Internal combustion engine starter

FIELD: engines and pumps.

SUBSTANCE: invention can be used in internal combustion engine starters. Internal combustion engine (9) starter (1) includes outlet (3) that is connected to crank shaft (7) of the internal combustion engine when this starter interacts with the internal combustion engine, the first auxiliary actuator (11) that is connected to the outlet through assembly (13) and in which there is the first branch (15) of transmission, which is located between the first auxiliary actuator (11) and assembly (13), and the second branch (17) of transmission, which is located between assembly (13) and outlet (3). There is the second auxiliary actuator (19) that is connected to outlet (3) through assembly (13) and in which there is the third branch (21) located between the second auxiliary actuator (19) and assembly (13). Starter (1) is provided with the first coupling clutch (23), which is located in the first branch (15) of transmission and the second coupling (25) that is located in the third branch (21) and can attach two auxiliary actuators to each other.

EFFECT: possible unloading of an actuator electric motor.

13 cl, 6 dwg

 

Area of technology

This invention relates to a device for starting an internal combustion engine, which includes:

- the output of which is connected with a crankshaft of the internal combustion engine, when the device communicates with the internal combustion engine,

- first auxiliary actuator, which is connected to the output via the node, wherein the first branch transmission is located between the first auxiliary drive unit and the node, and the second branch transmission is located between the node and the output,

- the second auxiliary drive, which is connected to the output via the node, wherein the third arm is located between the second auxiliary drive unit and the node, and

the first coupling clutch, which is arranged in the first branch of the transmission.

The level of technology

A device of this type is known from document FR 2729435 A. In this known device, the auxiliary drive unit is formed by a flywheel, and the first clutch is made in the form of a friction clutch. The second auxiliary actuator is formed by an electric motor, which is possible to start the internal combustion engine to enter into engagement with the sliding gear wheel located on the crankshaft of the internal combustion engine. The flywheel in this case can assist the motor during startup of the internal combustion engine, p�this may obviate the use of a lighter motor.

A brief summary of the invention

The purpose of this invention is to provide a device of this type, which was defined in the first paragraph, in which it would be possible to further relieve the motor. To this end, the device proposed in the present invention, is characterized in that the device also includes a second coupling clutch, which is located in the third branch and can connect with each other two additional drive. Therefore, two additional actuator can be derived from the gear separately, with the result that the motor out of gear at a time when the flywheel continues to give power. This creates the opportunity to start the internal combustion engine only by means of the flywheel, and thus, the motor must increase the number of turns only at the flywheel or maintain its desired speed of rotation, and he will not have to experience momentary big load in order to start the internal combustion engine.

Preferably, the first auxiliary transmission is the motor, and the second auxiliary transmission is the flywheel. Moreover, it is preferable that the first clutch was made in the form of overrunning clutch bearing or centrifugal release �ufty, and the second clutch is in the form of a friction clutch.

One embodiment of the device according to the present invention, is characterized in that the device includes a third coupling clutch, which is made in the form of additional bearing overrunning clutch or additional centrifugal release clutch and which is the second branch. As a result, it becomes possible to obtain additional functions.

Instead of connecting this device with a gear wheel located on the crankshaft, it may also be preferable to directly connect the device with a crankshaft. To this end, another embodiment of the device according to the present invention, is characterized in that the device furthermore comprises a gear train, which is the second branch between the third node and a coupling sleeve, with the first part of the third coupling coupling is connected to one of the gear wheels of the gear, and the other part of the coupling forms the output.

Preferably, the outlet was formed by a toothed wheel, and the device included a translationally moving the connecting link, which is placed between the sliding sleeve, which is fixedly mounted a gear wheel and a shaft on which can slide a sliding sleeve, and which can enter in spaceplanet gear with an additional gear wheel, which is located on the crankshaft. It is preferable that between the sliding sleeve and the toothed wheel there was a third clutch.

Another embodiment of the device according to the present invention, is characterized in that the device includes one additional translationally moving the connecting link, which is located in the third branch between the node and the second coupling clutch for progressively moving the connecting link is formed by toothed wheels extra gear. Consequently, a compact manner and with the use of a small number of parts becomes possible to create as a necessary translationally moving the connecting link, and the necessary of changing the speed of the gear train between the flywheel and output.

In order to maintain the required speed of rotation of the flywheel device can furthermore be provided with a motor which is connected to the flywheel.

In order to realize even more easy configuration of the motor, another embodiment of a device downshifts in the first branch.

The present invention also relates to a method for increasing the number of revolutions or maintaining the speed of rotation of the flywheel, which forms part of the device according�SSS the present invention. In this way the invention is characterized in that the flywheel is modulated or maintains its setpoint by means of an auxiliary motor, if you unlock additional coupling clutch between the flywheel and output.

The present invention also relates to a method of increasing the number of revolutions of the flywheel, which forms part of the device proposed in the invention. In this way the invention is characterized in that the number of revolutions of the flywheel is increased by the additional circuit of the clutch between the flywheel and the output, or by shifting more of the clutch.

Finally, the present invention relates to a method of increasing the number of revolutions of the internal combustion engine, which is connected to the device proposed in this invention. In this way, the present invention is characterized in that the internal combustion engine it is possible to increase the number of revolutions by means of the additional circuit of the clutch, located between the flywheel and output or by performing additional shift of the clutch.

Brief description of the drawings

This description will be described in more detail based on the exemplary embodiments of the device proposed in the invention shown in the drawings, the reference made�s to the accompanying drawings, in which:

Fig.1 shows a first preferred embodiment of the device according to the present invention;

Fig.2 shows a second preferred embodiment of the device according to the present invention;

Fig.3 shows a third preferred embodiment of the device according to the present invention;

Fig.4 shows a first variant of the third preferred embodiment;

Fig.5 shows a second variant of the third preferred embodiment; and

Fig.6 shows a third variant of the third preferred embodiment.

Detailed description of the drawings

Fig.1 shows a first embodiment of the device for starting an internal combustion engine, is proposed in this invention. The device 1 has an outlet 3 which is formed a toothed wheel which can be connected with a gear wheel 5 on the crankshaft 7 of the engine 9 of the internal combustion engine.

The device includes a first auxiliary actuator 11, which is made in the form of an electric motor and which is connected to the output through the node 13. The first branch 15 of the transmission is located between the motor and a node, and the second branch 17 of the transmission is located between the node and the output.

The device also includes a second auxiliary actuator 19, which is made in the form of a flywheel, soy�Intego with access through the node 13. The third branch 21 of the transfer in this case is located between the flywheel and the node.

In the first branch 15 is the first clutch 23, which is made in the form of overrunning clutch, and the third branch is the second clutch 25, which is made in the form of a friction clutch.

The device also includes an auxiliary motor 27. coupled with the flywheel so that it maintained the set speed of rotation of the flywheel or, if necessary, increased the number of revolutions of the flywheel.

Fig.2 shows a second embodiment of the device for starting an internal combustion engine, according to the present invention. The device 31 has an output 33 which can be connected with a crankshaft 35 of the engine 37 internal combustion engine.

This device includes a first auxiliary actuator 39, which is made in the form of an electric motor and which is connected to the output via the node 41. The first branch 43 of transmission is in this case between the motor and a node, and the second branch 45 of the actuator is located between the node 41 and the outlet 33.

The device also includes a second auxiliary actuator 47, which is made in the form of a flywheel, which can be connected with the output through the node 41. The third branch 49 is located between the flywheel and the node.

The first branch 43 includes a first coupling coupler 59, made in the form of bearing �bronnoy couplings, and the third arm 49 includes a second coupling coupler 53, made in the form of a friction clutch. The second branch 45 includes a third coupling clutch 51, which is also performed as a bearing freewheel. Gear 55 is located between the overrunning clutch bearing and hub 41. The first part of the bearing overrunning clutch connected to one of the gear wheels gear 57, and the other part forms a bearing exit 33.

Between the first coupling clutch 59 and the first auxiliary drive unit 39 may be reduction gearing 61. In addition, the device includes an auxiliary motor 63 connected to the flywheel in order to maintain the desired speed of rotation of the flywheel or, if necessary, to increase it.

Fig.3 shows a third embodiment of a device for starting an internal combustion engine, according to the present invention. The device 71 has an output which is formed a toothed wheel 73, which you can enter into engagement with the toothed wheel 75, located on the crankshaft 77 79 internal engine combustion. The gear 73 is mounted on the sliding sleeve 97, which can slide on the shaft. Sliding sleeve and the shaft are splined teeth, with the result that they cannot rotate relative to each other and form a translationally moving the connecting W�eno.

The device includes a first auxiliary drive 81, made in the form of an electric motor connected to the output via the node 83. The first branch 85 of the transfer in this case is located between the motor and the hub, and the other branch 87 of the transmission is located between the node and the output.

The device also includes a second auxiliary actuator 89, which is made in the form of a flywheel and is connected to the output via the node 83. The third branch 91 in this case is located between the flywheel and the node.

The first clutch 93, made in the form of overrunning clutch bearing, is located in the first branch 85, and the second clutch 95, made in the form of friction clutch, is located in the third branch 91. The third clutch 99, made in the form of overrunning clutch bearing, is the second branch 87 and disposed between the sliding sleeve 97 and the gear wheel 73.

Fig.4 shows a first variant of the device shown in Fig.3. All parts similar to the parts of the device shown in Fig.3 denoted by the same numbers. In this device 101 translationally moving the first connector 103 is located between the first auxiliary drive unit 81 (the motor) and a gear wheel 73, and translationally moving the second connector 105 is disposed between the second auxiliary actuator 89 (flywheel) and subcuticular 73. Both translationally moving the connecting element is licowanej connecting links.

Fig.5 shows a second variant of the device shown in Fig.3. All parts similar to the parts of the device shown in Fig.4 denoted by the same numbers. In this device 107 translationally moving the second connector 105 is made in the form of a gear transmission.

Fig.6 shows a third variant of the device shown in Fig.3. All parts similar to the parts of the device shown in Fig.4 denoted by the same numbers. In this device 109 of the first clutch 93 (bearing overrunning clutch) is located between the first translational moving the connecting element 103 and a gear wheel 73. In addition, in this arrangement, the motor 111 is connected to the second auxiliary actuator 89 (flywheel), and between the motor and the hub 83 has a downshift.

Although the present invention has been described above with reference to the drawings, it should be noted that the present invention is in no way limited to the embodiments of shown in the drawings. The present invention also relates to all variants perform different variants of execution shown in the drawings but which are within the essence and scope of the invention as defined by paragraphs �atenth claims.

1. Device(1; 31; 71; 101; 107; 109) to start the engine (9; 37; 79) of the internal combustion engine, including:
output (3; 33), which is connected with a crankshaft (7; 35; 77) of the internal combustion engine, when the device communicates with the internal combustion engine;
- first auxiliary actuator (11; 39; 81), which is connected to the output through the node (13; 41; 83) and which has a first branch (15; 43; 85) transmission located between the first auxiliary drive unit and the node, and the second branch (17; 45; 87) transmission between the node and the output,
- the second auxiliary actuator (19; 47; 89), which is connected to the output through the node and which has a third branch (21; 49; 91) located between the second auxiliary drive unit and the node, and
the first hitch coupling (23; 59; 93), which is located in the first branch transfer,
characterized in that the device also includes a second clutch (25; 53; 95), which is located in the third branch (21; 49; 91), and can connect with each other two auxiliary actuator(11; 19; 39; 47; 81; 89).

2. Device(1; 31; 71; 101; 107; 109) according to claim 1, characterized in that the first auxiliary actuator (11; 39; 81) is formed by an electric motor, and the second auxiliary actuator (19; 47; 89) is formed by a flywheel.

3. Device(1; 31; 71; 101; 107; 109) according to claim 2, characterized in that the first clutch (23; 59; 93) is designed as a roller overrunning clutch or �entrepinoy couplings, and the second clutch (25; 53; 95) made in the form of a friction clutch.

4. Device (37; 71) according to claim 3, characterized in that the device includes a third coupling coupling (51; 99), which is made in the form of a roller overrunning clutch or another centrifugal clutch and which is the second branch.

5. The device (31) according to claim 4, characterized in that the device furthermore comprises a gear (55), which is located in the second branch (45) between the node (41) and the third coupling coupling (51), the first third part of the clutch connected to one of the gear wheels of the gear (55) and the other part of the clutch forms the output.

6. The device (31; 109) according to claim 5, characterized in that the device furthermore contains reduction gearing (61; 113), which is located in the first branch (43; 85).

7. Device (71; 101; 107; 109) according to claim 4, characterized in that the output is formed by a toothed wheel (73) and that the device comprises translationally moving the connecting element (103), which is located between the sliding sleeve (97), on which are fixedly mounted a gear wheel and a shaft on which can slide a sliding sleeve, and wherein the translationally moving the connecting link may introduce this gear wheel in engagement with a further toothed wheel located on the crankshaft.

8. Device (71) by A7, characterized in that between the sliding sleeve (97) and toothed wheel (73) is a third clutch (99).

9. The device (101; 107; 109) according to claim 7 or 8, characterized in that the device also includes additional translationally moving the connecting element (55), which is located in the third branch (45) between the node (41) and the second coupling coupling (51) for translationally moving the connecting element (55) is formed by the gear wheels extra gear.

10. The device (1; 31; 107; 109) according to claim 2, characterized in that the device also comprises a motor (27; 63; 111), which is connected to the flywheel.

11. The device according to claim 10, characterized in that to increase the speed or maintaining a given speed of rotation of the flywheel is carried out by means of the auxiliary motor (27; 63; 111), if the optional second coupler (25; 53; 95), located between the flywheel and the output is open.

12. The device according to claim 2, characterized in that the rotational speed of the flywheel is increased by the second circuit of the clutch (25; 53; 95), located between the flywheel and the output, or control her shift.

13. The device according to claim 2, characterized in that the number of revolutions of the internal combustion engine is increased by the additional circuit of the clutch (25; 53; 95), located between the flywheel and �the application program, or control her shift.



 

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Free-running clutch // 2274781

FIELD: mechanical engineering.

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