JP2021011183A - Control device for motorcycle - Google Patents

Control device for motorcycle Download PDF

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JP2021011183A
JP2021011183A JP2019126259A JP2019126259A JP2021011183A JP 2021011183 A JP2021011183 A JP 2021011183A JP 2019126259 A JP2019126259 A JP 2019126259A JP 2019126259 A JP2019126259 A JP 2019126259A JP 2021011183 A JP2021011183 A JP 2021011183A
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circuit board
motorcycle
drive
connector
control device
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JP7287154B2 (en
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秀明 徳長
Hideaki Tokunaga
秀明 徳長
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Nippon Seiki Co Ltd
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Nippon Seiki Co Ltd
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Abstract

To achieve proper arrangement of a driving driver for generating a driving signal for driving a turn indicator light for a motorcycle.SOLUTION: A control device for a motorcycle includes a circuit board, a driving driver for generating a driving signal for driving a turn indicator light for a motorcycle, a surface mounting type connector which is rectangular as a view from a direction vertical to the circuit board, and mounted on the circuit board, and wiring formed on the circuit board, for connecting electrically the driving driver to a terminal on the corner of the rectangle from among a plurality of terminals of the surface mounting type connector.SELECTED DRAWING: Figure 3

Description

本開示は、自動二輪車用制御装置に関する。 The present disclosure relates to a control device for a motorcycle.

表面実装型のコネクタの隣に発熱部品を実装する技術が知られている。 A technique for mounting a heat-generating component next to a surface-mounted connector is known.

特開２０１８−０１０８８４号公報Japanese Unexamined Patent Publication No. 2018-010884

ところで、自動二輪車用の方向指示灯を駆動する駆動信号を生成する駆動ドライバを、回路基板上に実装する場合、当該駆動ドライバの発熱やノイズの悪影響（例えば、該回路基板上の他の電子部品に対する悪影響）を低減できるような適切な配置が望まれる。 By the way, when a drive driver that generates a drive signal for driving a direction indicator light for a motorcycle is mounted on a circuit board, the heat generation and noise of the drive driver are adversely affected (for example, other electronic components on the circuit board). Appropriate placement is desired so that adverse effects on the above can be reduced.

そこで、本開示は、自動二輪車用の方向指示灯を駆動する駆動信号を生成する駆動ドライバの適切な配置を実現することを目的とする。 Therefore, it is an object of the present disclosure to realize an appropriate arrangement of a drive driver that generates a drive signal for driving a turn signal for a motorcycle.

１つの側面では、回路基板と、
前記回路基板上に実装され、自動二輪車用の方向指示灯を駆動する駆動信号を生成する駆動ドライバと、
前記回路基板上に実装され、前記回路基板に垂直な方向に視て矩形の表面実装型コネクタと、
前記回路基板上に形成され、前記駆動ドライバと、前記表面実装型コネクタの複数の端子のうちの、前記矩形の角部の端子とを電気的に接続する配線とを含む、自動二輪車用制御装置が提供される。 On one side, the circuit board and
A drive driver mounted on the circuit board and generating a drive signal for driving a turn signal for a motorcycle,
A surface mount type connector mounted on the circuit board and rectangular when viewed in a direction perpendicular to the circuit board.
A control device for a motorcycle, which is formed on the circuit board and includes a wiring for electrically connecting the drive driver and the terminal at the corner of the rectangle among the plurality of terminals of the surface mount type connector. Is provided.

本開示によれば、自動二輪車用の方向指示灯を駆動する駆動信号を生成する駆動ドライバの適切な配置を実現することが可能となる。 According to the present disclosure, it is possible to realize an appropriate arrangement of a drive driver that generates a drive signal for driving a turn signal for a motorcycle.

一実施例による表示装置の取付状態を概略的に示す図である。It is a figure which shows schematic the mounting state of the display device by one Example. 本実施例による自動二輪車用制御系を概略的に示すシステム図である。It is a system diagram which shows schematic the control system for motorcycles by this Example. 自動二輪車用制御装置の回路基板上の実装状態を模式的に示す平面図である。It is a top view which shows typically the mounting state on the circuit board of the control device for motorcycles. コネクタの複数端子に関する割り当て先の説明図である。It is explanatory drawing of the allocation destination about a plurality of terminals of a connector.

以下、添付図面を参照しながら各実施例について詳細に説明する。 Hereinafter, each embodiment will be described in detail with reference to the accompanying drawings.

図１は、一実施例による表示装置１の取付状態を概略的に示す図である。 FIG. 1 is a diagram schematically showing an attached state of the display device 1 according to one embodiment.

表示装置１は、自動二輪車に搭載される。表示装置１は、車速やエンジン回転数のような各種車両情報を表示する。表示装置１は、ユーザ（運転者）の見やすい位置に搭載される。図１では、表示装置１は、自動二輪車両ＡのハンドルＢの間に配設され、計器として機能する。 The display device 1 is mounted on a motorcycle. The display device 1 displays various vehicle information such as vehicle speed and engine speed. The display device 1 is mounted at a position that is easy for the user (driver) to see. In FIG. 1, the display device 1 is arranged between the handles B of the motorcycle A and functions as an instrument.

図２は、本実施例による自動二輪車用制御系２を概略的に示すシステム図である。 FIG. 2 is a system diagram schematically showing the control system 2 for a motorcycle according to the present embodiment.

自動二輪車用制御系２は、自動二輪車用制御装置２０を含む。自動二輪車用制御装置２０には、上述した表示装置１と、自動二輪車用の方向指示灯４が電気的に接続される。 The motorcycle control system 2 includes a motorcycle control device 20. The above-mentioned display device 1 and the direction indicator light 4 for the motorcycle are electrically connected to the motorcycle control device 20.

方向指示灯４は、自動二輪車の適切な箇所に設けられる。本実施例では、方向指示灯４は、左右対で前後に２対設けられる。４つの方向指示灯４のそれぞれは、ＬＥＤ（Ｌｉｇｈｔ Ｅｍｉｔｔｉｎｇ Ｄｉｏｄｅ）を光源とする。 The turn signal 4 is provided at an appropriate position on the motorcycle. In this embodiment, two pairs of left and right direction indicator lights 4 are provided in the front-rear direction. Each of the four direction indicator lights 4 uses an LED (Light Emitting Diode) as a light source.

自動二輪車用制御装置２０は、例えばマイクロコンピュータ等により構成される。自動二輪車用制御装置２０は、表示装置１や方向指示灯４等を制御する。 The motorcycle control device 20 is composed of, for example, a microcomputer or the like. The motorcycle control device 20 controls the display device 1, the direction indicator light 4, and the like.

本実施例では、特に、自動二輪車用制御装置２０は、方向指示灯４の点灯を制御する。方向指示灯４は、上述のようにＬＥＤを光源とするので、所定周期（例えば１．５ＨＺ程度）のパルス信号により点灯制御される。 In this embodiment, in particular, the motorcycle control device 20 controls the lighting of the direction indicator light 4. Since the direction indicator lamp 4 uses an LED as a light source as described above, the lighting is controlled by a pulse signal having a predetermined cycle (for example, about 1.5 Hz).

図３は、自動二輪車用制御装置２０の回路基板３０上の特定の電子部品の実装状態を模式的に示す平面図である。図４は、コネクタ５０の複数端子に関する割り当て先の説明図である。以下で、上面視とは、図３のビューを指し、回路基板３０に対して垂直方向に視たビューである。なお、図４では、見易さのために、複数の端子５４には、一部のみしか参照符号が付されていない。 FIG. 3 is a plan view schematically showing a mounting state of a specific electronic component on the circuit board 30 of the motorcycle control device 20. FIG. 4 is an explanatory diagram of an allocation destination for a plurality of terminals of the connector 50. In the following, the top view refers to the view of FIG. 3, which is a view viewed in the direction perpendicular to the circuit board 30. In FIG. 4, for the sake of readability, only a part of the plurality of terminals 54 has reference numerals.

回路基板３０は、例えば表示装置１のケース内に搭載される。 The circuit board 30 is mounted in the case of the display device 1, for example.

回路基板３０には、自動二輪車用制御装置２０に係る各種電子部品とともに、バッテリ（図示せず）からの電力に基づいて低電圧を生成する定電圧回路等が実装される。 A constant voltage circuit or the like that generates a low voltage based on electric power from a battery (not shown) is mounted on the circuit board 30 together with various electronic components related to the motorcycle control device 20.

本実施例では、回路基板３０には、図３に模式的に示すように、駆動ドライバ４０と、コネクタ５０とが実装される。なお、図３は、回路基板３０の一部だけを模式的に示す（すなわち回路基板３０に実装される電子部品の一部のみを示す）。従って、回路基板３０には、図３に示す駆動ドライバ４０等以外の他の電子部品も実装される。回路基板３０は、自動二輪車に設けられる唯一の回路基板であってよい。この場合、回路基板３０には、比較的多くの電子部品が実装されることになるので、以下で説明する本実施例による構成が好適である。 In this embodiment, the drive driver 40 and the connector 50 are mounted on the circuit board 30 as schematically shown in FIG. Note that FIG. 3 schematically shows only a part of the circuit board 30 (that is, only a part of the electronic components mounted on the circuit board 30). Therefore, other electronic components other than the drive driver 40 and the like shown in FIG. 3 are also mounted on the circuit board 30. The circuit board 30 may be the only circuit board provided on the motorcycle. In this case, since a relatively large number of electronic components will be mounted on the circuit board 30, the configuration according to the present embodiment described below is preferable.

駆動ドライバ４０は、４つの方向指示灯４の駆動用であり、１つの方向指示灯４に対して１つ設けられる。なお、変形例では、駆動ドライバ４０は、１つの方向指示灯４に対して２つ以上設けられてもよい。各駆動ドライバ４０は、自動二輪車用制御装置２０のマイクロコンピュータ（図示せず）からの指令に応じて、対応する方向指示灯４の光源であるＬＥＤをパルス駆動する。これにより、方向指示灯４が所定の態様で点灯（点滅）される。 The drive driver 40 is for driving the four turn signal lights 4, and one drive driver 40 is provided for each turn signal light 4. In the modified example, two or more drive drivers 40 may be provided for one direction indicator light 4. Each drive driver 40 pulse-drives the LED, which is the light source of the corresponding direction indicator light 4, in response to a command from a microcomputer (not shown) of the motorcycle control device 20. As a result, the direction indicator lamp 4 is turned on (blinking) in a predetermined mode.

コネクタ５０は、表面実装型であり、回路基板３０の一方側表面（図３で可視の表面）に設けられる。コネクタ５０は、半田のリフロー工程等により回路基板３０に接合される。 The connector 50 is a surface mount type and is provided on one side surface (the surface visible in FIG. 3) of the circuit board 30. The connector 50 is joined to the circuit board 30 by a solder reflow process or the like.

コネクタ５０は、図３及び図４に模式的に示すように、上面視で、矩形の形態を有する。コネクタ５０は、図４に模式的に示すように、矩形の長手方向の両端部に固定用端子５２を有し、長手方向に沿って複数の端子５４を有する。複数の端子５４は、図４に模式的に示すように、上面視で、長手方向に沿って２列をなして延在する。すなわち、コネクタ５０は、短手方向の両側に、長手方向に沿って所定間隔毎に設けられる端子５４を有する。 The connector 50 has a rectangular shape in a top view, as schematically shown in FIGS. 3 and 4. As schematically shown in FIG. 4, the connector 50 has fixing terminals 52 at both ends in the longitudinal direction of the rectangle, and has a plurality of terminals 54 along the longitudinal direction. As schematically shown in FIG. 4, the plurality of terminals 54 extend in two rows along the longitudinal direction in a top view. That is, the connector 50 has terminals 54 provided at predetermined intervals along the longitudinal direction on both sides in the lateral direction.

ところで、駆動ドライバ４０は、上述のように、方向指示灯４の光源であるＬＥＤをパルス駆動するため、ノイズの発生源となりうる。また、駆動ドライバ４０は、例えば、マイクロコンピュータの５Ｖよりも高い８Ｖの電源電圧に基づいて動作して比較的高い電力を消費するので、比較的発熱量が高くなる傾向がある。 By the way, as described above, the drive driver 40 pulse-drives the LED that is the light source of the direction indicator lamp 4, and therefore can be a source of noise. Further, since the drive driver 40 operates based on, for example, a power supply voltage of 8V, which is higher than 5V of the microcomputer, and consumes a relatively high power, the amount of heat generated tends to be relatively high.

従って、回路基板３０上では、駆動ドライバ４０の発熱やノイズの悪影響を低減できるような適切な配置が望まれる。 Therefore, an appropriate arrangement is desired on the circuit board 30 so as to reduce the adverse effects of heat generation and noise of the drive driver 40.

この点、本実施例では、駆動ドライバ４０は、図３に示すように、回路基板３０におけるコネクタ５０と同じ側の表面に実装され、かつ、コネクタ５０の矩形の角部５９の近傍に設けられる。なお、「角部５９の近傍」とは、回路基板３０上の他の電子部品よりも角部５９に近い態様である。これにより、駆動ドライバ４０の熱がコネクタ５０の固定用端子５２に伝達されやすくなる。この結果、駆動ドライバ４０の熱を固定用端子５２を介して放熱できる構成を実現でき、駆動ドライバ４０の放熱性を効率的に高めることができる。以下、このようにして、駆動ドライバ４０がコネクタ５０の矩形の角部５９の近傍に配置される構成を、「コネクタ角部近傍の駆動ドライバ４０の配置」とも称する。 In this regard, in this embodiment, as shown in FIG. 3, the drive driver 40 is mounted on the surface of the circuit board 30 on the same side as the connector 50, and is provided in the vicinity of the rectangular corner portion 59 of the connector 50. .. The term "near the corner portion 59" is a mode closer to the corner portion 59 than other electronic components on the circuit board 30. As a result, the heat of the drive driver 40 is easily transferred to the fixing terminal 52 of the connector 50. As a result, it is possible to realize a configuration in which the heat of the drive driver 40 can be dissipated via the fixing terminal 52, and the heat dissipation of the drive driver 40 can be efficiently improved. Hereinafter, the configuration in which the drive driver 40 is arranged in the vicinity of the rectangular corner portion 59 of the connector 50 in this manner is also referred to as “arrangement of the drive driver 40 in the vicinity of the connector corner portion”.

また、本実施例では、図４にて矢印Ｒ１で概念的に示すように、コネクタ５０の複数の端子５４のうちの、コネクタ５０の矩形の角部５９に位置する端子５４（すなわちコネクタ５０の矩形の長手方向で最も端の端子５４）に、各駆動ドライバ４０が電気的に接続される。なお、端子５４と駆動ドライバ４０との間の電気的な接続は、配線（プリント配線）７０（図３に模式的に図示）により実現されてよい。以下、このようにして、駆動ドライバ４０がコネクタ５０の矩形の角部５９の端子５４に電気的に接続される構成を、「コネクタ角部端子への駆動ドライバ４０の割り当て」とも称する。 Further, in this embodiment, as conceptually indicated by an arrow R1 in FIG. 4, of the plurality of terminals 54 of the connector 50, the terminal 54 (that is, the connector 50) located at the rectangular corner 59 of the connector 50. Each drive driver 40 is electrically connected to the terminal 54) at the end in the longitudinal direction of the rectangle. The electrical connection between the terminal 54 and the drive driver 40 may be realized by wiring (printed wiring) 70 (schematically illustrated in FIG. 3). Hereinafter, the configuration in which the drive driver 40 is electrically connected to the terminal 54 of the rectangular corner portion 59 of the connector 50 in this way is also referred to as "assignment of the drive driver 40 to the connector corner portion terminal".

図３及び図４に示す例では、４つの駆動ドライバ４０のそれぞれは、コネクタ５０の矩形の４隅の端子５４のうちの、対応する１つに電気的に接続される。すなわち、コネクタ５０の矩形の４隅の端子５４はすべて駆動ドライバ４０用に割り当てられる。これにより、回路基板３０上におけるコネクタ５０の矩形の角部５９と駆動ドライバ４０との距離を効率的に短くすることができ、その結果、上述した固定用端子５２を介した放熱性を効率的に高めることができる。 In the examples shown in FIGS. 3 and 4, each of the four drive drivers 40 is electrically connected to the corresponding one of the rectangular terminals 54 at the four corners of the connector 50. That is, all the terminals 54 at the four corners of the rectangle of the connector 50 are assigned for the drive driver 40. As a result, the distance between the rectangular corner portion 59 of the connector 50 and the drive driver 40 on the circuit board 30 can be efficiently shortened, and as a result, heat dissipation via the fixing terminal 52 described above can be efficiently reduced. Can be enhanced to.

また、本実施例では、４つの駆動ドライバ４０と、対応する端子５４とを接続する４つの配線７０のそれぞれは、回路基板３０に形成される他の配線と交差しない。これにより、４つの駆動ドライバ４０の配線７０から輻射されるノイズに起因した悪影響（回路基板３０上の他の電子部品の動作への悪影響）を低減できる。なお、このような他の配線と交差しない態様の配線７０の形成は、上述したコネクタ角部近傍の駆動ドライバ４０の配置と、上述したコネクタ角部端子への駆動ドライバ４０の割り当てとにより容易化される。すなわち、上述したコネクタ角部近傍の駆動ドライバ４０の配置と、上述したコネクタ角部端子への駆動ドライバ４０の割り当てとにより、４つの駆動ドライバ４０と、対応する端子５４とを接続する４つの配線７０のそれぞれの配線長を比較的短くできるので、当該４つの配線７０によって生じうる、他の配線の配索に対する制約を、最小限に抑えることができる。この結果、４つの駆動ドライバ４０に係る配線７０と他の配線（例えば回路基板３０の内層の配線）とが交差するような配索を容易に回避でき、４つの駆動ドライバ４０の配線から輻射されるノイズの悪影響（回路基板３０上の他の電子部品の動作への悪影響）を低減できる。 Further, in this embodiment, each of the four wirings 70 connecting the four drive drivers 40 and the corresponding terminals 54 does not intersect with other wirings formed on the circuit board 30. As a result, it is possible to reduce an adverse effect (adverse effect on the operation of other electronic components on the circuit board 30) caused by noise radiated from the wiring 70 of the four drive drivers 40. The formation of the wiring 70 in such a manner that it does not intersect with other wiring is facilitated by arranging the drive driver 40 near the corner of the connector described above and allocating the drive driver 40 to the corner terminal of the connector described above. Will be done. That is, by arranging the drive driver 40 near the corner of the connector described above and assigning the drive driver 40 to the corner terminal of the connector described above, the four wirings connecting the four drive drivers 40 and the corresponding terminals 54 are connected. Since the wiring length of each of the 70s can be made relatively short, the restrictions on the wiring of other wirings that may occur due to the four wirings 70 can be minimized. As a result, it is possible to easily avoid wiring such that the wiring 70 related to the four drive drivers 40 and other wiring (for example, the wiring in the inner layer of the circuit board 30) intersect, and radiation is emitted from the wiring of the four drive drivers 40. The adverse effect of noise (adverse effect on the operation of other electronic components on the circuit board 30) can be reduced.

以上、各実施例について詳述したが、特定の実施例に限定されるものではなく、特許請求の範囲に記載された範囲内において、種々の変形及び変更が可能である。また、前述した実施例の構成要素を全部又は複数を組み合わせることも可能である。 Although each embodiment has been described in detail above, the present invention is not limited to a specific embodiment, and various modifications and changes can be made within the scope of the claims. It is also possible to combine all or a plurality of the components of the above-described embodiment.

例えば、上述した実施例では、４つの駆動ドライバ４０は、すべて、コネクタ５０の矩形の４隅の端子５４のうちの、いずれか１つに電気的に接続されるが、これに限られない。例えば、４つの駆動ドライバ４０のうちの一部だけが、コネクタ５０の矩形の４隅の端子５４のうちの、いずれか１つに電気的に接続されてもよい。この場合、他の駆動ドライバ４０は、角部の端子５４よりも１つだけ内側の端子５４に電気的に接続されてもよい。この場合、角部の端子５４は、グランドラインや電源ラインの接続に利用されてもよい。 For example, in the above embodiment, all four drive drivers 40 are electrically connected to, but are not limited to, one of the rectangular terminals 54 at the four corners of the connector 50. For example, only a portion of the four drive drivers 40 may be electrically connected to any one of the rectangular four corner terminals 54 of the connector 50. In this case, the other drive driver 40 may be electrically connected to the terminal 54 inside only one corner terminal 54. In this case, the terminal 54 at the corner may be used for connecting the ground line or the power supply line.

また、上述した実施例では、４つの駆動ドライバ４０は、すべて、コネクタ５０の矩形の４隅の端子５４の近傍に配置されているが、これに限られない。例えば、４つの駆動ドライバ４０のうちの一部だけが、コネクタ５０の矩形の４隅の端子５４の近傍に配置されてもよい。 Further, in the above-described embodiment, all four drive drivers 40 are arranged in the vicinity of the terminals 54 at the four corners of the rectangle of the connector 50, but the present invention is not limited to this. For example, only a part of the four drive drivers 40 may be arranged in the vicinity of the terminals 54 at the four rectangular corners of the connector 50.

１ 表示装置
２ 自動二輪車用制御系
４ 方向指示灯
２０ 自動二輪車用制御装置
３０ 回路基板
４０ 駆動ドライバ
５０ コネクタ
５２ 固定用端子
５４ 端子
５９ 角部
７０ 配線
Ａ 自動二輪車両
Ｂ ハンドル 1 Display device 2 Control system for motorcycles 4 Direction indicator light 20 Control device for motorcycles 30 Circuit board 40 Drive driver 50 Connector 52 Fixing terminal 54 Terminal 59 Corner 70 Wiring A Motorcycle B Handle

Claims (5)

回路基板（３０）と、
前記回路基板上に実装され、自動二輪車用の方向指示灯を駆動する駆動信号を生成する駆動ドライバ（４０）と、
前記回路基板上に実装され、前記回路基板に垂直な方向に視て矩形の表面実装型コネクタ（５０）と、
前記回路基板上に形成され、前記駆動ドライバと、前記表面実装型コネクタの複数の端子（５４）のうちの、前記矩形の角部の端子とを電気的に接続する配線（７０）とを含む、自動二輪車用制御装置。 Circuit board (30) and
A drive driver (40) mounted on the circuit board and generating a drive signal for driving a turn signal for a motorcycle, and a drive driver (40).
A surface mount type connector (50) mounted on the circuit board and rectangular when viewed in a direction perpendicular to the circuit board.
A wiring (70) formed on the circuit board and electrically connecting the drive driver and the terminal at the corner of the rectangle among the plurality of terminals (54) of the surface mount type connector is included. , Control device for motorcycles. 前記駆動ドライバは、４つの自動二輪車用の方向指示灯のそれぞれに対して１つ以上設けられ、
前記表面実装型コネクタの複数の端子のうちの、前記矩形の角部の４つの端子はすべて、複数の前記駆動ドライバに電気的に接続される、請求項１に記載の自動二輪車用制御装置。 One or more of the drive drivers are provided for each of the four motorcycle turn signal lights.
The control device for a motorcycle according to claim 1, wherein all four terminals at the corners of the rectangle among the plurality of terminals of the surface mount type connector are electrically connected to the plurality of drive drivers. 複数の前記駆動ドライバのうちの、少なくとも４つの前記駆動ドライバは、前記表面実装型コネクタに対して、前記矩形の角部の近傍に設けられる、請求項１又は２に記載の自動二輪車用制御装置。 The motorcycle control device according to claim 1 or 2, wherein at least four of the drive drivers are provided in the vicinity of the corners of the rectangle with respect to the surface mount connector. .. 前記配線は、前記回路基板に形成される他の配線と交差しない、請求項１から３のうちのいずれか１項に記載の自動二輪車用制御装置。 The control device for a motorcycle according to any one of claims 1 to 3, wherein the wiring does not intersect with other wiring formed on the circuit board. 前記駆動ドライバは、前記方向指示灯の光源であるＬＥＤをパルス駆動する、請求項１から４のうちのいずれか１項に記載の自動二輪車用制御装置。 The control device for a motorcycle according to any one of claims 1 to 4, wherein the drive driver pulse-drives an LED that is a light source of the direction indicator light.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10243591A (en) * 1997-02-27 1998-09-11 Yamaha Motor Co Ltd Motor
US20030206097A1 (en) * 2002-05-02 2003-11-06 Manuel Aceves Moving vehicle comfort, security and safety signaling system
JP2013148753A (en) * 2012-01-20 2013-08-01 Nippon Seiki Co Ltd Circuit board of vehicle display device
JPWO2017195742A1 (en) * 2016-05-10 2019-04-04 日本精機株式会社 Meter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017195742A (en) 2016-04-22 2017-10-26 芳信 林 Method for collecting/utilizing waste heat in power generation process using woody biomass over multiple stages

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10243591A (en) * 1997-02-27 1998-09-11 Yamaha Motor Co Ltd Motor
US20030206097A1 (en) * 2002-05-02 2003-11-06 Manuel Aceves Moving vehicle comfort, security and safety signaling system
JP2013148753A (en) * 2012-01-20 2013-08-01 Nippon Seiki Co Ltd Circuit board of vehicle display device
JPWO2017195742A1 (en) * 2016-05-10 2019-04-04 日本精機株式会社 Meter

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