CN100523538C - Main shaft dog clutch and method - Google Patents
Main shaft dog clutch and method Download PDFInfo
- Publication number
- CN100523538C CN100523538C CNB2005100920870A CN200510092087A CN100523538C CN 100523538 C CN100523538 C CN 100523538C CN B2005100920870 A CNB2005100920870 A CN B2005100920870A CN 200510092087 A CN200510092087 A CN 200510092087A CN 100523538 C CN100523538 C CN 100523538C
- Authority
- CN
- China
- Prior art keywords
- main shaft
- shaft portion
- gear train
- fluid
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/0025—Locks or fastenings for special use for glass wings
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/02—Wings made completely of glass
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Structure Of Transmissions (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
A dog clutch operable as an engine/motor disconnect clutch within a gasoline/electric transmission system is provided. The clutch is housed on the main shaft of the transmission. The main shaft is divided into a first main shaft portion releasably connected to a first electric motor/generator and a first gear set and a second main shaft portion connected to a second electric motor/generator and second gear set. The clutch includes a hydraulically actuatable piston slidably located coaxially with the first main shaft portion and second main shaft portion. The first main shaft portion is spring-biased and juxtaposed with the piston. A member of the first gear set is releasably engaged with the first main shaft portion which, through the second main shaft portion, is engaged with a member of the second gear set. When the clutch is actuated, pressurized fluid acts on the piston to slide the first main shaft portion against the spring bias to disengage the first gear set from the first main shaft portion and, thus, disengage the first gear set from the second main shaft portion and the second gear set.
Description
The cross reference of related application
The application claims to the rights and interests of the U.S. Provisional Patent Application 60/602,976 that on August 19th, 2004 submitted to, and its full content is hereby incorporated by.
Technical field
The clutch that can be used as the motor cut-off clutch in the transmission system.
Background technique
Proposed electric variable transmission device (EVT) is applied to improve in the vehicle fuel economy and reduces effulent.EVT utilizes differential gearing that the power between input shaft and the output shaft is divided into machine power path and electric power path.The machine power path can comprise clutch and additional gear.Two power units can be adopted in the electric power path, they each can be used as motor or generator (" motor/generator ").Utilize storage battery, EVT can be introduced in the used propulsion system of hybrid electric vehicle.
Hybrid vehicle or mixed propulsion system use for example power supply and the engine power source of battery and so on.Battery is connected with electric drive unit by the electronic control unit of electrical power distribution (ECU) as required.ECU also have with motor and vehicle be connected to come measurement operation feature or operational requirements so that make power unit suitably as motor or generator work.When working as generator, power unit is accepted power and power is stored in the battery from vehicle or motor, perhaps provides this power to come other Electric actuator or other electric power unit on the maneuver vehicle or on the transmission device.
Having one of benefit of comprising more than a kind of electric variable transmission device of mode of operation is that every kind of mode of operation will comprise at least one mechanical. points usually, and on this mechanical. points, electric energy is not present in any motor/generator, thereby has reduced loss.
With the application have commonly-assigned us, that authorize people such as Holmes, submit on July 22nd, 2004, " electric variable transmission device that has selective fixed ratio operation " by name and at this U.S. Provisional Patent Application sequence number USSN60/590 that all is incorporated herein by reference, in 427, the actuating unit in a kind of dynamo-electric variable speed drive has been described.
The ability that existing issue is their effective reverse operatings that the gasoline vehicle is had.Previous gasoline vehicle is usually according to the dual mode reverse operating.A kind of reverse operating method is to use electric motor to come the reverse propulsion vehicle.Because motor attempts to push ahead vehicle, so electric motor must be supplied with the power that surpasses operating motor.Reaction between this motor and the electric motor causes very lossy, because only some electric motor power is used to reversing.The second method of reverse operating uses electric motor to come the reverse direction actuation vehicle and motor is out of service simultaneously.Yet this method is not allowed vehicle produce power when reversing.Therefore, it allows that the vehicle reverse operating is till battery is used up or discharged.In case running down of battery, then its energy will be emitted and vehicle will again can not be moveed backward fully.
Summary of the invention
The invention provides a kind of dog-clutch that can be used as the engine/motor cut-off clutch in the gasoline transmission system.Clutch is received on the main shaft of transmission device.Main shaft is divided into first main shaft portion that releasably is connected with first planetary carrier of first gear train and is connected with sun gear with second gear train and can be connected in second main shaft portion on first main shaft portion.First and second motor/generators are connected on first and second gear trains.But clutch comprises first main shaft portion of hydraulic actuating piston and spring bias voltage, and piston is slidably located in the input shaft, and first main shaft portion and piston are side by side and be positioned on second main shaft portion.First planetary carrier of first gear train or member releasably engage with first main shaft portion, and first main shaft portion is by the sun gear or the member engages of second main shaft portion and second gear train.When clutch actuation, pressure fluid acts on the piston, piston makes the main shaft portion of winning overcome the spring bias effect and slides so that first gear train is disengaged from first main shaft portion and second main shaft portion, and then win gear train and second gear train are disengaged.Correspondingly, second motor/generator is connected with second gear train because motor is connected with first gear train, so clutch can make motor disconnect from second motor/generator, and this some advantageous particularly when the vehicle reverse operating.
The invention provides a kind of device, its mode that is used for reverse propulsion gasoline vehicle makes motor and not reaction of motor and vehicle can produce storable energy when reverse operating.
More specifically, the invention provides a kind of clutch that is suitable for being engaged in the transmission device with a plurality of gear trains.Clutch comprises the input shaft with the used fluid input of at least one pressure fluid, rotary type first main shaft portion that can engage with first gear train and rotary type second main shaft portion that has spring and can engage with second gear train.First main shaft portion can be slided with respect to second main shaft portion and also can therewith be rotated, and is in bias relation so that move along first direction under spring action.Piston is slidably so that activate the motion of first main shaft portion.Piston can be in fluid with the fluid of the abundant pressurization at fluid input place and be communicated with so that move along the second direction opposite with first direction.But first gear train and the first main shaft portion relative bonding and be disengaged.When piston not when the fluid of the abundant pressurization at fluid input place is in fluid and is communicated with, spring with the first main shaft portion bias voltage so that engage first gear train.The fluid of the abundant pressurization at fluid input place promotes piston so that the main shaft portion of winning is disengaged from first gear train.When the fluid of abundant pressurization is used up at the fluid input place, spring with the first main shaft portion bias voltage so that engage first gear train again.
The present invention also provides a kind of main shaft that is applicable in the electric variable ratio drive system, and this electricity variable ratio drive system has first power unit that is connected with first gear train and second power unit that is connected with second gear train.Main shaft comprise can align vertically with first main shaft portion of the member engages of first gear train with first main shaft portion and with second main shaft portion of the member engages of second gear train.Main shaft also comprises the piston that aligns vertically with first main shaft portion and second main shaft portion and can move vertically with respect to one of first and second main shaft portion.When piston during along the first direction axial motion, the member of first gear train can with the member engages of first main shaft portion, second main shaft portion and second gear train.When piston during along the second direction axial motion opposite with first direction, the member of first gear train can be disengaged with the member of first main shaft portion, second main shaft portion and second gear train.
It is a kind of according to the method for selecting the main shaft in the transmission device is engaged and is disengaged that the present invention also provides, and this main shaft has first main shaft portion that can engage with first gear train and second main shaft portion that can engage with second gear train.This method comprise make first main shaft portion engage slidably and make with second main shaft portion first main shaft portion with respect to second main shaft portion along the first direction bias voltage so that first main shaft portion is engaged with first gear train.This method comprises that also thereby providing the fluid of abundant pressurization to first main shaft portion makes the main shaft portion of winning be disengaged from first gear train so that the main shaft portion of winning is slided along second direction, and when the fluid of fully pressurization exhausts along first main shaft portion of first direction bias voltage again.
Read in conjunction with the drawings being used to realize the following detailed description of optimal mode of the present invention, those skilled in the art will know above-mentioned feature of the present invention and advantage and other feature and advantage.
Description of drawings
Fig. 1 is the partial sectional view that comprises according to the EVT transmission device of clutch of the present invention.
Embodiment
Fig. 1 shows according to clutch 10 of the present invention, and its remodeling with electric variable transmission device (EVT) 14 is used in combination.Clutch 10 is shown dog-clutch in the drawings, coaxial during its operation with transmission drive shaft 18, main shaft 18 can be connected on the motor input shaft part 22 by first or input gear train 34 of hybrid transmission 14, and hybrid transmission 14 is from the motor received energy.Input/engine torque is sent to transmission drive shaft 18 by damper (not shown), motor input shaft 22, is transferred into first ring gear 82 of first gear train 34 then.Transmission drive shaft 18 comprises first main shaft portion 54 and second main shaft portion 26.Clutch 10 engages first planetary carrier 38 of first gear train 34, first main shaft portion 54 with respect to transmission device and be disengaged effectively.
Carrying and ring gear 82 and sun gear 39 planet gear meshed 86 referring to first gear train, 34, the first planetary carriers 38 with a plurality of members 38,39,82,86.First sun gear 39 is connected on first power unit 40 of transmission device.Power unit can be used as motor operated in case drive transmission first sun gear 39 or as generator operation so that be battery charge.Second main shaft portion 26 is equipped with spring 42 and engages with second gear train 46, and second gear train has a plurality of members, comprises second member or the sun gear 50 that are connected on second power unit 51." connection " meaning is meant that each sun gear 39,50 connects indirectly by rotor center part 52,53 or similar structure or is directly connected on the power unit 40,51 as shown in fig. 1." wineglass " shown in rotor center body structure 52,53 is respectively and " umbrella " shape, and with the application have commonly-assigned us, that authorize people such as Klemen, submit on August 19th, 2004, " transmission device encapsulation and rotor support structure " by name and be to be described among GP-305600, the USSN60/602983 in this attorney that all is incorporated herein by reference.
First main shaft portion 54 is slidably located on spring 42 and is on second main shaft portion 26 of bias relation, spring 42 along first direction with the first main shaft portion bias voltage." slidably " meaning is meant that first main shaft portion 54 engages with second main shaft portion 26 still and can seesaws vertically or round along second main shaft portion 26.First main shaft portion 54 can have a plurality of first main shaft portion splines 80 that can engage with a plurality of second main shaft portion splines 81, and this allows between first main shaft portion 54 and second main shaft portion 26 and moves to axial.Spring 42 can be by as shown in fig. 1 packing ring 70 or by C clamp, spring space or any other position block or similar device and at one end fixing or rest against on second main shaft portion 26.Second end of spring 42 and first main shaft portion 54 are in bias relation.Piston 58 is slidably located in the input shaft part 22 with one or more fluid inputs 30.And the unshowned second embodiment of the present invention in, the piston 58 and first main shaft portion 54 can comprise single or monolithic construction.In addition, using chamber 84 can be between fluid input 30 and piston 58.Piston 58 is in fluid with fluid input 30 and is communicated with so that make that the pressure fluid that is positioned at fluid input 30 places will be along the second direction biases piston 58 opposite with the first direction of spring 42 biasing forces.
Inside first spline 62 that is connected on first planetary carrier 38 of gear train 34 engages with outside second spline 66 on being positioned at first main shaft portion 54.When first main shaft portion 54 by spring 42 during along the first direction bias voltage, second spline 66 just engages with first spline 62, therefore first planetary carrier 38 just engages with secondary sun wheel 50 effectively by first main shaft portion 54 and second main shaft portion 26.When first planetary carrier 38 and secondary sun wheel 50 effectively engages, first power unit 40 just pass through first or " wine is cup-shaped " rotor center part 52, first gear train 34, first main shaft portion 54, second main shaft portion 26 and second " umbrella shape " rotor center part 53 effectively engage with second power unit 51. Spline 62,66 can be and is used for providing any a pair of interconnecting component that engages and be disengaged between first gear train 34 and first main shaft portion 54.
When the fluid of abundant pressurization was positioned at fluid input 30 places, piston 58 will be along the second direction bias voltage opposite with spring bias.Fully the fluid of pressurization refers to that fluid has that enough big pressure overcomes spring bias so that piston 58 will make the main shaft portion 54 of winning slide or round along second direction, and holddown spring 42.In case first main shaft portion 54 is slided or is come and gone along second direction, then first or internal splines 62 and second or external spline 66 just be disengaged.When spline 62,66 was disengaged, first power unit 40 and first gear train 34 just were disengaged from first main shaft portion 54, and then were disengaged from second main shaft portion 26, second gear train 46 and second power unit 51.When first power unit 40 when second power unit 51 is disengaged, first power unit 40 can to battery charge simultaneously second power unit 51 can be controlled by an electronic control unit so that as the power unit operation of transmission device second main shaft portion 26.The dog-clutch 10 that is disengaged disconnects the motor (not shown) and first power unit 40 from second power unit 51 and output link 83.
When the fluid of the abundant pressurization at fluid input 30 places exhausted, spring 42 will push back or bias voltage first main shaft portion 54 and piston 58 again along first direction, and wherein first spline 62 and second spline 66 will engage again, as shown in fig. 1.Again the joint of first spline 62 and second spline 66 will make win power unit 40 and first gear train 34 engage again with second power unit 51 and second gear train 46, so that make power unit 40,51 all can be controlled by an electronic control unit with the power unit operation as transmission drive shaft 18.
Be used to realize optimal mode of the present invention although described in detail, those skilled in the art will recognize that: have in the determined scope of appended claims and be used to realize multiple alternate design of the present invention and embodiment.
Claims (9)
1. clutch device that is suitable for being engaged in the transmission device with a plurality of gear trains comprises:
Input shaft with the used fluid input of at least one pressure fluid;
Rotary type first main shaft portion that can engage with first gear train;
Have rotary type second main shaft portion of spring, described second main shaft portion can engage with second gear train;
Wherein said first main shaft portion can be slided with respect to described second main shaft portion and also can therewith be rotated;
Wherein said first main shaft portion is in bias relation so that move along first direction under described spring action;
Piston is slidably so that activate the motion of described first main shaft portion, and described piston selectively is in fluid with the fluid of the abundant pressurization at described fluid input place and is communicated with so that move along the second direction opposite with described first direction;
But wherein said first gear train and the described first main shaft portion relative bonding and be disengaged;
Wherein when described piston not when the fluid of the abundant pressurization at described fluid input place is in fluid and is communicated with, described spring with the described first main shaft portion bias voltage so that engage first gear train;
The fluid of the abundant pressurization at wherein said fluid input place promotes described piston so that make described first main shaft portion be disengaged from described first gear train; And
Wherein when the fluid of fully pressurization is used up at described fluid input place, described spring with the described first main shaft portion bias voltage so that engage described first gear train again.
2. clutch device according to claim 1, wherein clutch is a dog-clutch.
3. clutch device according to claim 1, wherein input shaft has two fluid inputs at least.
4. clutch device according to claim 1, wherein input shaft, rotary type first main shaft portion, rotary type second main shaft portion and described piston are coaxial.
5. clutch device according to claim 1 wherein engages the spline that comprises a pair of interconnection at least between first main shaft portion and first gear train.
6. one kind is applicable to the main shaft in the electric variable ratio drive system, and electric variable ratio drive system has first power unit that is connected with first gear train and second power unit that is connected with second gear train, and described main shaft comprises:
Can with first main shaft portion of the member engages of described first gear train;
Align vertically with described first main shaft portion, be equipped with spring and with second main shaft portion of the member engages of described second gear train;
The piston that aligns vertically with described first main shaft portion and described second main shaft portion and can move vertically with respect to one of described first and second main shaft portion;
Wherein when described piston during along the first direction axial motion, the member of described first gear train can with the member engages of described first main shaft portion, described second main shaft portion and described second gear train; And
Wherein when described piston during along the second direction axial motion opposite with described first direction, the member of described first gear train can be disengaged with the member of described first main shaft portion, described second main shaft portion and described second gear train.
7. main shaft according to claim 6, wherein the member of first gear train provides with engaging by dog-clutch of first main shaft portion.
8. main shaft according to claim 6, wherein piston can be by hydraulic actuating.
9. one kind according to the method for selecting the main shaft in the transmission device is engaged and is disengaged, and main shaft has first main shaft portion that can engage with first gear train and second main shaft portion that is equipped with spring and can engages with second gear train, and this method comprises:
First main shaft portion is engaged slidably with second main shaft portion;
Make described first main shaft portion with respect to described second main shaft portion along the first direction bias voltage so that described first main shaft portion is engaged with first gear train;
Provide the fluid of abundant pressurization so that make described first main shaft portion slide to described first main shaft portion, thereby make described first main shaft portion be disengaged from described first gear train along second direction; And
When the fluid of described abundant pressurization exhausts along described first main shaft portion of described first direction bias voltage again.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60297604P | 2004-08-19 | 2004-08-19 | |
| US60/602976 | 2004-08-19 | ||
| US11/153172 | 2005-06-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1807915A CN1807915A (en) | 2006-07-26 |
| CN100523538C true CN100523538C (en) | 2009-08-05 |
Family
ID=36839967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100920870A Expired - Fee Related CN100523538C (en) | 2004-08-19 | 2005-08-19 | Main shaft dog clutch and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100523538C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009026707B4 (en) * | 2009-06-04 | 2022-01-27 | Zf Friedrichshafen Ag | Arrangement with at least one dog clutch |
| US8734285B2 (en) * | 2011-08-31 | 2014-05-27 | Gm Global Technology Operations | Transmission with dual clutch actuation assembly |
| US10151392B2 (en) * | 2016-11-17 | 2018-12-11 | GM Global Technology Operations LLC | Vehicle |
-
2005
- 2005-08-19 CN CNB2005100920870A patent/CN100523538C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1807915A (en) | 2006-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20060623 Address after: Michigan Applicant after: GM Global Technology Operations, Inc. Address before: Michigan Applicant before: General Motors Corp. |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20200819 |
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| CF01 | Termination of patent right due to non-payment of annual fee |