1. A method for determining the actuator energy required for different injection types of an actuator of an internal combustion engine, the method comprising the steps of:
applying a control signal to the actuator such that said control signal generates an actuator signal;
setting an injection parameter of the internal combustion engine such that said actuator signal is generated at a specific stored time, wherein a first injection type in a combustion cycle is deactivated in order to determine an actuator energy of said type from a second injection type.
2. A method according to claim 1, wherein the first injection type is reactivated in order to determine an actuator energy required for the second injection type.
3. A method according to claim 2, wherein a last injection type is an advance injection and the second injection type is a main injection.
4. A method according to claim 1, wherein the internal combustion engine is in a stationary operating state.
5. A method according to claim 1, wherein an injection pressure of the injectors is changed after each control process.
6. A method according to claim 1, wherein the main injection is changed in order to generate the actuator signal.
7. A method according to claim 1, wherein the control signal is applied to one injector at a first point in time, and the actuator signal is generated at a second point in time after a specific time.
8. A method according to claim 1, wherein, in an internal combustion engine with several injectors, the difference in two points in time of one injector is the same as the respective difference between two points in time of another injector.
9. A method according to claim 1, wherein at least one of the following variables is selected as an injection parameter: loading time of the control signal, amplitude of the control signal, control duration and actuator energy.
10. A system for determining the actuator energy required for different injection types of an actuator of an internal combustion engine, comprising:
means for applying a control signal to the actuator such that said control signal generates an actuator signal; and
means for setting an injection parameter of the internal combustion engine such that said actuator signal is generated at a specific stored time, wherein a first injection type in a combustion cycle is deactivated in order to determine an actuator energy of said type from a second injection type.
11. A system according to claim 10, wherein the first injection type is reactivated in order to determine an actuator energy required for the second injection type.
12. A system according to claim 11, wherein a last injection type is an advance injection and the second injection type is a main injection.
13. A system according to claim 10, wherein the internal combustion engine is in a stationary operating state.
14. A system according to claim 10, wherein an injection pressure of the injectors is changed after each control process.
15. A system according to claim 10, wherein the main injection is changed in order to generate the actuator signal.
16. A system according to claim 10, wherein the control signal is applied to one injector at a first point in time, and the actuator signal is generated at a second point in time after a specific time.
17. A system according to claim 10, wherein, the internal combustion engine comprises several injectors, and wherein the difference in two points in time of one injector is the same as the respective difference between two points in time of another injector.
18. A system according to claim 10, wherein at least one of the following variables is selected as an injection parameter: loading time of the control signal, amplitude of the control signal, control duration and actuator energy.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A torsion vibration damper for a drive train of a motor vehicle, in particular a drive train of a hybrid vehicle, comprising:
a spring support (10) and a force transmission flange (20) configured rotatable relative to the spring support (10), wherein at least one compression spring (30) is provided between the spring support (10) and the force transmission flange (20) for transferring a mechanical torque,
wherein a housing (12) of the spring support (10) is configured so that in a radial direction of the torsion vibration damper (1) at least one longitudinal end of the compression spring (30) is supported atin the spring support housing (12) andor a clearance (40) remains between windings of a center section of the compression spring (30) and a wall of the spring support (10).
2. A torsion vibration damper for a drive train of a motor vehicle, in particular a drive train of a hybrid vehicle, comprising:
a spring support (10) and a force transmission flange (20) configured rotatable relative to the spring support (10), wherein at least one compression spring (30) preferably configured as a bow spring is provided between the spring support (10) and the force transmission flange (20) for transferring a mechanical torque,
wherein through a flange hook (202) of the force transmission flange (20) at least one longitudinal end of the compression spring (30) is supported andor supportable in the spring support housing (12), so that at least the respective longitudinal end of the compression spring (30) is offset in a radial direction of the torsion vibration damper (1) from the wall of the spring support (10).
3. The torsion vibration damper recited in claim 1 wherein the respective longitudinal end of the compression spring (30) is partially enveloped in circumferential direction by the spring support housing (12), wherein the spring support housing (12) includes a protrusion (122), in particular an embossing (122) for enveloping the compression spring (30), wherein a respective longitudinal end of the compression spring (30) is contactable or contacted at the protrusion or embossing,
wherein the protrusion (122) or the embossing (122) is provided in a radially outer portion of the spring support housing (12) so that it extends inward into the spring support housing (12), wherein preferably a respective section of the wall of the spring support housing (12) is bent inwardly into the spring support housing (12).
4. The torsion vibration damper recited in claim 2 wherein the respective longitudinal end of the compression spring (30) is partially enveloped in circumferential direction by the spring support housing (12), wherein the spring support housing (12) includes a protrusion (122), in particular an embossing (122) for enveloping the compression spring (30), wherein a respective longitudinal end of the compression spring (30) is contactable or contacted at the protrusion or embossing,
wherein the protrusion (122) or the embossing (122) is provided in a radially outer portion of the spring support housing (12) so that it extends inwardly into the spring support housing (12), wherein preferably a respective section of the wall of the spring support housing (12) is bent inwardly into the spring support housing (12).
5. The torsion vibration damper recited in claim 1 wherein the spring support housing (12) is configured so that the clearance (40) between the windings of the center section of the compression spring (30) and the respective wall of the spring support (10) is maintained at least for low speeds of the torsion vibration damper (1).
6. The torsion vibration damper recited in claim 2 wherein the spring support housing (12) is configured so that the clearance (40) between the windings of the center section of the compression spring (30) and the respective wall of the spring support (10) is maintained at least for low speeds of the torsion vibration damper (1).
7. The torsion vibration damper recited in claim 1 wherein the compression spring (30) is a straight compression spring (30), wherein the spring support housing (12) includes a u-shaped ring channel (130) in which the straight compression spring (30) is partially received in a radial direction and in an axial direction of the torsion vibration damper (1),
wherein an actuation hook (142) is provided for a support andor an actuation of the straight compression spring (30) in the u-shaped ring channel (130) of the spring support housing (12) caused by the spring support housing (12), wherein a respective longitudinal end of the straight compression spring (30) contacts the actuation hook or is contactable at the actuation hook,
wherein the actuation hook (142) is preferably provided at a support device (14) which is in particular configured as a support ring (14) which is attached in the spring support housing (12), wherein the actuation hook (114) of the support device (14) extends into the u-shaped ring channel (130).
8. The torsion vibration damper recited in claim 2 wherein the compression spring (30) is a straight compression spring (30), wherein the spring support housing (12) includes a u-shaped ring channel (130) in which the straight compression spring (30) is partially received in a radial direction and in an axial direction of the torsion vibration damper (1),
wherein an actuation hook (142) is provided for a support andor an actuation of the straight compression spring (30) in the u-shaped ring channel (130) of the spring support housing (12) caused by the spring support housing (12), wherein a respective longitudinal end of the straight compression spring (30) contacts the actuation hook or is contactable at the actuation hook,
wherein the actuation hook (142) is preferably provided at a support device (14) which is in particular configured as a support ring (14) which is attached in the spring support housing (12), wherein the actuation hook (114) of the support device (14) extends into the u-shaped ring channel (130).
9. The torsion vibration damper recited in claim 1,
wherein the actuation hook (142) includes two actuation edges or surfaces preferably offset and parallel to one another through which the respective longitudinal end of the straight compression spring (30) is supportable andor actuatable in a radially outer and in a radially inner portion in a circumferential direction of the torsion vibration damper (1),
wherein the actuation edges or surfaces of the actuation hook (142) that are offset from one another are preferably arranged relative to one another so that they define a plane which is arranged parallel to a plane which is defined by two directly adjacent actuation edges or surfaces which are associated with a second actuation hook (142) of the spring support housing (12).
10. The torsion vibration damper recited in claim 2,
wherein the actuation hook (142) includes two actuation edges or surfaces preferably offset and parallel to one another through which the respective longitudinal end of the straight compression spring (30) is supportable andor actuatable in a radially outer and in a radially inner portion in a circumferential direction of the torsion vibration damper (1),
wherein the actuation edges or surfaces of the actuation hook (142) that are offset from one another are preferably arranged relative to one another so that they define a plane which is arranged parallel to a plane which is defined by two directly adjacent actuation edges or surfaces which are associated with a second actuation hook (142) of the spring support housing (12).
11. The torsion vibration damper recited in claim 1,
wherein a flange hook (202) of the force transmission flange (20) is actuatable by the straight compression spring (30), wherein the force transfer flange is preferably centrally arranged relative to a face of the straight compression spring (30),
wherein the respective flange hook (202) is preferably arranged essentially parallel to an actuation hook (142) for an idling torsion vibration damper (1) and an engagement edge or an engagement surface of the respective flange hook (202) that is engage able by the straight line compression spring (30) is preferably arranged in a plane with the engagement edges or surfaces of the actuation hook (142) that are offset from one another.
12. The torsion vibration damper recited in claim 2,
wherein a flange hook (202) of the force transmission flange (20) is actuatable by the straight compression spring (30), wherein the force transfer flange is preferably centrally arranged relative to a face of the straight compression spring (30),
wherein the respective flange hook (202) is preferably arranged essentially parallel to an actuation hook (142) for an idling torsion vibration damper (1) and an engagement edge or an engagement surface of the respective flange hook (202) that is engage able by the straight line compression spring (30) is preferably arranged in a plane with the engagement edges or surfaces of the actuation hook (142) that are offset from one another.
13. The torsion vibration damper recited in claim 1,
wherein the flange hook (202) of the force transmission flange (20) and a longitudinal end or a longitudinal end section of the compression spring (30) are configured in a corresponding manner, so that the flange hook (202) supports the longitudinal end of the compression spring (30) at least in a radial outward direction,
wherein the flange hook (202) engages the compression spring (30) or an end cap (36) of the compression spring through an engagement pin (22), or the flange hook (202) reaches over a protrusion at the compression spring (30) or the end cap (36) of the compression spring (30) at least on the radial outside or vice versa.
14. The torsion vibration damper recited in claim 2,
wherein the flange hook (202) of the force transmission flange (20) and a longitudinal end or a longitudinal end section of the compression spring (30) are configured in a corresponding manner, so that the flange hook (202) supports the longitudinal end of the compression spring (30) at least in a radial outward direction,
wherein the flange hook (202) engages the compression spring (30) or an end cap (36) of the compression spring through an engagement pin (22), or the flange hook (202) reaches over a protrusion at the compression spring (30) or the end cap (36) of the compression spring (30) at least on the radial outside or vice versa.
15. The torsion vibration damper recited in claim 1, wherein the respective flange hook (202) of the force transmission flange (20) in the portion of an actuation through the compression spring (30) is configured so that the respective longitudinal end of the compression spring (30) is supported in radial outward direction, wherein the flange hook (202) is preferably provided at a support device (24) configured as a support ring (24).
16. The torsion vibration damper recited in claim 2, wherein the respective flange hook (202) of the force transmission flange (20) in the portion of an actuation through the compression spring (30) is configured so that the respective longitudinal end of the compression spring (30) is supported in radial outward direction, wherein the flange hook (202) is preferably provided at a support device (24) configured as a support ring (24).
17. The torsion vibration damper recited in claim 1,
wherein the respective flange hook (202) includes at least one catch lug (204) which extends there from substantially in a circumferential or tangential direction of the force transmission flange, wherein the catch lug reaches over the respective compression spring (30) at least at its longitudinal end on an outside,
wherein reaching over the compression spring (30) through the catch lug (204) is provided in an axially offset manner with respect to a center of a cross section of the compression spring and preferably two catch lugs (204) are provided that are arranged offset relative to the center of the cross section of the compression spring (30),
wherein two catch lugs (204) of two adjacent flange hooks (202) can be connected with one another, wherein a connection portion of the two catch lugs (204) is preferably configured so that it is lifted off from the compression spring (30).
18. The torsion vibration damper recited in claim 2,
wherein the respective flange hook (202) includes at least one catch lug (204) which extends there from substantially in a circumferential or tangential direction of the force transmission flange, wherein the catch lug reaches over the respective compression spring (30) at least at its longitudinal end on an outside,
wherein reaching over the compression spring (30) through the catch lug (204) is provided in an axially offset manner with respect to a center of a cross section of the compression spring and preferably two catch lugs (204) are provided that are arranged offset relative to the center of the cross section of the compression spring (30),
wherein two catch lugs (204) of two adjacent flange hooks (202) can be connected with one another, wherein a connection portion of the two catch lugs (204) is preferably configured so that it is lifted off from the compression spring (30).
19. The torsion vibration damper recited in claim 1,
wherein the respective flange hook (202) includes a formed surface (206) or a protrusion (206) at a radially outer portion so that an actuation edge or an actuation surface of the flange hook (202) is oriented towards a center of the compression spring (30), and
wherein the engagement edge or the engagement surface of the flange hook (202) for engaging the compression spring (30) is configured so that the engagement edge or the engagement surface preferably partially follows approximately a contour of the cross section of the compression spring (30), wherein the actuation edge or surface is preferably u-shaped with a short arm.
20. The torsion vibration damper recited in claim 2,
wherein the respective flange hook (202) includes a formed surface (206) or a protrusion (206) at a radially outer portion so that an actuation edge or an actuation surface of the flange hook (202) is oriented towards a center of the compression spring (30), and
wherein the engagement edge or the engagement surface of the flange hook (202) for engaging the compression spring (30) is configured so that the engagement edge or the engagement surface preferably partially follows approximately a contour of the cross section of the compression spring (30), wherein the actuation edge or surface is preferably u-shaped with a short arm.
21. The torsion vibration damper recited in claim 1,
wherein an actuation hook (142) is provided for a support andor actuation of the compression spring (30) caused by the spring support housing (12), wherein a respective longitudinal end of the compression spring (30) contacts the actuation hook or is contactable at the actuation hook,
wherein the actuation hook (142) is preferably provided at a support device (14) that is particularly configured as a support ring (14) which is fixated atin the spring support housing (12), wherein the actuation hook (142) is provided radially offset from the flange hook (202) and preferably engages the flange hook.
22. The torsion vibration damper recited in claim 2,
wherein an actuation hook (142) is provided for a support andor actuation of the compression spring (30) caused by the spring support housing (12), wherein a respective longitudinal end of the compression spring (30) contacts the actuation hook or is contactable at the actuation hook,
wherein the actuation hook (142) is preferably provided at a support device (14) that is particularly configured as a support ring (14) which is fixated atin the spring support housing (12), wherein the actuation hook (142) is provided radially offset from the flange hook (202) and preferably engages the flange hook.
23. The torsion vibration damper recited in claim 1, wherein the actuation hook (142) of the spring support housing (12) is arranged so that the actuation hook actuates or supports the compression spring (30) axially on both sides essentially symmetrically and radially slightly outside of the center of the compression spring (30), wherein the compression spring (30) can include an outer spring (32) and an inner spring (34).
24. The torsion vibration damper recited in claim 2, wherein the actuation hook (142) of the spring support housing (12) is arranged so that the actuation hook actuates or supports the compression spring (30) axially on both sides essentially symmetrically and radially slightly outside of the center of the compression spring (30), wherein the compression spring (30) can include an outer spring (32) and an inner spring (34).
25. A damping device or torque transmission device, in particular for a drive train of a motor vehicle, in particular a drive train of a hybrid vehicle;
for example: torque converter, clutch, clutch assembly, damper, torsion vibration damper, turbine damper, pump damper, dual-mass converter, or dual-mass flywheel or a combination thereof, optionally with a centrifugal force pendulum,
wherein the damping device or torque transmission device includes a torsion vibration damper (1) that is configured according to claim 1.
26. A damping device or torque transmission device, in particular for a drive train of a motor vehicle, in particular a drive train of a hybrid vehicle;
for example: torque converter, clutch, clutch assembly, damper, torsion vibration damper, turbine damper, pump damper, dual-mass converter, or dual-mass flywheel or a combination thereof, optionally with a centrifugal force pendulum,
wherein the damping device or torque transmission device includes a torsion vibration damper (1) that is configured according to claim 2.