JP2004293749A - Power transmitting device - Google Patents

Power transmitting device Download PDF

Info

Publication number
JP2004293749A
JP2004293749A JP2003090192A JP2003090192A JP2004293749A JP 2004293749 A JP2004293749 A JP 2004293749A JP 2003090192 A JP2003090192 A JP 2003090192A JP 2003090192 A JP2003090192 A JP 2003090192A JP 2004293749 A JP2004293749 A JP 2004293749A
Authority
JP
Japan
Prior art keywords
input
output
transmission device
unit
power transmission
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
Application number
JP2003090192A
Other languages
Japanese (ja)
Inventor
Manabu Arai
学 新井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marelli Corp
Original Assignee
Calsonic Kansei Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Calsonic Kansei Corp filed Critical Calsonic Kansei Corp
Priority to JP2003090192A priority Critical patent/JP2004293749A/en
Publication of JP2004293749A publication Critical patent/JP2004293749A/en
Pending legal-status Critical Current

Links

Images

Abstract

<P>PROBLEM TO BE SOLVED: To provide a power transmitting device reduced in the manufacturing cost by simplifying the structure to improve the assembling working efficiency. <P>SOLUTION: This power transmitting device is structured of an input part 10 formed into a nearly cylindrical shape and provided with a plurality of belt grooves 11 along the circumferential direction of the peripheral surface thereof, an output part 20 extended on a center axis of the input part 10, and a connection part 30 for connecting the output part 20 to the input part 10. A power cut-off means 33 is integrally formed with the connection part 30, and when a load more than the predetermined value is applied to the connection part 30, the power cut-off means 33 is broken. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
この発明は、外部機関からの動力を機械装置に伝える動力伝達装置に関するものである。
【０００２】
【従来の技術】
従来から動力伝達装置として、特許文献１に開示されるような揺動斜板式圧縮機が知られている。この動力伝達装置は、プーリにダンパカバーを形成して、シャーピンの非破断部に加硫接着により固着されたダンパゴムを圧入嵌合することで、回転軸に機関の駆動により、駆動伝達トルクが伝達され、コンプレッサが駆動した際に、コンプレッサに過負荷が発生するとシャーピンのノッチ部は破断され、駆動伝達トルクの伝達は遮断されるとともに、コンプレッサの駆動中に発生する回転変動による駆動伝達トルクの衝撃はダンパゴムで吸収され、シャーピンの曲げ疲労が軽減されるものである。
【０００３】
【特許文献１】
特開平９−４２４１１号公報
【０００４】
【発明が解決しようとする課題】
ところが、上述の動力伝達装置では、プーリ部分の構造が複雑なために組立作業性が悪く、組立作業工数の増大、および部品点数の増加による製造コスト増大の原因になっていた。
【０００５】
そこで、本発明は、構造を簡素化して、組立作業性を改善しつつ、製造コストを低減することができる動力伝達装置を提供することを目的とする。
【０００６】
【課題を解決するための手段】
請求項１記載の発明にあっては、略円筒形状を備え、且つ外周面の円周方向に沿って複数のベルト溝が設けられた入力部と、この入力部の中心軸上に延設される出力部と、この出力部と入力部を連結する連結部とから構成された動力伝達装置であって、該連結部に動力遮断手段が一体に形成され、所定値以上の負荷が該連結部に掛かった際に該動力遮断手段が破断することを特徴とする。
【０００７】
請求項２記載の発明にあっては、請求項１に記載の動力伝達装置において、前記入力部と前記連結部と前記動力遮断手段と前記出力部とが一体に形成されたことを特徴とする。
【０００８】
請求項３記載の発明にあっては、請求項１に記載の動力伝達装置において、前記入力部と一体に形成された入力側連結部と、前記出力部と一体に形成された出力側連結部とから構成された前記連結部と、該入力側連結部と一体に形成された嵌合部と、該出力側連結部と一体に形成された嵌合受部とから構成された前記動力遮断手段とを備えたことを特徴とする。
【０００９】
【発明の効果】
請求項１記載の発明によれば、連結部に動力遮断手段を一体に形成することによって、部品点数を削減して連結部を簡素化し、組立作業性を改善しつつ、製造コストを低減することができる。
【００１０】
請求項２記載の発明によれば、請求項１の効果に加えて、入力部と連結部と動力遮断手段と出力部とを一体に形成することによって、部品点数を削減して動力伝達装置を簡素化し、より一層組立作業性を改善しつつ、製造コストを低減することができる。
【００１１】
請求項３記載の発明によれば、請求項１の効果に加えて、入力部と一体に形成されつつ、嵌合部を一体に設けた入力側連結部と、出力部と一体に形成されつつ、嵌合受部を一体に設けた出力側連結部とから連結部が構成されていることにより、部品点数を削減して動力伝達装置を簡素化し、組立作業性を改善しつつ、製造コストを低減することができる。
【００１２】
【発明の実施の形態】
本発明の実施形態としての動力伝達装置について、図面を参照して詳細に説明する。図１は本発明の第１実施形態にかかる動力伝達装置の正面図、図２は本実施形態の断面図である。
【００１３】
本実施形態の動力伝達装置１は、車両用空調装置の冷凍サイクルに介装される圧縮機（不図示）にベルト（不図示）を介してエンジン駆動力を伝達する手段として使用することが可能である。図１、図２に示されるように、動力伝達装置１は、入力部１０と、出力部２０と、連結部３０とから構成されており、これら入力部１０、出力部２０、および連結部３０は、一体に形成されている。
【００１４】
入力部１０は、略円筒形状を備えるとともに、この円筒形状部分の外周面の円周方向に沿って複数のベルト溝１１が設けられている。
【００１５】
出力部２０は、入力部１０の中心軸上に延設され、前記圧縮機の駆動軸（不図示）に結合されている。
【００１６】
連結部３０は、大きさの異なる２枚の円盤３１、３２をそれぞれの中心が一致するように重ねた状態で動力遮断手段３３によって一体に形成されている。また、大径円盤３１の外周部分が入力部１０の一端側開口部分１２と一体に形成され、小径円盤３２の中心部分が出力部２０の基端側端部２１と一体に形成されている。
【００１７】
動力遮断手段３３は、所定値以上の負荷が連結部３０に掛かった際に破断するように設計されており、設定される負荷に応じて、断面形状、太さ、および長さなどが設定されるとともに、同一半径上に等間隔で設置されている。なお、本実施形態では、断面略矩形形状で且つ同一形状の動力遮断手段３３が３箇所に設置されているとともに、大径円盤３１の各動力遮断手段３３間に動力遮断手段３３と同一半径の円弧孔３４が設けられている。
【００１８】
これにより、エンジン駆動力が入力部１０のベルト溝１１に掛けられたベルトによって動力伝達装置１に入力され、連結部３０の動力遮断手段３３を通じて出力部２０に伝達され、圧縮機（不図示）の駆動軸に出力される。
【００１９】
したがって、上記構成により、連結部３０に動力遮断手段３３を一体に形成することによって、部品点数を削減して連結部３０を簡素化し、組立作業性を改善しつつ、製造コストを低減することができる。
【００２０】
また、入力部１０と連結部３０と動力遮断手段３３と出力部２０とを一体に形成することによって、部品点数を削減して動力伝達装置１を簡素化し、より一層組立作業性を改善しつつ、製造コストを低減することができる。
【００２１】
なお、動力遮断手段の材質、形状、個数、および設置される場所は、本実施形態に限定されるものではなく、設定される負荷に応じて変更することができる。
【００２２】
図３は本発明の第２実施形態にかかる動力伝達装置の正面図、図４は本実施形態の断面図である。
【００２３】
本実施形態の動力伝達装置１ａは、第１実施形態と同様に、車両用空調装置の冷凍サイクルに介装される圧縮機（不図示）にベルト（不図示）を介してエンジン駆動力を伝達する手段として使用することが可能である。図３、図４に示されるように、動力伝達装置１ａは、入力部１０と、出力部２０と、連結部３０ａとから構成されている。
【００２４】
入力部１０は、略円筒形状を備えるとともに、この円筒形状部分の外周面の円周方向に沿って複数のベルト溝１１が設けられている。
【００２５】
出力部２０は、入力部１０の中心軸上に延設され、前記圧縮機の駆動軸（不図示）に結合されている。
【００２６】
連結部３０ａは、大きさの異なる２枚の円盤３１ａ、３２ａをそれぞれの中心が一致するように重ねた状態で動力遮断手段３３ａによって連結されている。また、入力側連結部としての大径円盤３１ａの外周部分が入力部１０の一端側開口部分１２と一体に形成され、出力側連結部としての小径円盤３２ａの中心部分が出力部２０の基端側端部２１と一体に形成されている。
【００２７】
動力遮断手段３３ａは、大径円盤３１ａと一体に形成された嵌合部と、小径円盤３２ａと一体に形成された嵌合受部とから構成されている。
【００２８】
また、動力遮断手段３３ａは、所定値以上の負荷が連結部３０ａに掛かった際に破断するように設計されており、設定される負荷に応じて、断面形状、太さ、および長さなどが設定されるとともに、同一半径上に等間隔で設置されている。なお、本実施形態では、断面略矩形形状で且つ同一形状の動力遮断手段３３ａが３箇所に設置されている。
【００２９】
これにより、エンジン駆動力が入力部１０のベルト溝１１に掛けられたベルトによって動力伝達装置１ａに入力され、連結部３０ａの動力遮断手段３３ａを通じて出力部２０に伝達され、圧縮機（不図示）の駆動軸に出力される。
【００３０】
したがって、上記構成により、連結部３０ａに動力遮断手段３３ａを一体に形成することによって、部品点数を削減して連結部３０ａを簡素化し、組立作業性を改善しつつ、製造コストを低減することができる。
【００３１】
また、入力部１０と一体に形成されたつつ、嵌合部３５を一体に設けた大径円盤３１ａと、出力部２０と一体に形成されつつ、嵌合受部３６を一体に設けた小径円盤３２ａとから連結部３０ａが構成されていることにより、部品点数を削減して動力伝達装置１ａを簡素化し、より一層組立作業性を改善しつつ、製造コストを低減することができる。
【００３２】
なお、動力遮断手段の材質、形状、個数、および設置される場所は、本実施形態に限定されるものではなく、設定される負荷に応じて変更することができる。
【図面の簡単な説明】
【図１】本発明の第１実施形態にかかる動力伝達装置の正面図である。
【図２】図１のＡ−Ａ線に沿った断面図である。
【図３】本発明の第２実施形態にかかる動力伝達装置の正面図である。
【図４】図３のＡ−Ａ線に沿った断面図である。
【符号の説明】
１…動力伝達装置
１０…入力部
１１…ベルト溝
２０…出力部
３０，３０ａ…連結部
３１ａ…大径円盤（入力側連結部）
３２ａ…小径円盤（出力側連結部）
３３，３３ａ…動力遮断手段
３５…嵌合部
３６…嵌合受部[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a power transmission device for transmitting power from an external engine to a mechanical device.
[0002]
[Prior art]
2. Description of the Related Art An oscillating swash plate compressor as disclosed in Patent Document 1 has been conventionally known as a power transmission device. In this power transmission device, a damper cover is formed on a pulley, and a damper rubber fixed by vulcanization bonding is press-fitted to a non-ruptured portion of a shear pin, so that the drive transmission torque is transmitted by driving the engine to the rotating shaft. When the compressor is driven and the compressor is overloaded, if the compressor is overloaded, the notch portion of the shear pin is broken, the transmission of the drive transmission torque is cut off, and the impact of the drive transmission torque due to the rotation fluctuation generated during the operation of the compressor Is absorbed by the damper rubber, and the bending fatigue of the shear pin is reduced.
[0003]
[Patent Document 1]
JP-A-9-42411
[Problems to be solved by the invention]
However, in the above-mentioned power transmission device, assembling workability is poor due to the complicated structure of the pulley portion, which causes an increase in the number of assembling work steps and an increase in the number of parts, resulting in an increase in manufacturing cost.
[0005]
Therefore, an object of the present invention is to provide a power transmission device capable of reducing the manufacturing cost while simplifying the structure and improving the assembly workability.
[0006]
[Means for Solving the Problems]
According to the first aspect of the present invention, an input portion having a substantially cylindrical shape and provided with a plurality of belt grooves along a circumferential direction of an outer peripheral surface, and an input portion extending on a central axis of the input portion. A power transmission device comprising: an output section connected to the output section; and a connection section connecting the output section and the input section, wherein a power cutoff unit is integrally formed with the connection section, and a load equal to or more than a predetermined value is applied to the connection section. The power shut-off means is broken when the power is applied.
[0007]
According to a second aspect of the present invention, in the power transmission device according to the first aspect, the input unit, the coupling unit, the power cutoff unit, and the output unit are integrally formed. .
[0008]
According to a third aspect of the present invention, in the power transmission device according to the first aspect, an input-side connecting portion formed integrally with the input portion and an output-side connecting portion formed integrally with the output portion. The power cut-off means, comprising: the connecting portion configured from the following; a fitting portion formed integrally with the input-side connecting portion; and a fitting receiving portion formed integrally with the output-side connecting portion. And characterized in that:
[0009]
【The invention's effect】
According to the first aspect of the present invention, by integrally forming the power cutoff means in the connecting portion, it is possible to reduce the number of parts, simplify the connecting portion, improve assembly workability, and reduce manufacturing costs. Can be.
[0010]
According to the second aspect of the present invention, in addition to the effect of the first aspect, the power transmission device is formed by reducing the number of parts by integrally forming the input unit, the connecting unit, the power cutoff unit, and the output unit. The manufacturing cost can be reduced while simplifying and further improving the assembling workability.
[0011]
According to the third aspect of the present invention, in addition to the effect of the first aspect, while being formed integrally with the input portion, the input side connecting portion provided integrally with the fitting portion and the output portion are formed integrally with the input portion. Since the connecting portion is constituted by the output side connecting portion integrally provided with the fitting receiving portion, the number of parts can be reduced, the power transmission device can be simplified, the assembly workability can be improved, and the manufacturing cost can be reduced. Can be reduced.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
A power transmission device as an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a front view of a power transmission device according to a first embodiment of the present invention, and FIG. 2 is a sectional view of the present embodiment.
[0013]
The power transmission device 1 of the present embodiment can be used as a means for transmitting an engine driving force to a compressor (not shown) interposed in a refrigeration cycle of a vehicle air conditioner via a belt (not shown). It is. As shown in FIGS. 1 and 2, the power transmission device 1 includes an input unit 10, an output unit 20, and a connection unit 30, and the input unit 10, the output unit 20, and the connection unit 30. Are formed integrally.
[0014]
The input unit 10 has a substantially cylindrical shape, and is provided with a plurality of belt grooves 11 along the circumferential direction of the outer peripheral surface of the cylindrical portion.
[0015]
The output unit 20 extends on the central axis of the input unit 10 and is connected to a drive shaft (not shown) of the compressor.
[0016]
The connecting portion 30 is integrally formed by the power cut-off means 33 in a state where two disks 31 and 32 having different sizes are overlapped so that their centers coincide with each other. An outer peripheral portion of the large-diameter disk 31 is formed integrally with one end side opening portion 12 of the input section 10, and a central portion of the small-diameter disk 32 is formed integrally with the base end 21 of the output section 20.
[0017]
The power cut-off means 33 is designed to break when a load equal to or more than a predetermined value is applied to the connecting portion 30, and the cross-sectional shape, the thickness, the length, and the like are set according to the set load. In addition, they are installed at equal intervals on the same radius. In the present embodiment, the power cutoff means 33 having substantially the same rectangular cross section and the same shape are installed at three places, and the power cutoff means 33 having the same radius as the power cutoff means 33 is provided between the power cutoff means 33 of the large-diameter disk 31. An arc hole 34 is provided.
[0018]
As a result, the engine driving force is input to the power transmission device 1 by the belt hung on the belt groove 11 of the input unit 10, transmitted to the output unit 20 through the power cutoff unit 33 of the coupling unit 30, and is connected to a compressor (not shown). Is output to the drive shaft.
[0019]
Therefore, by forming the power cutoff means 33 integrally with the connecting portion 30 with the above-described configuration, it is possible to reduce the number of components, simplify the connecting portion 30, improve assembly workability, and reduce manufacturing costs. it can.
[0020]
Further, by integrally forming the input unit 10, the connecting unit 30, the power cutoff unit 33, and the output unit 20, the number of parts is reduced, the power transmission device 1 is simplified, and the assembling workability is further improved. In addition, manufacturing costs can be reduced.
[0021]
Note that the material, shape, number, and location of the power cutoff means are not limited to the present embodiment, and can be changed according to the set load.
[0022]
FIG. 3 is a front view of a power transmission device according to a second embodiment of the present invention, and FIG. 4 is a cross-sectional view of the present embodiment.
[0023]
The power transmission device 1a of the present embodiment transmits the engine driving force to a compressor (not shown) interposed in a refrigeration cycle of a vehicle air conditioner via a belt (not shown), similarly to the first embodiment. It can be used as a means to do so. As shown in FIGS. 3 and 4, the power transmission device 1a includes an input unit 10, an output unit 20, and a connection unit 30a.
[0024]
The input unit 10 has a substantially cylindrical shape, and is provided with a plurality of belt grooves 11 along the circumferential direction of the outer peripheral surface of the cylindrical portion.
[0025]
The output unit 20 extends on the central axis of the input unit 10 and is connected to a drive shaft (not shown) of the compressor.
[0026]
The connecting portion 30a is connected by the power cut-off means 33a in a state where two disks 31a and 32a having different sizes are overlapped so that their respective centers coincide with each other. Further, the outer peripheral portion of the large-diameter disk 31a as the input side connecting portion is formed integrally with the one end side opening portion 12 of the input portion 10, and the central portion of the small diameter disk 32a as the output side connecting portion is the base end of the output portion 20. It is formed integrally with the side end 21.
[0027]
The power shut-off means 33a includes a fitting portion formed integrally with the large-diameter disk 31a and a fitting receiving portion formed integrally with the small-diameter disk 32a.
[0028]
The power cut-off means 33a is designed to break when a load equal to or more than a predetermined value is applied to the connecting portion 30a, and the cross-sectional shape, the thickness, the length, and the like according to the set load. They are set and are installed at equal intervals on the same radius. In the present embodiment, power cutoff means 33a having a substantially rectangular cross section and the same shape are provided at three places.
[0029]
As a result, the engine driving force is input to the power transmission device 1a by the belt hung on the belt groove 11 of the input unit 10 and transmitted to the output unit 20 through the power cutoff unit 33a of the connecting unit 30a, and a compressor (not shown) Is output to the drive shaft.
[0030]
Therefore, by integrally forming the power cut-off means 33a in the connecting portion 30a with the above configuration, the number of components can be reduced, the connecting portion 30a can be simplified, the assembly workability can be improved, and the manufacturing cost can be reduced. it can.
[0031]
Also, a large-diameter disk 31a integrally formed with the input unit 10 and integrally provided with the fitting unit 35, and a small-diameter disk integrally formed with the output unit 20 and integrally provided with the fitting receiving unit 36. By forming the connecting portion 30a from the connecting portion 32a, the number of parts can be reduced, the power transmission device 1a can be simplified, and the assembling workability can be further improved, and the manufacturing cost can be reduced.
[0032]
Note that the material, shape, number, and location of the power cutoff means are not limited to the present embodiment, and can be changed according to the set load.
[Brief description of the drawings]
FIG. 1 is a front view of a power transmission device according to a first embodiment of the present invention.
FIG. 2 is a sectional view taken along line AA of FIG.
FIG. 3 is a front view of a power transmission device according to a second embodiment of the present invention.
FIG. 4 is a sectional view taken along the line AA of FIG. 3;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Power transmission device 10 ... Input part 11 ... Belt groove 20 ... Output parts 30, 30a ... Connection part 31a ... Large diameter disk (input side connection part)
32a ... Small diameter disk (output side connection part)
33, 33a power cutoff means 35 fitting part 36 fitting receiving part

Claims (3)

略円筒形状を備え、且つ外周面の円周方向に沿って複数のベルト溝（１１）が設けられた入力部（１０）と、この入力部（１０）の中心軸上に延設される出力部（２０）と、この出力部（２０）と入力部（１０）を連結する連結部（３０、３０ａ）とから構成された動力伝達装置であって、
該連結部（３０、３０ａ）に動力遮断手段（３３、３３ａ）が一体に形成され、所定値以上の負荷が該連結部（３０、３０ａ）に掛かった際に該動力遮断手段（３３、３３ａ）が破断することを特徴とする動力伝達装置。An input unit (10) having a substantially cylindrical shape and provided with a plurality of belt grooves (11) along the circumferential direction of the outer peripheral surface, and an output extending on the central axis of the input unit (10). A power transmission device comprising: a unit (20); and connection units (30, 30a) connecting the output unit (20) and the input unit (10),
The power cutoff means (33, 33a) is formed integrally with the connection part (30, 30a), and when a load equal to or more than a predetermined value is applied to the connection part (30, 30a), the power cutoff means (33, 33a) is formed. ) Is broken. 請求項１に記載の動力伝達装置において、
前記入力部（１０）と前記連結部（３０）と前記動力遮断手段（３３）と前記出力部（２０）とが一体に形成されたことを特徴とする動力伝達装置。The power transmission device according to claim 1,
The power transmission device, wherein the input portion (10), the connection portion (30), the power cutoff means (33), and the output portion (20) are integrally formed. 請求項１に記載の動力伝達装置において、
前記入力部（１０）と一体に形成された入力側連結部（３１ａ）と、前記出力部（２０）と一体に形成された出力側連結部（３２ａ）とから構成された前記連結部（３０ａ）と、
該入力側連結部（３１ａ）と一体に形成された嵌合部（３５）と、該出力側連結部（３２ａ）と一体に形成された嵌合受部（３６）とから構成された前記動力遮断手段（３３ａ）とを備えたことを特徴とする動力伝達装置。The power transmission device according to claim 1,
The connecting portion (30a) including an input-side connecting portion (31a) formed integrally with the input portion (10) and an output-side connecting portion (32a) formed integrally with the output portion (20). )When,
The power unit comprising a fitting part (35) formed integrally with the input side connecting part (31a) and a fitting receiving part (36) formed integrally with the output side connecting part (32a). A power transmission device comprising a shutoff means (33a).
JP2003090192A 2003-03-28 2003-03-28 Power transmitting device Pending JP2004293749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003090192A JP2004293749A (en) 2003-03-28 2003-03-28 Power transmitting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003090192A JP2004293749A (en) 2003-03-28 2003-03-28 Power transmitting device

Publications (1)

Publication Number Publication Date
JP2004293749A true JP2004293749A (en) 2004-10-21

Family

ID=33403876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003090192A Pending JP2004293749A (en) 2003-03-28 2003-03-28 Power transmitting device

Country Status (1)

Country Link
JP (1) JP2004293749A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100613970B1 (en) 2005-03-29 2006-08-21 주식회사 피이케이 Coilless clutch assembly in airconditioner compressor for automobile
JP2010032202A (en) * 2008-07-04 2010-02-12 Hoshizaki Electric Co Ltd Auger-type ice making machine
CN107795655A (en) * 2017-11-23 2018-03-13 徐工集团工程机械有限公司 Rotor overload protection device, actuating unit and cold regenerative machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100613970B1 (en) 2005-03-29 2006-08-21 주식회사 피이케이 Coilless clutch assembly in airconditioner compressor for automobile
JP2010032202A (en) * 2008-07-04 2010-02-12 Hoshizaki Electric Co Ltd Auger-type ice making machine
CN107795655A (en) * 2017-11-23 2018-03-13 徐工集团工程机械有限公司 Rotor overload protection device, actuating unit and cold regenerative machine
CN107795655B (en) * 2017-11-23 2023-12-08 江苏徐工工程机械研究院有限公司 Rotor overload protection device, power transmission device and cold regenerator

Similar Documents

Publication Publication Date Title
EP0239401A1 (en) Electromagnetic clutch
US6802779B2 (en) Pulley type torque transmitting apparatus
JP6040844B2 (en) Power transmission device
US20060219514A1 (en) Electromagnetic clutch
JP3691743B2 (en) Power transmission device
JP2004293749A (en) Power transmitting device
US20070093326A1 (en) Power transmission device
JP2005273917A (en) Power transmission
JP4134470B2 (en) Power transmission device
JP3906744B2 (en) Power transmission device
US20060257270A1 (en) Clutchless compressor
JP2013245573A (en) Gas compressor and electromagnetic clutch used for the same
JP2005331082A (en) Motive power transmission device
JP2003254402A (en) Power transmission device having torque limiter
JP2002276777A (en) Power transmitting device
JP2554076B2 (en) Electromagnetic clutch
JP2003049865A (en) Torque limiter
JPH0624587Y2 (en) Electromagnetic clutch device
JP2001295857A (en) Power transmission device for clutch-less compressor
JP2001221259A (en) Coupling
KR200233977Y1 (en) Fan boss for air conditioner
JP4476197B2 (en) Power transmission device
JP4979077B2 (en) Power transmission device
JP3948356B2 (en) Power transmission device
JP4617584B2 (en) Power transmission device