System for and method of fuel optimization in a hybrid vehicle
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60L-011/18
B60L-001/00
B60L-001/14
B60W-020/00
B60W-010/06
G01C-021/34
B60W-020/12
B60W-050/00
B60W-010/26
H01M-010/44
H01M-010/48
H01M-016/00
B60W-020/11
B60W-010/08
출원번호
US-0067419
(2016-03-11)
등록번호
US-10071647
(2018-09-11)
발명자
/ 주소
Dalum, Joseph Thomas
출원인 / 주소
Power Technology Holdings LLC
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
0인용 특허 :
164
초록▼
One embodiment relates to a system for idle reduction in a hybrid vehicle. The system includes a control system for causing the vehicle to operate in a charge depletion mode, or a charge accumulation mode in response to job site data; the job site data can include an estimate of the amount of energy
One embodiment relates to a system for idle reduction in a hybrid vehicle. The system includes a control system for causing the vehicle to operate in a charge depletion mode, or a charge accumulation mode in response to job site data; the job site data can include an estimate of the amount of energy required at the job site.
대표청구항▼
1. A system for idle reduction in a vehicle, the system comprising: a control system configured to operate the vehicle to operate in a charge depletion mode in response to job site data, the job site data including an estimate of an amount of energy expected to be required at a job site,wherein the
1. A system for idle reduction in a vehicle, the system comprising: a control system configured to operate the vehicle to operate in a charge depletion mode in response to job site data, the job site data including an estimate of an amount of energy expected to be required at a job site,wherein the control system is configured to receive the job site data including the estimate before the vehicle reaches the job site and stores the estimate in an electronic memory, the job site being a location where the vehicle is stationary and uses equipment, the equipment being powered by the vehicle at the job site,wherein the charge depletion mode is entered during travel to the job site in response to the estimate being less than an amount of energy stored in a rechargeable energy source. 2. The system of claim 1, wherein the control system is configured to decrease a depletion rate during travel in order to conserve more energy for use at the job site based upon an indication of estimated energy use at the job site. 3. The system of claim 1, wherein the control system is configured to increase a depletion rate during travel in order to supply more energy for use during driving based upon an indication of estimated energy use at the job site, or an indication that the vehicle is returning to a location where the vehicle will be charged. 4. The system of claim 1, wherein energy supplied during travel is used by at least one of a second prime mover, an air conditioner, fans, lights, or radio. 5. The system of claim 1, wherein additional power is provided during travel for emergency vehicles traveling to an accident, or defense vehicles during combat operations. 6. The system of claim 1, wherein the control system is configured to receive the estimate from a value stored within the control system, the value comprising a fraction of a total battery capacity. 7. The system of claim 6, wherein the value stored within the control system is determined from energy use based upon historical data collected during previous trips, averages based upon previous events, other vehicles, the need for a quieter job site, or time of day. 8. The system of claim 1, wherein after the amount of energy stored in the rechargeable energy source reaches the estimate, the vehicle is configured to perform at least one of the following operations: enter into a charge sustain mode, stop charging the rechargeable energy source, or stop discharging the rechargeable energy source. 9. The system of claim 1, wherein the amount of energy expected to be required at the job site is estimated using at least one of user input or telematics. 10. The system of claim 9, wherein the user input comprises depressing a “Go home button” notifying the system that the vehicle is returning to the location of a grid based charging apparatus, or spoken command indicating the vehicle will be going home. 11. The system of claim 1, wherein the charge depletion mode of the rechargeable energy source supplies power through at least one of the following: a DC to DC converter provided to charge a DC system, an inverter provided for an AC motor, or an inverter for power exportation. 12. The system of claim 11, wherein the inverter for power exportation supplies power to at least one of the following: the equipment, controllers for motors, or a charger. 13. The system of claim 11, wherein the power is supplied from the rechargeable energy source or from a vehicle chassis energy source, the vehicle chassis energy source comprising a battery, the battery being replenished from the rechargeable energy source using a DC to DC converter. 14. The system of claim 1, wherein the estimate is calculated for multiple stops at different job sites. 15. The system of claim 1, wherein the control system charges the rechargeable energy source when the the amount of energy stored in the rechargeable energy source decreases to a predetermined amount. 16. The system of claim 1, wherein the rechargeable energy source depletes to a minimum level before the vehicle is plugged-in. 17. The system of claim 1, wherein the estimate is based on whether a battery system becomes depleted during job site operations at a predetermined energy level. 18. The system of claim 1, wherein the control system is configured to charge the rechargeable energy source with a prime mover. 19. The system of claim 18, wherein the control system is configured to charge the rechargeable energy source with a grid, and stop charging the rechargeable energy source with the grid when the amount of energy stored in the rechargeable energy source reaches to a threshold value. 20. The system of claim 19, wherein the control system is configured to stop charging the rechargeable energy source with the prime mover when the amount of energy stored in the rechargeable source is higher than the threshold value. 21. The system of claim 1, wherein the job site data includes at least one of types of tasks to be completed at the job site, expected duration of one or more jobs, an indication of whether a fueling station is available at the job site or power from an electric grid is available at the job site. 22. The system of claim 21, wherein the estimate includes energy flow from the vehicle to the electric grid to supplement the electric grid or power demands from buildings or the equipment. 23. The system of claim 1, wherein the control system determines whether regeneration is possible at the job site and reserves all stored energy for job site usage if regeneration is not possible at the job site, wherein the determination is based on at least one of the following factors: the need to operate quietly while the vehicle is stationary, whether the vehicle is in a city, whether the vehicle is in an enclosed space, or whether the use is at night.
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