JPH1061754A - Air-cooled gear transmission - Google Patents
Air-cooled gear transmissionInfo
- Publication number
- JPH1061754A JPH1061754A JP21379596A JP21379596A JPH1061754A JP H1061754 A JPH1061754 A JP H1061754A JP 21379596 A JP21379596 A JP 21379596A JP 21379596 A JP21379596 A JP 21379596A JP H1061754 A JPH1061754 A JP H1061754A
- Authority
- JP
- Japan
- Prior art keywords
- lubricating oil
- oil passage
- case
- fan
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0416—Air cooling or ventilation
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、産業機械駆動用と
して使用される空冷歯車変速機に係り、特に、空冷用フ
ァンの小型化、低騒音化に有効な冷却構造を持つ空冷歯
車変速機に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air-cooled gear transmission used for driving industrial machines, and more particularly to an air-cooled gear transmission having a cooling structure effective for reducing the size and noise of an air-cooling fan. Things.
【０００２】[0002]
【従来の技術】産業機械駆動用として使用される歯車変
速機として、例えば、特開平８−１０５５２１号公報に
開示された空冷歯車変速機が提案されている。2. Description of the Related Art As a gear transmission used for driving industrial machines, for example, an air-cooled gear transmission disclosed in Japanese Patent Application Laid-Open No. 8-105521 has been proposed.
【０００３】この空冷歯車変速機においては、変速用の
歯車を固定した少なくとも入力軸と出力軸を回転可能に
支持したケースと、前記ケースの外側に、熱交換器を有
する潤滑油通路を設け、この潤滑油通路と対向するよう
に、少なくとも前記ケースに回転可能に支持された軸の
何れか１軸の一端に遠心式もしくは斜流式の冷却ファン
を設けるとともに、この冷却ファンの外側に、その内周
の１個所もしくは複数個所にスパイラル状の通路を形成
するスパイラルケースを有するファンケーシングを設
け、かつ、このファンケーシングに前記潤滑油通路に設
けられた熱交換器と対向する１もしくは複数の吐出口を
形成している。[0003] In this air-cooled gear transmission, a case in which at least an input shaft and an output shaft to which a gear for shifting is fixed is rotatably supported, and a lubricating oil passage having a heat exchanger is provided outside the case. A centrifugal or diagonal cooling fan is provided at one end of at least one of the shafts rotatably supported by the case so as to face the lubricating oil passage, and the cooling fan is provided outside the cooling fan. A fan casing having a spiral case forming a spiral passage at one or more locations on the inner periphery is provided, and one or more discharge ports facing the heat exchanger provided on the lubricating oil passage are provided in the fan casing. Forming an exit.
【０００４】このような構成とすることにより、ファン
から吐出された全ての風を、潤滑油通路に設けられた熱
交換器に集中して当てることができ、潤滑油の冷却効率
を向上させることができる。[0004] With this configuration, all the wind discharged from the fan can be concentrated on the heat exchanger provided in the lubricating oil passage, and the lubricating oil cooling efficiency can be improved. Can be.
【０００５】[0005]
【発明が解決しようとする課題】しかし、スパイラルケ
ースのノーズ部が、スパイラルケースからほぼ直角に曲
げられた平面であるため、ファンから吐出された風が衝
突して、大きな衝撃音が発生し、騒音が大きくなる。However, since the nose portion of the spiral case is a plane bent at a substantially right angle from the spiral case, the wind discharged from the fan collides, generating a loud impact sound. Noise increases.
【０００６】上記の事情に鑑み、本発明の第１の目的
は、騒音の小さな空冷歯車変速機を提供することにあ
る。[0006] In view of the above circumstances, a first object of the present invention is to provide an air-cooled gear transmission with low noise.
【０００７】また、本発明の第２の目的は、騒音の発生
を小さくするとともに、さらに熱交換効率を向上させる
ようにした空冷歯車変速機を提供することにある。It is a second object of the present invention to provide an air-cooled gear transmission that reduces noise generation and further improves heat exchange efficiency.
【０００８】[0008]
【課題を解決するための手段】上記の目的を達成するた
め、本発明においては、ノーズ部に、前記冷却ファンか
ら吐出される風向きとほぼ同方向の傾きを持つ突起が形
成されたスパイラルケースを設け、ファンから吐出され
る風の衝突を避け、その流れの方向を滑らかに変えるよ
うにした。In order to achieve the above object, the present invention provides a spiral case in which a nose portion is formed with a projection having an inclination substantially in the same direction as the direction of the wind discharged from the cooling fan. In order to avoid the collision of the wind discharged from the fan, the direction of the flow is smoothly changed.
【０００９】また、全体が、前記潤滑油通路に設けられ
たフィンと対向するように延設され、その延設部に吐出
口が形成されたファンケーシングと、ノーズ部に、前記
冷却ファンから吐出される風向きとほぼ同方向の傾きを
持つ突起が形成されたスパイラルケースを設け、ファン
から吐出される風の衝突を避けるとともに、風速を低下
させることにより、騒音の発生をさらに小さくするよう
にした。[0009] Further, the cooling fan is provided with a fan casing having a discharge port formed at the extended portion thereof and extending from the cooling fan so as to face the fin provided in the lubricating oil passage. By providing a spiral case with a projection with an inclination almost the same as the direction of the wind to be generated, collision of the wind discharged from the fan is avoided, and the generation of noise is further reduced by reducing the wind speed. .
【００１０】[0010]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。図１ないし図４は、本発明の第１
の実施の形態を示すもので、図１は、空冷歯車変速機に
おけるファン部の縦断面図。図２は、空冷歯車変速機に
おけるファン部の横断面図、図３は、空冷歯車変速機の
側面図、図４は、潤滑油通路の一部を構成する直交流形
の熱交換器の斜視図である。Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show the first embodiment of the present invention.
FIG. 1 is a longitudinal sectional view of a fan unit in an air-cooled gear transmission. 2 is a cross-sectional view of a fan unit of the air-cooled gear transmission, FIG. 3 is a side view of the air-cooled gear transmission, and FIG. 4 is a perspective view of a cross-flow heat exchanger that forms a part of a lubricating oil passage. FIG.
【００１１】同図において、変速機本体９は、特に限定
するものではないが、少なくとも変速用歯車と、この変
速用歯車を固定した入力軸と出力軸（及び中間軸）と、
これらを収納するケースとからなるものである。また、
変速機本体９内には、例えば、変速用歯車として傘歯車
対が設けられており、水平方向に配置された入力軸１の
回転を垂直方向に配置された出力軸１０に伝達する。In FIG. 1, the transmission main body 9 includes, but is not limited to, at least a transmission gear, an input shaft and an output shaft (and an intermediate shaft) to which the transmission gear is fixed, and
And a case for storing them. Also,
In the transmission body 9, for example, a bevel gear pair is provided as a transmission gear, and transmits the rotation of the input shaft 1 arranged in the horizontal direction to the output shaft 10 arranged in the vertical direction.
【００１２】この変速機本体９には、図４に示すような
直交流形の熱交換器を一部とする潤滑油通路８が設けら
れている。この熱交換器は、矢印Ｄおよび矢印Ｅ方向に
それぞれ異なる流体を流し、流体間の熱交換を行うもの
である。The transmission main body 9 is provided with a lubricating oil passage 8 partially including a cross-flow type heat exchanger as shown in FIG. The heat exchanger flows different fluids in the directions of arrows D and E, and performs heat exchange between the fluids.
【００１３】前記変速機本体９には、前記潤滑油通路８
の熱交換器と対向する吐出口７が形成されたファンケー
シング４が、入力軸１の外周を囲うように固定されてい
る。入力軸１には、ラジアルファン２が取り付けられて
いる。前記ファンケーシング４の内側には、前記ラジア
ルファン２の間に位置するように、ノーズ部に、前記冷
却ファンから吐出される風向きとほぼ同方向の傾きを持
つ突起５が形成されたスパイラルケース６が固定されて
いる。また、前記ファンケーシング４の一端には、吸込
口３が設けられている。The transmission body 9 is provided with the lubricating oil passage 8.
A fan casing 4 having a discharge port 7 facing the heat exchanger is fixed so as to surround the outer periphery of the input shaft 1. A radial fan 2 is attached to the input shaft 1. A spiral case 6 in which a projection 5 having an inclination substantially in the same direction as the direction of the wind discharged from the cooling fan is formed in the nose portion so as to be located between the radial fans 2 inside the fan casing 4. Has been fixed. At one end of the fan casing 4, a suction port 3 is provided.
【００１４】このような構成で、入力軸１が回転する
と、入力軸１に固定されたラジアルファン２も矢印Ａ方
向に回転する。同時に、矢印Ｂ方向から矢印Ｃ方向に向
けて潤滑油を循環させる。ラジアルファン２が回転する
と、矢印で示すように、吸込口３から吸い込まれた空気
がラジアルファン２で昇圧され、ファンケーシング４内
に放出される。With such a configuration, when the input shaft 1 rotates, the radial fan 2 fixed to the input shaft 1 also rotates in the direction of arrow A. At the same time, the lubricating oil is circulated from the arrow B direction to the arrow C direction. When the radial fan 2 rotates, the air sucked from the suction port 3 is boosted in pressure by the radial fan 2 and discharged into the fan casing 4 as shown by the arrow.
【００１５】この時、スパイラルケース６のノーズ部に
ラジアルファン２から吐出される風の方向とほぼ同じ角
度を持つ突起５が形成されているので、ラジアルファン
２から吐出された風は、スパイラルケース６のノーズ部
に沿ってその流れ方向を滑らかに変えられるため、ラジ
アルファン２から吐出された風がスパイラルケース６に
衝突することによって発生する騒音を低下させることが
できる。At this time, since the projection 5 having the same angle as the direction of the wind discharged from the radial fan 2 is formed at the nose of the spiral case 6, the wind discharged from the radial fan 2 is Since the flow direction can be smoothly changed along the nose portion of the nose 6, noise generated when the wind discharged from the radial fan 2 collides with the spiral case 6 can be reduced.
【００１６】ファンケーシング４内に放出された風は、
ファンケーシング４の吐出口７から潤滑油通路８の熱交
換器を通り、大気中に放出されるが、さらに、前記変速
機本体９の側面に沿って流れる。The wind released into the fan casing 4 is
The air is discharged from the discharge port 7 of the fan casing 4 through the heat exchanger of the lubricating oil passage 8 to the atmosphere, and further flows along the side surface of the transmission main body 9.
【００１７】この時、熱交換器において、潤滑油との間
で熱交換が行われ、さらに、変速機本体９の側面に気流
を形成することにより、変速機本体９の放熱を助け、直
接冷却することができる。At this time, in the heat exchanger, heat exchange is performed with the lubricating oil, and further, an airflow is formed on the side surface of the transmission main body 9 to assist the heat radiation of the transmission main body 9 and directly cool. can do.
【００１８】図５は、本発明の第２の実施の形態を示す
もので、空冷歯車変速機におけるファン部の縦断面図で
ある。この空冷歯車変速機は、図１に示す空冷歯車変速
機におけるラジアルファン２を、ターボファン１１に置
き換えたものである。その他の構成は、図１の構成と同
じである。このような構成としても、上記と同様の効果
を得ることができる。FIG. 5 shows a second embodiment of the present invention and is a longitudinal sectional view of a fan section in an air-cooled gear transmission. This air-cooled gear transmission is obtained by replacing the radial fan 2 in the air-cooled gear transmission shown in FIG. Other configurations are the same as those in FIG. Even with such a configuration, the same effect as described above can be obtained.
【００１９】図６は、本発明の第３の実施の形態を示す
もので、空冷歯車変速機におけるファン部の縦断面図で
ある。同図において、図１、図５と同じものは同じ符号
を付けて示してある。ファンケーシング１２は、その吐
出口７が潤滑油通路８の熱交換器と対向するように、図
６で左右に延設されている。FIG. 6 shows a third embodiment of the present invention and is a longitudinal sectional view of a fan section in an air-cooled gear transmission. In the figure, the same components as those in FIGS. 1 and 5 are denoted by the same reference numerals. The fan casing 12 extends left and right in FIG. 6 such that the discharge port 7 faces the heat exchanger of the lubricating oil passage 8.
【００２０】このような構成とすることにより、ファン
ケーシング１２内にターボファン１１から放出された風
を貯溜する空間が増加するため、風の流れがさらに滑ら
かになり、騒音を小さくすることができる。With such a configuration, the space for storing the air discharged from the turbo fan 11 in the fan casing 12 increases, so that the flow of the air becomes smoother and the noise can be reduced. .
【００２１】[0021]
【発明の効果】以上述べたごとく、本発明によれば、変
速用の歯車を固定した少なくとも入力軸と出力軸を回転
可能に支持したケースと、前記ケースの外側に、熱交換
器を有する潤滑油通路を設け、この潤滑油通路と対向す
るように、少なくとも前記ケースに回転可能に支持され
た軸の何れか１軸の一端に遠心式もしくは斜流式の冷却
ファンを設けるとともに、この冷却ファンの外側に、そ
の内周の１個所もしくは複数個所にスパイラル状の通路
を形成するスパイラルケースを有するファンケーシング
を設け、かつ、このファンケーシングに前記潤滑油通路
に取り付けられた熱交換器と対向する１もしくは複数の
吐出口を形成した空冷歯車変速機において、ノーズ部
に、前記冷却ファンから吐出される風向きとほぼ同方向
の傾きを持つ突起が形成されたスパイラルケースを設け
たので、ファンから吐出された風がスパイラルケースに
衝突することによって発生する騒音を低下させることが
できる。As described above, according to the present invention, there is provided a case in which at least an input shaft and an output shaft to which a gear for shifting is fixed are rotatably supported, and a lubrication system having a heat exchanger outside the case. An oil passage is provided, and a centrifugal or diagonal cooling fan is provided at one end of at least one of the shafts rotatably supported by the case so as to face the lubricating oil passage. A fan casing having a spiral case forming a spiral passage at one or a plurality of places on the inner periphery thereof, and facing a heat exchanger attached to the lubricating oil passage in the fan casing. In an air-cooled gear transmission having one or a plurality of discharge ports, a protrusion having an inclination substantially in the same direction as the direction of the wind discharged from the cooling fan is provided at a nose portion. Is provided with the spiral casing has been made, the wind discharged from the fan can be reduced the noise generated by colliding with the spiral casing.
【００２２】変速用の歯車を固定した少なくとも入力軸
と出力軸を回転可能に支持したケースと、前記ケースの
外側に、熱交換器を有する潤滑油通路を設け、この潤滑
油通路と対向するように、少なくとも前記ケースに回転
可能に支持された軸の何れか１軸の一端に遠心式もしく
は斜流式の冷却ファンを設けるとともに、この冷却ファ
ンの外側に、その内周の１個所もしくは複数個所にスパ
イラル状の通路を形成するスパイラルケースを有するフ
ァンケーシングを設け、かつ、このファンケーシングに
前記潤滑油通路に取り付けられた熱交換器と対向する１
もしくは複数の吐出口を形成した空冷歯車変速機におい
て、全体が、前記潤滑油通路に設けられたフィンと対向
するように延設され、その延設部に吐出口が形成された
ファンケーシングと、ノーズ部に、前記冷却ファンから
吐出される風向きとほぼ同方向の傾きを持つ突起が形成
されたスパイラルケースを設けたので、風の流れがさら
に滑らかになり、騒音をさらに小さくすることができ
る。A case in which at least an input shaft and an output shaft to which a gear for shifting is fixed is rotatably supported, and a lubricating oil passage having a heat exchanger is provided outside the case so as to face the lubricating oil passage. A centrifugal or diagonal cooling fan is provided at one end of at least one of the shafts rotatably supported by the case, and at one or more locations on the inner periphery of the cooling fan outside the cooling fan. And a fan casing having a spiral case forming a spiral passage, and the fan casing faces a heat exchanger attached to the lubricating oil passage.
Or, in an air-cooled gear transmission having a plurality of discharge ports, a fan casing in which the entirety is extended so as to face a fin provided in the lubricating oil passage, and a discharge port is formed in the extended portion, Since the nose portion is provided with the spiral case in which the protrusion having the inclination substantially the same as the direction of the wind discharged from the cooling fan is formed, the flow of the wind becomes smoother and the noise can be further reduced.
【図１】空冷歯車変速機におけるファン部の縦断面図FIG. 1 is a longitudinal sectional view of a fan unit in an air-cooled gear transmission.
【図２】空冷歯車変速機におけるファン部の横断面図FIG. 2 is a cross-sectional view of a fan unit in the air-cooled gear transmission.
【図３】空冷歯車変速機の側面図FIG. 3 is a side view of the air-cooled gear transmission.
【図４】潤滑油通路の一部を構成する直交流形の熱交換
器の斜視図FIG. 4 is a perspective view of a cross-flow heat exchanger that forms part of a lubricating oil passage;
【図５】空冷歯車変速機におけるファン部の縦断面図FIG. 5 is a longitudinal sectional view of a fan unit in the air-cooled gear transmission.
【図６】空冷歯車変速機におけるファン部の縦断面図FIG. 6 is a longitudinal sectional view of a fan unit in the air-cooled gear transmission.
１……入力軸、 ２……ラジアルファン、 ４…
…ファンケーシング、５……突起、 ６……ス
パイラルケース、 ７……吐出口、８……潤滑油通路、
９……減速機本体、 １０……出力軸、１１…
…ターボファン、 １２……ファンケーシング。1 ... input shaft, 2 ... radial fan, 4 ...
... Fan casing, 5 ... Projection, 6 ... Spiral case, 7 ... Discharge port, 8 ... Lubricant oil passage,
9: Reducer body, 10: Output shaft, 11 ...
... turbo fan, 12 ... fan casing.
Claims (2)
と出力軸を回転可能に支持したケースと、前記ケースの
外側に、熱交換器を有する潤滑油通路を設け、この潤滑
油通路と対向するように、少なくとも前記ケースに回転
可能に支持された軸の何れか１軸の一端に遠心式もしく
は斜流式の冷却ファンを設けるとともに、この冷却ファ
ンの外側に、その内周の１個所もしくは複数個所にスパ
イラル状の通路を形成するスパイラルケースを有するフ
ァンケーシングを設け、かつ、このファンケーシングに
前記潤滑油通路に取り付けられた熱交換器と対向する１
もしくは複数の吐出口を形成した空冷歯車変速機におい
て、ノーズ部に、前記冷却ファンから吐出される風向き
とほぼ同方向の傾きを持つ突起が形成されたスパイラル
ケースを設けたことを特徴とする空冷歯車変速機。1. A case in which at least an input shaft and an output shaft to which a gear for shifting is fixed is rotatably supported, and a lubricating oil passage having a heat exchanger is provided outside the case, and the lubricating oil passage is opposed to the lubricating oil passage. At least one of the shafts rotatably supported by the case is provided with a centrifugal type or mixed flow type cooling fan at least at one end of the shaft. A fan casing having a spiral case forming a spiral passage at a plurality of locations is provided, and the fan casing faces a heat exchanger attached to the lubricating oil passage.
Alternatively, in the air-cooled gear transmission having a plurality of discharge ports, an air-cooled gear transmission is provided, wherein a nose portion is provided with a spiral case having a protrusion having an inclination substantially in the same direction as the direction of the wind discharged from the cooling fan. Gear transmission.
と出力軸を回転可能に支持したケースと、前記ケースの
外側に、熱交換器を有する潤滑油通路を設け、この潤滑
油通路と対向するように、少なくとも前記ケースに回転
可能に支持された軸の何れか１軸の一端に遠心式もしく
は斜流式の冷却ファンを設けるとともに、この冷却ファ
ンの外側に、その内周の１個所もしくは複数個所にスパ
イラル状の通路を形成するスパイラルケースを有するフ
ァンケーシングを設け、かつ、このファンケーシングに
前記潤滑油通路に取り付けられた熱交換器と対向する１
もしくは複数の吐出口を形成した空冷歯車変速機におい
て、全体が、前記潤滑油通路に設けられたフィンと対向
するように延設され、その延設部に吐出口が形成された
ファンケーシングと、ノーズ部に、前記冷却ファンから
吐出される風向きとほぼ同方向の傾きを持つ突起が形成
されたスパイラルケースを設けたことを特徴とする空冷
歯車変速機。2. A case in which at least an input shaft and an output shaft to which a gear for shifting is fixed is rotatably supported, and a lubricating oil passage having a heat exchanger is provided outside the case, and is opposed to the lubricating oil passage. At least one of the shafts rotatably supported by the case is provided with a centrifugal type or mixed flow type cooling fan at least at one end of the shaft. A fan casing having a spiral case forming a spiral passage at a plurality of locations is provided, and the fan casing faces a heat exchanger attached to the lubricating oil passage.
Or, in an air-cooled gear transmission having a plurality of discharge ports, a fan casing in which the entirety is extended so as to face a fin provided in the lubricating oil passage, and a discharge port is formed in the extended portion, An air-cooled gear transmission, wherein a nose portion is provided with a spiral case formed with a projection having an inclination substantially the same as the direction of the wind discharged from the cooling fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21379596A JPH1061754A (en) | 1996-08-13 | 1996-08-13 | Air-cooled gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21379596A JPH1061754A (en) | 1996-08-13 | 1996-08-13 | Air-cooled gear transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1061754A true JPH1061754A (en) | 1998-03-06 |
Family
ID=16645183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21379596A Pending JPH1061754A (en) | 1996-08-13 | 1996-08-13 | Air-cooled gear transmission |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1061754A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606720A (en) * | 2012-03-28 | 2012-07-25 | 鞍山钦元节能设备制造有限公司 | Method for forcedly dissipating heat of high-power permanent magnetic transmission |
| DE102012025596A1 (en) | 2012-07-06 | 2014-01-09 | Sew-Eurodrive Gmbh & Co Kg | Gearbox i.e. bevel gearbox, has entry region provided at axial position such that entry region surface extends only in radial and circumferential directions and exit region surface extends in radial, circumferential and axial directions |
| DE102012025597A1 (en) | 2012-07-06 | 2014-01-09 | Sew-Eurodrive Gmbh & Co Kg | Gear e.g. bevel gear, has fan shroud formed as nozzle in air outlet region, where nozzle is produced by adjusting rear edge of fan shroud or designed as adjusted rear edge of shroud, and adjustment has angle ranging between specific values |
| DE102012013351A1 (en) * | 2012-07-06 | 2014-05-08 | Sew-Eurodrive Gmbh & Co Kg | Gear with a shaft |
| DE102013005430A1 (en) | 2013-03-28 | 2014-10-02 | Sew-Eurodrive Gmbh & Co Kg | Gear with a shaft |
| CN104110482A (en) * | 2014-06-15 | 2014-10-22 | 吴小杰 | Star wheel reduction gearbox of air-cooled plastic extrusion machine |
| CN107725720A (en) * | 2017-10-24 | 2018-02-23 | 浙江好来喜儿童用品有限公司 | A kind of gearbox differential mechanism |
| EP3299670A1 (en) * | 2016-09-27 | 2018-03-28 | Flender GmbH | Gear and use of a ring cooler |
| CN111981105A (en) * | 2020-08-20 | 2020-11-24 | 周风爱 | Heat dissipation type mechanical transmission gear |
| CN112728056A (en) * | 2021-02-23 | 2021-04-30 | 陈荣海 | Turbine worm speed reducer |
| DE102021002637A1 (en) | 2020-06-15 | 2021-12-16 | Sew-Eurodrive Gmbh & Co Kg | Transmission with a cooling arrangement and a fan |
| CN115596830A (en) * | 2022-11-25 | 2023-01-13 | 泉州博易盛科技有限公司（Cn） | Speed reducer with noise reduction function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02130300A (en) * | 1988-11-09 | 1990-05-18 | Honda Motor Co Ltd | Fan cover of centrifugal fan |
| JPH0798054A (en) * | 1993-09-29 | 1995-04-11 | Hino Motors Ltd | Cooling device for transmission oil |
| JPH08105521A (en) * | 1994-10-04 | 1996-04-23 | Hitachi Ltd | Air-cooled gear transmission |
-
1996
- 1996-08-13 JP JP21379596A patent/JPH1061754A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02130300A (en) * | 1988-11-09 | 1990-05-18 | Honda Motor Co Ltd | Fan cover of centrifugal fan |
| JPH0798054A (en) * | 1993-09-29 | 1995-04-11 | Hino Motors Ltd | Cooling device for transmission oil |
| JPH08105521A (en) * | 1994-10-04 | 1996-04-23 | Hitachi Ltd | Air-cooled gear transmission |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606720B (en) * | 2012-03-28 | 2014-08-20 | 鞍山钦元节能设备制造有限公司 | Method for forcedly dissipating heat of high-power permanent magnetic transmission |
| CN102606720A (en) * | 2012-03-28 | 2012-07-25 | 鞍山钦元节能设备制造有限公司 | Method for forcedly dissipating heat of high-power permanent magnetic transmission |
| AU2013286318B2 (en) * | 2012-07-06 | 2016-12-08 | Sew-Eurodrive Gmbh & Co. Kg | Gearbox having a shaft and fan fitted thereon in a fan cover |
| DE102012025596A1 (en) | 2012-07-06 | 2014-01-09 | Sew-Eurodrive Gmbh & Co Kg | Gearbox i.e. bevel gearbox, has entry region provided at axial position such that entry region surface extends only in radial and circumferential directions and exit region surface extends in radial, circumferential and axial directions |
| DE102012025597A1 (en) | 2012-07-06 | 2014-01-09 | Sew-Eurodrive Gmbh & Co Kg | Gear e.g. bevel gear, has fan shroud formed as nozzle in air outlet region, where nozzle is produced by adjusting rear edge of fan shroud or designed as adjusted rear edge of shroud, and adjustment has angle ranging between specific values |
| DE102012013351A1 (en) * | 2012-07-06 | 2014-05-08 | Sew-Eurodrive Gmbh & Co Kg | Gear with a shaft |
| US11619294B2 (en) | 2012-07-06 | 2023-04-04 | Sew-Eurodrive Gmbh & Co. Kg | Gear unit having a shaft |
| CN104350308B (en) * | 2012-07-06 | 2017-03-15 | 索尤若驱动有限及两合公司 | There is axle and be placed in decelerator on axle, blower fan in fan shroud |
| CN104350308A (en) * | 2012-07-06 | 2015-02-11 | 索尤若驱动有限及两合公司 | Gearbox having shaft and fan fitted thereon in fan cover |
| US20150192197A1 (en) * | 2012-07-06 | 2015-07-09 | Sew-Eurodrive Gmbh & Co. Kg | Gear Unit Having a Shaft |
| WO2014154316A1 (en) | 2013-03-28 | 2014-10-02 | Sew-Eurodrive Gmbh & Co. Kg | Gearbox with a shaft |
| DE102013005430A1 (en) | 2013-03-28 | 2014-10-02 | Sew-Eurodrive Gmbh & Co Kg | Gear with a shaft |
| AU2014243451B2 (en) * | 2013-03-28 | 2017-10-05 | Sew-Eurodrive Gmbh & Co. Kg | Gearbox with a shaft |
| US10718353B2 (en) | 2013-03-28 | 2020-07-21 | Sew-Eurodrive Gmbh & Co.Kg | Gearbox with a shaft |
| CN104903592A (en) * | 2013-03-28 | 2015-09-09 | 索尤若驱动有限及两合公司 | Gearbox with a shaft |
| CN104110482A (en) * | 2014-06-15 | 2014-10-22 | 吴小杰 | Star wheel reduction gearbox of air-cooled plastic extrusion machine |
| EP3299670A1 (en) * | 2016-09-27 | 2018-03-28 | Flender GmbH | Gear and use of a ring cooler |
| WO2018059980A1 (en) * | 2016-09-27 | 2018-04-05 | Flender Gmbh | Transmission and use of a ring cooler |
| US11649891B2 (en) | 2016-09-27 | 2023-05-16 | Flender Gmbh | Transmission and use of a ring cooler |
| CN107725720A (en) * | 2017-10-24 | 2018-02-23 | 浙江好来喜儿童用品有限公司 | A kind of gearbox differential mechanism |
| CN107725720B (en) * | 2017-10-24 | 2020-03-03 | 浙江好来喜儿童用品有限公司 | Differential mechanism of gearbox |
| DE102021002637A1 (en) | 2020-06-15 | 2021-12-16 | Sew-Eurodrive Gmbh & Co Kg | Transmission with a cooling arrangement and a fan |
| WO2021254657A1 (en) | 2020-06-15 | 2021-12-23 | Sew-Eurodrive Gmbh & Co. Kg | Transmission comprising a cooling arrangement and a fan |
| CN111981105A (en) * | 2020-08-20 | 2020-11-24 | 周风爱 | Heat dissipation type mechanical transmission gear |
| CN112728056A (en) * | 2021-02-23 | 2021-04-30 | 陈荣海 | Turbine worm speed reducer |
| CN115596830B (en) * | 2022-11-25 | 2023-02-28 | 泉州博易盛科技有限公司 | Speed reducer with noise reduction function |
| CN115596830A (en) * | 2022-11-25 | 2023-01-13 | 泉州博易盛科技有限公司（Cn） | Speed reducer with noise reduction function |
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