CN103671802A - Launch torus torque converter - Google Patents

Launch torus torque converter Download PDF

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Publication number
CN103671802A
CN103671802A CN201310423003.1A CN201310423003A CN103671802A CN 103671802 A CN103671802 A CN 103671802A CN 201310423003 A CN201310423003 A CN 201310423003A CN 103671802 A CN103671802 A CN 103671802A
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China
Prior art keywords
torque converter
stator
stator vane
core
component
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CN201310423003.1A
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Chinese (zh)
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J.M.施维策尔
S.周
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GM Global Technology Operations LLC
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GM Global Technology Operations LLC
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Publication of CN103671802A publication Critical patent/CN103671802A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H41/00—Rotary fluid gearing of the hydrokinetic type
    • F16H41/04—Combined pump-turbine units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H41/00—Rotary fluid gearing of the hydrokinetic type
    • F16H41/24—Details
    • F16H41/26—Shape of runner blades or channels with respect to function

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)

Abstract

The present invention provides a launch torus torque converter. The torque converter has an impeller, a turbine, and a stator disposed between the impeller and the turbine. The torque converter has an axially thin design, with a torus width to torque converter diameter ratio of about 0.15 to 0.17, by way of example. In some variations, the stator has twisted blades that have lower shell blade angles than core blade angles with respect to the center line of torque converter flow, at both the inlet and outlet.

Description

Starting ring body torque converter
The cross reference of related application
The application requires the rights and interests of the U.S. Provisional Application No.61/702033 of submission on September 17th, 2012.More than the open of application is combined in herein by reference.
Technical field
The disclosure relates to fluid dynamic driving mechanism, and more specifically, relates to and comprise impeller, turbine, and the torque converter assembly of stator.
Background technique
The statement of this part only provides about background information of the present disclosure, and can form prior art, or can not form prior art.
Current automatic power speed changer generally includes fluid dynamic input device, such as torque converter or tprque convertor.Torque converter automatically makes the engine output shaft of rotation and transmission input shaft throw off during vehicle idling state, so that vehicle can stop and can not make engine stall.Torque converter also plays the effect of torque multiplier, and it increases the Engine torque that is delivered to speed changer in low-speed range, until torque converter output speed is about and input (motor) speeds match.
Torque converter comprises three wheels of the fan-shaped with blade: engine-driven impeller, fluid turbine, and fluid stator.Engine-driven impeller accelerates to lead to turbine fluid.Turbine is transformed into mechanical energy by the fluid energy from impeller, and it is passed to the input shaft of speed changer.The stator mechanism being arranged between the fluid input of impeller and the fluid output of turbine makes to redirect to impeller from the fluid of turbine, improves thus flow efficiency, and improves the multiple torque of hydrodynamic torque converter.Fluid originally radially transmits from the inside ring body segment base of impeller to external ring body path, and then in basic ring body path, transmits and get back to stator by the path in turbine.
Stator is comprised of a plurality of stator vanes, and they are connected to the interior section of comparison circlet-housing at one end, and are connected to larger ring-core at the other end place.The fluid that flows through stator transmits along stator vane.These blades force fluid to change direction, thereby the fluid that leaves stator enters pump, along with pump rotating photo with direction flow, preserve thus power.
One of tolerance of torque converter performance is " k-factor ".K-factor is that the torque converter input speed of measuring at any torque converter operating point place is exported subduplicate ratio with Engine torque." operating point " of torque converter be again typically by recently the limiting of output speed and input speed, and this is than also referred to as velocity ratio.
Torque converter occupies the space in powertrain assembly, and space is of great rarity.The speed changer with high gear content leaves the less axial space for torque converter.Yet typically the known torque converter with compact vertically ring body is born the cavitation risk of increase, this can increase k-factor and can present undesirable noise.In the situation that all conditions is identical, be desirably in whole speed than obtaining low k-factor in scope.The energy transfer efficiency of the raising by torque converter is also the target of high expectations.Therefore, have the demand for following torque converter: it can match in little axial space, but it still can meet the design object for the hope of the overall performance of k-factor and torque converter.
Summary of the invention
The disclosure provides torque converter, and it has: compact ring body vertically, and in the situation that the axial extent of given ring body provides the blade of against expectation good hydrodynamic performance.In certain embodiments, torque converter has high k-factor and extends and connection ability, to realize closely electronic control capacity clutch (ECCC) slip velocity, controls.
In a kind of modification, torque converter is provided, it comprises toroidal shell, pump parts, turbine part and stator component.Turbine part is relative with pump parts.In a kind of modification, torque converter has about 0.15 to 0.17 ring body width and torque converter diameter ratio.
In certain embodiments, torque converter disclosed herein has one or more in following characteristic: about Aspect Ratio of 0.73 to 0.78 (ring body width is divided by ring body height); About channel height of 0.053 to 0.057 and torque converter diameter ratio; About 0.55 to about 0.61 ring body position (2 are multiplied by stator case radius divided by torque converter diameter); About 75% to 90% the ring body area score cloth at local length's mark place; About 0.89 to 0.90 connection velocity ratio; About 1.01 to the 1.10 (K that is detained cp/ K s); At housing place, than at core place, there is the stator ring body of length; The ring body length at about 1.2 to 1.9 housing place and the ring body length ratio at core place; At housing place, than at core place, there is the stator vane of the torsion of less blade angle; The entrance core angle with about 12 to 17 degree deducts the stator vane of the difference at suction casing angle; And the outlet core angle with about 9 to 22 degree deducts the stator vane of the difference at outlet housing angle.
In a kind of modification that can be combined with other modification described herein or separate with them, provide a kind of torque converter for motor vehicle.This torque converter comprises and is configured to the wheel member that the prime mover by motor vehicle hydraulically drives, and is configured to so that the turbine part that receives fluid energy and fluid energy is converted to mechanical energy from wheel member.This turbine part and wheel member relatively arrange.This wheel member and turbine part cooperate to limit ring body width L twith torque converter diameter D.Stator component is arranged between wheel member and turbine part.This stator component is configured to increase the multiple torque of torque converter.This torque converter has the ring body width L arriving in about 0.17 scope about 0.15 tratio (L with torque converter diameter D t/ D).
In the another kind of modification that can be combined with other modification described herein or separate with them, provide a kind of torque converter for motor vehicle.This torque converter comprises and is configured to the wheel member that the prime mover by motor vehicle hydraulically drives, and is configured to so that the turbine part that receives fluid energy and fluid energy is converted to mechanical energy from wheel member.This turbine part and wheel member relatively arrange.Stator component is arranged between wheel member and turbine part.This stator component is configured to increase the multiple torque of torque converter.This stator component has a plurality of stator vanes.Each stator vane in the plurality of stator vane extends with entrance core stator vane angle θ with respect to the center line C of torque converter stream at the core side place of stator component and the inlet side place of stator component.At the core side place of stator component and the outlet side place of stator component, the center line C with respect to torque converter stream extends with outlet core stator vane angle γ each stator vane.In addition, each stator vane extends with suction casing stator vane angle α with respect to the center line C of torque converter stream at the case side place of stator component and the inlet side place of stator component, and each stator vane at the case side place of stator component and the outlet side place of stator component, the center line C with respect to torque converter stream extends with outlet housing stator vane angle β.Suction casing stator vane angle α is less than entrance core stator vane angle θ, and outlet housing stator vane angle β is less than outlet core stator vane angle γ.
In addition, the invention still further relates to following technological scheme.
1. for a torque converter for motor vehicle, described torque converter comprises:
Wheel member, is configured to hydraulically be driven by prime mover of described motor vehicle;
Turbine part, be configured to receive fluid energy and convert described fluid energy to mechanical energy from described wheel member, it is relative with described wheel member that described turbine part is arranged to, and described wheel member and described turbine part cooperate to limit ring body width Lt and torque converter diameter D; And
Stator component, is arranged between described wheel member and described turbine part, and described stator component is configured to increase the multiple torque of described torque converter, wherein
Described torque converter has about 0.15 to the ring body width L in about 0.17 scope tratio (L with torque converter diameter D t/ D).
2. according to the torque converter described in technological scheme 1, it is characterized in that, described stator component has a plurality of stator vanes, and the plurality of stator vane comprises that about 20 to about 42 stator vanes.
3. according to the torque converter described in technological scheme 2, it is characterized in that, described wheel member and described turbine part cooperate with stop collar height d, and described torque converter has about 0.73 to Aspect Ratio (the ring body width L in about 0.78 scope tdivided by ring body height d, L t/ d).
4. according to the torque converter described in technological scheme 3, it is characterized in that, described torque converter has the ratio (h/D) of about 0.053 to about 0.057 ring body channel height h and torque converter diameter D.
5. according to the torque converter described in technological scheme 4, it is characterized in that, described stator component defines stator case radius R s, described torque converter has that (2 are multiplied by described stator case radius R to the ring body position in about 0.61 scope about 0.55 sdivided by described torque converter diameter D, 2*R s/ D).
6. according to the torque converter described in technological scheme 5, it is characterized in that, at least one in described wheel member and described turbine part defines the ring body area score cloth reducing with the amount in about scope of 75% to 90% along the ring body length T L of in described wheel member and described turbine part.
7. according to the torque converter described in technological scheme 6, it is characterized in that, each stator vane extends with entrance core stator vane angle θ with respect to the center line C of torque converter stream at the core side place of described stator component and the inlet side place of described stator component; Wherein, at the described core side place of described stator component and the outlet side place of described stator component, the center line C with respect to torque converter stream extends with outlet core stator vane angle γ each stator vane; Wherein, each stator vane extends with suction casing stator vane angle α with respect to the center line C of torque converter stream at the case side place of described stator component and the described inlet side place of described stator component; Wherein, at the described case side of described stator component and the described outlet side place of described stator component, the center line C with respect to torque converter stream extends with outlet housing stator vane angle β each stator vane; Wherein, described suction casing stator vane angle α is less than described entrance core stator vane angle θ; And wherein, described outlet housing stator vane angle β is less than described outlet core stator vane angle γ.
8. according to the torque converter described in technological scheme 7, it is characterized in that, described entrance core stator vane angle θ deducts described suction casing stator vane angle α in the scope of about 12 ° to about 17 °; And wherein, described outlet core stator vane angle γ deducts described outlet housing stator vane angle β in the scope of about 9 ° to about 22 °.
9. according to the torque converter described in technological scheme 8, it is characterized in that, each stator vane reverses, and at the case side place of described stator component than thering is larger two dimensional extent at the core side place of described stator component.
10. according to the torque converter described in technological scheme 9, it is characterized in that, each stator vane has shell length Ls at the described case side place of described stator component s, and each stator vane has core length L s at the described core side place of described stator component c, described shell length Ls swith described core length L s cratio about 1.2 to about 1.9 scope.
11. according to the torque converter described in technological scheme 10, it is characterized in that, described wheel member has 37 pump blades.
12. according to the torque converter described in technological scheme 11, it is characterized in that, described turbine part has 35 turbine blades.
13. according to the torque converter described in technological scheme 1, it is characterized in that, described torque converter has about 0.89 to the connection velocity ratio in about 0.90 scope.
14. according to the torque converter described in technological scheme 13, it is characterized in that, described torque converter have about 1.01 to being detained in about 1.10 scope (described connection speed than the k-factor at place divided by stall than the k-factor at place, K cp/ K s).
15. according to the torque converter described in technological scheme 14, it is characterized in that, described ring body width L tratio (L with torque converter diameter D t/ D) be about 0.16.
16. 1 kinds of torque converters for motor vehicle, described torque converter comprises:
Wheel member, is configured to hydraulically be driven by prime mover of described motor vehicle;
Turbine part, is configured to receive fluid energy and convert described fluid energy to mechanical energy from described wheel member, and it is relative with described wheel member that described turbine part is arranged to; And
Stator component, be arranged between described wheel member and described turbine part, described stator component is configured to increase the multiple torque of described torque converter, described stator component has a plurality of stator vanes, wherein, each stator vane in the plurality of stator vane extends with entrance core stator vane angle θ with respect to the center line C of torque converter stream at the core side of described stator component and the inlet side place of described stator component; Wherein, at the described core side of described stator component and the outlet side place of described stator component, the center line C with respect to torque converter stream extends with outlet core stator vane angle γ each stator vane; Wherein, each stator vane extends with suction casing stator vane angle α with respect to the center line C of torque converter stream at the case side place of described stator component and the inlet side place of described stator component; Wherein, at the described case side place of described stator component and the described outlet side place of described stator component, the center line C with respect to torque converter stream extends with outlet housing stator vane angle β each stator vane; Wherein, described suction casing stator vane angle α is less than described entrance core stator vane angle θ; And wherein, described outlet housing stator vane angle β is less than described outlet core stator vane angle γ.
17. according to the torque converter described in technological scheme 16, it is characterized in that, described entrance core stator vane angle θ deducts described suction casing stator vane angle α in the scope of about 12-17 °; And wherein, described outlet core stator vane angle γ deducts described outlet housing stator vane angle β in the scope of about 9-22 °.
18. according to the torque converter described in technological scheme 17, it is characterized in that, each stator vane reverses, and at the described case side place of described stator component than thering is larger two dimensional extent at the described core side place of described stator.
19. according to the torque converter described in technological scheme 18, it is characterized in that, each stator vane has shell length Ls at the described case side place of described stator component s, and each stator vane has core length L s at the described core side place of described stator component c, described shell length Ls swith described core length L s cratio about 1.2 to about 1.9 scope.
20. according to the torque converter described in technological scheme 18, it is characterized in that, described wheel member has 37 pump blades, and wherein, described turbine part has 35 turbine blades, and wherein, the plurality of stator vane comprises about 20-42 stator vane.
By with reference to the following description and drawings, other feature of the present invention and aspect will become apparent, and wherein, identical reference number refers to identical member, element or feature.
Accompanying drawing explanation
Accompanying drawing as herein described is only for schematic object, and is not intended to limit by any way the scope of the present disclosure.
Fig. 1 is according to the schematic diagram of the torque converter of principle of the present disclosure;
According to principle of the present disclosure, Fig. 2 A is the chart of the ring body Area Ratio that becomes along with the ring body length mark of the torque converter of Fig. 1;
According to principle of the present disclosure, Fig. 2 B is by the schematic sectional view of the flow path of the controlled area ring body part of the torque converter of Fig. 1;
According to principle of the present disclosure, Fig. 3 A is the planimetric map for a part for the stator of the torque converter for Fig. 1;
According to principle of the present disclosure, Fig. 3 B is the side view of the stator of Fig. 3 A;
According to principle of the present disclosure, Fig. 3 C is the schematic sectional view of blade of the stator of Fig. 3 A-3B, and its line 3C-3C along Fig. 3 A at stator core place obtains;
According to principle of the present disclosure, Fig. 3 D is the schematic sectional view of blade of the stator of Fig. 3 A-3B, and its line 3D-3D along Fig. 3 A at stator case place obtains; And
According to principle of the present invention, Fig. 4 is the chart with torque ratio, k-factor and the efficiency of the speed ratio variation of four kinds of modification of the torque converter of Fig. 1.
Embodiment
Referring to accompanying drawing, wherein identical reference number refers to identical member, in Fig. 1, for according to the schematic diagram of the torque converter 10 shown in one embodiment of the invention.Torque converter 10 is arranged in vehicle, between power source or prime mover 12 and speed changer 14.Prime mover 12 is for example motor or motor, and can operate and provide moment of torsion for rotatable engine output shaft 16.Should understand, can use prime mover of other type and not depart from scope of the present invention.
Speed changer 14 comprises at least one rotatable transmission input shaft 18 substantially, and it transfers torque to a plurality of gear trains, and a plurality of axles, and a plurality of torque-transmitting mechanisms (not shown), to provide a plurality of velocity ratios or gear ratio.Should understand, shown input shaft 18 can alternatively be considered to the output shaft of torque converter 10, and can be the independent axle that is rotatably connected to transmission input shaft.The plurality of axle can comprise countershaft or countershaft, sleeve and central shaft, reverse or idling axle, or its combination.Should understand, the concrete layout of the axle in the concrete layout of gear train and quantity and speed changer 14 and quantity can change to some extent and can not depart from the scope of the present disclosure.
Torque converter 10 comprises pump or impeller 20 and is arranged to the turbine 22 relative with impeller 20.Stator 24 is arranged between the interior section of turbine 22 and the interior section of impeller 20, as schematically illustrated in Fig. 1.Impeller 20 shapes are roughly annular, and comprise a plurality of fins or blade (not shown), it is oriented to rotating energy is delivered to the hydraulic fluid (not shown) being arranged in the toroidal shell (not shown) of surrounding impeller 20, turbine 22 and stator 24 from impeller 20.Turbine 22 shapes are annular substantially, and comprise a plurality of fins or blade (not shown), and they are relative with impeller 20, and are oriented to rotating energy is delivered to turbine 22 from hydraulic fluid (not shown).
Stator 24 can rotatably be connected to stationary axle 28 by overrunning clutch 26.Stator 24 comprises a plurality of angled fins or blade (do not show in Fig. 1, see Fig. 3 A-3B), and they radially and along circumferential extend from stator 24 center, to the hydraulic fluid that leaves turbine 22 is turned to.Overrunning clutch 26 allows stator 24 to rotate in the sense of rotation of impeller 20, and stops or prevent that stator 24 from rotating in the contrary sense of rotation of the sense of rotation with impeller 20.In the example providing, stationary axle 28 is connected to the fixed component in speed changer.
Torque converter 10 has compact vertically ring body design, makes ring body width (L t) with the ratio (L of torque converter diameter D t/ D) be about 0.15 to 0.17, and in some modification, be about 0.16 or 0.163.Following table 1 provides other parameter, and they define an embodiment of torque converter 10.The variable using mode with chart in Fig. 1 illustrates.For example, Fig. 1 schematically shows torque converter diameter D, ring body width L t, channel height h, stator case radius R s, ring body height d, the stator vane two dimensional extent Ls at core place cthe stator vane two dimensional extent Ls at (describing in further detail below) and housing place s(describing in further detail below).
In certain embodiments, can think that the value in table 1 is accurately, or in other embodiments, be similar to.Therefore, torque converter 10 comprises about 0.15 to 0.17 ring body width L tratio (L with torque converter diameter D t/ D), Aspect Ratio (L of about 0.73 to 0.78 t/ d), the ratio (h/D) of about 0.053 to 0.057 channel height h and torque converter diameter D, about 0.55 to 0.61 ring body position (2*Rs/D), and about 75% to 90% ring body area score cloth.
In other modification, comprise that the shape and size of the torque converter 10 of impeller 20, turbine 22 and stator 24 can be considered and change to some extent aspect length, width and other size based on design.For example, torque converter 10 can have larger torque converter diameter D, keeps about 0.15 to 0.17 or about 0.16 or 0.163 identical L simultaneously t/ D ratio.
Torque converter 10 can have controlled ring body flow area ratio, as jointly transferred GM Global Technology Operations, the global technology of Inc.(GM Co., Ltd) U.S. Patent No. 7,082, disclosed in 755, it is combined in herein with its integral body by reference.For example, referring to Fig. 2 A-2B, controlled ring body Area Ratio is in the mode of chart and schematically illustrated.Half of ring body 30 that has shown torque converter 10.For impeller 20, entrance indicates with reference number 34, and for turbine 22, with 32 signs.As in Fig. 2 A with as shown in the mode of chart, total ring body flow area is than reducing to the smallest point M about 0.6 to 0.8 ring body length mark (it is the distance along ring body length T L) from turbine inlet 32.From smallest point M, play the outlet 34 of turbine 22, total ring body flow area is than increasing.Therefore, for example, as pointed in table 1, ring body area score cloth reduces the amount of 75% to 90% scope along ring body length T L.This variation of total flow area ratio reduces or has eliminated otherwise may occur in the energy loss in flow path.In this embodiment, turbine 22 and impeller 20 both have ring body structurc, and wherein, (for turbine 22, it is 32 to the entrance of passage 36, and it is 34 for impeller 20) larger than central ring area aspect long-pending at anchor ring, particularly at smallest point M place.
Referring now to Fig. 1,3A-3D and table 2,, the details of a kind of modification of stator 24 has been described.Stator 24 has housing 38, core 40 and a plurality of stator vane 42.Torque converter 10 can have than the blade of the higher quantity of traditional design.For example, impeller 20 can have 37 pump blade (not shown), and turbine 22 can have 35 turbine blade (not shown).Stator 24 can have 20-42 stator vane 42, and this depends on the k-factor of hope.Each stator vane 42 has the first end 44 being fixed on stator case 38 and is fixed to the second end 46 on stator core 40.
Referring to Fig. 3 C, shown the sectional view of stator vane 42 core 40 places, that the line 3C-3C in Fig. 3 A obtains.The center line C that stator vane 42 flows with respect to torque converter at core 40 places of the inlet side 48 of stator 24 extends with angle θ.The center line C that stator vane 42 flows with respect to torque converter at core 40 places of the outlet side 50 of stator 24 extends with angle γ.Referring to Fig. 3 D, it is one of them the sectional view of stator vane 42 of Fig. 3 C, at housing 38 places of stator 24, along the line 3D-3D in Fig. 3 A, obtains.The center line C that stator vane 42 flows with respect to torque converter at housing 38 places of the inlet side 48 of stator 24 extends with angle α.The center line C that stator vane 42 flows with respect to torque converter at housing 38 places of the outlet side 50 of stator 24 extends with angle β.Blade 42 reverses, and makes inlet side and outlet side 48,50 both places at stator 24, and with the core blade angle θ at core 40 places, γ compares, and they have less housing blade angle α, β at housing 38 places.For example, entrance core angle θ deducts suction casing angle α and can be about 12-17 degree; And for example, outlet core angle γ deducts outlet housing angle β and can be about 9-22 degree.
Stator vane 42 also can be at housing place than having longer two dimensional extent at core place.For example, the stator vane length L s at housing place sbe greater than the stator vane length L s at core place c(see Fig. 1, it illustrates for chart, but since the schematic character of the stator 24 in Fig. 1, Ls sdo not show and compare Ls clarger).For example, the stator vane length L s at housing place sstator vane length L s with core place cratio can be about 1.2 to 1.9.The blade angle at housing and core place and stator length parameter are also displayed in Table 2.
Figure 958447DEST_PATH_IMAGE002
Referring now to Fig. 4 and table 3,, about torque converter 10A, 10B, 10C, four kinds of different k-factor designs of 10D, show torque converter performance.With speed than the torque ratio changing at torque converter data 10A, 10B, 10C, group 52 places of 10D illustrate.With speed than the k-factor changing at torque converter data 10A, 10B, 10C, group 54 places of 10D illustrate.With speed than the efficiency changing at torque converter data 10A, 10B, 10C, group 56 places of 10D illustrate.For torque converter 10A-10D, torque converter 10A-10D has about 0.89 to 0.90 connection velocity ratio and about 1.01 to the 1.10 (K that is detained cp/ K s), K wherein cpthe k-factor at connection speed ratio place, and K sthat stall is than the k-factor at place.Table 3 has also shown these parameters.
Figure DEST_PATH_IMAGE003
In illustrative in nature of the present invention, be only exemplary, and the modification intention that does not depart from general essence of the present invention is in scope of the present invention.Do not think that such modification departs from the spirit and scope of the present invention.

Claims (10)

1. for a torque converter for motor vehicle, described torque converter comprises:
Wheel member, is configured to hydraulically be driven by prime mover of described motor vehicle;
Turbine part, be configured to receive fluid energy and convert described fluid energy to mechanical energy from described wheel member, it is relative with described wheel member that described turbine part is arranged to, and described wheel member and described turbine part cooperate to limit ring body width Lt and torque converter diameter D; And
Stator component, is arranged between described wheel member and described turbine part, and described stator component is configured to increase the multiple torque of described torque converter, wherein
Described torque converter has about 0.15 to the ring body width L in about 0.17 scope tratio (L with torque converter diameter D t/ D).
2. torque converter according to claim 1, is characterized in that, described stator component has a plurality of stator vanes, and the plurality of stator vane comprises that about 20 to about 42 stator vanes.
3. torque converter according to claim 2, is characterized in that, described wheel member and described turbine part cooperate with stop collar height d, and described torque converter has about 0.73 to Aspect Ratio (the ring body width L in about 0.78 scope tdivided by ring body height d, L t/ d).
4. torque converter according to claim 3, is characterized in that, described torque converter has the ratio (h/D) of about 0.053 to about 0.057 ring body channel height h and torque converter diameter D.
5. torque converter according to claim 4, is characterized in that, described stator component defines stator case radius R s, described torque converter has that (2 are multiplied by described stator case radius R to the ring body position in about 0.61 scope about 0.55 sdivided by described torque converter diameter D, 2*R s/ D).
6. torque converter according to claim 5, it is characterized in that, at least one in described wheel member and described turbine part defines the ring body area score cloth reducing with the amount in about scope of 75% to 90% along the ring body length T L of in described wheel member and described turbine part.
7. torque converter according to claim 6, is characterized in that, each stator vane extends with entrance core stator vane angle θ with respect to the center line C of torque converter stream at the core side place of described stator component and the inlet side place of described stator component; Wherein, at the described core side place of described stator component and the outlet side place of described stator component, the center line C with respect to torque converter stream extends with outlet core stator vane angle γ each stator vane; Wherein, each stator vane extends with suction casing stator vane angle α with respect to the center line C of torque converter stream at the case side place of described stator component and the described inlet side place of described stator component; Wherein, at the described case side of described stator component and the described outlet side place of described stator component, the center line C with respect to torque converter stream extends with outlet housing stator vane angle β each stator vane; Wherein, described suction casing stator vane angle α is less than described entrance core stator vane angle θ; And wherein, described outlet housing stator vane angle β is less than described outlet core stator vane angle γ.
8. torque converter according to claim 7, is characterized in that, described entrance core stator vane angle θ deducts described suction casing stator vane angle α in the scope of about 12 ° to about 17 °; And wherein, described outlet core stator vane angle γ deducts described outlet housing stator vane angle β in the scope of about 9 ° to about 22 °.
9. torque converter according to claim 8, is characterized in that, each stator vane reverses, and at the case side place of described stator component than thering is larger two dimensional extent at the core side place of described stator component.
10. for a torque converter for motor vehicle, described torque converter comprises:
Wheel member, is configured to hydraulically be driven by prime mover of described motor vehicle;
Turbine part, is configured to receive fluid energy and convert described fluid energy to mechanical energy from described wheel member, and it is relative with described wheel member that described turbine part is arranged to; And
Stator component, be arranged between described wheel member and described turbine part, described stator component is configured to increase the multiple torque of described torque converter, described stator component has a plurality of stator vanes, wherein, each stator vane in the plurality of stator vane extends with entrance core stator vane angle θ with respect to the center line C of torque converter stream at the core side of described stator component and the inlet side place of described stator component; Wherein, at the described core side of described stator component and the outlet side place of described stator component, the center line C with respect to torque converter stream extends with outlet core stator vane angle γ each stator vane; Wherein, each stator vane extends with suction casing stator vane angle α with respect to the center line C of torque converter stream at the case side place of described stator component and the inlet side place of described stator component; Wherein, at the described case side place of described stator component and the described outlet side place of described stator component, the center line C with respect to torque converter stream extends with outlet housing stator vane angle β each stator vane; Wherein, described suction casing stator vane angle α is less than described entrance core stator vane angle θ; And wherein, described outlet housing stator vane angle β is less than described outlet core stator vane angle γ.
CN201310423003.1A 2012-09-17 2013-09-17 Launch torus torque converter Pending CN103671802A (en)

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