Idling system for devices having speed controllers
First Claim
1. An idling system for use with a device that powers a load, said device having a speed control means for adjusting the speed of the device and also having a load sensing means for sensing whether a load is applied to said device and for outputting a load sensing signal when a load is so applied, said idling system comprising:
- disable means for outputting a disable signal to said speed control means to disable said speed 10 control means after a time delay period when said load sensing means senses that no load is being applied to said device, and for activating said speed control means by ceasing the outputting of said disable signal when said load sensing means senses that a load is being applied to said device; and
time delay means for delaying the outputting of said disable signal to said speed control means for said time delay period.
1 Assignment
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Accused Products
Abstract
An idling system is disclosed for devices such as internal combustion engines having a speed controlling or governor. When no load is sensed by a load sensing means, a disable means generates a disable signal to deactivate the engine'"'"'s speed controller after a predetermined time delay period. When a load is sensed, the disable means is itself disabled, allowing the device'"'"'s speed control means to operate the device at the higher governed speed.
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Citations
26 Claims
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1. An idling system for use with a device that powers a load, said device having a speed control means for adjusting the speed of the device and also having a load sensing means for sensing whether a load is applied to said device and for outputting a load sensing signal when a load is so applied, said idling system comprising:
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disable means for outputting a disable signal to said speed control means to disable said speed 10 control means after a time delay period when said load sensing means senses that no load is being applied to said device, and for activating said speed control means by ceasing the outputting of said disable signal when said load sensing means senses that a load is being applied to said device; and time delay means for delaying the outputting of said disable signal to said speed control means for said time delay period. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16)
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17. An idling system for use with a device that powers a load, said device having a speed control means for adjusting the speed of the device and also having a load sensing means for sensing whether a load is applied to the device and for outputting a load sensing signal when a load is so applied, said idling system comprising:
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disable means for outputting a disable signal to said speed control means to disable said speed control means after a time delay period when said load sensing means senses that no load is being applied to said device, and for ceasing the outputting of said disable signal to activate said speed control means when said load sensing means senses that a load is being applied to said device, said disable means including a multiple-input gate that receives as its inputs a signal functionally related to said load sensing signal and also receives a divided frequency signal after a time delay period, and which outputs said disable signal; and time delay means for outputting said divided frequency signal after said time delay period to said multiple-input gate. - View Dependent Claims (18, 19)
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20. An idling system for use with a device that powers a load, said device having a speed control means for adjusting the speed of the device and also having a load sensing means for sensing whether a load is applied to said device and for outputting a load sensing signal when a load is so applied, said idling system comprising:
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disable means for outputting a disable signal to said speed control means to disable said speed control means after a time delay period when said load sensing means senses that no load is being applied to said device; time delay means for delaying the outputting of said disable signal to said speed control means for a time delay period; and activation means for activating said speed control means when said load sensing means senses that a load is being applied to said device. - View Dependent Claims (10, 21, 22, 23, 24, 25, 26)
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Specification