CN102494085B - Mechanical supercharger with speed change function - Google Patents

Mechanical supercharger with speed change function Download PDF

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Publication number
CN102494085B
CN102494085B CN201110393852.8A CN201110393852A CN102494085B CN 102494085 B CN102494085 B CN 102494085B CN 201110393852 A CN201110393852 A CN 201110393852A CN 102494085 B CN102494085 B CN 102494085B
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China
Prior art keywords
gear
shaft
driven
bearing
mechanical supercharger
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CN201110393852.8A
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Chinese (zh)
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CN102494085A (en
Inventor
赵仕云
施法佳
范礼
李后良
周俊
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杰锋汽车动力系统股份有限公司
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Priority to CN201110393852.8A priority Critical patent/CN102494085B/en
Publication of CN102494085A publication Critical patent/CN102494085A/en
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Publication of CN102494085B publication Critical patent/CN102494085B/en

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Abstract

The invention provides a mechanical supercharger with a speed change function. A gear III (8) of the mechanical supercharger, which is installed on an input shaft (2), is meshed with a gear IV (21) installed on a driving shaft (16); a driving gear (18) installed on the driving shaft (16) is meshed with a driven gear (10) installed on a driven shaft (12); the input shaft (2) is also provided with a gear I (7) and a clutch mechanism (6) capable of controlling the gear I (7) to rotate and idle; the gear I (7) is meshed with a gear II (22) installed on the driving shaft (16); the driving shaft (16) is provided with a unilateral bearing (20); and the unilateral bearing (20) is set to be a structure capable of controlling the gear IV (21) to rotate and idle. The mechanical supercharger disclosed by the invention has a speed change function, and therefore, the supercharger and an engine can better carry out dynamic characteristic balance at different revolving speeds.

Description

A kind of mechanical supercharger with speed changing function

Technical field

The invention belongs to technical field of automobile engine, more particularly, relate to a kind of mechanical supercharger with speed changing function.

Background technique

Mechanical supercharger is to surpassing normobaric device by the air pressurized sucking.Evidence, adopt engine power and the moment of torsion of mechanical supercharger on average to improve 31% to 46%,, place that height above sea level higher lower in air density particularly, only by means of pressurized machine, to motor, provide the air that pressure is higher, guarantee engine work demand is the effective means that improves vehicular engine power performance, mapping and emission performance so adopt mechanical supercharger.

Conventionally, mechanical supercharger is directly connected with engine crankshaft by a belt, thus the power resources of mechanical supercharger in motor, the rotating speed of the mechanical supercharger of common fixed speed ratio becomes fixed proportion with engine speed.When motor is at low speed, especially when 1000-2000rpm turns round, mechanical supercharger rotating speed is low, and pressurized machine is not obvious to the pressurized effect of motor, and engine power and moment of torsion improve limited.When motor at a high speed, especially when 4000-5000rpm turn round, although the mechanical supercharger running up provides larger boost pressure to motor, the while has also consumed more engine power, this has worsened the fuel economy of motor on the contrary.Therefore, common mechanical supercharger is difficult to mate good with motor in the full condition range of motor.

Summary of the invention

Technical problem to be solved by this invention is: for the deficiencies in the prior art, provide a kind of mechanical supercharger that can make to there is speed changing function, thereby make pressurized machine can better carry out with motor the mechanical supercharger with speed changing function of dynamic property balance under different rotating speeds.

Solve above-described technical problem, the technological scheme that the present invention takes is:

The present invention is a kind of mechanical supercharger with speed changing function, comprise pressurized machine housing, in described pressurized machine housing, input shaft is installed, driving shaft, driven shaft, be arranged on gear III and the gear IV engagement being arranged on driving shaft on input shaft, be arranged on driving gear and the driven gear engagement being arranged on driven shaft on driving shaft, gear I is also installed on described input shaft and can control gear I rotates, the clutch mechanism of idle running, described gear I and the gear II engagement being arranged on driving shaft, on described driving shaft, unilateral bearing is installed, unilateral bearing is set to control gear IV to rotate, the structure of idle running.

Described driving shaft is set to the structure being spatially arranged in parallel with driven shaft, gear IV on described driving shaft is set to the structure between gear II and driving gear, described power rotor and driven rotor are arranged on respectively on driving shaft and driven shaft, and described clutch mechanism is mechanical clutch mechanism.

Described clutch mechanism comprise fly pendulum, fly swinging rack, platen, friction plate, driven disc, holddown spring, platen and input shaft interference fit joint, half of friction plate is lug, second half is recessed, lug and recessed staggered being sleeved on platen, driven disc is sleeved on platen outer ring, holddown spring is arranged between driven disc and gear I, holddown spring is sleeved on guide finger, driven disc connects by a plurality of guide fingers with gear I, flies pendulum described in a plurality of and is movably arranged on by pin the groove location that flies swinging rack.

Described unilateral bearing comprises outer ring, roller, and star-wheel, described star-wheel is installed in outer ring, and described roller is arranged in the cavity of outer ring and star-wheel formation by Returnning spring.

The front end of described input shaft is bearing in pressurized machine housing by deep groove ball bearing I, and the rear end of input shaft is bearing in dunnage by another deep groove ball bearing II.

Described gear I is bearing on input shaft by deep groove ball bearing III, gear II and driving shaft interference fit joint, and driven shaft is bearing on shaft bearing plate and rotor housing by deep groove ball bearing IV, gear III and driven shaft interference fit joint.

Adopt technological scheme of the present invention, can obtain following beneficial effect:

Mechanical supercharger of the present invention, its speed change is without independent gear shift controlling mechanism, when it passes through input different rotating speeds, fly to put the folding that the mutual balance of 24 generation centrifugal force between axial component and the spring force of holddown spring 29 controlled mechanical clutch mechanism 6, thereby the whether transferring power between control gear I 7 and gear II 22, again because gear III 8 and gear IV 21 are the outer ring 31 and gear IV 21 endoporus interference fit of step-down ratio gear and unilateral bearing 20, this just can utilize the transcendent function of unilateral bearing 20 whether to keep between gear III 8 and gear IV 21 transferring power.

Pressurized machine of the present invention has speed changing function, thereby can reach the balance that better realizes dynamic property under different rotating speeds with motor.

Mechanical supercharger in the present invention, work gear range is wide, compare with conventional machinery pressurized machine, can be matched with better motor, easily form desirable mating with motor, thereby improve combustion process, and then reduction oil consumption and discharge, have higher transmission efficiency, power loss is few, and Economy is high.

Mechanical supercharger in the present invention, transforming gear is completely automatic, does not need electric power, hydraulic pressure or air pressure dispatch control system.For various engines and different operating mode, the rotating speed of pressurized machine of the present invention and pressure ratio can change via the adjustment of clutch mechanism, unilateral bearing and two pairs of gear ratios.

Accompanying drawing explanation

The expressed content of each accompanying drawing of this specification and the mark in figure are made to brief description below:

Fig. 1 is the structural representation of the mechanical supercharger with speed changing function of the present invention;

Fig. 2 is the clutch mechanism of the mechanical supercharger with speed changing function of the present invention structural representation when jointing state;

Fig. 3 is the clutch mechanism of the mechanical supercharger with speed changing function of the present invention structural representation when separated state;

Fig. 4 is the dispersed structure schematic diagram of each parts of clutch mechanism of the present invention;

Fig. 5 is the structural representation of unilateral bearing of the present invention;

Accompanying drawing explanation: 1, belt wheel; 2, input shaft; 3, oil sealing; 4, pressurized machine housing; 5, deep groove ball bearing I; 6, clutch mechanism; 7, gear I; 8, gear III; 9, dunnage; 10, driven gear; 11, shaft bearing plate; 12, driven shaft; 13, driven rotor; 14, deep groove ball bearing III; 15, needle bearing; 16, driving shaft; 17, power rotor; 18, driving gear; 19, positioning screwn; 20, unilateral bearing; 21, gear IV; 22, gear II; 23, pin; 24, fly pendulum; 25, fly swinging rack; 26, platen; 27, friction plate; 28, driven disc; 29, holddown spring; 30, guide finger; 31, outer ring; 32, roller; 33, star-wheel; 34, Returnning spring; 35, deep groove ball bearing IV; 36, groove; 37, cavity; 38, rotor housing; 39, deep groove ball bearing II.

Embodiment

Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail as the effect of the mutual alignment between the shape of each related member, structure, each several part and annexation, each several part and working principle etc.:

As accompanying drawing 1---as shown in accompanying drawing 5, the present invention is a kind of mechanical supercharger with speed changing function, comprise pressurized machine housing 4, in described pressurized machine housing 4, input shaft 2 is installed, driving shaft 16, driven shaft 12, be arranged on gear III 8 and gear IV 21 engagements that are arranged on driving shaft 16 on input shaft 2, be arranged on driving gear 18 and driven gear 10 engagements that are arranged on driven shaft 12 on driving shaft 16, gear I 7 is also installed on input shaft 2 and can control gear I 7 rotates, the clutch mechanism 6 of idle running, described gear I 7 and gear II 22 engagements that are arranged on driving shaft 16, on described driving shaft 16, unilateral bearing 20 is installed, unilateral bearing 20 is set to control gear IV 21 to rotate, the structure of idle running.

Described driving shaft 16 is set to the structure being spatially arranged in parallel with driven shaft 12, gear IV 21 on described driving shaft 16 is set to the structure between gear II 22 and driving gear 18, described power rotor 17 and driven rotor 13 are arranged on respectively on driving shaft 16 and driven shaft 12, and described clutch mechanism 6 is mechanical clutch mechanism.

Described clutch mechanism 6 comprises and flies to put 24, fly swinging rack 25, platen 26, friction plate 27, driven disc 28, holddown spring 29, platen 26 and input shaft 2 interference fit joint, half of friction plate 27 is lug, second half is recessed, lug and recessed staggered being sleeved on platen 26, driven disc 28 is sleeved on platen 26 outer rings, holddown spring 29 is arranged between driven disc 28 and gear I 7, holddown spring 29 is sleeved on guide finger 30, driven disc 28 connects by a plurality of guide fingers 30 with gear I 7, described in a plurality of, fly to put 24 and be movably arranged on by pin 23 groove 36 positions that fly swinging rack 25.

Described unilateral bearing 20 comprises outer ring 31, roller 32, and star-wheel 33, described star-wheel 33 is installed in outer ring 31, and described roller 32 is arranged in the cavity 37 of outer ring 31 and star-wheel 33 formation by Returnning spring 34.

The front end of described input shaft 2 is bearing in pressurized machine housing 4 by deep groove ball bearing I 5, and the rear end of input shaft 2 is bearing in dunnage 9 by another deep groove ball bearing II 39.

Described gear I 7 is bearing on input shaft 2 by deep groove ball bearing III 14, gear II 22 and driving shaft 16 interference fit joint, and driven shaft 12 is bearing on shaft bearing plate 11 and rotor housing 38 by deep groove ball bearing IV 35, gear III 8 and driven shaft 12 interference fit joint.

Mechanical supercharger structure of the present invention as shown in Figure 1, is equipped with the gear of a clutch mechanism 6, unilateral bearing 20, two pairs of different drive ratios in pressurized machine housing 4.Two pairs of different drive ratios gears comprise the speed increasing ratio gear train that gear I 7, gear II 22 form and the reduction speed ratio gear train being comprised of gear III 8, gear IV 21.A pair of gear on year-on-year basis is also housed in pressurized machine housing 4: driving gear 18 and driven gear 10.A pair of rotor is also housed: power rotor 17 and driven rotor 13 in pressurized machine housing.

Clutch mechanism 6 is contained in above input shaft 2, and unilateral bearing 20 is contained in above driving shaft 16.The gear of two pairs of different drive ratios is transmitting torque between input shaft 6 and driving shaft 16.In when work, a pair of gear operation wherein, another is in neutral position state to gear.Because the velocity ratio of these two pairs of gears is different, thus the two stage speed change function of pressurized machine just had, thus can meet motor moving equilibrium of forces under high speed and low speed.Clutch mechanism 6 is connected with speedup ratio gear I 7, the gear IV 21 of step-down ratio and outer ring 31 interference fit of unilateral bearing 20.

As accompanying drawing 2, accompanying drawing 3, shown in accompanying drawing 4, clutch mechanism 6 of the present invention comprises: fly swinging rack 25, platen 26, friction plate 27, driven disc 28, holddown spring 29 and fly to put 24.The front end of the input shaft 2 of pressurized machine is bearing in pressurized machine housing 4 by deep groove ball bearing I 5, and the rear end of input shaft 2 is bearing in dunnage 9 by deep groove ball bearing II 39.

In mechanical supercharger of the present invention, determine determining of high rotating speed and slow-revving critical speed of rotation, depend on and the match condition of motor, therefore can arrange according to the requirement of different type of machines.By the setting of critical speed of rotation, can calculate and fly to put the equinoctial point of 24 generation centrifugal force between axial component and the spring force of holddown spring 29.Fly to put 24 centrifugal force and depend on critical speed of rotation in the size of axial thrust load, the size of clutch mechanism 6 transmitting torques, the size that depends on frictional force, and frictional force is affected by following factors: holddown spring 29 impacting forces, friction factor, the number of rubbing surface, the size of rubbing surface.Frictional force: F=u*P, wherein u-friction factor; (frictional force depends on size, material, surface roughness of friction plate itself etc.), P---pressure.

In the present invention, friction plate 27 in clutch mechanism 6 is after long-time use, will wear and tear, now the spring force of the needed holddown spring 29 of clutch mechanism 6 closed condition will diminish, and the centrifugal force that balance is needed flies to put 24 generations also reduces at axial component.Therefore critical speed of rotation can reduce, and critical speed of rotation place transmitting torque also reduces.

As shown in Figure 5, in mechanical supercharger of the present invention, in unilateral bearing 20, roller 32 is under the spring-force driven dual of Returnning spring 34, all the time contact with star-wheel 33 with outer ring 31, when outer ring 31 is initiatively rotated counterclockwise or when star-wheel 33 initiatively turns clockwise, unilateral bearing 20 all enters the state of closing of carving, i.e. working state; Otherwise unilateral bearing 20 is disengaged condition.

(the parameter of the concrete rotating speed of slow-speed of revolution operating mode when the motor slow-speed of revolution is exported, according to the requirement of different type of machines, set), belt wheel 1 input speed, the centrifugal force that makes to fly to put 24 generations is less than the spring force of holddown spring 34 at axial component, now gear I 7, holddown spring 29 are pressed on driven disc 28 and friction plate 27 on platen 26, thereby make clutch mechanism 6 in jointing state, the moment of torsion of motor is delivered to 7 outputs of gear I with regard to the rubbing action between pressured dish 26, friction plate 27, driven disc 28.Now the star-wheel 33 in the unilateral bearing 20 of pressurized machine the inside moves counterclockwise, unilateral bearing 20 is disengaged condition, now, between input shaft 2 and driving shaft 16, according to the speedup velocity ratio transmitting torque of gear I 7, gear II 22, the rotating speed of driving shaft 16 equals many times of input speeds.By geometric ratio driving gear, pass on, the rotating speed of driven shaft 12 equals the rotating speed of driving shaft 16.A pair of rotor (power rotor 17 and driven rotor 13) is done air compressing according to many times of input speeds.

(the parameter of the concrete rotating speed of high rotating speed operating mode when the high rotating speed output of motor, according to the requirement of different type of machines, set), the centrifugal force that belt wheel 1 input speed makes to fly to put 24 generations is greater than the spring force of holddown spring 34 at axial component, driven disc 28 will be flown to put 24 and be pushed away, to the greatest extent and holddown spring 29 is compressed, at this moment driven disc 28, friction plate 27 and platen 26 all will depart from, make clutch mechanism 6 in separated state, the moment of torsion of motor just can not be delivered to 7 outputs of gear I, this, rotating speed of driving shaft 16 of pressurized machine declined moment, in unilateral bearing 20, the rotating speed of the rotating speed of star-wheel 33 and outer ring 31 rotating speed identical or outer ring 31 is greater than the rotating speed of star-wheel 33, the outer ring 31 that now all can regard unilateral bearing 20 as is initiatively rotated counterclockwise, it is for carving the state of closing, be that unilateral bearing 20 is working state.Between input shaft 2 and driving shaft 16 according to the step-down ratio transmitting torque of gear III 8, gear IV 21, the rotating speed of driving shaft equals the part of input speed.By geometric ratio driving gear transmission moment of torsion, the rotating speed of driven shaft 12 equals the rotating speed of driving shaft 16, and a pair of rotor (power rotor 17 and driven rotor 13) is done air compressing according to part input speed.

Mechanical supercharger of the present invention, has that oneself controls, the function of gear.In motor slow-speed of revolution situation, the unilateral bearing of mechanical supercharger is in disengaged condition, and mechanical clutch mechanism is in closed condition, and speed increasing ratio gear (gear I 7, gear II 22 form) transmitting torque now, to reach supercharging object.Along with engine speed increases, mechanical supercharger clutch mechanism 6 is realized automatic gear shifting speed changing, now, clutch mechanism 6 is in open mode, unilateral bearing 20 is in carving the state of closing, low speed ratio gear (gear III 8, gear IV 21) transmitting torque now, thus meet the high-efficiency operation of mechanical supercharger in higher engine speed situation.

Mechanical supercharger of the present invention, its speed change is without independent gear shift controlling mechanism, when it passes through input different rotating speeds, fly to put the folding that the mutual balance of 24 generation centrifugal force between axial component and the spring force of holddown spring 29 controlled mechanical clutch mechanism 6, thereby the whether transferring power between control gear I 7 and gear II 22, again because gear III 8 and gear IV 21 are the outer ring 31 and gear IV 21 endoporus interference fit of step-down ratio gear and unilateral bearing 20, this just can utilize the transcendent function of unilateral bearing 20 whether to keep between gear III 8 and gear IV 21 transferring power.

Pressurized machine of the present invention has speed changing function, thereby can reach the balance that better realizes dynamic property under different rotating speeds with motor.

Mechanical supercharger in the present invention, work gear range is wide, compare with conventional machinery pressurized machine, can be matched with better motor, easily form desirable mating with motor, thereby improve combustion process, and then reduction oil consumption and discharge, have higher transmission efficiency, power loss is few, and Economy is high.

Mechanical supercharger in the present invention, transforming gear is completely automatic, does not need electric power, hydraulic pressure or air pressure dispatch control system.For various engines and different operating mode, the rotating speed of pressurized machine of the present invention and pressure ratio can change via the adjustment of mechanical clutch mechanism, unilateral bearing and two pairs of gear ratios.

By reference to the accompanying drawings the present invention has been carried out to exemplary description above; obviously the concrete realization of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present invention and technological scheme to carry out; or without improving, design of the present invention and technological scheme are directly applied to other occasions, all in protection scope of the present invention.

Claims (6)

1. the mechanical supercharger with speed changing function, comprise pressurized machine housing (4), it is characterized in that: in described pressurized machine housing (4), input shaft (2) is installed, driving shaft (16), driven shaft (12), be arranged on gear III (8) and gear IV (21) engagement being arranged on driving shaft (16) on input shaft (2), be arranged on driving gear (18) and driven gear (10) engagement being arranged on driven shaft (12) on driving shaft (16), gear I (7) is also installed on described input shaft (2) and can control gear I (7) rotates, the clutch mechanism (6) of idle running, described gear I (7) and gear II (22) engagement being arranged on driving shaft (16), the upper unilateral bearing (20) of installing of described driving shaft (16), unilateral bearing (20) is set to control gear IV (21) to rotate, the structure of idle running.
2. the mechanical supercharger with speed changing function according to claim 1, it is characterized in that: described driving shaft (16) is set to the structure being spatially arranged in parallel with driven shaft (12), gear IV (21) on described driving shaft (16) is set to be positioned at the structure between gear II (22) and driving gear (18), power rotor (17) and driven rotor (13) are arranged on respectively driving shaft (16) and driven shaft (12) is upper, and described clutch mechanism (6) is mechanical clutch mechanism.
3. the mechanical supercharger with speed changing function according to claim 1 and 2, it is characterized in that: described clutch mechanism (6) comprise fly pendulum (24), fly swinging rack (25), platen (26), friction plate (27), driven disc (28), holddown spring (29), platen (26) and input shaft (2) interference fit joint, half of friction plate (27) is lug, second half is recessed, lug and recessed staggered being sleeved on platen (26), driven disc (28) is sleeved on platen (26) outer ring, holddown spring (29) is arranged between driven disc (28) and gear I (7), holddown spring (29) is sleeved on guide finger (30), driven disc (28) connects by a plurality of guide fingers (30) with gear I (7), described in a plurality of, fly pendulum (24) and by pin (23), be movably arranged on groove (36) position that flies swinging rack (25).
4. the mechanical supercharger with speed changing function according to claim 3, it is characterized in that: described unilateral bearing (20) comprises outer ring (31), roller (32), star-wheel (33), described star-wheel (33) is installed in outer ring (31), and described roller (32) is arranged in the cavity (37) of outer ring (31) and star-wheel (33) formation by Returnning spring (34).
5. the mechanical supercharger with speed changing function according to claim 4, it is characterized in that: the front end of described input shaft (2) is bearing in pressurized machine housing (4) by deep groove ball bearing I (5), the rear end of input shaft (2) is bearing in dunnage (9) by another deep groove ball bearing II (39).
6. the mechanical supercharger with speed changing function according to claim 5, it is characterized in that: described gear I (7) is bearing on input shaft (2) by deep groove ball bearing III (14), gear II (22) and driving shaft (16) interference fit joint, driven shaft (12) is bearing in shaft bearing plate (11) by deep groove ball bearing IV (35) and rotor housing (38) is upper, gear III (8) and driven shaft (12) interference fit joint.
CN201110393852.8A 2011-12-02 2011-12-02 Mechanical supercharger with speed change function CN102494085B (en)

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CN201110393852.8A CN102494085B (en) 2011-12-02 2011-12-02 Mechanical supercharger with speed change function

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Application Number Priority Date Filing Date Title
CN201110393852.8A CN102494085B (en) 2011-12-02 2011-12-02 Mechanical supercharger with speed change function

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CN102494085B true CN102494085B (en) 2014-07-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018166919A1 (en) * 2017-03-14 2018-09-20 Magna powertrain gmbh & co kg Coupling arrangement for the torque-dependent and rotational speed-dependent connection of a motor shaft of an electric machine to a torque-transmitting element

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WO2014058410A1 (en) * 2012-10-08 2014-04-17 Stieber Gmbh Backstopping clutch with torque transmission through radial surface of outer race
WO2016112900A1 (en) * 2015-01-16 2016-07-21 Schaeffler Technologies AG & Co. KG Method for equalising a pressure and/or volume of a hydraulic section
CN111441942A (en) * 2015-03-16 2020-07-24 伊顿智能动力有限公司 Pressure booster
US9927006B2 (en) * 2015-09-01 2018-03-27 Achates Power, Inc. Multi-speed planetary drive for a supercharger

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EP0305717A2 (en) * 1987-09-04 1989-03-08 MAN Gutehoffnungshütte Aktiengesellschaft Supercharging unit
EP0331355A1 (en) * 1988-02-29 1989-09-06 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Turbochargers and method of driving same
WO1997015759A1 (en) * 1995-10-23 1997-05-01 Lysholm Technologies Ab Transmission including a two-part clutch arrangement
US5879259A (en) * 1996-10-02 1999-03-09 Tochigi Fuji Sangyo Kabushiki Kaisha Transmission for an auxiliary device
CN101629511A (en) * 2009-08-19 2010-01-20 煤炭科学研究总院太原研究院 Mechanical speed-increasing booster of anti-explosion diesel engine

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EP0305717A2 (en) * 1987-09-04 1989-03-08 MAN Gutehoffnungshütte Aktiengesellschaft Supercharging unit
EP0331355A1 (en) * 1988-02-29 1989-09-06 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Turbochargers and method of driving same
WO1997015759A1 (en) * 1995-10-23 1997-05-01 Lysholm Technologies Ab Transmission including a two-part clutch arrangement
US5879259A (en) * 1996-10-02 1999-03-09 Tochigi Fuji Sangyo Kabushiki Kaisha Transmission for an auxiliary device
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