JPS62183136U

JPS62183136U -

Info

Publication number: JPS62183136U
Application number: JP7059686U
Authority: JP
Priority date: 1986-05-13
Filing date: 1986-05-13
Publication date: 1987-11-20

Description

[Brief explanation of the drawing]

第１図は本考案のトルク伝達装置の全体を示す
断面図、第２図ａはそのピストンの正面図、同図
ｂはその断面図、第３図および第４図はその作動
説明図、第５図は通常のトルク伝達装置の摩擦材
のμ―ｖ特性図、第６図は本考案のトルク伝達装
置のＮ→Ｄレンジ時における液室内圧力の特性図
、第７図は理想的なタービン回転とドライブシヤ
フトのトルクを示す特性図、第８図〜第１０図は
他の実施例を示す部分断面図である。１……クラツチドラム、２……ピストン、３…
…液室、４……第１摩擦部材、５……第２摩擦部
材、６……戻しばね、７……ピストン本体、８…
…凹欠部、９……弁体、１０……戻しばね、１１
……押え板、１２……貫通孔、１３，１４，１５
，１６，１７……連通路、１８……回転部材。 Fig. 1 is a sectional view showing the entire torque transmission device of the present invention, Fig. 2a is a front view of its piston, Fig. 2b is a sectional view thereof, Figs. Figure 5 is a μ-v characteristic diagram of the friction material of a normal torque transmission device, Figure 6 is a characteristic diagram of the liquid chamber pressure in the N→D range of the torque transmission device of the present invention, and Figure 7 is an ideal turbine. Characteristic diagrams showing rotation and torque of the drive shaft, and FIGS. 8 to 10 are partial sectional views showing other embodiments. 1...clutch drum, 2...piston, 3...
...Liquid chamber, 4...First friction member, 5...Second friction member, 6...Return spring, 7...Piston body, 8...
...Concave notch, 9...Valve body, 10...Return spring, 11
... Pressing plate, 12 ... Through hole, 13, 14, 15
, 16, 17... Communication path, 18... Rotating member.

Claims

[Claims for Utility Model Registration] 1. A clutch drum, a piston that is slidably housed in the clutch drum and defines a fluid chamber between the clutch drum and the clutch drum, and a plurality of pistons that are spline-coupled to the clutch drum. and a second friction member that is spline-coupled to a rotating member disposed coaxially within the clutch drum and arranged alternately with the first friction member, and supplies pressurized fluid to the liquid chamber. In the torque transmission device for transmitting torque between the clutch drum and the rotating member, the piston is provided with a valve that can open or shut off the pressure in the liquid chamber, and the clutch is operated within a predetermined range when the pressure in the liquid chamber is near zero. During rotation, the valve is closed, and as the rotation decreases or the pressure in the liquid chamber increases, the valve is temporarily opened, and as the pressure increases further or the rotation decreases, the valve opens again. A torque transmission device characterized by closing a valve. 2. A valve body movable in the radial direction of the piston or clutch drum and having a through hole in the axial direction of the piston or clutch drum, communicating with the liquid chamber and moving the valve body in the radial inward direction by the pressure in the liquid chamber. 2. The torque transmission device according to claim 1, wherein the valve is constituted by a communication path for moving the valve and a communication path for releasing the pressure inside the liquid chamber through a through hole of the valve body.