JPH084884A - Transmission having hydraulic continuously variable transmission device for work vehicle - Google Patents
Transmission having hydraulic continuously variable transmission device for work vehicleInfo
- Publication number
- JPH084884A JPH084884A JP14272594A JP14272594A JPH084884A JP H084884 A JPH084884 A JP H084884A JP 14272594 A JP14272594 A JP 14272594A JP 14272594 A JP14272594 A JP 14272594A JP H084884 A JPH084884 A JP H084884A
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- hydraulic
- continuously variable
- variable transmission
- port block
- 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
Landscapes
- Motor Power Transmission Devices (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、乗用芝刈機やトラクタ
などの作業車に関し、詳しくは、油圧無段変速装置付き
トランスミッションに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work vehicle such as a riding lawn mower or a tractor, and more particularly to a transmission with a hydraulic continuously variable transmission.
【０００２】[0002]
【従来の技術】従来、作業車の油圧無段変速装置付きト
ランスミッションは、図７（本出願人の特許出願、平成
５‐２５３８９１号）に示すように、ポンプ０９Ｂやモ
ータ０９Ａ並びにポンプ０９Ｂとモータ０９Ａとを接続
するパイプなどの油圧系全体を一つのケースに組み込ん
で一つの単体として機能する静油圧式無段変速装置０９
をミッションケース０１０の前面に取付けて、そして、
その静油圧式無段変速装置０９下部のミッションケース
０１０の前面に、車輪への駆動軸０１７を設けてある。2. Description of the Related Art Conventionally, as shown in FIG. 7 (patent application of the applicant of the present application, Japanese Patent Application No. 1993-253891), a transmission with a hydraulic continuously variable transmission for a work vehicle has a pump 09B, a motor 09A, a pump 09B and a motor. 09A, a hydrostatic stepless transmission that incorporates the entire hydraulic system such as a pipe into one case and functions as one unit
Attached to the front of the mission case 010, and
A drive shaft 017 for the wheels is provided on the front surface of the transmission case 010 below the hydrostatic continuously variable transmission 09.
【０００３】[0003]
【発明が解決しようとする課題】一つの単体として機能
する静油圧式無段変速装置をミッションケースの前面に
取付ける構造のものであるから、つまり、静油圧式無段
変速装置とミッションケースとが分離された構造のもの
であるから、ミッションケースの前面に静油圧式無段変
速装置用の開口と車輪への駆動軸突出用の開口を別々に
設けなければならず、ミッションケースの鋳型成形が複
雑になるとともに、車輪への駆動軸突出用の開口を別の
蓋ｆを用いて閉塞して、車輪への駆動軸を支持しなけれ
ばならず、全体として構造が複雑となる不都合があっ
た。Since the hydrostatic type continuously variable transmission functioning as one unit is mounted on the front surface of the mission case, that is, the hydrostatic type continuously variable transmission and the mission case are combined. Since it has a separate structure, it is necessary to separately provide an opening for the hydrostatic continuously variable transmission and an opening for projecting the drive shaft to the wheels on the front of the mission case. In addition to the complexity, the opening for projecting the drive shaft to the wheel must be closed by using another lid f to support the drive shaft to the wheel, resulting in a complicated structure as a whole. .
【０００４】本発明の目的は、油圧無段変速装置付きト
ランスミッション全体の構造の簡素化をはかる点にあ
る。An object of the present invention is to simplify the structure of the entire transmission with a hydraulic continuously variable transmission.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
の本発明の第１の特徴構成は、前後方向の一方が開口さ
れたミッションケースの開口部を閉塞するように油圧無
段変速装置のポートブロックを取付けるとともに、その
ポートブロックの上部前面に油圧無段変速装置を取付
け、そのポートブロックの下部に、ミッションケースか
ら突出する車輪への駆動軸を支持させた点にある。A first characteristic configuration of the present invention for achieving the above object is to provide a hydraulic continuously variable transmission so as to close an opening of a transmission case which is open in one of the front and rear directions. The point is that the port block is mounted, the hydraulic continuously variable transmission is mounted on the front surface of the upper portion of the port block, and the drive shaft to the wheels protruding from the transmission case is supported on the lower portion of the port block.
【０００６】上記目的を達成するための本発明の第２の
特徴構成は、前記ミッションケースが、ケース内に作業
装置駆動用の油圧クラッチを備えたものであり、前記ポ
ートブロック内に、前記作業装置駆動用の油圧クラッチ
に対する操作バルブと、油圧無段変速装置のチャージポ
ンプからのチャージ油を前記作業装置駆動用の油圧クラ
ッチに供給するチャージ油路とを設けたものである。A second characteristic configuration of the present invention for achieving the above object is that the mission case has a hydraulic clutch for driving a working device in the case, and the work is provided in the port block. An operation valve for a hydraulic clutch for driving the apparatus and a charge oil passage for supplying charge oil from a charge pump of the hydraulic continuously variable transmission to the hydraulic clutch for driving the working apparatus are provided.
【０００７】上記目的を達成するための本発明の第３の
特徴構成は、前記ミッションケースが、ケース内に作業
装置駆動用の油圧クラッチを備えたものであり、前記車
輪への駆動軸が、クラッチを備えたものであり、さら
に、ポートブロックの下部前面に取付けられた前記クラ
ッチに対するクラッチケースに、前記作業装置駆動用の
油圧クラッチに対する操作バルブを、前記ポートブロッ
ク内に、油圧無段変速装置のチャージポンプからのチャ
ージ油を前記操作バルブを介して前記作業装置駆動用の
油圧クラッチに供給するチャージ油路を夫々設けたもの
である。A third characteristic configuration of the present invention for achieving the above object is that the transmission case includes a hydraulic clutch for driving a working device in the case, and a drive shaft for the wheels is And a clutch case for the clutch mounted on the lower front surface of the port block, an operation valve for the hydraulic clutch for driving the working device, and a hydraulic continuously variable transmission in the port block. Charge oil passages for supplying the charge oil from the charge pump to the working device driving hydraulic clutch via the operation valve are respectively provided.
【０００８】[0008]
【作用】本発明の第１の特徴構成によれば、油圧無段変
速装置のポートブロックを下方に延長して、油圧無段変
速装置のポートブロックを、前後方向の一方が開口され
たミッションケースの開口部を閉塞する蓋として利用し
て、その蓋の上部前面に油圧無段変速装置を取付け、下
部から車輪への駆動軸を突出させることによって、ミッ
ションケースと油圧無段変速装置とを一つの単体として
取り扱うことができる。According to the first characteristic construction of the present invention, the port block of the hydraulic continuously variable transmission is extended downward so that the port block of the hydraulic continuously variable transmission is opened in one of the front and rear directions. Is used as a lid for closing the opening of the transmission, the hydraulic continuously variable transmission is attached to the front surface of the upper portion of the lid, and the drive shaft to the wheels is projected from the lower portion, so that the transmission case and the hydraulic continuously variable transmission are integrated. Can be treated as a single unit.
【０００９】本発明の第２の特徴構成によれば、前記ポ
ートブロック内に、ミッションケース内に設けられた作
業装置駆動用の油圧クラッチに対する操作バルブと、油
圧無段変速装置のチャージ油を前記作業装置駆動用の油
圧クラッチに供給する油路とを設けてあるので、前記油
圧無段変速装置のポートブロックを、作業装置駆動用の
油圧クラッチに対する操作バルブに対するケーシングと
して、また、作業装置駆動用の油圧クラッチに対するポ
ートブロックとして利用することができる。According to the second characteristic configuration of the present invention, the operation valve for the hydraulic clutch for driving the working device provided in the transmission case and the charge oil for the hydraulic continuously variable transmission are provided in the port block. Since an oil passage for supplying to the hydraulic clutch for driving the working device is provided, the port block of the hydraulic continuously variable transmission serves as a casing for the operation valve for the hydraulic clutch for driving the working device, and for driving the working device. It can be used as a port block for the hydraulic clutch.
【００１０】本発明の第３の特徴構成によれば、ポート
ブロックの下部前面に取付けたクラッチケースに、ミッ
ションケース内に設けられた作業装置駆動用の油圧クラ
ッチに対する操作バルブを設け、油圧無段変速装置のポ
ートブロック内に、油圧無段変速装置のチャージ油を前
記作業装置駆動用の油圧クラッチに供給する油路を設け
てあるので、クラッチケースを操作バルブに対するケー
シングとして、また、油圧無段変速装置のポートブロッ
クを、作業装置駆動用の油圧クラッチに対するポートブ
ロックとして利用することができる。According to the third characteristic construction of the present invention, the clutch case mounted on the lower front surface of the port block is provided with the operation valve for the hydraulic clutch for driving the working device provided in the transmission case, and the hydraulic stepless. Since the oil passage for supplying the charge oil of the hydraulic continuously variable transmission to the hydraulic clutch for driving the working device is provided in the port block of the transmission, the clutch case serves as a casing for the operation valve, and the hydraulic continuously variable transmission is provided. The port block of the transmission can be used as a port block for a hydraulic clutch for driving the work device.
【００１１】[0011]
【発明の効果】本発明の第１の特徴構成によれば、油圧
無段変速装置のポートブロックを、ミッションケースの
蓋として利用することにより、ミッションケースとして
は前面又は後面が全面開口された形状で済み、ミッショ
ンケース成形用の鋳型が簡単となる。また、車輪への駆
動軸を支持する別途蓋が不要となり、構造の簡素化がは
かれる。According to the first characteristic construction of the present invention, by utilizing the port block of the hydraulic continuously variable transmission as the lid of the mission case, the mission case has a shape in which the front surface or the rear surface is entirely opened. This simplifies the molding of the mission case. Moreover, a separate lid for supporting the drive shaft for the wheels is not required, and the structure can be simplified.
【００１２】また、本発明の第２の特徴構成によれば、
油圧無段変速装置のポートブロックを、作業装置駆動用
油圧クラッチに対する操作バルブのケーシングとして、
また、作業装置駆動用油圧クラッチに対するポートブロ
ックとして利用することにより、作業装置駆動用油圧ク
ラッチに対する配管などの不要化などがはかれ、全体と
してトランスミッションの構造の簡素化がはかれる。According to the second characteristic configuration of the present invention,
The port block of the hydraulic continuously variable transmission is used as the casing of the operation valve for the working device driving hydraulic clutch,
Further, by using it as a port block for the working device driving hydraulic clutch, the piping for the working device driving hydraulic clutch can be eliminated, and the structure of the transmission can be simplified as a whole.
【００１３】また、本発明の第３の特徴構成によれば、
ポートブロックの下部前面に取付けたクラッチケース
を、作業装置駆動用油圧クラッチに対する操作バルブの
ケーシングとして、また、油圧無段変速装置のポートブ
ロックを、作業装置駆動用の油圧クラッチに対するポー
トブロックとして利用することにより、作業装置駆動用
油圧クラッチに対する配管などの不要化などがはかれ、
全体としてトランスミッションの構造の簡素化がはかれ
る。According to the third characteristic configuration of the present invention,
The clutch case attached to the lower front surface of the port block is used as the casing of the operating valve for the working device driving hydraulic clutch, and the port block of the hydraulic continuously variable transmission is used as the port block for the working device driving hydraulic clutch. This eliminates the need for piping etc. for the hydraulic clutch for driving the working device.
The structure of the transmission is simplified as a whole.
【００１４】[0014]
【実施例】以下、本発明の実施例を４輪駆動式で後輪ス
テアリング形式のフロントマント型乗用芝刈機に付いて
説明する。Embodiments of the present invention will be described below with reference to a front mantle type lawn mower of a four-wheel drive type and a rear wheel steering type.
【００１５】図１に示すように、左右一対の前輪１と左
右一対の後輪２で支持された車体フレーム３の前部にス
テアリングハンドル４と運転座席５とからなる操縦部６
を設け、車体フレーム３の後部にエンジン７を搭載し、
車体フレーム３の前方下方にモーアＭを連結してフロン
トマント型乗用芝刈機を構成してある。As shown in FIG. 1, a steering section 6 including a steering wheel 4 and a driver's seat 5 is provided at the front of a body frame 3 supported by a pair of left and right front wheels 1 and a pair of left and right rear wheels 2.
And the engine 7 is mounted on the rear part of the vehicle body frame 3,
A mower M is connected to the lower front of the vehicle body frame 3 to form a front mantle type riding lawn mower.
【００１６】図２に示すように、前記フロントマント型
乗用芝刈機は、エンジン７からの動力を伝動軸８を介し
てアキシャルプランジャー型の静油圧式無段変速装置９
に伝動し、その静油圧式無段変速装置９のモータ軸９ａ
からギア式変速装置１３並びにデフ装置１４を介して前
輪の車軸１ａに伝動可能に構成してあり、そして、前記
ギア式変速装置１３に連動の減速ギア１５、並びに、メ
カ式のクラッチ１６を備えた駆動軸１７を介して後輪の
ドライブシャフト１１に伝動可能に構成してあり、そし
て、静油圧式無段変速装置９のポンプ軸９ｂから油圧ク
ラッチ１８を介して作業装置駆動用のフロントＰＴＯ軸
１９並びに伝動軸１２を介して前記モーアＭに伝動可能
に構成してある。As shown in FIG. 2, the front mantle type riding lawn mower has an axial plunger type hydrostatic stepless transmission 9 for transmitting power from an engine 7 through a transmission shaft 8.
To the motor shaft 9a of the hydrostatic stepless transmission 9.
Is configured to be capable of being transmitted to the front wheel axle 1a via the gear type transmission 13 and the differential device 14, and is provided with a reduction gear 15 and a mechanical clutch 16 that are interlocked with the gear type transmission 13. Is configured to be capable of being transmitted to the drive shaft 11 of the rear wheels via the drive shaft 17, and the front PTO for driving the working device from the pump shaft 9b of the hydrostatic continuously variable transmission 9 via the hydraulic clutch 18. It is configured such that it can be transmitted to the mower M via the shaft 19 and the transmission shaft 12.
【００１７】図３に示すように、前記静油圧式無段変速
装置９は、後部全面が開口されたミッションケース１０
の開口部を閉塞するように取付けられたポートブロック
２０の上部前面に取付けられており、そして、ポートブ
ロック２０の下部前面に後輪への駆動軸１７が突出支持
されている。As shown in FIG. 3, the hydrostatic continuously variable transmission 9 has a transmission case 10 having an opening on the entire rear surface.
Is attached to the upper front surface of the port block 20 that is attached so as to close the opening of the port block 20, and the drive shaft 17 to the rear wheel is projectingly supported on the lower front surface of the port block 20.
【００１８】前記静油圧式無段変速装置９のポートブロ
ック２０には、静油圧式無段変速装置９のポンプ９Ｂと
モータ９Ａとを連通接続する油路２１の他に、静油圧式
無段変速装置９のチャージポンプ２２からのチャージ油
を前記油圧クラッチ１８に供給する油路２３と、油圧ク
ラッチ１８に対する操作バルブ２４並びに静油圧式無段
変速装置の前・後進用のリリーフバルブ２５，２５など
が設けられている。In the port block 20 of the hydrostatic stepless transmission 9, a hydrostatic stepless transmission is provided in addition to an oil passage 21 that connects the pump 9B and the motor 9A of the hydrostatic stepless transmission 9 to each other. An oil passage 23 for supplying charge oil from the charge pump 22 of the transmission 9 to the hydraulic clutch 18, an operation valve 24 for the hydraulic clutch 18, and relief valves 25, 25 for forward and reverse travel of the hydrostatic continuously variable transmission. Etc. are provided.
【００１９】前記チャージポンプ２２はミッションケー
ス１０の潤滑油を吸込みパイプ２６ａを介して吸引し、
排出パイプ２６ｂを介してポートブロック２０に形成さ
れたチャージ油路２３に供給可能に構成してある。The charge pump 22 sucks the lubricating oil of the mission case 10 through the suction pipe 26a,
The charge oil passage 23 formed in the port block 20 can be supplied through the discharge pipe 26b.
【００２０】〔別実施例〕上記実施例においては、ポー
トブロック２０に油圧クラッチ１８に対する操作バルブ
２４を設けたが、図６に示すように、ポートブロック２
０の前面に取付けられたクラッチケース２７に前記油圧
クラッチ１８に対する操作バルブ２４を設けて、クラッ
チケース２４に設けた油路２８とポートブロック２０に
設けた油路２３とを連通接続して油圧無段変速装置９の
チャージ油を作業装置駆動用の油圧クラッチ１８に供給
するようにしても良い。[Other Embodiments] In the above embodiment, the port block 20 is provided with the operation valve 24 for the hydraulic clutch 18. However, as shown in FIG.
0 is provided with an operation valve 24 for the hydraulic clutch 18 in a clutch case 27 attached to the front surface of the clutch case 24, and an oil passage 28 provided in the clutch case 24 and an oil passage 23 provided in the port block 20 are connected to communicate with each other. The charge oil of the speed change device 9 may be supplied to the hydraulic clutch 18 for driving the work device.
【００２１】また、上記実施例においては、エンジンを
機体後部に、ミッションケースを機体前部に設けが、エ
ンジンを機体前部に、ミッションケースを機体後部に設
けても良い。In the above embodiment, the engine is provided at the rear of the machine and the mission case is provided at the front of the machine, but the engine may be provided at the front of the machine and the mission case may be provided at the rear of the machine.
【００２２】尚、特許請求の範囲の項に図面との対照を
便利にするために符号を記すが、該記入により本発明は
添付図面の構成に限定されるものではない。It should be noted that reference numerals are given in the claims for convenience of comparison with the drawings, but the present invention is not limited to the configurations of the accompanying drawings by the entry.
【図１】全体側面図1] Overall side view
【図２】伝動系の概略図[Fig. 2] Schematic diagram of transmission system
【図３】ミッションケース前部の縦断側面図FIG. 3 is a vertical sectional side view of the front part of the mission case.
【図４】ポートブロックの一部を示す正面図FIG. 4 is a front view showing a part of a port block.
【図５】油圧無段変速装置の油圧回路図FIG. 5 is a hydraulic circuit diagram of a hydraulic continuously variable transmission.
【図６】第２実施例を示すミッションケース前部の縦断
側面図FIG. 6 is a vertical sectional side view of a transmission case front portion showing a second embodiment.
【図７】従来構造を示す側面図FIG. 7 is a side view showing a conventional structure.
９ 油圧無段変速装置 １０ ミッションケース １４ クラッチ １７ 車輪駆動軸 １８ 油圧クラッチ ２０ ポートブロック ２２ チャージポンプ ２３ チャージ油路 ２４ 操作バルブ ２７ クラッチケース 9 hydraulic continuously variable transmission 10 mission case 14 clutch 17 wheel drive shaft 18 hydraulic clutch 20 port block 22 charge pump 23 charge oil passage 24 operation valve 27 clutch case
Claims (3)
ケース（１０）の開口部を閉塞するように油圧無段変速
装置（９）のポートブロック（２０）を取付けるととも
に、そのポートブロック（２０）の上部前面に油圧無段
変速装置（９）を取付け、そのポートブロック（２０）
の下部に、ミッションケース（１０）から突出する車輪
への駆動軸（１７）を支持させてある作業車の油圧無段
変速装置付きトランスミッション。1. A port block (20) of a hydraulic continuously variable transmission (9) is mounted so as to close an opening of a mission case (10) which is open in one of the front and rear directions, and the port block (20). The hydraulic stepless transmission (9) is attached to the front of the upper part of the port block (20).
A hydraulic transmission with a continuously variable transmission for a work vehicle, in which a drive shaft (17) to a wheel protruding from a mission case (10) is supported in the lower part of the vehicle.
ス内に作業装置駆動用の油圧クラッチ（１８）を備えた
ものであり、前記ポートブロック（２０）内に、前記作
業装置駆動用の油圧クラッチ（１８）に対する操作バル
ブ（２４）と、油圧無段変速装置（９）のチャージポン
プ（２２）からのチャージ油を前記作業装置駆動用の油
圧クラッチ（１８）に供給するチャージ油路（２３）と
を設けたものである請求項１に記載の作業車の油圧無段
変速装置付きトランスミッション。2. The transmission case (10) includes a hydraulic clutch (18) for driving a working device in the case, and a hydraulic clutch for driving the working device in the port block (20). A charge oil passage (23) for supplying the charge oil from the operation valve (24) for the (18) and the charge pump (22) of the hydraulic continuously variable transmission (9) to the hydraulic clutch (18) for driving the working device. And a hydraulic continuously variable transmission for a work vehicle according to claim 1.
ス内に作業装置駆動用の油圧クラッチ（１８）を備えた
ものであり、前記車輪への駆動軸（１７）が、クラッチ
（１４）を備えたものであり、さらに、ポートブロック
（２０）の下部前面に取付けられた前記クラッチ（１
４）に対するクラッチケース（２７）に、前記作業装置
駆動用の油圧クラッチ（１８）に対する操作バルブ（２
４）を、前記ポートブロック（２０）内に、油圧無段変
速装置（９）のチャージポンプ（２２）からのチャージ
油を前記操作バルブ（２４）を介して前記作業装置駆動
用の油圧クラッチ（１８）に供給するチャージ油路（２
３）を夫々設けたものである請求項１に記載の作業車の
油圧無段変速装置付きトランスミッション。3. The transmission case (10) is provided with a hydraulic clutch (18) for driving a working device in the case, and the drive shaft (17) to the wheel is provided with a clutch (14). The clutch (1) attached to the lower front surface of the port block (20).
4) to the clutch case (27), the operating valve (2) for the hydraulic clutch (18) for driving the working device.
4) the charge oil from the charge pump (22) of the hydraulic continuously variable transmission (9) in the port block (20) via the operation valve (24) to drive the working device hydraulic clutch ( 18) Charge oil passage (2)
3. The transmission with hydraulic continuously variable transmission for a work vehicle according to claim 1, each of which is provided with 3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14272594A JP3321493B2 (en) | 1994-06-24 | 1994-06-24 | Transmission with hydraulic continuously variable transmission for work vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14272594A JP3321493B2 (en) | 1994-06-24 | 1994-06-24 | Transmission with hydraulic continuously variable transmission for work vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH084884A true JPH084884A (en) | 1996-01-12 |
| JP3321493B2 JP3321493B2 (en) | 2002-09-03 |
Family
ID=15322140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14272594A Expired - Fee Related JP3321493B2 (en) | 1994-06-24 | 1994-06-24 | Transmission with hydraulic continuously variable transmission for work vehicles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3321493B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1000791A1 (en) * | 1998-06-05 | 2000-05-17 | Kanzaki Kokyukoki MFG. Co., Ltd. | Transmission mechanism of vehicle with hst and pressure oil feeding device for the mechanism |
| JP2001105933A (en) * | 1999-10-05 | 2001-04-17 | Honda Motor Co Ltd | Power transmission system for vehicle |
| WO2002034561A1 (en) * | 2000-10-20 | 2002-05-02 | Yanmar Agricultural Equipment Co., Ltd. | Power transmission device for vehicle |
| JP2003011684A (en) * | 2001-06-27 | 2003-01-15 | Kanzaki Kokyukoki Mfg Co Ltd | Transmission for tractor |
| WO2013165490A1 (en) * | 2012-05-02 | 2013-11-07 | Parker-Hannifin Corporation | Method of assembly for hydromechanical transmission |
| JP2016074295A (en) * | 2014-10-06 | 2016-05-12 | 三菱マヒンドラ農機株式会社 | Work vehicle |
-
1994
- 1994-06-24 JP JP14272594A patent/JP3321493B2/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1000791A1 (en) * | 1998-06-05 | 2000-05-17 | Kanzaki Kokyukoki MFG. Co., Ltd. | Transmission mechanism of vehicle with hst and pressure oil feeding device for the mechanism |
| EP1000791A4 (en) * | 1998-06-05 | 2008-02-06 | Kanzaki Kokyukoki Mfg Co Ltd | Transmission mechanism of vehicle with hst and pressure oil feeding device for the mechanism |
| US7422077B2 (en) | 1998-06-05 | 2008-09-09 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Transmission mechanism for vehicles having HST and pressure oil supply system therefor |
| US7637332B2 (en) | 1998-06-05 | 2009-12-29 | Kanzaki Kokyukoki Mfg., Co., Ltd. | Transmission mechanism for vehicles having HST and pressure oil supply system therefor |
| JP2001105933A (en) * | 1999-10-05 | 2001-04-17 | Honda Motor Co Ltd | Power transmission system for vehicle |
| JP4555418B2 (en) * | 1999-10-05 | 2010-09-29 | 本田技研工業株式会社 | Vehicle power transmission device |
| WO2002034561A1 (en) * | 2000-10-20 | 2002-05-02 | Yanmar Agricultural Equipment Co., Ltd. | Power transmission device for vehicle |
| JP2003011684A (en) * | 2001-06-27 | 2003-01-15 | Kanzaki Kokyukoki Mfg Co Ltd | Transmission for tractor |
| JP4733295B2 (en) * | 2001-06-27 | 2011-07-27 | ヤンマー株式会社 | Tractor transmission |
| WO2013165490A1 (en) * | 2012-05-02 | 2013-11-07 | Parker-Hannifin Corporation | Method of assembly for hydromechanical transmission |
| JP2016074295A (en) * | 2014-10-06 | 2016-05-12 | 三菱マヒンドラ農機株式会社 | Work vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3321493B2 (en) | 2002-09-03 |
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