JPH01149820U - - Google Patents
Info
- Publication number
- JPH01149820U JPH01149820U JP4721488U JP4721488U JPH01149820U JP H01149820 U JPH01149820 U JP H01149820U JP 4721488 U JP4721488 U JP 4721488U JP 4721488 U JP4721488 U JP 4721488U JP H01149820 U JPH01149820 U JP H01149820U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- pump
- side wall
- hydraulic pump
- differential hydraulic
- 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.)
- Granted
Links
- 239000010724 circulating oil Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Arrangement And Driving Of Transmission Devices (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Description
第１図は本考案による装置の一実施例を示す断
面図、第２図は第１図に示した可変絞り機構部分
の構成を示す図、第３図は第１図に示した差動油
圧ポンプの断面図、第４図は本考案による装置の
他の実施例を示す断面図、第５図は第４図に示し
たスプールの変形例を示す図である。
符号の説明、１１，４１……第１回転軸、１２
，４２……第２回転軸、２８，５１……ハウジン
グ側壁、２８ａ，５１ａ……吐出路、吐出吸入路
（循環油路の一部）、３２，５２……皿ばね、１
４ｂ……三角形状の開口（可変絞り機構）、５４
……スプール（可変絞り機構）、Ｐ，Ｐ２……差
動油圧ポンプ。
Fig. 1 is a sectional view showing an embodiment of the device according to the present invention, Fig. 2 is a view showing the configuration of the variable throttle mechanism shown in Fig. 1, and Fig. 3 is a diagram showing the differential hydraulic pressure shown in Fig. 1. 4 is a cross-sectional view of the pump, FIG. 4 is a cross-sectional view showing another embodiment of the device according to the present invention, and FIG. 5 is a view showing a modification of the spool shown in FIG. 4. Explanation of symbols, 11, 41...first rotating shaft, 12
, 42...Second rotating shaft, 28, 51...Housing side wall, 28a, 51a...Discharge passage, discharge suction passage (part of circulation oil passage), 32, 52...Disc spring, 1
4b...Triangular opening (variable aperture mechanism), 54
... Spool (variable throttle mechanism), P, P 2 ... Differential hydraulic pump.
Claims (1)
る第２回転軸の相対回転によつてポンプ作動する
差動油圧ポンプを備えて、同差動油圧ポンプから
吐出される油圧に応じて前記第１回転軸と第２回
転軸を動力伝達可能に連結するようにしてなる４
輪駆動装置において、前記差動油圧ポンプのハウ
ジングを構成し同ポンプの循環油路の一部を備え
る側壁を外方へ移動可能とし、また前記側壁を所
定のばね力により内方に向けて付勢し、かつ前記
循環油路中に前記側壁の外方への移動に応じて通
路面積を減少させる可変絞り機構を設けたことを
特徴とする４輪駆動装置。 A differential hydraulic pump is provided that operates the pump by the relative rotation of a first rotating shaft connected to the front wheels and a second rotating shaft connected to the rear wheels, and the pump operates according to the hydraulic pressure discharged from the differential hydraulic pump. The first rotating shaft and the second rotating shaft are connected so as to be capable of transmitting power.4
In the wheel drive device, a side wall that constitutes the housing of the differential hydraulic pump and includes a part of the circulating oil passage of the pump is movable outward, and the side wall is attached inward by a predetermined spring force. A four-wheel drive device, characterized in that a variable throttle mechanism is provided in the circulation oil passage to reduce the passage area in accordance with the outward movement of the side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4721488U JPH0712145Y2 (en) | 1988-04-07 | 1988-04-07 | 4-wheel drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4721488U JPH0712145Y2 (en) | 1988-04-07 | 1988-04-07 | 4-wheel drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01149820U true JPH01149820U (en) | 1989-10-17 |
| JPH0712145Y2 JPH0712145Y2 (en) | 1995-03-22 |
Family
ID=31273437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4721488U Expired - Lifetime JPH0712145Y2 (en) | 1988-04-07 | 1988-04-07 | 4-wheel drive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0712145Y2 (en) |
-
1988
- 1988-04-07 JP JP4721488U patent/JPH0712145Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0712145Y2 (en) | 1995-03-22 |