Claims
- 1. An activation apparatus for a differential pawl, said differential pawl being capable of rotating at least two drive wheels in a motor vehicle which can rotate independently of one another in synchronization, said activation apparatus having an actuator which can be pressurized at least in an engagement direction of said differential pawl and an activation mechanism which controls its connection in such engagement direction with a fluid pressure source, said activation mechanism opening said connection when electrically activated by a driver-controlled power circuit connected to said activation mechanism, said activation apparatus comprising:
- (a) a monitoring means positioned on such motor vehicle for monitoring slip of at least one drive wheel, and for emitting a wheel-slip signal when said at least one drive wheel slips;
- (b) an interrupt means connected to receive said wheel-slip signal which is able to interrupt, during a presence of said wheel-slip signal, said driver-controlled power circuit; and
- (c) a disabling means connected to said interrupt means for disabling said interrupt means from interrupting said driver-controlled power circuit independently of said wheel-slip signal when said differential pawl is in an engaged position.
- 2. An activation apparatus, according to claim 1, wherein said interrupt means is an electrically-controlled switching means, said switching means being capable of being activated at least when said wheel-slip signal is present, said switching means in an activated state interrupts said driver-controlled power circuit connection to said activation mechanism.
- 3. An activation apparatus, according to claim 1, wherein said disabling means includes a switching means for interrupting a control circuit of said interrupt means when said differential pawl is in said engaged position.
- 4. An activation apparatus, according to claim 3, wherein said disabling means includes a measurement sensor to control said switching means by activating said switching means when said actuator apparatus reaches an engaged position.
- 5. An activation apparatus, according to claim 4, wherein said switching means is a relay having a normally closed contact, said switching means includes a power circuit which is closed by said measurement sensor when said actuator apparatus reaches said engaged position.
- 6. An activation apparatus, according to claim 1, wherein said disabling means is a position sensor which monitors an engaged position of said actuator apparatus, said position sensor disables said interrupt means when said actuator apparatus is in said engaged position.
- 7. An activation apparatus, according to claim 1, wherein said monitoring means forms a portion of a drive slip control apparatus.
- 8. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by separate integrated electronic logic and switching elements which are combined partially electrically with a drive slip control apparatus on such motor vehicle.
- 9. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by separate integrated electronic logic and switching elements which are combined partially electrically with other electronic components on such motor vehicle.
- 10. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by separate integrated electronic logic and switching elements which are combined electrically with a drive slip control apparatus on such motor vehicle.
- 11. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by separate integrated electronic logic and switching elements which are combined electrically with other electronic components on such motor vehicle.
- 12. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by partially integrated electronic logic and switching elements which are combined partially electrically with a drive slip control apparatus on such motor vehicle.
- 13. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by partially integrated electronic logic and switching elements which are combined partially electrically with other electronic components on such motor vehicle.
- 14. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by partially integrated electronic logic and switching elements which are combined electrically with a drive slip control apparatus on such motor vehicle.
- 15. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by partially integrated electronic logic and switching elements which are combined electrically with other electronic components on such motor vehicle.
- 16. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by completely integrated electronic logic and switching elements which are combined partially electrically with a drive slip control apparatus on such motor vehicle.
- 17. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by completely integrated electronic logic and switching elements which are combined partially electrically with other electronic components on such motor vehicle.
- 18. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by completely integrated electronic logic and switching elements which are combined electrically with a drive slip control apparatus on such motor vehicle.
- 19. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by completely integrated electronic logic and switching elements which are combined electrically with other electronic components on such motor vehicle.
- 20. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by separate integrated electronic logic and switching elements which are combined partially structurally with a drive slip control apparatus on such motor vehicle.
- 21. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by separate integrated electronic logic and switching elements which are combined partially structurally with other electronic components on such motor vehicle.
- 22. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by partially integrated electronic logic and switching elements which are combined partially structurally with a drive slip control apparatus on such motor vehicle.
- 23. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by partially integrated electronic logic and switching elements which are combined partially structurally with other electronic components on such motor vehicle.
- 24. An activation apparatus, according to claim 1, wherein electrical activation of said activation mechanism and said interrupt means is accomplished by completely integrated electronic logic and switching elements which are combined structurally with a drive slip control apparatus on such motor vehicle.
- 25. An activation apparatus for a differential pawl, said differential pawl being capable of rotating at least two drive wheels in a motor vehicle which can rotate independently of one another in synchronization, said activation apparatus comprising:
- (a) an actuator which can be pressurized at least in an engagement direction of said differential pawl;
- (b) an activation mechanism which controls a connection of said actuator in said engagement direction with a source of pneumatic pressure, said activation mechanism opening said connection when electrically activated by a driver-controlled power circuit connected to said activation mechanism;
- (c) a monitoring means positioned on such motor vehicle for monitoring slip of at least one drive wheel, and for emitting a wheel-slip signal when said at least one drive wheel slips;
- (d) an interrupt means connected to receive said wheel-slip signal which is able to interrupt, during a presence of said wheel-slip signal, said driver-controlled power circuit; and
- (e) a disabling means connected to said interrupt means for disabling said interrupt means from interrupting said driver-controlled power circuit independently of said wheel-slip signal when said differential pawl is in an engaged position.
- 26. An activation apparatus for a differential pawl, said differential pawl being capable of rotating in synchronization at least two drive wheels in a motor vehicle which can rotate independently of one another, said activation apparatus having an actuator which can be pressurized at least in an engagement direction of said differential pawl and an activation mechanism which controls its connection in such engagement direction with a fluid pressure source, said activation mechanism opening said connection when electrically activated by a driver-controlled power circuit connected to said activation mechanism, said activation apparatus comprising:
- (a) a monitoring means positioned on such motor vehicle for monitoring slip of at least one drive wheel, and for emitting a wheel-slip signal when said at least one drive wheel slips;
- (b) an interrupt means positioned in said driver-controlled power circuit which is opened by said wheel-slip signal thereby interrupting said driver-controlled power circuit;
- (c) said wheel-slip signal being electrical and differing from zero;
- (d) said interrupt means being electrically actuable and closed when not actuated; and
- (e) said interrupt means being connected to receive said wheel-slip signal.
Priority Claims (1)
Number |
Date |
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35 48 894.0 |
Dec 1985 |
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Parent Case Info
This is a continuation of application Ser. No. 07/261,546 now abandoned, filed Oct. 24, 1988, which in turn is a divisional of application Ser. No. 06/940,704, filed Dec. 11, 1986, now U.S. Pat. No. 4,805,715.
US Referenced Citations (3)
Divisions (1)
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Number |
Date |
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940704 |
Dec 1986 |
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Continuations (1)
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261546 |
Oct 1988 |
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