixed mount, wherein a stepping motor and a worm-wheel and worm transmission device are arranged on the fixed mount; the stepping motor drives a linkage rod which is in linkage with an oil feed pump rack through the worm-wheel and worm transmission device; a floating block which performs translational motion along the axial direction of the linkage rod and is used for driving the oil feed pump rack is arranged on the linkage rod; a spring which extends along the axis of the linkage rod and is used for fixing the floating block is arranged between the floating block and the linkage rod, one end of the spring is fixedly connected to the linkage rod, and the other end of the spring is fixedly connected to the floating block, and a limit structure for overcoming the acting force of the spring on the floating block to perform one-way limit on the floating block is arranged on the linkage rod; an emergent shut-down device is arranged on the fixed mount, and the emergent shut-down device comprises a shut-down electromagnet and a push rod which is in transmission connection with the shut-down electromagnet; and the shut-down electromagnet provides thrust for the push rod, so the push rod pushes the oil feed pump rack and the floating block and the linkage rod to generate relative motion by overcoming the acting force of the spring on an oil feed pump rack shaft through the floating block.
Description
Technical field
The invention belongs to motor electronic speed regulator field, particularly a kind of actuating mechanism for electron speed regulator.
Background technique
Speed regulator is the control centre of motor, can change the fuel delivery per cycle of automatically regulating motor according to engine loading, keeps the stabilization of speed of motor, thereby guarantees that motor has good service behaviour.What use on mini engine is centrifugal mechanical governor, and centrifugal mechanical governor is as first generation speed regulator, its complicated structure, and adjusting speed accuracy is relatively poor, can not need by satisfying the market.In recent years, development due to computer technology, the Digital electronic speed control device is adopted in the speed governing of diesel engine more, but the development at home of Digital electronic speed control device is slower, and especially the Digital electronic speed control machine field for the exploitation of light duty diesel engine or diesel power generation unit still belongs to blank.
Owing to being subjected to the restrictions such as diesel engine cost, accessory arrangement space, at present, mostly adopt centrifugal mechanical governor for the speed regulator of light duty diesel engine or diesel power generation unit.Also there is in the market minority to be used for the actuating mechanism for electron speed regulator of light duty diesel engine speed governing, it mainly uses stepper motor that driving force is provided and moves to drive linkage rod by Worm and worm-wheel gearing, linkage rod and the interlock of oil feed pump tooth bar, thereby realize the adjusting to the oil feed pump fuel delivery, complete the accurate speed governing to diesel engine.But the structure of passing through swing arm and linkage rod of taking in above-mentioned Worm and worm-wheel gearing easily causes the stuck and case accident of linkage rod, speed governing stability and reliability have open defect, realize interlock at the end of linkage rod by the tooth bar of flexible collar and oil feed pump in addition, its whole assembly process is had relatively high expectations to installer's qualification, assemble numerous and diversely, efficiency of assembling is lower.And because adopt worm and gear to possess like this transmission system of auto-lock function; when emergency occurring; the device that can break the self-locking of Worm Wheel System system need to be set on electronic speed regulator, to guarantee fast throttle to be dropped to minimum fast, realize emergency shutdown.
Summary of the invention
The purpose of this invention is to provide a kind of actuating mechanism for electron speed regulator that can realize the transmission self-locking, can realize again emergency shutdown.
for achieving the above object, the present invention adopts following technological scheme: a kind of actuating mechanism for electron speed regulator, comprise fixing frame, stepper motor and worm gearing are installed on fixing frame, stepper motor drives the linkage rod that is used for the interlock of oil feed pump tooth bar by worm gearing, be equipped with for the slide pad that drives the oil feed pump tooth bar along the axially directed movement of linkage rod on described linkage rod, be provided with on linkage rod the unidirectional spacing limit structure of slide pad, be provided with the axially extended spring that slide pad is pushed up on the limit structure that is pressed in linkage rod along linkage rod between slide pad and linkage rod, one end of spring is connected on linkage rod, the other end is connected on slide pad, be provided with emergency stop device on fixing frame, this emergency stop device comprises shuts down electromagnet and overcomes with being used for of shutting down that electromagnet is in transmission connection that spring drives slide pad to the active force of slide pad and oil feed pump tooth bar or the oil feed pump tooth bar stops driving mechanism to the urgency that minimum throttle position moves.
On described linkage rod, an end corresponding with slide pad is provided with for the mounting hole that is axially extended internally by the linkage rod end face along linkage rod that is slidably matched with the slide pad gap, and spring is assemblied in mounting hole.
Described spring is stage clip, at the bottom of being used on linkage rod be the hole of mounting hole to the unidirectional spacing limit structure of slide pad, on stage clip is pressed in slide pad top at the bottom of the hole of mounting hole, stage clip be connected in an end top on slide pad be pressed in slide pad away from the end end face at the bottom of the mounting hole hole, its other end is spacing by the stop screw that is installed on linkage rod away from the end end at the bottom of the mounting hole hole.
Be provided with on described slide pad for the perforation of oil feed pump tooth bar Spielpassung, offer with the opposite position of perforation the chute that is slidably matched with oil feed pump tooth bar glade plane space that extends axially and run through hole wall along linkage rod on the hole wall of mounting hole.
Be provided with guide pad on described fixing frame, be provided with on guide pad along the axially extended pilot hole for being slidably matched with linkage rod of linkage rod.
Be rotatablely equipped with worm-wheel shaft on described fixing frame, the coaxial worm gear that is installed with the worm meshing transmission on worm-wheel shaft, worm-wheel shaft is provided with the turning lever around the worm-wheel shaft swing that radially extends along it, an end and the linkage rod away from worm-wheel shaft of turning lever are in transmission connection, and described slide pad is arranged on the end away from turning lever on linkage rod.
The worm set on worm screw of being sleeved on for restriction worm screw axial float is installed on described fixing frame, worm set is flange arrangement, worm set is installed on fixing frame by the screw that matches with flange, corresponding section with worm set on worm screw is provided with the shaft shoulder, the thrust surface top press fit of the shaft shoulder and worm set.
Circumferentially be provided with groove near stirring on the outer circumferential face of rod end around it on described worm-wheel shaft, offer and the hole of radially extending along worm-wheel shaft with the groove corresponding section on fixing frame, be equipped with pin and steel ball in the hole, pin heads on steel ball and is stuck in groove on worm-wheel shaft.
Be provided with the edge on described linkage rod perpendicular to the axially extended sliding-groove of linkage rod, be provided with the edge perpendicular to the axially extended drive link of turning lever on turning lever, offer the curve bath that swings with turning lever for drive link on the pilot hole hole wall of guide pad, drive link passes curve bath and extends in sliding-groove on linkage rod, and drive link and sliding-groove gap are slidably matched.
Described urgency is stopped driving mechanism and is comprised the catch bar that directly drives by shutting down electromagnet, and the end away from the shutdown electromagnet of catch bar is used for driving slide pad when shutting down work of electromagnet and the oil feed pump tooth bar moves to minimum throttle position.
In a kind of actuating mechanism for electron speed regulator of the present invention, worm gearing is set on fixing frame, realize the transmission self-locking by the worm and gear self-locking device, and by the linkage rod of worm and gear driving with the interlock of oil feed pump tooth bar, by worm-and-wheel gear, rotatablely moving of stepper motor become the straight line motion of linkage rod, thereby guarantee to drive the action of oil feed pump tooth bar at the slide pad of linkage rod end setting.By the unidirectional limit structure on spring and linkage rod, slide pad synchronously is fixed on linkage rod to realize the interlock of linkage rod and slide pad; when the needs emergency shutdown; stop driving mechanism by the shutdown electromagnet to the urgency that is in transmission connection with it power is provided; suddenly stop driving mechanism and overcome the slide pad motion that spring drives the oil feed pump tooth bar to the slide pad active force and coordinates with it; until suddenly stopping driving mechanism is driven into minimum throttle position with oil feed pump tooth bar and slide pad, realize emergency shutdown.When emergency stop device was worked, no matter which kind of working state worm and gear self-locking driving mechanism is in, which kind of working position linkage rod and slide pad were in, and all can overcome the self-locking of worm and gear and realize emergency shutdown.The present invention is simple in structure, stable drive, and actuator's stable and reliable operation can effectively guarantee the accurate speed governing to diesel engine.The present invention need not change original diesel engine structure, utilizes the mounting point of the speed-regulating handle of original centrifugal mechanical governor, realizes the installation of actuator, thereby has improved the economical and adaptability of product.Owing to not changing original diesel engine structure, thereby both guarantee actuating mechanism for electron speed regulator installation, the convenience of using and debugging, saved again development cost.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is slide pad and linkage rod linkage structure schematic diagram in Fig. 2;
Fig. 4 is the assembly structure schematic diagram between curve bath on turning lever and linkage rod and fixing frame in Fig. 2.
Embodiment
as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of actuating mechanism for electron speed regulator, comprise the fixing frame 15 that is fixed by screws on gearbox cover for diesel engine, 42 stepper motor 13 and worm gearings are installed on fixing frame 15, the output revolving shaft of stepper motor 13 is in transmission connection with worm screw 12 by pin and shaft coupling 14, be rotatablely equipped with worm-wheel shaft 4 on fixing frame 15, the coaxial worm gear 10 that is installed with worm screw 12 engagement driving on worm-wheel shaft 4, the end of worm shaft 4 is provided with along its turning lever that radially extends 20, turning lever 20 swings around worm shaft 4 with worm shaft 4 rotations, an end away from worm-wheel shaft 4 of turning lever 20 is in transmission connection and is useful on the linkage rod 5 that drives oil feed pump tooth bar 6, be provided with guide pad 21 on fixing frame 15, be provided with on guide pad 21 along the axially extended pilot hole of linkage rod, linkage rod 5 coordinates with the pilot hole glade plane space, an end away from turning lever 20 of linkage rod 5 is connected with the slide pad 7 with 6 interlocks of oil feed pump tooth bar, be provided with perforation on slide pad 7, oil feed pump tooth bar 6 is by realizing interlock with slide pad 7 with the perforation Spielpassung.
As Fig. 1, Fig. 2, shown in Figure 3, arrange perpendicular to the axially extended sliding-groove 212 of linkage rod on linkage rod 5, be provided with the edge perpendicular to the axially extended drive link 213 of turning lever on turning lever 20, offer the curve bath 211 that swings with turning lever for drive link on the pilot hole hole wall on guide pad 21, drive link 213 coordinates with curve bath 211 glade plane spaces, drive link 213 passes curve bath 211 and extends in sliding-groove 212 on linkage rod 5, and drive link 213 is slidably matched with sliding-groove 212 gaps.
As shown in Figure 1, be restriction worm screw 12 play in the axial direction, worm set 11 is installed on fixing frame 15, this worm set 11 is flange arrangement, be cemented on fixing frame with three screws, worm set 11 is sleeved on worm screw 12, and the corresponding section with worm set 11 on worm screw 12 is hierarchic structure, the thrust surface top press fit of the shaft shoulder of hierarchic structure and worm set 11 on worm screw 12, the axial float of restriction worm screw.
As shown in Figure 1, steel ball 3 and pin 2 for restriction worm-wheel shaft axial float are installed on worm-wheel shaft 4 in the present embodiment, be provided with groove 30 near stirring on the outer circumferential face of rod end on worm-wheel shaft, offer the hole of radially extending along worm-wheel shaft with groove 30 corresponding sections on fixing frame, steel ball 3 and pin 2 are assemblied in the hole, pin 2 heads on steel ball 3 and is installed in groove 30 on worm-wheel shaft, thereby completes the axial limiting to worm-wheel shaft, prevents the axial float of worm-wheel shaft.
as shown in Figure 3, an end corresponding with slide pad 7 on linkage rod 5 is provided with mounting hole 22, slide pad 7 gaps are arranged in mounting hole 22 with being slidably matched, be provided with along linkage rod 5 axially extended for the fixing spring 8 of slide pad 7 between linkage rod 5 and slide pad 7, one end of spring 8 is connected on slide pad 7, the other end is connected on linkage rod 5, what the spring in the present embodiment adopted is stage clip, an end top that is connected on slide pad 7 of stage clip is pressed on the end end face away from turning lever of slide pad, its the other end is spacing away from the stop screw 9 of an end end of turning lever by being installed in linkage rod, be provided with on linkage rod 5 be used to the active force that overcomes 8 pairs of slide pad 7 of spring the unidirectional spacing limit structure of slide pad, limit structure in the present embodiment be arranged on by at the bottom of the hole of mounting hole, slide pad being carried out unidirectional spacing.In the present embodiment, under spring action, slide pad 7 is fixed on an end of linkage rod with linkage rod 5 synchronization motions, and then the interlock by the perforation realization on slide pad and oil feed pump tooth bar 6, thereby realizes adjusting to the fuel delivery size by the straight line motion of linkage rod.
Offer on slide pad 7 for the oil feed pump tooth bar between the perforation that coordinates, offer along linkage rod with perforation opposite position place on mounting hole 22 hole walls of linkage rod 5 and extend axially the chute that runs through hole wall, chute is arranged symmetrically with about the linkage rod central axis, and the oil feed pump tooth bar passes chute and coordinates with the chute glade plane space.
The limit structure that is arranged in the present embodiment on linkage rod is the hole bottom end of mounting hole, during concrete enforcement, also the end away from stop screw of chute can be arranged to positive stop end, set firmly the position-limited lever that matches with positive stop end at slide pad, position-limited lever coordinates with the chute glade plane space.
as Fig. 1, shown in Figure 2, also be provided with on fixing frame 15 for the emergency stop device that drives slide pad 7 actions, emergency stop device uses when being mainly used in shutting down under without instruction or failure condition, this emergency stop device comprises the shutdown electromagnet 1 that is arranged on fixing frame 15 and stops driving mechanism with the urgency that slide pad 7 is in transmission connection, suddenly stopping driving mechanism is catch bar 31, catch bar 31 directly drives by shutting down electromagnet 1 in the present embodiment, catch bar 31 is arranged on fixing frame 48 and is provided with in the guiding groove that is slidably matched with catch bar, during use, be integrally formed with impact block 32 on oil feed pump tooth bar 6, , catch bar 21 is over against impact block 32, when shutting down electromagnet 1 work, catch bar 21 promotes impact block 32 to the place's motion of minimum throttle under shutdown electromagnet 1 thrust, until overcoming spring 8 active forces, impact block 32 drive oil feed pump tooth bars 6 and slide pad 7 move to minimum throttle position, realize shutting down.
In the specific implementation; when shutdown electromagnet 1 is not worked; catch bar 31 does not contact with impact block 32 or contact but catch bar does not push impact block; but catch bar is all the time over against impact block; like this in case shut down work of electromagnet; no matter slide pad and oil feed pump tooth bar are positioned at that position, and catch bar can be pushed into slide pad and oil feed pump tooth bar by impact block the position of minimum throttle.
To guarantee during design when catch bar 31 is in the closest approach of working stroke middle distance shutdown electromagnet; catch bar does not affect the normal interlock of oil feed pump tooth bar and slide pad and linkage rod; when catch bar was in the working stroke middle distance and shuts down the solstics of electromagnet, catch bar just in time can be completed the task of slide pad and oil feed pump tooth bar being pushed into minimum throttle position.
Impact block in the present embodiment and oil feed pump tooth bar Integral design when specifically implementing, also can be Integral design with impact block and slide pad.To move to minimum throttle position by promoting slide pad drive oil feed pump tooth bar when catch bar pushes impact block like this, can realize emergency shutdown equally.
During concrete enforcement; suddenly stopping driving mechanism can also can be pull bar for catch bar; shut down the opposite side that electromagnet is arranged on oil feed pump this moment, and the hook by the tie rod end setting can pull the impact block motion, completes slide pad and the oil feed pump rack drives task to minimum throttle position.
During emergency shutdown; provide thrust by shutting down electromagnet 1 to catch bar 31; catch bar 31 promotes impact block 32; thereby make oil feed pump tooth bar 6 and slide pad 7 overcome spring by slide pad to the active force of oil feed pump tooth bar make slide pad away from the bottom of the mounting hole hole until make oil feed pump tooth bar and slide pad move to the throttle minimum position, realize emergency shutdown.
Actuating mechanism for electron speed regulator of the present invention in use, driving worm screw 12 by 42 stepper motors 13 rotates, by the engagement driving of worm screw 12 with worm gear 10, worm-wheel shaft 4 drives turning lever 20 and swings, turning lever 20 drives linkage rod 5 and does straight line motion along pilot hole, the slide pad 7 with 6 interlocks of oil feed pump tooth bar that the end of linkage rod 5 arranges moves along with the action of linkage rod 5, thereby realizes the adjusting to the oil feed pump fuel delivery, guarantees the speed-regulating instruction of reliable and stable execution electronic speed regulator.After without instruction under fault state; under the thrust of shutting down electromagnet 1; the slide pad that promotes the oil feed pump tooth bar and coordinate with it make slide pad overcome spring to the active force of slide pad away from the positive stop end of chute until make the oil feed pump tooth bar move to the throttle minimum position, realize emergency shutdown.
Claims (9)
1. actuating mechanism for electron speed regulator, comprise fixing frame, stepper motor and worm gearing are installed on fixing frame, stepper motor drives the linkage rod that is used for the interlock of oil feed pump tooth bar by worm gearing, it is characterized in that: be equipped with for the slide pad that drives the oil feed pump tooth bar along the axially directed movement of linkage rod on described linkage rod, be provided with on linkage rod the unidirectional spacing limit structure of slide pad, be provided with the axially extended spring that slide pad is pushed up on the limit structure that is pressed in linkage rod along linkage rod between slide pad and linkage rod, one end of spring is connected on linkage rod, the other end is connected on slide pad, on described linkage rod, an end corresponding with slide pad is provided with for the mounting hole that is axially extended internally by the linkage rod end face along linkage rod that is slidably matched with the slide pad gap, spring is assemblied in mounting hole, be provided with emergency stop device on fixing frame, this emergency stop device comprises shuts down electromagnet and overcomes with being used for of shutting down that electromagnet is in transmission connection that spring drives slide pad to the active force of slide pad and oil feed pump tooth bar and the oil feed pump tooth bar stops driving mechanism to the urgency that minimum throttle position moves.
2. actuating mechanism for electron speed regulator according to claim 1, it is characterized in that: described spring is stage clip, at the bottom of being used on linkage rod be the hole of mounting hole to the unidirectional spacing limit structure of slide pad, on stage clip is pressed in slide pad top at the bottom of the hole of mounting hole, stage clip be connected in an end top on slide pad be pressed in slide pad away from the end end face at the bottom of the mounting hole hole, its other end is spacing by the stop screw that is installed on linkage rod away from the end end at the bottom of the mounting hole hole.
3. actuating mechanism for electron speed regulator according to claim 1, it is characterized in that: be provided with on described slide pad for the perforation of oil feed pump tooth bar Spielpassung, offer with the opposite position of perforation the chute that is slidably matched with oil feed pump tooth bar glade plane space that extends axially and run through hole wall along linkage rod on the hole wall of mounting hole.
4. the described actuating mechanism for electron speed regulator of any one according to claim 1 to 3 is characterized in that: be provided with guide pad on described fixing frame, be provided with on guide pad along the axially extended pilot hole for being slidably matched with linkage rod of linkage rod.
5. the described actuating mechanism for electron speed regulator of any one according to claim 1 to 3, it is characterized in that: be rotatablely equipped with worm-wheel shaft on described fixing frame, the coaxial worm gear that is installed with the worm meshing transmission on worm-wheel shaft, worm-wheel shaft is provided with the turning lever around the worm-wheel shaft swing that radially extends along it, an end and the linkage rod away from worm-wheel shaft of turning lever are in transmission connection, and described slide pad is arranged on the end away from turning lever on linkage rod.
6. actuating mechanism for electron speed regulator according to claim 5, it is characterized in that: the worm set on worm screw of being sleeved on for restriction worm screw axial float is installed on described fixing frame, worm set is flange arrangement, worm set is installed on fixing frame by the screw that matches with flange, corresponding section with worm set on worm screw is provided with the shaft shoulder, the thrust surface top press fit of the shaft shoulder and worm set.
7. actuating mechanism for electron speed regulator according to claim 5, it is characterized in that: circumferentially be provided with groove near stirring on the outer circumferential face of rod end around it on described worm-wheel shaft, offer and the hole of radially extending along worm-wheel shaft with the groove corresponding section on fixing frame, be equipped with pin and steel ball in the hole, pin heads on steel ball and is stuck in groove on worm-wheel shaft.
8. actuating mechanism for electron speed regulator according to claim 5, it is characterized in that: be provided with the edge on described linkage rod perpendicular to the axially extended sliding-groove of linkage rod, be provided with the edge perpendicular to the axially extended drive link of turning lever on turning lever, offer the curve bath that swings with turning lever for drive link on the pilot hole hole wall of guide pad, drive link passes curve bath and extends in sliding-groove on linkage rod, and drive link and sliding-groove gap are slidably matched.
9. the described actuating mechanism for electron speed regulator of any one according to claim 1 to 3; it is characterized in that: described urgency is stopped driving mechanism and is comprised the catch bar that directly drives by shutting down electromagnet, and the end away from the shutdown electromagnet of catch bar is used for driving slide pad when shutting down work of electromagnet and the oil feed pump tooth bar moves to minimum throttle position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010523371 CN101956609B (en) | 2010-10-28 | 2010-10-28 | Actuating mechanism for electron speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010523371 CN101956609B (en) | 2010-10-28 | 2010-10-28 | Actuating mechanism for electron speed regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101956609A CN101956609A (en) | 2011-01-26 |
| CN101956609B true CN101956609B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010523371 Expired - Fee Related CN101956609B (en) | 2010-10-28 | 2010-10-28 | Actuating mechanism for electron speed regulator |
Country Status (1)
| Country | Link |
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| CN (1) | CN101956609B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216345B (en) * | 2013-05-07 | 2015-06-10 | 北京机械设备研究所 | Speed-regulation actuator installation device of parking power-taking power generation system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201412225Y (en) * | 2009-05-05 | 2010-02-24 | 洛阳三至电子科技有限公司 | Actuating mechanism for digital electronic speed regulator |
| CN201818372U (en) * | 2010-10-28 | 2011-05-04 | 河南科技大学 | Actuating mechanism of digital electron speed regulator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5841235A (en) * | 1982-05-28 | 1983-03-10 | Kubota Ltd | Fuel limiting apparatus for electronic governor used in diesel engine |
| JPH0510155A (en) * | 1991-06-28 | 1993-01-19 | Kubota Corp | Actuator operating type stopping device of diesel engine |
| JP4164455B2 (en) * | 2004-03-04 | 2008-10-15 | 株式会社クボタ | Governor start spring support structure |
-
2010
- 2010-10-28 CN CN 201010523371 patent/CN101956609B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201412225Y (en) * | 2009-05-05 | 2010-02-24 | 洛阳三至电子科技有限公司 | Actuating mechanism for digital electronic speed regulator |
| CN201818372U (en) * | 2010-10-28 | 2011-05-04 | 河南科技大学 | Actuating mechanism of digital electron speed regulator |
Non-Patent Citations (3)
| Title |
|---|
| JP昭58-41235A 1983.03.10 |
| JP特开2005-248852A 2005.09.15 |
| JP特开平5-10155A 1993.01.19 |
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| CN101956609A (en) | 2011-01-26 |
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