Automated fuel quality detection and dispenser control system and method, particularly for aviation fueling applications
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65B-031/00
B67D-007/28
B64F-001/28
B67D-007/32
B67D-007/34
B67D-007/76
출원번호
US-0245476
(2014-04-04)
등록번호
US-9216892
(2015-12-22)
발명자
/ 주소
Kastner, Christopher K.
Jensen, Kevin G.
Wetmore, Phillip A.
출원인 / 주소
FUEL GUARD SYSTEMS CORPORATION
대리인 / 주소
Withrow & Terranova, PLLC
인용정보
피인용 횟수 :
0인용 특허 :
37
초록▼
A fuel quality monitoring system and method to automatically and/or continuously monitor quality of fuel dispensed and control the operation of the fuel dispenser. The control system monitors fuel quality to prevent unsafe refuelings when the fuel quality is unacceptable. In one embodiment, a combin
A fuel quality monitoring system and method to automatically and/or continuously monitor quality of fuel dispensed and control the operation of the fuel dispenser. The control system monitors fuel quality to prevent unsafe refuelings when the fuel quality is unacceptable. In one embodiment, a combination of a differential pressure sensor and a fuel quality monitoring device. If fuel quality is at an acceptable level although not ideal, the control system can allow fueling with the generation of reports and alarms. If the fuel quality is unacceptable, fuel flow can be stopped. If the differential pressure across the filter indicates a high degree of debris and/or water retention, the control system can automatically lower the flow rate to reduce the risk of filter breakdown without completely preventing fueling until the filter can be replaced.
대표청구항▼
1. A fuel dispensing apparatus for delivering fuel from a fuel source, comprising: a flow conduit defining a fluid flow path from a fuel source to an outlet where fuel is dispensed;a fuel filter located along said fluid flow path;an electrically-controlled valve located along said fluid flow path;at
1. A fuel dispensing apparatus for delivering fuel from a fuel source, comprising: a flow conduit defining a fluid flow path from a fuel source to an outlet where fuel is dispensed;a fuel filter located along said fluid flow path;an electrically-controlled valve located along said fluid flow path;at least one fuel quality sensor device configured to detect at least one fuel quality characteristic in real time as said fuel passes through said flow conduit;at least one differential pressure sensor configured to detect at least one fuel pressure drop across said fuel filter in real time; andan electronic control system in communication with each of said at least one fuel quality sensor device and differential pressure sensor and configured to receive fuel quality sensor information corresponding to said at least one detected fuel quality characteristic, and fuel pressure drop across said fuel filter in real time,wherein said electronic control system is further configured to automatically direct said valve from a high flow position corresponding to a first flow rate of said fuel to a low flow position corresponding to a second flow rate of said fuel lower than said first flow rate, thereby maintaining said flow of said fuel through said flow conduit to be delivered to said fuel source at a reduced flow rate, in response to receiving fuel quality sensor information indicating that: said at least one fuel pressure drop across said fuel filter exceeds a first pressure threshold; andsaid at least one fuel quality characteristic does not exceed a first fuel quality threshold. 2. A fuel dispensing apparatus as set forth in claim 1, wherein the at least one fuel quality sensor device comprises at least one water detector and the at least one fuel quality characteristic comprises at least one water fuel quality characteristic. 3. A fuel dispensing apparatus as set forth in claim 1, wherein the at least one fuel quality sensor device comprises at least one particulate monitor and the at least one fuel quality characteristic comprises at least one particulate fuel quality characteristic. 4. A fuel dispensing apparatus as set forth in claim 1, wherein said electronic control system is further configured to direct said valve to a stop flow position if said at least one fuel pressure drop across said fuel filter exceeds a second pressure threshold greater than said first pressure threshold. 5. A fuel dispensing apparatus as set forth in claim 4, wherein said electronic control system is further configured to provide an alarm if said at least one fuel pressure drop exceeds said second pressure threshold, and said at least one fuel quality characteristic does not exceed said first fuel quality threshold. 6. A fuel dispensing apparatus as set forth in claim 1, wherein said electronic control system is further configured to provide a check filter indication if said at least one fuel pressure drop exceeds said first pressure threshold. 7. A fuel dispensing apparatus as set forth in claim 1, wherein at least one water detector and at least one particulate monitor is located downstream of said fuel filter. 8. A fuel dispensing apparatus as set forth in claim 1, wherein said electronic control system is further configured to automatically direct said valve to vary said flow of said fuel through said flow conduit based on a plurality of fuel quality characteristics detected at different times by a common fuel quality sensor device. 9. A fuel dispensing apparatus as set forth in claim 8, wherein said electronic control system is further configured to average said plurality of fuel quality characteristics to determine an average fuel quality characteristic and automatically directs said valve to vary said flow of said fuel through said flow conduit based on said average fuel quality characteristic. 10. A fuel dispensing apparatus as set forth in claim 1, wherein said electronic control system is further configured to change at least one threshold for at least one of said at least one fuel quality characteristic and said at least one fuel pressure drop across said fuel filter based on said fuel quality sensor information and said at least one fuel pressure drop across said fuel filter. 11. A fuel dispensing apparatus as set forth in claim 1, further comprising a fluid meter located along said fluid flow path to measure quantity of fuel being dispensed. 12. A fuel dispensing apparatus as set forth in claim 1, wherein said fuel source comprises an on-board fuel tank. 13. A fuel dispensing apparatus as set forth in claim 1, wherein said electronic control system is further configured to report to a remote computer. 14. A refueling vehicle for delivering fuel to a fuel tank comprising: an on-board fuel tank; andan on-board fuel dispensing apparatus including: (i) a flow conduit defining a fluid flow path from said fuel tank to an outlet where fuel is dispensed;(ii) a pump for moving fuel through said flow conduit;(iii) an electrically-controlled valve located along said fluid flow path;(iv) a fluid meter located along said fluid flow path to measure a quantity of fuel being dispensed;(v) at least one fuel quality sensor device configured to detect at least one water fuel quality characteristic in real time as said fuel passes through said flow conduit;(vi) at least one differential pressure sensor configured to detect at least one fuel pressure drop across a fuel filter in real time; and(vii) an electronic control system in communication with said at least one fuel quality sensor device, and differential pressure sensor and configured to receive fuel quality sensor information corresponding to said at least one detected fuel quality characteristic, and fuel pressure drop across said fuel filter in real time,wherein said electronic control system is further configured to automatically direct said valve from a high flow position corresponding to a first flow rate of said fuel to a low flow position corresponding to a second flow rate of said fuel lower than said first flow rate, thereby maintaining said flow of said fuel through said flow conduit to be delivered to said fuel source at a reduced flow rate, in response to receiving fuel quality sensor information indicating that: said at least one fuel pressure drop across said fuel filter exceeds a first pressure threshold; andsaid at least one fuel quality characteristic does not exceed a first fuel quality threshold. 15. A refueling vehicle as set forth in claim 14, wherein said electronic control system is further configured to direct said valve to one of said high flow position corresponding to said first flow rate of said fuel, said low flow position corresponding to said second flow rate of said fuel lower than said first flow rate, or a stop flow position corresponding to a flow rate of zero, based on said fuel quality sensor information. 16. A refueling vehicle as set forth in claim 14, wherein said electronic control system is further configured to direct said valve to a stop flow position if said at least one fuel pressure drop measured by said at least one differential pressure sensor across said fuel filter exceeds a second pressure threshold. 17. A method of controlling dispensing of fuel from a fuel source based on contemporaneous quality monitoring, said method comprising: (a) providing a flow conduit between a fuel source and a dispensing outlet, said flow conduit having a replaceable fuel filter and an electrically-controlled flow valve located therealong;(b) detecting at least one fuel quality characteristic and at least one pressure drop across said fuel filter in real time as fuel passes through said flow conduit and producing fuel quality sensor information indicative thereof in real time;(c) providing said fuel quality sensor information in real time to an electronic control system adapted to evaluate said fuel quality sensor information; and(d) utilizing said electronic control system in real time to automatically direct operation of said flow valve to deliver said fuel to said fuel source at a variable flow rate based on an evaluation of said fuel quality sensor information such that the flow rate is reduced from a first flow rate of said fuel to a second flow rate of said fuel lower than said first flow rate, thereby maintaining said flow of said fuel through said flow conduit to be delivered to said fuel source at a reduced flow rate, in response to receiving fuel quality sensor information indicating that: said at least one fuel pressure drop across said fuel filter exceeds a first pressure threshold; andsaid at least one fuel quality characteristic does not exceed a first fuel quality threshold.
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이 특허에 인용된 특허 (37)
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