JPH0439338U

JPH0439338U -

Info

Publication number: JPH0439338U
Application number: JP7983790U
Authority: JP
Priority date: 1990-07-27
Filing date: 1990-07-27
Publication date: 1992-04-03

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例にかかる駆動力伝達
装置の断面図、第２図は第１図の矢印−線方
向の断面図、第３図および第４図はロータの作動
状態を示す第２図に対応する断面図、第５図は差
動回転の時間に対する発生圧力を示すグラフ、第
６図は差動回転に対する伝達トルクを示すグラフ
、第７図は羽根角に対するトルク比を示すグラフ
、第８図は同装置を採用した車両の概略図である
。符号の説明、１０……駆動力伝達装置、１０ａ
……押圧力発生手段、１０ｂ……摩擦クラツチ、
１１……アウタケース、１２……インナシヤフト
、１３……作動ピストン、１４……ロータ、１４
ｂ……ベーン部、１４ｃ……一方側面、１４ｃ…
…他方側面、１５……エンドカバー、１６……ク
ラツチプレート、１７……クラツチデイスク、２
５，２６……プロペラシヤフト、Ｒ１……クラツ
チ収容室、Ｒ２……滞留室（流体室）。 Fig. 1 is a sectional view of a driving force transmission device according to an embodiment of the present invention, Fig. 2 is a sectional view taken in the direction of the arrow in Fig. 1, and Figs. 3 and 4 show the operating state of the rotor. A cross-sectional view corresponding to Fig. 2, Fig. 5 is a graph showing the generated pressure versus time of differential rotation, Fig. 6 is a graph showing the transmitted torque with respect to differential rotation, and Fig. 7 is a graph showing the torque ratio with respect to blade angle. The graph in FIG. 8 is a schematic diagram of a vehicle employing the same device. Explanation of symbols, 10...Driving force transmission device, 10a
...Pushing force generating means, 10b...Friction clutch,
11... Outer case, 12... Inner shaft, 13... Operating piston, 14... Rotor, 14
b...Vane part, 14c...One side, 14c...
...Other side, 15... End cover, 16... Clutch plate, 17... Clutch disc, 2
5, 26...Propeller shaft, R1...Clutch accommodation chamber, R2...Retention chamber (fluid chamber).

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

同軸的かつ相対回転可能に位置する内外両回転
部材間に配設され、これら両回転部材の相対回転
により作動して両回転部材をトルク伝達可能に連
結する摩擦係合力を発生させるとともに付与され
る軸方向の押圧力に応じて前記摩擦係合力を増減
させる摩擦クラツチ、および両回転部材の相対回
転に応じた軸方向の押圧力を発生させて前記摩擦
クラツチに付与する押圧力発生手段を備え、同押
圧力発生手段を、前記両回転部材間に液密的に軸
方向へ摺動可能かつ外側回転部材に一体回転可能
に組付けられて前記摩擦クラツチの一側に対向す
る作動ピストンと、前記外側回転部材と前記作動
ピストン間に形成され軸方向に所定間隔を有して
粘性流体が封入される流体室と、半径方向へ延び
るベーン部を備え前記流体室にて前記内側回転部
材に一体回転可能に組付けられたロータとにより
構成してなる駆動力伝達装置において、前記ロー
タのベーン部を周方向に等間隔に３枚形成すると
ともに、同ベーン部の回転方向の一方側を前記流
体室の外周に対して漸次離間する形状の円弧状の
凸形状にかつ他方側を同ロータの半径方向の中間
部に凹所を有する凹形状に形成したことを特徴と
する駆動力伝達装置。 It is disposed between the inner and outer rotating members that are coaxially and relatively rotatably positioned, and is actuated by the relative rotation of these rotating members to generate and apply a frictional engagement force that connects the two rotating members so that torque can be transmitted. A friction clutch that increases or decreases the frictional engagement force in accordance with the axial pressing force, and a pressing force generating means that generates an axial pressing force in accordance with the relative rotation of both rotating members and applies it to the friction clutch, an actuating piston that faces one side of the friction clutch and is assembled to be able to slide liquid-tightly in the axial direction between the two rotary members and to rotate integrally with the outer rotary member; a fluid chamber formed between the outer rotating member and the actuating piston and having a predetermined interval in the axial direction and containing a viscous fluid, and a vane portion extending in the radial direction; In a driving force transmission device constituted by a rotor that can be assembled together, three vane portions of the rotor are formed at equal intervals in the circumferential direction, and one side of the vane portion in the rotational direction is connected to the fluid chamber. A driving force transmitting device characterized in that the convex portion of the rotor has an arcuate convex shape that is gradually spaced apart from the outer periphery of the rotor, and the other side thereof is formed in a concave shape having a concave portion at a radially intermediate portion of the rotor.