US2149785A - Machine set - Google Patents
Machine set Download PDFInfo
- Publication number
- US2149785A US2149785A US147064A US14706437A US2149785A US 2149785 A US2149785 A US 2149785A US 147064 A US147064 A US 147064A US 14706437 A US14706437 A US 14706437A US 2149785 A US2149785 A US 2149785A
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- Prior art keywords
- turbine
- wheel
- shaft
- engine
- cage
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/06—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for pumps
Definitions
- My invention relates to sets of machinery composed of a working machine such as a gas or liquid conveying machine and a power engine driving the working machine. It more particularly Yrelates to means for driving the working machine with the aid of two power engines, from which power is transmitted to the working machine by means of a differential gear and one of which is a turbine which only intermittently transmits power on the working machine.
- FIG. 1 and 3 to 7 aredagrammaticillustra- 3o tions of some embodiments, each figure showing a Working machine, ⁇ two power engines, and a differential gear, theA latter partly in section.
- Fig, 2 is an enlarged section on the lines I-I-II of Fig. 1.l l
- Figs. 8 to9 illustrate the combination of an arrangement according to this invention with the scavenging and charging pump of an internal combustion engine.
- A is a power engine, the ⁇ shaft I of which ,carriesa toothed bevel wheel 3 forming part of 'an epicyclic gear.
- B Vis a turbine the shaft 2 of which carries an- 45 other toothed bevelwheel 4, also forming part of the epicyclic gear constituting the diierential gear.
- the latter further comprises a bevelledplanet wheel 5 engaging both wheels 3 and 4 and supported by al cage 6 rotatablyY mounted on the 50 shafts l, and 2.
- al cage 6 On the cage 6 is formed a toothed rim 1' engaging a toothed wheel8 mounted on the shaft 9 of the'v working machine C.
- a freewheel coupling is inserted rbetween the as rollers or balls II arranged between an outer member I2 rigidly connected to or integral with the cage 6, and an inner toothed or cam member I keyed on to the shaft I, the outer surface of the member I0 being formed in the. .manner shownin Fig. 2, with gradually sloping-recesses.
- the free wheel coupling is inserted between the wheels 3 and 4 of the differential gear. It comprises an outer member I5 rigidly secured to the wheel 4 and surrounding the jamming members I4, while the inner member I3 is secured against rotation on an extension I of the shaft I.
- the free wheel coupling is inserted between the planet wheel 5 and its supporting pin I6 and comprises an outer portion I9 connected to wheel 5, an inner portion I1 oonnected to the pin I6, and jamming members
- a similar free wheel coupling comprising an inner member 20, jamming members 2l and an outer member 22, is inserted between 'the shaft 2 and the cage 6, the outer member 22 of the coupling being formed integral with the cage and the inner member 20 being fixed on the shaft 2.
- Figs. 6 and 7 illustrate ⁇ further embodiments of this invention in which spur gear wheels are used instead ofrbevel gears.
- the shaft I of the power engine A carries a wheel 25 formed with an innertoothed rim, while the shaft 9 of the working machine C carries a toothed sun wheel 26.
- the cage 28 of the differential gear which carries the planet wheel or wheels 21, is formed withan outer toothed rim 29 engaging a gear wheel 36 which is mounted on the shaft 2 of the turbine B. Between the shaft I and the cage 28 a free wheel coupling comprising the members 3l, 32, 33 is inserted.
- Fig. 8 illustrates my invention as applied to the driving of the scavenging and charging blower C1 of an internal combustion/@gina
- the discharge side of the blower C1 is connected by means of a pipe 46 to the intake ports (not shown) of the cylinders 45 of the internal combustion engine M.
- the blower is driven by a power engine Ai (electromotor) and a waste gas turbine'B1, to which the exhaust gases of the engine M are fed through a pipe 41 connecting the exhaust ports (not shown) of the cylinders 45 to the turbine B1.
- Power is transmitted from the power engine A1 and ythe waste gas turbine B1 to the blower C1 through the differential gear, the wheel 50 of which is mounted on the shaft 5I of the power engine A1, while the wheel 52 is mounted on the shaft 53 of the waste gas turbine B1.
- the cagev 55 carrying the planet wheels 54 is formed with an outer toothed rim 56 engaging a wheel 51 mounted on the shaft 58 of the blower C1.
- a free I wheel coupling 60, 6I, 621s inserted between the shaft 5I of the power engine A1 and the cage 55 of the differential gear.
- the inner member 60 of the coupling is fixed on the shaft 5I, the outer member 62 enclosing the jamming members 6I is secured to the cage 55.
- Fig. 9 illustrates similar means for driving the scavenging and charging blower C1 of an internal combustion engine, the only difference being that the internal combustion engine M is here relied upon to drive the blower C1.
- 50 of the differential gear is mounted on a-shaft 65 supported in bearings 63 and 64 and connected to the crank 'shaft of the internal combustion engine M by means of a clutch 66.
- an additional power engine such as A1 in Fig. 8, is dispensed with in the combination shown in Fig. 9.
- a machine set comprising in combination a working machine, a turbine, another power engine, a differential gear for transmitting power from said turbine and said engine to said ma chine and an overrunning clutch inserted between two relatively rotating members of said gear and coupling said parts, until the speed of said turbine exceeds that of said engine.
- the differential gear comprises two main wheels, a planet wheel and a cage ⁇ carrying said planet wheel.
- Vdifferential gear comprises two main wheels, a
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Description
March 7, 1939. F. N EUGEBAUER 2,149,785
' MACHINE SET y Filed June 8, 195'? 2 Sheets-Sheet 2 Fig 2 Inventor" Patentedl Mar. 7, 1939 MACHINE SET Franz Neugebauer, Dessau-Alten, Germany, assignor to Junkers Flugzeug-uncl-ll/Iotorenwerke Aktiengesellschaft, Dessau, Germany Application e In 8 Claims.
My invention relates to sets of machinery composed of a working machine such as a gas or liquid conveying machine and a power engine driving the working machine. It more particularly Yrelates to means for driving the working machine with the aid of two power engines, from which power is transmitted to the working machine by means of a differential gear and one of which is a turbine which only intermittently transmits power on the working machine.
It has already been proposed to drive the scavenging or charging blower of an internal combustion engine by means of a waste gas turbine and a separate auxiliary driving engine, the driven revolving member of the. blower being positively connected to the waste gas turbine and through a free wheel coupling to the auxiliary driving engine, for which, if desired, the crank shaft of the internal combustion engine may be substituted. Such a combination, however, involves the drawback that the total input of the blower must be supplied by the turbine whenever it is running at a higher angular velocity than the other driving engine.
It has also been suggested to drive a working machine (viz. the scavenging and charging blower of an internal combustion engine) by means of two power engines, one of which is a waste gas turbine, while the other may be an electromotor, theseengines driving the blower through a differential gear in such manner that the outputs of both engines are transmitted to the blower irre. spective of their speeds. In connection with such an arrangement it has been suggested to block the waste gas turbine or the member ofthe differential gear connected to it by means of a brake whenever no driving fluid is supplied to the turbine, particularly when starting the internal combustion engine, in order, to prevent a reverse run of the turbine owing to a lack of waste gas pressure suicient for the production of a torque, an undesired reduction 'of the driving speed of the scavenging and charging blower being thus avoided. Here, however, the drawback is inv Volved that a brake is required to block the turbine and that after unlocking the brake the turbine must be speeded up' from stoppage so that the turbine operates within a disadvantageo'usrange 4of its efficiency characteristic. A
It is an object of my invention to provide means for driving a working machine bymeans of two power engines transmitting power to the Working machine through a differential gear, one
GTI
`55. of the engines being an intermittently driving June 8, 1937, Serial No. 147,064 Germany June 15, 1936 (Cl. 'G0-13) lturbine, the drawbacks mentioned above beingl however avoided.
-I obtain this according to this invention by inserting` a free wheel coupling between two members of the differential gear that would ro- 5 tate relative to each other, if the working machine is assumed to be stopped and no driving fluid is delivered to the turbine, while the other power engine is running. Thus'the free wheel coupling will couple the members whenever no 10 driving fluid is delivered to the turbine, so that the working machine is driven and the turbine rotated in its normal direction of rotation, the free wheel coupling being disengaged only when owing t9 thedelivery of driving fluid the turbine 15 runs at higher speed. In such an arrangement locking brakes can be dispensed with since the turbiney is driven in its normal direction even if no driving fluid is delivered to it, and therefore already runs at an initial speed when the fluid 20 is delivered to it so that it can operate within a more advantageous range of its efficiency characteristic as compared to an acceleration from rest. Y
In the drawings aiiixed to this specification and 25 forming part thereof some'embodiments of my invention are illustrated diagrammatic'ally by- Way of example. l
In the drawings- Figs. 1 and 3 to 7 aredagrammaticillustra- 3o tions of some embodiments, each figure showing a Working machine,\ two power engines, and a differential gear, theA latter partly in section.
Fig, 2 is an enlarged section on the lines I-I-II of Fig. 1.l l
Figs. 8 to9illustrate the combination of an arrangement according to this invention with the scavenging and charging pump of an internal combustion engine. n
In all figures corresponding parts are desig- 40 nated by the same reference numerals.
l Referring iirst to Figs. 1 and 3 to 5, A is a power engine, the` shaft I of which ,carriesa toothed bevel wheel 3 forming part of 'an epicyclic gear.
B Vis a turbine, the shaft 2 of which carries an- 45 other toothed bevelwheel 4, also forming part of the epicyclic gear constituting the diierential gear. The latter further comprises a bevelledplanet wheel 5 engaging both wheels 3 and 4 and supported by al cage 6 rotatablyY mounted on the 50 shafts l, and 2. On the cage 6 is formed a toothed rim 1' engaging a toothed wheel8 mounted on the shaft 9 of the'v working machine C.
Referring more particularly to Figs. 1 yand 2,
. a freewheel coupling is inserted rbetween the as rollers or balls II arranged between an outer member I2 rigidly connected to or integral with the cage 6, and an inner toothed or cam member I keyed on to the shaft I, the outer surface of the member I0 being formed in the. .manner shownin Fig. 2, with gradually sloping-recesses.
The operation of this device is as follows: Whenever the power engine A'drives the shaft I in/.the direction indicated by the arrow a in Fig. 2fand no driving fluid is delivered to the turbine B, the free wheel coupling will couplethe shaft I and the cage 6, wheel 3 and cage 6 rotating at equal speeds so that the wheel 4 and the running member of the turbine B will be driven at equal speed. If, however, the turbine being supplied with driving iiuid, produces a driving torque, the shaft I will lag behind the cage 6 so that the free wheel coupling will be released and power will be transmitted from both engines A and B to the working machine C through the differential gear.
In the modified form shown in'Fig. 3 the free wheel coupling is inserted between the wheels 3 and 4 of the differential gear. It comprises an outer member I5 rigidly secured to the wheel 4 and surrounding the jamming members I4, while the inner member I3 is secured against rotation on an extension I of the shaft I.
In the embodiment of Fig. 4 the free wheel coupling is inserted between the planet wheel 5 and its supporting pin I6 and comprises an outer portion I9 connected to wheel 5, an inner portion I1 oonnected to the pin I6, and jamming members According to Fig. 5 a similar free wheel coupling comprising an inner member 20, jamming members 2l and an outer member 22, is inserted between 'the shaft 2 and the cage 6, the outer member 22 of the coupling being formed integral with the cage and the inner member 20 being fixed on the shaft 2.
The operationl of the devices shown in Figs. 3 to 5 is substantially the same as that of the de- `vice shown in Figs. 1 and 2 and need not be explained in detail.
Figs. 6 and 7 illustrate `further embodiments of this invention in which spur gear wheels are used instead ofrbevel gears.
Referring to Fig. 6, the shaft I of the power engine A carries a wheel 25 formed with an innertoothed rim, while the shaft 9 of the working machine C carries a toothed sun wheel 26. The cage 28 of the differential gear, which carries the planet wheel or wheels 21, is formed withan outer toothed rim 29 engaging a gear wheel 36 which is mounted on the shaft 2 of the turbine B. Between the shaft I and the cage 28 a free wheel coupling comprising the members 3l, 32, 33 is inserted.
'- which couples the shaft I with the cage 28, whenever the power engine A is running and no driving lhuid is delivered to the turbine B, the working machine C running at the same speed as the power engine A and the turbine running at a speed determined by the ratio of the toothed wheels 29 and 30.
The embodiment shown in Fig. 'l diers from that shown in Fig. 6 in that the power engine A and the turbine B are exchanged, the toothed .rim I25 being mounted on the shaft 2 of the turbine B; theshaft I of the powerengine A carrying a toothed wheel 3,9engaging a toothed ,rim 38 being rmomtedfon the external member 31 of the 75 free wheelcoupling 35, A36, 31,' member 31 being differential gear is similar in differential gear co -planet wheel and a cage carrying said planet u integral with the cage |28 of the differential gear.
Fig. 8 illustrates my invention as applied to the driving of the scavenging and charging blower C1 of an internal combustion/@gina The discharge side of the blower C1 is connected by means of a pipe 46 to the intake ports (not shown) of the cylinders 45 of the internal combustion engine M. The blower is driven by a power engine Ai (electromotor) and a waste gas turbine'B1, to which the exhaust gases of the engine M are fed through a pipe 41 connecting the exhaust ports (not shown) of the cylinders 45 to the turbine B1. Power is transmitted from the power engine A1 and ythe waste gas turbine B1 to the blower C1 through the differential gear, the wheel 50 of which is mounted on the shaft 5I of the power engine A1, while the wheel 52 is mounted on the shaft 53 of the waste gas turbine B1. The cagev 55 carrying the planet wheels 54 is formed with an outer toothed rim 56 engaging a wheel 51 mounted on the shaft 58 of the blower C1. A free I wheel coupling 60, 6I, 621s inserted between the shaft 5I of the power engine A1 and the cage 55 of the differential gear. The inner member 60 of the coupling is fixed on the shaft 5I, the outer member 62 enclosing the jamming members 6I is secured to the cage 55. The operation of the all respects to that of the gear described in connection with Fig. 1.
Fig. 9 illustrates similar means for driving the scavenging and charging blower C1 of an internal combustion engine, the only difference being that the internal combustion engine M is here relied upon to drive the blower C1. In order to accomplish this, the wheel |50 of the differential gear is mounted on a-shaft 65 supported in bearings 63 and 64 and connected to the crank 'shaft of the internal combustion engine M by means of a clutch 66. Thus an additional power engine, such as A1 in Fig. 8, is dispensed with in the combination shown in Fig. 9.
I wish it to be understood that I do not desire to be limited to the exact details of construction shown and described for obvious modifications will occur to a person skilled in the art.
Various changes may be made in the details disclosed in the foregoing specification without departing fromv the invention or sacricing the advantages thereof.
I claim:
1. A machine set comprising in combination a working machine, a turbine, another power engine, a differential gear for transmitting power from said turbine and said engine to said ma chine and an overrunning clutch inserted between two relatively rotating members of said gear and coupling said parts, until the speed of said turbine exceeds that of said engine.
2. The machine set of claim 1, in which the differential gear comprises two main wheels, a planet wheel and a cage `carrying said planet wheel.
Vdifferential gear comprises two main wheels, a
planet wheel anda cage carrying said planet wheel and the overrunning clutch is arranged betweenone of said main wheels and said cage.
, 5. The machine set of claim 1, in which the rises two main wheels, a
wheel and the overrunning clutch is arranged' between said twomain wheels.
6. The machine set -of claim 1, in which the differential gear comprises two main wheels, a planet wheel and a cage carrying lsaid planet wheel and the overrunning clutch is arranged between said planet wheel and said cage. I 1
'7. The machine set of claim 1, in which the working machine is 'the scavenging and charging 10 blower of an intemalvcombustion engine and the is a waste gas turbine driven turbine is a waste gas turbine driven by the exhaust gases oi'said engine.
8. The machine set of claim 1, in which the forms the-other power engine, while the turbine by the exhaust gases of said engine. f f
FRANZ NEUGEBAUER.
working machine is thescavenging and charging 'blower of an internal combustion engine which
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE2149785X | 1936-06-15 |
Publications (1)
Publication Number | Publication Date |
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US2149785A true US2149785A (en) | 1939-03-07 |
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US147064A Expired - Lifetime US2149785A (en) | 1936-06-15 | 1937-06-08 | Machine set |
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Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2467077A (en) * | 1943-10-13 | 1949-04-12 | White Motor Co | Driving mechanism for engine accessories |
US2505713A (en) * | 1944-04-06 | 1950-04-25 | Packard Motor Car Co | Supercharger driving mechanism |
US2561090A (en) * | 1942-11-18 | 1951-07-17 | Vickers Electrical Co Ltd | Power plant, including normally contrarotating turbine elements for driving a load shaft and means for rotating said elements in the same direction when the turbine is idling |
US2667344A (en) * | 1951-07-02 | 1954-01-26 | Curtiss Wright Corp | Acceleration stabilized synchoronizer |
US2688839A (en) * | 1948-12-31 | 1954-09-14 | Daub Rudolph | Internal-combustion engine with auxiliary exhaust turbine |
US2852084A (en) * | 1953-11-19 | 1958-09-16 | Glamann Wilhelm | Power transmission construction for supercharged internal combustion engines |
US2880571A (en) * | 1953-01-05 | 1959-04-07 | Glamann Wilhelm | Devices for varying the power and drive of internal combustion engine vehicles |
US2971402A (en) * | 1959-02-24 | 1961-02-14 | Charles L Lovercheck | Dual engine |
US2981063A (en) * | 1957-06-17 | 1961-04-25 | Wickman Axel Charles | Variable speed power transmission mechanisms |
US2984975A (en) * | 1955-06-22 | 1961-05-23 | Bristol Siddeley Engines Ltd | Oil pump drives for propeller-gas turbine engine installations |
US3090194A (en) * | 1956-10-12 | 1963-05-21 | Differential Diesel | Internal combustion engines |
DE1245647B (en) * | 1962-10-18 | 1967-07-27 | Frank Julius Wallace | Drive compound machine |
US3379385A (en) * | 1965-09-03 | 1968-04-23 | Price Brothers Co | Machine for tensioning and winding wire onto pipe |
US3430517A (en) * | 1966-01-07 | 1969-03-04 | Paul Wilhelm Glamann | Vehicle transmissions |
US3466946A (en) * | 1966-11-15 | 1969-09-16 | Toyota Motor Co Ltd | Transmission gear device using differential mechanism |
US4145888A (en) * | 1977-06-20 | 1979-03-27 | Borg-Warner Corporation | Combined turbocharger and accessory drive |
US5087230A (en) * | 1989-10-23 | 1992-02-11 | Northern Engineering Industries Plc | Drive transmissions |
US5273497A (en) * | 1992-10-16 | 1993-12-28 | Wallace Associated Research | Mechanical transmission with infinite-ratio gearing |
US20100199956A1 (en) * | 2007-07-24 | 2010-08-12 | Kasi Forvaltning I Goteborg Ab | Enhanced supercharging system and an internal combustion engine having such a system |
-
1937
- 1937-06-08 US US147064A patent/US2149785A/en not_active Expired - Lifetime
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2561090A (en) * | 1942-11-18 | 1951-07-17 | Vickers Electrical Co Ltd | Power plant, including normally contrarotating turbine elements for driving a load shaft and means for rotating said elements in the same direction when the turbine is idling |
US2467077A (en) * | 1943-10-13 | 1949-04-12 | White Motor Co | Driving mechanism for engine accessories |
US2505713A (en) * | 1944-04-06 | 1950-04-25 | Packard Motor Car Co | Supercharger driving mechanism |
US2688839A (en) * | 1948-12-31 | 1954-09-14 | Daub Rudolph | Internal-combustion engine with auxiliary exhaust turbine |
US2667344A (en) * | 1951-07-02 | 1954-01-26 | Curtiss Wright Corp | Acceleration stabilized synchoronizer |
US2880571A (en) * | 1953-01-05 | 1959-04-07 | Glamann Wilhelm | Devices for varying the power and drive of internal combustion engine vehicles |
US2852084A (en) * | 1953-11-19 | 1958-09-16 | Glamann Wilhelm | Power transmission construction for supercharged internal combustion engines |
US2984975A (en) * | 1955-06-22 | 1961-05-23 | Bristol Siddeley Engines Ltd | Oil pump drives for propeller-gas turbine engine installations |
US3090194A (en) * | 1956-10-12 | 1963-05-21 | Differential Diesel | Internal combustion engines |
US2981063A (en) * | 1957-06-17 | 1961-04-25 | Wickman Axel Charles | Variable speed power transmission mechanisms |
US2971402A (en) * | 1959-02-24 | 1961-02-14 | Charles L Lovercheck | Dual engine |
DE1245647B (en) * | 1962-10-18 | 1967-07-27 | Frank Julius Wallace | Drive compound machine |
US3379385A (en) * | 1965-09-03 | 1968-04-23 | Price Brothers Co | Machine for tensioning and winding wire onto pipe |
US3430517A (en) * | 1966-01-07 | 1969-03-04 | Paul Wilhelm Glamann | Vehicle transmissions |
US3466946A (en) * | 1966-11-15 | 1969-09-16 | Toyota Motor Co Ltd | Transmission gear device using differential mechanism |
US4145888A (en) * | 1977-06-20 | 1979-03-27 | Borg-Warner Corporation | Combined turbocharger and accessory drive |
US5087230A (en) * | 1989-10-23 | 1992-02-11 | Northern Engineering Industries Plc | Drive transmissions |
US5273497A (en) * | 1992-10-16 | 1993-12-28 | Wallace Associated Research | Mechanical transmission with infinite-ratio gearing |
US5354245A (en) * | 1992-10-16 | 1994-10-11 | Wallace Associated Research | Continuously variable speed planetary gear apparatus |
US20100199956A1 (en) * | 2007-07-24 | 2010-08-12 | Kasi Forvaltning I Goteborg Ab | Enhanced supercharging system and an internal combustion engine having such a system |
US20110126536A1 (en) * | 2007-07-24 | 2011-06-02 | Kasi Forvaltning I Goteborg Ab | Enhanced supercharging system and an internal combustion engine having such a system |
US20110131983A1 (en) * | 2007-07-24 | 2011-06-09 | Kasi Forvaltning I Goteborg Ab | Enhanced supercharging system and an internal combustion engine having such a system |
US20110131984A1 (en) * | 2007-07-24 | 2011-06-09 | Kasi Forvaltning I Goteborg Ab | Enhanced supercharging system and an internal combustion engine having such a system |
US20110138808A1 (en) * | 2007-07-24 | 2011-06-16 | Kasi Forvaltning I Goteborg Ab | New enhanced supercharging system and an internal combustion engine having such a system |
US8490393B2 (en) | 2007-07-24 | 2013-07-23 | Kasi Technologies Ab | Enhanced supercharging system and an internal combustion engine having such a system |
US8490394B2 (en) * | 2007-07-24 | 2013-07-23 | Kasi Technologies Ab | Enhanced supercharging system and an internal combustion engine having such a system |
US8522550B2 (en) | 2007-07-24 | 2013-09-03 | Kasi Technologies Ab | Enhanced supercharging system and an internal combustion engine having such a system |
US8528330B2 (en) | 2007-07-24 | 2013-09-10 | Kasi Technologies Ab | Enhanced supercharging system and an internal combustion engine having such a system |
US8528331B2 (en) | 2007-07-24 | 2013-09-10 | Kasi Technologies Ab | Enhanced supercharging system and an internal combustion engine having such a system |
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