JPS6322235U - - Google Patents

Description

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

第１図は本考案による四輪駆動車用駆動力伝達
装置の一実施例の主要部を表す機構概念図、第２
図はその開閉弁の詳細原理図、第３図は本実施例
の全体の概略を表す駆動概念図である。 又、図中の符号で１１はエンジン、２０は前輪
、２２は前輪用回転軸、２３は駆動力伝達装置、
２４は後輪用回転軸、２７は後輪、２８はロータ
、２９は油室、３０はケーシング、３２はベーン
、３３，３４はポート、３５は第一油路、３６は
第二油路、３７，３８は逆止め弁、４３，４４は
副通路、４５はオリフイス、４６は開閉弁、４７
はスプリング、４８はソレノイド、４９はコント
ローラ、５０，５１，５２，５３はセンサである
。 Fig. 1 is a mechanical conceptual diagram showing the main parts of an embodiment of the driving force transmission device for a four-wheel drive vehicle according to the present invention;
The figure is a detailed principle diagram of the opening/closing valve, and FIG. 3 is a conceptual drive diagram showing the overall outline of this embodiment. Also, in the figure, 11 is an engine, 20 is a front wheel, 22 is a rotating shaft for the front wheels, 23 is a driving force transmission device,
24 is a rotating shaft for the rear wheel, 27 is a rear wheel, 28 is a rotor, 29 is an oil chamber, 30 is a casing, 32 is a vane, 33, 34 are ports, 35 is a first oil path, 36 is a second oil path, 37, 38 are check valves, 43, 44 are auxiliary passages, 45 is an orifice, 46 is an on-off valve, 47
is a spring, 48 is a solenoid, 49 is a controller, and 50, 51, 52, and 53 are sensors.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 前輪に接続する回転軸及び後輪に接続する回転
軸のうち何れか一方の回転軸に連結されるケーシ
ングと、このケーシング内に回転自在に収納され
て当該ケーシングとの間に油室を形成すると共に
他方の前記回転軸に連結されるロータと、前記ケ
ーシングを介して前記油室内にそれぞれ連通し且
つ二つの前記回転軸の回転速度差に対応した油量
の圧油がそれぞれ流れる少なくとも一対の油通路
と、これら油通路に連通する副通路と、前記副通
路に設けられて車両の操舵角が所定値以下且つア
クセル開度が所定値以下且つ前輪と後輪との回転
差が所定値以上の場合にこの幅通路を開いて前記
二つの回転軸の相対回転を許容する開閉弁とを具
えた四輪駆動車用駆動力伝達装置。 An oil chamber is formed between a casing connected to one of the rotating shafts connected to the front wheel and the rotating shaft connected to the rear wheels, and the casing rotatably housed within the casing. and a rotor connected to the other rotating shaft, and at least a pair of oils each communicating with the oil chamber through the casing and through which pressure oil flows in an amount corresponding to the rotational speed difference between the two rotating shafts. a passageway, a sub-passage communicating with these oil passages, and a passage provided in the sub-passage so that the steering angle of the vehicle is below a predetermined value, the accelerator opening is below a predetermined value, and the rotation difference between the front wheels and the rear wheels is above a predetermined value. A driving force transmission device for a four-wheel drive vehicle, comprising an on-off valve that opens this width passage to allow relative rotation of the two rotating shafts.