DE102014117731A1 - VEHICLE AND LOCKING ASSEMBLY FOR THE VEHICLE - Google Patents

Abstract

There is disclosed a vehicle and a detent assembly. The detent assembly includes a pawl which is rotatable about an axis of rotation between an engaged position and a disengaged position. The pawl is configured to engage the outer wheel when in the engaged position to prevent movement of the outer wheel. The locking assembly further includes an actuator that is selectively actuated to move the latch to the engaged position. Additionally, the detent assembly includes a biasing mechanism that engages the pawl to constantly bias the pawl toward the disengaged position. The pawl includes a first tooth and a second tooth spaced apart to define a gap therebetween. The first tooth and the second tooth are configured to catch a tooth of the outer wheel in the gap when the pawl is in the engaged position to prevent rotation of the outer wheel.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the benefit of US Provisional Application No. 61 / 912,761, filed on Dec. 6, 2013, which is incorporated herein by reference in its entirety.

TECHNICAL AREA

The present disclosure relates to a vehicle and an outer wheel detent assembly operatively connected to a crankshaft of the vehicle.

BACKGROUND

Hybrid vehicles offer reduced fuel consumption and reduced emissions by using an electric motor / generator and an internal combustion engine. A controller may be programmed to vary the usage of the engine and the motor / generator during different driving conditions. When the engine / generator is used in place of the engine, the crankshaft of the engine should remain stationary. For example, a disc clutch may be used to minimize rotation of the crankshaft, however, frictional engagement with the disc clutch may result in resistance and circulation loss may occur due to rotation, which may affect the efficiency of the hybrid vehicle.

SUMMARY

The present disclosure provides a locking assembly for an external gear that is operatively connected to a crankshaft. The detent assembly includes a pawl which is rotatable about an axis between an engaged position and a disengaged position. The pawl is configured to engage the outer wheel when in the engaged position to prevent movement of the outer wheel. The locking assembly further includes an actuator that is selectively actuated to move the latch to the engaged position. Additionally, the detent assembly includes a biasing mechanism that engages the pawl to constantly bias the pawl toward the disengaged position. The pawl includes a first tooth and a second tooth spaced apart to define a gap therebetween. The first tooth and the second tooth are configured to catch a tooth of the outer wheel in the gap when the pawl is in the engaged position to prevent rotation of the outer wheel.

The present disclosure also provides a vehicle that includes an outer wheel that is selectively rotatable about a longitudinal axis. The outer wheel includes a plurality of teeth that are radially spaced from each other about the longitudinal axis. The vehicle also includes a detent assembly. The detent assembly includes a pawl which is rotatable about an axis of rotation between an engaged position in which it engages the outer wheel to prevent rotation of the outer wheel and a disengaged position in which it is spaced from the outer wheel allow a rotation of the outer wheel. The pawl includes a first tooth and a second tooth spaced from each other to define a gap therebetween such that one of the teeth of the outer gear is trapped in the gap between the first tooth and the second tooth to permit rotation of the outer wheel prevent it when the latch is in the engaged position.

The detailed description and drawings or figures are supportive and descriptive of the disclosure, but the scope of the disclosure is defined solely by the claims. Although some of the best modes and other embodiments for carrying out the claims have been described in detail, there are various alternative constructions and embodiments for practicing the disclosure as defined in the appended claims.

BRIEF DESCRIPTION OF THE DRAWINGS

1 is a schematic representation of a vehicle.

2 FIG. 12 is a schematic fragmentary perspective view of an engine with a detent assembly disposed partially outside an engine block and partially within a transmission region. FIG.

3 Figure 3 is a schematic fragmentary cross-sectional view of the detent assembly with one wall of the engine block illustrated in phantom for purposes of illustration.

4 is a schematic fragmentary side view of a biasing mechanism and a pawl, which are mounted on a transmission housing.

5 Figure 3 is a schematic fragmentary perspective view of a second latch segment of the pawl attached to the transmission housing is attached, with a first ratchet segment removed for purposes of illustration.

6 Fig. 12 is a schematic fragmentary side view of an outer wheel showing a first width of the outer wheel.

7 FIG. 12 is a schematic fragmentary cross-sectional view of the outer wheel, the first and second latch segments, the spring, the distal end of an extension and a crankshaft. FIG.

8th is a schematic fragmentary perspective view of the latch in an engaged position.

9 Figure 3 is a schematic side view of the latch in a disengaged position illustrating the spring engaged with the latch at the second end.

10 Figure 3 is a schematic bottom view of the latch illustrating a second width of the latch, and a first tooth and a second tooth spaced from each other.

11 is a schematic exploded perspective view of the components of 7 ,

12 FIG. 12 is a schematic fragmentary perspective view of an alternative embodiment of a distal end of an extension of an actuator. FIG.

13 Fig. 12 is a schematic fragmentary side view of another embodiment of an actuator and a biasing mechanism.

14 is a schematic top view of the latch of 13 ,

DETAILED DESCRIPTION

Those skilled in the art will recognize that terms such as "above," "below," "up," "high," "down," "down," "up," "down," "left," "right," " "back", "front", etc. are used descriptively for the figures and represent no limitations on the scope of the disclosure as defined by the appended claims.

With reference to the figures, wherein like numerals indicate like or corresponding parts throughout the several views, in FIG 1 a vehicle 10 generally shown. The vehicle 10 may be an automobile such as a car, a truck, etc. It should be noted that the vehicle 10 alternatively, does not need to be an automobile, such as an agricultural vehicle, a watercraft, an aircraft, etc. In addition, the vehicle may 10 a hybrid vehicle or an electric vehicle, for example, one or more motor-generators 12 includes in reducing fuel consumption and emissions of the vehicle 10 Can provide support. For example, the motor generator 12 as an engine to the engine 14 to be started or used as a torque assist. As another example, the motor generator 12 be used as a generator to generate electricity or recharge an energy storage device such as a battery. It should be noted that the vehicle 10 any other suitable vehicle 10 can be.

Further referring to 1 can the vehicle 10 generally an engine 14 , a gearbox 16 and a final drive 18 include, which are functionally interconnected to wheels 20 of the vehicle 10 to rotate and thus the vehicle 10 drive. The engine 14 can be an initial element 22 or a crankshaft 22 include the functional with an input element 24 of the transmission 16 connected is. In general, engine can 14 the crankshaft 22 accommodate. The gear 16 can be a gear arrangement 26 and one or more couplings 28 comprise, by the torque from the output member 22 the engine 14 on the input element 24 of the transmission 16 and then to the final drive 18 and out to the wheels 20 is transferred to the vehicle 10 to move. The wheels 20 can front wheels 20 or rear wheels 20 of the vehicle 10 be. In addition, the transmission can 16 the motor generator 12 include as mentioned above.

The 1 and 2 facing, the engine can 14 to be an internal combustion engine. The engine 14 can an engine block 30 include in which the crankshaft 22 is arranged. The crankshaft 22 is about a longitudinal axis 32 rotatable. In the figures is the crankshaft 22 For illustrative purposes only, shown schematically without any specific features and it will be appreciated that the crankshaft 22 Different configurations may have to work with other components of the engine 14 together. The engine 14 can also be a flywheel 34 , one or more connecting rods, pistons, valves, etc., which will not be discussed further. Various components discussed above, such as the engine 14 , The gear 16 etc., can be part of a powertrain. The powertrain may be referred to as a hybrid powertrain for a hybrid vehicle application that includes both the engine and one or more Motor generators 12 used. In the electric vehicle application, the internal combustion engine is omitted and there are one or more motor-generators 12 used. In electric vehicle application, the powertrain may be referred to as an electromechanical drive unit.

With reference to the 1 and 3 - 5 can the gearbox 16 a gearbox 36 include that on the engine block 30 is appropriate. The engine block 30 is in 3 shown in phantom for illustrative purposes only. In general, one of the walls 38 of the gearbox 36 on one of the walls 40 of the engine block 30 be attached to various components in the gearbox 36 include. In certain embodiments, as in 5 Best shown is the gearbox 36 a first support 42 and a second support 44 have, which are spaced apart. The first and second support 42 . 44 are in the gearbox 36 included when the gearbox 36 on the engine block 30 is appropriate. Moreover, in one embodiment, the first and second supports 42 . 44 on one of the walls 38 of the gearbox 36 (please refer 5 ) to be appropriate. According to another embodiment, the first and second supports 42 . 44 on one of the walls 40 of the engine block 30 to be appropriate. According to yet another embodiment, the first support 42 on one of the walls 38 of the transmission 16 be appropriate, and the second support 44 can be on one of the walls 40 of the engine block 30 be appropriate, or vice versa. It should be noted that the engine block 30 and the gearbox 36 may have any suitable configuration and location. In addition, it should be noted that the first and second support 42 . 44 may have any suitable configuration and location.

The 1 and 2 facing, the vehicle can 10 an outside wheel 46 include that outside the engine block 30 is arranged. In one embodiment, the outer wheel is 46 in the transmission housing 36 arranged. The outer wheel 46 is functional with the crankshaft 22 connected and is selectively about the longitudinal axis 32 rotatable. Thus, the outer wheel 46 and the crankshaft 22 in line with the longitudinal axis 32 rotate. The outer wheel 46 and the crankshaft 22 may, for example, in a clockwise direction or in a counterclockwise direction about the longitudinal axis 32 rotate.

The vehicle can also be a first clutch 48 include (see 1 ), between the flywheel 34 and the outside wheel 46 is arranged. The first clutch 48 Can be functional with the crankshaft 22 be connected. Therefore, the first clutch 48 the crankshaft 22 and the outside wheel 46 rotatably disconnect when a predetermined engine torque is obtained. Therefore, the first clutch 48 allow slip between the crankshaft 22 and the outside wheel 46 occurs when the predetermined engine torque is obtained. The first clutch 48 is activated to the amount of engine torque applied to the outer wheel 46 is transferred to limit. In general, the first clutch 48 downstream from the engine 14 arranged (see 1 ). Downstream, as used herein, is the direction taken by the engine 14 to the transmission 16 etc. flows, and the arrow 49 in 1 points in the direction downstream. The first clutch 48 may include one or more friction plates, etc. The first clutch 48 may be referred to as a breakaway clutch or a slip clutch.

In addition, as in 1 shown is a damper 50 between the outer wheel 46 and the final drive 18 be arranged. The damper 50 can dampen a relative movement between different components. Specifically, the damper 50 Torsional vibrations absorb from the engine 14 be generated before the vibrations on the various components of the transmission 16 be transmitted. The damper 50 may include one or more springs, etc.

Again the outer wheel 46 facing, as in the 2 . 6 and 7 Best shown is the outer wheel 46 a plurality of teeth 52 include, and in one embodiment, the teeth 52 each from the longitudinal axis 32 away to the outside. For example, the teeth can 52 radially from each other about the longitudinal axis 32 be spaced around.

With reference to 6 can the outside wheel 46 a first page 54 and a second page 56 which are spaced apart from each other by a first width 58 of the outer wheel 46 display. The teeth 52 of the outer wheel 46 are between the first and second pages 54 . 56 arranged and thus provide the first width 58 represents.

In general, a locking assembly 60 or brake assembly in 2 best shown a movement of the crankshaft 22 during the electric vehicle (EV) operation of the hybrid / electric vehicle is selectively prevented. The vehicle 10 can the locking assembly 60 include. The locking assembly 60 acts as an engine brake to a rotation of the outer wheel 46 and thus the crankshaft 22 during EV operation of the hybrid / electric vehicle. In general, energy can be saved by rotating the crankshaft 22 during EV operation is prevented. Therefore, by using the detent assembly described herein 60 Energy can be saved by rotating the crankshaft 22 is prevented when the vehicle 10 in the EV mode works. In addition, saving energy can increase the range and fuel economy of the vehicle 10 maximize. In addition, resistance and circulation loss are reduced using the locking assembly 60 eliminated, as further described below.

As it is in 1 shown are the outer wheel 46 and the locking assembly 60 downstream of the first clutch 48 arranged. In addition, the damper 50 functionally connected to the input member and downstream of the detent assembly 60 arranged. More precisely, the locking assembly 60 upstream of the damping springs of the damper 50 that is, upstream of the primary inertial side of the damper 50 located. By orienting these components in this regard, the first clutch can 48 and the locking assembly 60 work without disturbing each other, and thus these components need not be designed to accommodate larger forces. For example, torque passes from the transmission side through the detent assembly 60 is applied, not by the first clutch 48 , The primary inertial side of the damper 50 becomes with this arrangement of the locking assembly 60 and the first clutch 48 maximizes what can also suppress noise.

Also the 8th and 9 facing, the Arretierungsbaugruppe 60 generally a latch 62 which is adapted to be selectively connected to the outer wheel 46 to engage and thus a movement of the outer wheel 46 to selectively prevent. The handle 62 is about a rotation axis 64 rotatable between an engaged position and a disengaged position. The handle 62 is designed to work with the outside wheel 46 when in the engaged position, to move the outer wheel 46 to prevent. The handle 62 is designed to move from the outside wheel 46 to be disengaged, that is, to be spaced therefrom, when in the disengaged position, to move the outer wheel 46 permit. More precise is the latch 62 around the axis of rotation 64 rotatable in the engaged position, in which they are connected to the outer wheel 46 engaged, and more specifically one of the teeth 52 with the outside wheel 46 engaged to a rotation of the outer wheel 46 to prevent. The handle 62 is about the axis of rotation 64 rotatable in the disengaged position, in which they from the outer wheel 46 spaced apart, and more specifically from the teeth 52 of the outer wheel 46 is spaced to a rotation of the outer wheel 46 permit. The handle 62 rotates around the axis of rotation 64 and does not slide along the axis of rotation 64 engaged with one of the teeth 52 of the outer wheel 46 ,

The handle 62 is from the outside wheel 46 when it is in the disengaged position, and thus resistance is removed. In addition, the latch rotates 62 during operation of the vehicle 10 not constantly, and thus generates the pawl 62 no circulation losses. The handle 62 only moves when switching between positions. Therefore, the latch needs 62 remain stationary when in the engaged position and the latch 62 remains stationary when in the disengaged position.

In certain embodiments, the axis of rotation is 64 and the longitudinal axis 32 spaced apart and substantially parallel to each other. The outer wheel 46 is functional with the crankshaft 22 connected so that the outer wheel 46 and the crankshaft 22 in line with the longitudinal axis 32 rotate when the latch 62 is in the disengaged position, and the outer wheel 46 and the crankshaft 22 remain essentially fixed when the latch 62 is in the engaged position. The engaged position is in the 2 . 7 and 8th shown, and the disengaged position is in 9 shown.

With reference to the 10 and 11 can the latch 62 a first margin 66 and a second margin 68 which are spaced apart from each other by a second width 70 substantially equal to or smaller than the first width 58 of the outer wheel 46 exhibit. Constructing the latch 62 such that the second width 70 substantially equal to or smaller than the first width 58 of the outer wheel 46 is, offers space savings. In addition, the latch rotates 62 around the axis of rotation 64 towards and away from the teeth 52 of the outer wheel 46 instead of moving along the axis of rotation 64 in and out of engagement with the teeth 52 of the outer wheel 46 to move, which also provides space savings. This means that the sliding movement would require more space to allow engagement and disengagement. That's why turning the latch offers 62 around the axis of rotation 64 Space savings, as less space for a rotational movement relative to a sliding movement along the axis of rotation 64 is needed.

In addition, the latch can 62 a first latch segment 72 and a second latch segment 74 include, each about the axis of rotation 64 are rotatable. As shown in the figures, the first and second latch segments are 72 . 74 separate pieces. Generally, in certain embodiments, the first and second latch segments rotate 72 . 74 in harmony with each other. In other embodiments, the first latch segment 72 and the second latch segment 74 begin to rotate one after the other.

The first latch segment 72 can be a first leg 76 and a second leg 78 comprise, which are spaced apart, wherein the second latching segment 74 between the first and second legs 76 . 78 is arranged. Simply put, this is the second latch segment 74 in the first segment 72 embedded. Therefore, the second latch segment 74 between the first and second legs 76 . 78 embedded. In general, the first leg comprises 76 a first margin 66 and the second leg 78 includes a second margin 68 ,

With reference to the 4 and 5 is the latch 62 in certain embodiments rotatably on the first and second supports 42 . 44 of the gearbox 36 appropriate. In other embodiments, the pawl 62 rotatable on the transmission housing 36 and the engine block 30 to be appropriate. In yet other embodiments, the pawl 62 rotatable on the engine block 30 to be appropriate. More precisely, a first pen 80 through the latch 62 be arranged through, and the first pin 80 is along the axis of rotation 64 arranged. Therefore, the latch rotates 62 around the first pen 80 and thus the axis of rotation 64 , In certain embodiments, the first pen is 80 on the gearbox 36 attached. In other embodiments, the first pin is 80 on the gearbox 36 and the engine block 30 appropriate. In yet other embodiments, the first pen is 80 on the engine block 30 appropriate.

The 7 and 10 facing, the latch comprises 62 a first tooth 146 and a second tooth 148 that are configured to selectively engage the outer wheel and to selectively prevent movement of the outer wheel. In certain embodiments, the first tooth aligns 146 and the second tooth 148 in a spaced relationship with each other (see 10 ).

The 2 . 3 and 8th facing, the Arretierungsbaugruppe 60 also an actor 82 which is selectively actuated to the pawl 62 to move into the engaged position. The actor 82 can with the latch 62 engage and is at least partially relative to the pawl 62 movable to the latch 62 move accordingly. The actor 82 can have different orientations (cf. 3 and 13 ). In certain embodiments, at least part of the actuator is 82 around a first axis 84 rotatable (the in 3 best shown). In other embodiments, at least part of the actuator 82 along the first axis 84 movable (see 13 ). Therefore, the first axis 84 change their positions. In both embodiments of the 3 and 13 can the actor 82 an extension 86 include a distal end 88 that has the latch 62 engages. The distal end is more specific 88 with both the first and second latch segments 72 . 74 engaged. More exactly is the distal end 88 with both the first and second legs 76 . 78 engaged. The extension 86 and the distal end 88 can be around the first axis 84 be rotatable (see embodiment of 3 ). The distal end 88 remains during a rotation of the distal end 88 around the first axis 84 with the first and second latch segments 72 . 74 engaged. In certain embodiments, rotation of the distal end 88 the first tooth 146 and the second tooth 148 push into the engaged position.

Alternatively, the extension 86 and the distal end 88 along the first axis 84 be movable (see embodiment of 13 ). In the embodiment of 13 can the extension 86 and / or the distal end 88 along the first axis 84 to the latch 62 move towards the first and second latch segments 72 . 74 to move into the engaged position, being with one of the teeth 52 of the outer wheel 46 engage. Easy for 13 Expressed, the extension can 86 and / or the distal end 88 the first tooth 146 and the second tooth 148 push into the engaged position. For this embodiment, the distal end is 88 as well with both the first and second latch segments 72 . 74 engaged. In certain embodiments, the configuration of the distal end 88 eccentric, ie not concentric, relative to the first axis 84 to let the latch 62 can move between the engaged and disengaged position. It is noted that the distal end 88 may have any suitable configuration corresponding to the desired embodiment. Optionally, for all embodiments herein, the first pawl segment 72 an approach 89 (please refer 14 ) comprising the second latch segment 74 partially overlapped, leaving the distal end 88 with the approach 89 engaged (and optionally with the first ratchet segment 72 engaged) to the pawl 62 to move.

The actor 82 can be around the first axis 84 between a first position (as in Figs 7 and 8th shown), which corresponds to that the pawl 62 is in the engaged position and a second position (as in 9 shown), which corresponds to that the pawl 62 is in the disengaged position. Specifically, the distal end rotates 88 around the first axis 84 between the first and second positions.

With reference to 7 may be the first position when the distal end 88 in engagement with the pawl 62 at a first angle 90 relative to a plane 92 oriented perpendicular to the longitudinal axis 32 stands. In general, the first angle 90 from about 10.0 degrees to about 30.0 degrees. In certain embodiments, the first angle is located 90 from about 18.0 degrees to about 24.0 degrees. In yet other embodiments, the first angle is located 90 from about 20.0 degrees to about 22.0 degrees. In one embodiment, the first angle is 90 about 21.5 degrees. In general, the distal end 88 plus 40.0 degrees to about 60.0 degrees from the initial first angle 90 rotate in the first position to the second position. In certain embodiments, the distal end 88 an additional 50.0 degrees to about 55.0 degrees from the initial first angle 90 rotate in the first position to the second position. In one embodiment, the distal end 88 additional 53.0 from the initial first angle 90 rotate in the first position to the second position. It should be noted that the values of the first angle 90 and the values of additional rotation to the second position are examples and other values are possible.

In certain embodiments, as in the 8th and 11 Optionally, the distal end can, optionally, be 88 a role 94 include that with the latch 62 is engaged, and more specifically with the first and second latch segments 72 . 74 engaged. The role 94 can along the latch 62 rotate when the extension 86 / the distal end 88 around the first axis 84 rotates. More precisely, the role 94 around a second axis 96 rotate from the first axis 84 is spaced and is substantially parallel to this. The role 94 can be concentric relative to the second axis 96 (as in 7 shown), eccentric, ie not concentric, relative to the second axis 96 or any other suitable configuration, such as bevelled, angled, tapered, etc. In other embodiments, as in 12 The role can be shown 94 be eliminated and thus there is between the distal end 88 and the latch 62 a sliding engagement. In the embodiment of 12 may be the distal end 88 eccentric, ie not concentric. The distal end 88 the extension 86 can be a separate piece or a unit with the extension 86 be. The distal end 88 can at the extension 86 serrated or at the extension 86 be attached by any suitable method, such as one or more fasteners, etc. It is noted that the distal end 88 Any suitable configuration, such as bevelled, angled, tapered, etc., may have.

With reference to the 2 and 3 can the actor 82 also an engine 98 and a gear arrangement 100 include, which are operatively connected to each other and outside of the transmission housing 36 are arranged. In addition, the actuator 82 a wave 102 include that functional with the gear assembly 100 , the engine 98 and the extension 86 connected to the extension 86 and the distal end 88 around the first axis 84 to turn. A first part of the actor 82 can be inside the gearbox 36 be arranged, and a second part of the actuator 82 can be outside of the gearbox 36 be arranged. The motor 98 may be a solenoid or any other suitable device to the shaft 102 to rotate. Low power can be the engine 98 operate by using the mechanical detent arrangement herein. More precisely, by using the latch 62 to the outside wheel 46 mechanically lock and unlock the power to the engine 98 to be low. As an example, the engine 98 be operated with a power of about 10.0 W. It should be noted that the above watts value is an example and the motor 98 can be charged with any other benefit. It is also noted that the engine 98 as a rotary motor 98 can be designated. It is also noted that the engine 98 a hydraulic, mechanical, electromechanical, solenoid, or any other suitable mechanism which may be the distal end 88 put in a desired movement.

The actor 82 can also be a connector 104 include (see 3 ), between the shaft 102 and the extension 86 is arranged to the extension 86 and the wave 102 rotatably connect and thus the distal end 88 to turn. The wave 102 , the connector 104 and the extension 86 may be serrated or attached to one another by any suitable method. The actor 82 can also have an adapter 106 include, on the engine block 30 attached to the actuator 82 to fix in the desired position. The motor 98 and the gear arrangement 100 are also through the adapter 106 supported. The second part of the actor 82 , outside the gearbox 36 can be arranged, the engine 98 , the gear arrangement 100 , the wave 102 , the connector 104 , at least part of the adapter 106 etc. include. The first part of the actor 82 inside the gearbox 36 can be arranged, the distal end 88 , at least part of the extension 86 etc. include.

2 facing, the vehicle can 10 also a controller 108 in connection with the actuator 82 include. More precisely, the controller 108 in conjunction with the engine 98 stand to the distal end 88 of the actor 82 to turn selectively. In other words, the controller stands 108 with the actor 82 in connection to the actor 82 to selectively operate. The controller 108 can be a position control and / or feedback with regard to the distal end 88 the extension 86 and thus the position of the latch 62 provide. In addition, the controller can 108 and / or another Controller with the motor generator 12 and / or other components of the vehicle 10 keep in touch.

The controller 108 may be part of an electronic control module, e.g. As an engine control module, be. The controller 108 includes a processor 110 and a memory 112 on which instructions for turning the actuator 82 are recorded. The controller 108 is designed to take the instructions from the memory 112 Above the processor 110 perform. For example, the controller 108 a host machine or a distributed system, e.g. A computer, such as a digital computer or microcomputer acting as a vehicle control module, and / or a proportional-integral-derivative (PID) controller 108 its a processor and, as the memory 112 , tangible, non-transitory computer readable memory, such as read-only memory (ROM) or flash memory. The controller 108 Also, random access memory (RAM), electrically erasable programmable read only memory (EEPROM), a high speed clock, analog / digital (A / D) and / or digital / analog (D / A) circuitry and any required input / output circuitry and associated devices, as well as any required signal conditioning and / or signal buffering circuitry. Therefore, the controller can 108 all software, hardware, memory 112 , Algorithms, connections, sensors, etc., that are necessary to the actuator 82 to monitor and control. It should be noted that the controller 108 may also include any device capable of analyzing data from various sensors, comparing data, and making the necessary decisions necessary to the actuator 82 to control and operate.

In addition, with reference to the 4 . 8th and 9 , the locking assembly can 60 in general, a biasing mechanism 114 include that with the latch 62 engaged to the latch 62 constantly biasing to the disengaged position. The biasing mechanism 114 can the latch 62 in constant engagement with the actor 82 Pretension. Therefore, if the actor 82 moves, the pawl moves 62 according to what the first tooth 146 and the second tooth 148 moved between the engaged and the disengaged position. The biasing mechanism 114 can also be an element 116 and a spring 118 include. The feather 118 can with the latch 62 engage the pawl constantly in the disengaged position and in constant engagement with the actuator 82 pretension. In certain embodiments, the spring 118 with the latch 62 and the element 116 engage the pawl constantly in the disengaged position and in constant engagement with the actuator 82 pretension. Therefore, the rotational position of the distal end 88 of the actor 82 the position of the latch 62 relative to the outer wheel 46 determine. The element 116 may be referred to as a support block.

The element 116 can have one or more recesses 120 define (see 4 ) with the contours of the gearbox 36 and / or the engine block 30 work together. It should be noted that the recesses 120 are optional and the item 116 can have any suitable configuration. In addition, with reference to the 2 . 4 and 8th , the element can 116 a first advantage 122 and a second projection 124 include, different from the element 116 extend in an opposite relationship. The first and second lead 122 . 124 stand with the gearbox 36 and / or the engine block 30 engaged to the element 116 support. In one embodiment, the first projection stands 122 with the gearbox 36 engaged, and the second projection 124 stands with the engine block 30 engaged. It should be noted that the first and second lead 122 . 124 same or different lengths, same or different configurations, etc. may have.

As it is in the 8th and 11 shown is the spring 118 a first section 126 , a second section 128 and a third section 130 include, between the first and second sections 126 . 128 is arranged. In general, the first section is available 126 with the latch 62 engaged, the second section 128 stands with the gearbox 36 engaged, and the third section 130 stands with the element 116 engaged. In general, the item is 116 from the latch 62 spaced as in 9 best shown, and at least the first section 126 the feather 118 is between the element 116 and the latch 62 arranged. The first paragraph 126 puts a load on the latch 62 on to the latch 62 constantly biasing to the disengaged position. The second section 128 the feather 118 stands with the gearbox 36 engaged, leaving the gearbox 36 a reaction surface for the spring 118 provides. The third section 130 the feather 118 stands with the element 116 engaged, so that the element 116 a reaction surface for the spring 118 provides. The third section 130 the feather 118 can make a contour around the element 116 form around in any suitable orientation. When the latch 62 in the disengaged position, the spring practices 118 a suitable amount of force to the disengagement of the pawl 62 from the outside wheel 46 even if sustaining a force on the outside of the vehicle 10 is exercised in the same direction in which the pawl 62 can rotate.

In general, the spring 118 no coil spring, as in the figures for the embodiment of 2 - 4 . 7 - 9 and 11 is shown. In other embodiments, the spring 118 be a coil spring, as in 13 is shown. It is also noted that more than one spring 118 can be used as in 13 shown, and the springs 118 in the embodiment of 13 against an element, the wall 38 of the gearbox 36 and / or the wall 40 of the engine block 30 , can counteract.

In certain embodiments, the spring 118 a plurality of slots 132 define (see 8th and 11 ) which are spaced apart from each other about the spring 118 in a first biasing arm 134 , with the first leg 76 of the first latch segment 72 engaged, a second biasing arm 136 , with the second leg 78 of the first latch segment 72 engaged, and a third biasing arm 138 that with the second latch segment 74 is engaged to branch. Specifically, the first section defines 126 the feather 118 the majority of slots 132 , which are spaced apart from each other, around the first section 126 in the first pretensioning arm 134 , the second pretensioning arm 136 and the third bias arm 138 to branch. In one embodiment, the third biasing arm 138 between the first and second biasing arms 134 . 136 arranged. The first prestressing arm 134 applies the desired spring force to the first leg 76 off, the second biasing arm 136 applies the desired spring force to the second leg 78 from, and the third Vorspannarm 138 applies the desired spring force to the second latch segment 74 out.

The 8th . 9 and 11 facing, the biasing mechanism 114 in addition a dowel pin 140 include. In general, the dowel pin 140 at the second latch segment 74 attached and stands with the spring 118 engaged to the spring 118 relative to the first and second latch segments 72 . 74 to position. More precise is the dowel pin 140 through the third biasing arm 138 arranged therethrough. Hence, the dowel pin positions 140 the first pretensioning arm 134 relative to the first leg 76 , the second pretensioning arm 136 relative to the second leg 78 , and the third prestressing arm 138 relative to the second latch segment 74 , It should be noted that the dowel pin 140 through the spring 118 and the latch 62 can be arranged therethrough in any suitable position.

With reference to the 7 and 8th can the latch 62 an outside 142 include the actor 82 facing, and an inside 144 that the outside 142 is opposite. More precisely, the first and second latch segments 72 . 74 each the outside and inside 142 . 144 include. Therefore, the first tooth extends 146 from the inside 144 of the first latch segment 72 , and the second tooth 148 extends from the inside 144 the second ratchet segment 74 , In general, the inside is 144 the outer wheel 46 facing. Therefore, stand the first biasing arm 134 , the second biasing arm 136 and the third bias arm 138 with the outside 142 the latch 62 engaged.

As discussed above, the latch comprises 62 the first tooth 146 and the second tooth 148 , The first tooth 146 and the second tooth 148 are spaced apart from each other by a gap 150 to define in between. The first tooth 146 and the second tooth 148 are trained to get a tooth 52 of the outer wheel 46 in the gap 150 to catch when the latch 62 is in the engaged position to a rotation of the outer wheel 46 to prevent. In other words, they are the first tooth 146 and the second tooth 148 spaced apart from each other around the gap 150 to define in between, leaving one of the teeth 52 of the outer wheel 46 in the gap 150 between the first tooth 146 and the second tooth 148 is trapped to a rotation of the outer wheel 46 to prevent when in the latch 62 in the engaged position. The first tooth 146 and the second tooth 148 align with each other axially (see 10 ). More precisely, the first tooth is aimed 146 and the second tooth 148 together in a spaced relationship along the inside 144 out. The location of the first tooth 146 and the second tooth 148 relative to the teeth 52 of the outer wheel 46 prevents a side load, ie exerting a force on the side of the latch 62 along the first and second margins 66 . 68 ,

The handle 62 is movable to the engaged position to one of the teeth 52 of the outer wheel 46 in the gap 150 between the first tooth 146 and the second tooth 148 to arrange, which prevents rotation of the outer wheel. In addition, the latch 62 moved to the disengaged position to the first tooth 146 and the second tooth 148 from the teeth 52 to space away, causing a rotation of the outer wheel 46 allows. One of the teeth 52 of the outer wheel 46 is in the gap 150 arranged when the latch 62 is in the engaged position, which is a rotation of the outer wheel 46 prevents and thus a rotation of the crankshaft 22 prevented. Simply put, one of the teeth 52 of the outer wheel 46 between the first tooth 146 and the second tooth 148 caught, what prevents the outer wheel 46 in the clockwise and counterclockwise directions about the longitudinal axis 32 rotates. The first tooth 146 and the second tooth 148 work together to get one of the teeth 52 of the outer wheel 46 in the gap 150 to take. By one of the teeth 52 of the outer wheel 46 is caught, the arresting assembly acts 60 as an engine brake, to a rotation of the outer wheel 46 and thus the crankshaft 22 during EV operation of the hybrid / electric vehicle.

The first tooth 146 and the second tooth 148 each extend from the inside 144 from the outside 142 path. More precisely, the first tooth extends 146 from the first latch segment 72 , and the second tooth 148 extends from the second pawl segment 74 , The first tooth 146 and the second tooth 148 each have outward to the outer wheel 46 out. Therefore, the first tooth 146 and the second tooth 148 outwards to the outer wheel 46 out, so the first tooth 146 and the second tooth 148 selectively one of the teeth 52 of the outer wheel 46 in the gap 150 to catch.

During an initial movement of the latch 62 in the disengaged position, the use of two pawl segments ensures 72 . 74 for being the first tooth 146 and / or the second tooth 148 from the trapped tooth 52 of the outer wheel 46 be solved and the remaining of the first tooth 146 or the second tooth 148 is pressed out of engagement. More precisely, the side profile of the first tooth 146 and the second tooth 148 Angled to allow the pawl 62 then, if one of the first tooth 146 and the second tooth 148 in engagement with the trapped tooth 52 of the outer wheel 46 stuck, due to a rotational force that can resolve on the first tooth 146 and the second tooth 148 through the crankshaft 22 / the outer wheel 46 is exercised that wants to rotate or rotate.

As in 7 shown is the first tooth 146 a front side 152 and a back 154 include, which are opposite to each other. The front 152 of the first tooth 146 is at a second angle 156 relative to the plane 92 oriented perpendicular to the longitudinal axis 32 stands. In general, the second angle 156 from about 40.0 degrees to about 50.0 degrees. In one embodiment, the second angle is 156 about 45.0 degrees. In addition, the back is 154 of the first tooth 146 at a third angle 158 relative to the plane 92 oriented perpendicular to the longitudinal axis 32 stands. In general, the third angle 158 from about 5.0 degrees to about 15.0 degrees. More precisely, the third angle 158 from about 7.0 degrees to about 10.0 degrees. In one embodiment, the third angle is 158 about 7.5 degrees. It should be noted that the values of the second and third angles 156 . 158 Examples are and other values are possible.

In addition, as in 10 shown is the first tooth 146 a first side surface 160 and a second side surface 162 include, which are opposite to each other. The first and second side surface 160 . 162 curving, angling or skewing outwards to respective first and second side edges 66 . 68 the latch 62 down. Specifically, the first and second side surfaces curve, angle, or skew 160 . 162 outwards so that the first side surface 160 a contour in the first leg 76 into it and the second side surface 162 a contour in the second leg 78 into it. The location of the first tooth 146 and the second tooth 148 relative to the teeth 52 of the outer wheel 46 prevents a side load, ie exerting a force on the side of the first tooth 146 and the second tooth 148 generally along the first and second side surfaces 160 . 162 ,

Under continued with 7 can the second tooth 148 a front side 164 and a back 166 include, which are opposite to each other. In addition, the front side points 164 of the second tooth 148 to the back 154 of the first tooth 146 , The front 164 of the second tooth 148 is at a fourth angle 168 relative to the plane 92 oriented perpendicular to the longitudinal axis 32 stands. In general, the fourth angle 168 from about 5.0 degrees to about 15.0 degrees. More precisely, the fourth angle 168 from about 7.0 degrees to about 10.0 degrees. In one embodiment, the fourth angle is 168 about 8.5 degrees. In addition, the back is 166 of the second tooth 148 at an angle 170 (herein as a fifth angle 170 designated) relative to the plane 92 oriented perpendicular to the longitudinal axis 32 stands. Orienting the back 166 of the second tooth 148 at the fifth angle 170 leaves a rotation of the outer wheel 46 (in a predetermined direction) to cause one of the teeth 52 of the outer wheel 46 with the back 166 of the second tooth 148 engages the second tooth 148 to move to the disengaged position when a predetermined force on the back 166 of the second tooth 148 is exercised. In other words, the fifth angle leaves 170 a sliding engagement between one of the teeth 52 of the outer wheel 46 to when the engaged tooth 52 exerts a predetermined force to the second tooth 148 to move to the disengaged position. In general, the fifth angle 170 from about 40.0 degrees to about 50.0 degrees. In one embodiment, the fifth angle is 170 about 45.0 degrees. It should be noted that the values of the fourth and fifth angles 168 . 170 Examples are and other values are possible.

The length of the first tooth 146 and the length of the second tooth 148 can be different. For example, the length of the second tooth 148 longer than the length of the first tooth 146 be, to allow that second tooth 148 with one of the teeth 52 of the outer wheel 46 before the first tooth 146 engaged. Alternatively, the second latch segment may 74 in front of the first latch segment 72 move to let that second tooth 148 with one of the teeth 52 of the outer wheel 46 before the first tooth 146 engaged. The second latch segment 74 or the distal end 88 of the actor 82 may be configured to allow the second latch segment 74 in front of the first latch segment 72 emotional.

The backside 166 of the second tooth 148 has a larger angle than the back 154 of the first tooth 146 on. Because of the second tooth 148 before the first tooth 146 with the outside wheel 46 engaged, the second tooth is admitted 148 due to the angled back 166 of the second tooth 148 is ejected, which prevents the first tooth 146 , with its angled back 154 , with the outside wheel 46 engaged. Simply put, due to the angle of the back 166 of the second tooth 148 , the tooth moves 52 of the outer wheel 46 that with the back 166 is engaged, along the angled surface of the back 166 what the second tooth 148 moved to the disengaged position. The second latch segment 74 can be ejected when the crankshaft 22 the engine 14 in a reverse direction 169 (please refer 2 ) about the longitudinal axis 32 rotates, and the first ratchet segment 72 can be ejected when the crankshaft 22 the engine 14 in a forward direction 171 (please refer 2 ) about the longitudinal axis 32 rotates. The angle of the backs 154 . 166 is designed to reduce the force that is necessary to the latch 62 to move into the disengaged position and thus loops between the outer wheel 46 and the latch 62 to minimize.

The 8th and 9 facing, the first and second latch segments 72 . 74 each a first end 172 and a second end 174 include, which are spaced apart. The first tooth 146 may be from the first end 172 of the first latch segment 72 extend, and the second tooth 148 may be from the first end 172 the second ratchet segment 74 extend. The biasing mechanism 114 stands with the second end 174 of both the first and second latch segments 72 . 74 engaged. More exactly stands the first biasing arm 134 with the second end 174 of the first thigh 76 of the first latch segment 72 engaged, the second biasing arm 136 stands with the second end 174 of the second leg 78 of the first latch segment 72 engaged, and the third biasing arm 138 stands with the second end 174 the second ratchet segment 74 engaged. As in 9 shown is the spring 118 from the latch 62 except at the second end 174 of the first and second latch segments 72 . 74 spaced. In other words, the spring 118 can only with the latch 62 at the second end 174 of the first and second latch segments 72 . 74 engage, so that the spring 118 the desired spring force is applied to the pawl 62 to turn constantly in the disengaged position. In general, the length of the second latch segment 74 between the first and second ends 172 . 174 shorter than the length of the first ratchet segment 72 between the first and second ends 172 . 174 , as in 10 is shown. More precisely, the length of the second ratchet segment 74 from the axis of rotation 64 to the first end 172 the second ratchet segment 74 shorter than the length of the first ratchet segment 72 from the axis of rotation 64 to the first end 172 of the first latch segment 72 , By having the different lengths, the first tooth can 146 and the second tooth 148 be arranged to the gap 150 to provide in between.

As used herein, the term essentially refers to quantities, values or dimensions that are within manufacturing variability or tolerance ranges that are exact, or that are subject to human error during installation. Essentially, for example, same dimensions may ideally be planned the same, but normal manufacturing tolerances may cause the resulting dimensions for different pieces to vary by 10-20 percent.

Although the best modes for carrying out the disclosure have been described in detail, those familiar with the art to which this disclosure relates will recognize various alternative constructions and embodiments for practicing the disclosure within the scope of the appended claims. Moreover, the embodiments shown in the drawings or the characteristics of the various embodiments mentioned in the present description are not necessarily to be understood as independent embodiments. Rather, it is possible that any of the properties described in one of the examples of an embodiment may be combined with one or a plurality of other desired properties of other embodiments, resulting in other embodiments that are not described in words or by reference to the drawings , Accordingly, such further embodiments are within the scope of the appended claims.

Claims (10)

An outer wheel detent assembly operatively connected to a crankshaft, the assembly comprising: a pawl rotatable about an axis of rotation between an engaged position and a disengaged position, the pawl being configured to engage the outer wheel when in the engaged position to prevent movement of the outer wheel; an actuator selectively actuated to move the pawl to the engaged position; a biasing mechanism that engages the pawl to constantly bias the pawl toward the disengaged position; and wherein the pawl comprises a first tooth and a second tooth spaced from each other to define a gap therebetween, wherein the first tooth and the second tooth are configured to catch a tooth of the outer wheel in the gap when the pawl engages in the engaged position to prevent rotation of the outer wheel. The assembly of claim 1, wherein the pawl comprises a first pawl segment and a second pawl segment each rotatable about the axis of rotation, wherein the first pawl segment comprises a first leg and a second leg spaced from each other, the second pawl segment being interposed between the first and second leg is arranged. The assembly of claim 2, wherein the first and second latch segments each include a first end and a second end spaced from each other, the first tooth extending from the first end of the first latch segment and the second tooth extending from the first end of the second latch Latch segment, and wherein the first tooth and the second tooth align with each other in a spaced relationship. An assembly according to claim 2, wherein: the biasing mechanism comprises a member and a spring, the spring being engaged with the pawl and the member to constantly bias the pawl to the disengaged position and into continuous engagement with the actuator; and the spring defines a plurality of spaced apart slots to engage the spring in a first biasing arm engaging the first leg of the first latching segment, a second biasing arm engaging the second leg of the first latching segment, and a third biasing arm that is engaged with the second pawl segment to branch. An assembly according to claim 1, wherein: the actuator includes an extension having a distal end that engages the pawl, the extension and the distal end being rotatable about a first axis; and the distal end includes a roller engaged with the pawl and rotatable along the pawl as the extension rotates about the first axis. The assembly of claim 1, wherein the actuator includes an extension having a distal end that engages the pawl, the extension and the distal end being movable along a first axis. Vehicle comprising: an outer wheel selectively rotatable about a longitudinal axis and including a plurality of teeth spaced from each other radially about the longitudinal axis; a detent assembly comprising a pawl rotatable about an axis of rotation between an engaged position in which it engages the outer wheel to prevent rotation of the outer wheel and a disengaged position in which it is spaced from the outer wheel to allow rotation of the outer wheel; and wherein the pawl comprises a first tooth and a second tooth spaced from each other to define a gap therebetween so that one of the teeth of the outer wheel is trapped in the gap between the first tooth and the second tooth to cause rotation of the outer wheel to prevent when the pawl is in the engaged position. Vehicle according to claim 7, wherein: each of the teeth of the outer wheel points outward away from the longitudinal axis, the first tooth and the second tooth are outwardly facing the outer wheel, respectively, so that the first tooth and the second tooth selectively catch one of the teeth of the outer wheel in the gap; the outer wheel includes a first side and a second side spaced from each other to represent a first width of the outer wheel, the teeth of the outer wheel being disposed between the first and second sides; and the pawl includes a first side edge and a second side edge that are spaced apart to provide a second width substantially equal to or less than the first width. Vehicle according to claim 7, wherein the second tooth comprises a front and a back, which are opposite to each other, wherein the back of the second tooth is oriented at an angle relative to a plane which is perpendicular to the longitudinal axis, so that a rotation of the outer wheel causes one of the teeth of the outer wheel to engage with the back of the second tooth to move the second tooth to the disengaged position when a predetermined force is applied to the back of the second tooth. Vehicle according to claim 7: further comprising an engine housing the crankshaft; further comprising a first clutch operatively connected to the crankshaft and disposed downstream of the engine; wherein the outer wheel and the locking assembly are located downstream of the first clutch; further comprising an input member of a transmission operatively connected to the crankshaft; and further comprising a damper operatively connected to the input member and disposed downstream of the detent assembly.

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