Electrical current measuring and circuit breaking device
First Claim
1. A electrical current measuring and circuit breaking system attached between a vehicle battery and a vehicle power cable for measuring a current flowing from the battery, said electrical current measuring and circuit breaking system comprising:
- a) clamp means for connecting with a terminal of the battery;
b) an electrical terminal for connection to the power cable;
c) means for sensing current flowing from the battery connected to said clamp means; and
d) means connected to said current sensing means for comparing said sensed current to a reference value and determining when said sensed current is one of equal to and less than said reference value, and further comprising;
e) means for generating said reference voltage connected to said means for comparing, said means for generating said reference voltage including a manual adjustment device for manually adjusting the reference voltage.
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Abstract
A electrical current measuring and circuit breaking system attached between a vehicle battery and a vehicle power cable for measuring a current flowing from the battery. The electrical current measuring and circuit breaking system includes a clamp for connecting with a terminal of the battery and an electrical terminal for connection to the power cable. A device for sensing current flowing from the battery is connected to the clamp. The sensed current is transmitted to a comparator for comparing the sensed current to a reference value and determining when the sensed current is one of equal to and less than the reference value. The electrical current measuring and circuit breaking system may also include a device for alerting the operator when the battery power has reached a predetermined level. In this instance a signal will be transmitted to an alarm device available to the operator to alert the driver that the battery current is at a low level.
40 Citations
14 Claims
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1. A electrical current measuring and circuit breaking system attached between a vehicle battery and a vehicle power cable for measuring a current flowing from the battery, said electrical current measuring and circuit breaking system comprising:
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a) clamp means for connecting with a terminal of the battery; b) an electrical terminal for connection to the power cable; c) means for sensing current flowing from the battery connected to said clamp means; and d) means connected to said current sensing means for comparing said sensed current to a reference value and determining when said sensed current is one of equal to and less than said reference value, and further comprising; e) means for generating said reference voltage connected to said means for comparing, said means for generating said reference voltage including a manual adjustment device for manually adjusting the reference voltage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification