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3161調(diào)速器的示意圖如圖3-1所示
調(diào)速器先導(dǎo)閥需要增加燃油。3161調(diào)速器有一個(gè)獨(dú)立的供油裝置（約2.3 US qt/2.2 L）。機(jī)油從
驅(qū)動(dòng)軸旋轉(zhuǎn)時(shí)擺線泵吸入側(cè)至壓力側(cè)
由原動(dòng)機(jī)驅(qū)動(dòng)。泵壓力調(diào)節(jié)在大約100 psi（690
kPa）通過(guò)蓄能器彈簧和活塞。隨著壓力的增加
蓄能器活塞在氣缸中向上移動(dòng)，直到達(dá)到100 psi（690 kPa）。
此時(shí)，活塞中的排氣口被打開(kāi)，泵壓力為
受監(jiān)管。
蓄能器產(chǎn)生的壓力決定了
州長(zhǎng)。泵壓力也用于安裝在上的輔助設(shè)備
封面。
速度設(shè)置增加
順時(shí)針（CW）旋轉(zhuǎn)速度設(shè)定軸可增加
州長(zhǎng)。（高速止動(dòng)螺釘限制
調(diào)速器。）當(dāng)速度設(shè)定軸旋轉(zhuǎn)時(shí)，速度設(shè)定桿推動(dòng)
放下連接到調(diào)速器插頭的浮動(dòng)桿。向下的
減速器塞上的壓力壓縮減速器彈簧并克服
球頭飛錘降低球頭先導(dǎo)閥的離心力
柱塞（pvp），增加調(diào)速器的速度設(shè)置。
當(dāng)pvp降低時(shí)，壓力油在動(dòng)力活塞下方移動(dòng)，使其
向上移動(dòng)，提起端子桿并朝
增加方向。甚至在原動(dòng)機(jī)達(dá)到新的設(shè)定速度之前，
補(bǔ)償系統(tǒng)開(kāi)始重新調(diào)整pvp的中心位置。隨著動(dòng)力活塞的移動(dòng)
向上，動(dòng)力活塞頂部的機(jī)油被擠出到緩沖活塞和
pvp上補(bǔ)償用地的下側(cè)。二者的效力變化
緩沖彈簧往往會(huì)阻止緩沖活塞的移動(dòng)，從而導(dǎo)致
緩沖活塞上側(cè)的油壓較高，該壓力為
傳輸?shù)絧vp補(bǔ)償?shù)氐牡撞俊Ｔ?br />補(bǔ)償?shù)貎蓚?cè)的壓力產(chǎn)生一種作用力
將pvp推回其中心位置。
通過(guò)針閥節(jié)流孔的機(jī)油泄漏平衡了上述壓力
并使緩沖活塞重新居中
在速度變化期間。當(dāng)壓力高于和低于補(bǔ)償時(shí)
land變?yōu)橄嗟葧r(shí)，緩沖彈簧將緩沖活塞返回到其中心位置
位置
速度設(shè)置降低
逆時(shí)針（CCW）旋轉(zhuǎn)速度設(shè)定軸可降低速度
調(diào)速器的設(shè)置（低速止動(dòng)螺釘限制
州長(zhǎng)）。當(dāng)速度設(shè)定軸逆時(shí)針旋轉(zhuǎn)時(shí)，速度
移除浮動(dòng)桿上的設(shè)定桿并降低壓縮
從減速器彈簧。飛錘產(chǎn)生的離心力提升球頭
先導(dǎo)閥柱塞（pvp），打開(kāi)旋轉(zhuǎn)襯套中的控制端口。
動(dòng)力活塞下的控制油現(xiàn)在排放到油底殼，從而允許動(dòng)力活塞
向下移動(dòng)。輸出軸沿下降方向旋轉(zhuǎn)，速度
原動(dòng)機(jī)轉(zhuǎn)速降低。然后，薪酬體系帶來(lái)
調(diào)速器處于穩(wěn)定控制之下。

The schematic arrangement of the 3161 governor is shown in Figure 3-1, with the governor pilot valve calling for increased fuel. The 3161 governor has a selfcontained oil supply (approximately 2.3 US qt/2.2 L). The oil passes from the suction side to the pressure side of the gerotor pump as the drive shaft is rotated by the prime mover. Pump pressure is regulated at approximately 100 psi (690 kPa) by the accumulator spring and piston. As the pressure increases, the accumulator piston moves up in the cylinder until 100 psi (690 kPa) is obtained. At this time, bleed ports in the piston are uncovered, and pump pressure is regulated. The pressure generated by the accumulator, determines the work capabilities of the governor. Pump pressure is also used for the auxiliary devices installed on the cover. Increase in Speed Setting Rotating the speed setting shaft clockwise (CW) increases the speed setting of the governor. (The high speed stop screw limits the high speed setting of the governor.) As the speed setting shaft rotates, the speed setting lever pushes down on the floating lever which is attached to the speeder plug. The downward pressure on the speeder plug compresses the speeder spring and overcomes the centrifugal force of the ballhead flyweights to lower the ball-head pilot valve plunger (pvp), increasing speed setting of the governor. When the pvp is lowered, pressure oil moves under the power piston causing it to move up, lifting the terminal lever and rotating the output shaft towards the increase direction. Even before the prime mover has reached the new set speed, the compensation system starts to re-center the pvp. As the power piston moves up, the oil on top of the power piston is forced out to the buffer piston and to the lower side of the compensation land on the pvp. The change in force on the two buffer springs tends to resist the movement of the buffer piston, causing a slightly higher oil pressure on the upper side of the buffer piston, with this pressure being transmitted to the bottom side of the pvp compensation land. The difference in pressures on the two sides of the compensation land produce a force which acts to push the pvp back to its centered position. Leakage, of oil through the needle valve orifice equalizes the pressures above and below the compensation land, and allows the buffer piston to re-center during speed changes. As the pressures above and below the compensation land become equal, the buffer springs return the buffer piston to its centered position. Decrease in Speed Setting Rotating the speed setting shaft counterclockwise (CCW) decreases the speed setting of the governor (the low speed stop screw limits the low speed setting of the governor). As the speed setting shaft rotates CCW, the force of the speed setting lever on the floating lever is removed and the compression is reduced from the speeder spring. Centrifugal force from the flyweights raises the ballhead pilot valve plunger (pvp), uncovering the control port in the rotating bushing. Control oil under the power piston now drains to sump, allowing the power piston to move down. The output shaft rotates in the decrease direction, and the speed (rpm) of the prime mover is decreased. The compensation system then brings the governor under stable control.