System and method of measuring weight of passengers and luggage, and weight distribution of aircraft
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B64C-017/00
G01G-019/03
G01G-019/02
출원번호
US-0178596
(2005-07-12)
등록번호
US-7281418
(2007-10-16)
발명자
/ 주소
Mardirossian,Aris
출원인 / 주소
Technology Patents, LLC
대리인 / 주소
Nixon & Vanderhye P.C.
인용정보
피인용 횟수 :
3인용 특허 :
7
초록▼
In certain example embodiments there is provided a method and/or system for operating an aircraft, including (a) before an aircraft is loaded with passengers and luggage, performing a first measuring to measure a load on front landing gear strut(s) and rear landing gear strut(s) in order to obtain f
In certain example embodiments there is provided a method and/or system for operating an aircraft, including (a) before an aircraft is loaded with passengers and luggage, performing a first measuring to measure a load on front landing gear strut(s) and rear landing gear strut(s) in order to obtain first weight data; and (b) after the aircraft has been loaded with passengers and luggage, performing a second measuring to measure a load on front landing gear strut(s) and rear landing gear strut(s) in order to obtain second weight data. Then, the first weight data is subtracted from the second weight data, while optionally compensating for fuel added to the aircraft between the times of the first and second measuring steps, in order to determine a total weight of the passengers and luggage on the aircraft. This total weight can be used in determining whether or not the plane is overloaded.
대표청구항▼
The invention claimed is: 1. A method of operating an aircraft, the method comprising: before an aircraft is loaded with passengers and luggage, performing a first measuring to measure a load on front landing gear strut(s) and rear landing gear strut(s) in order to obtain first weight data; after t
The invention claimed is: 1. A method of operating an aircraft, the method comprising: before an aircraft is loaded with passengers and luggage, performing a first measuring to measure a load on front landing gear strut(s) and rear landing gear strut(s) in order to obtain first weight data; after the aircraft has been loaded with passengers and luggage, performing a second measuring to measure a load on front landing gear strut(s) and rear landing gear strut(s) in order to obtain second weight data; subtracting the first weight data from the second weight data, and optionally compensating for fuel added to the aircraft between the times of the first and second measuring steps, in order to determine a total weight of the passengers and luggage on the aircraft; determining whether the aircraft is supported by inclined or tilted ground such as a runway, and when it is determined that the aircraft is supported by inclined or tilted ground then adjusting the total weight determined based on the incline or tilt of the ground; comparing the total weight of the passengers and luggage on the aircraft with a predetermined threshold, and if the total weight of the passengers and luggage exceeds the predetermined threshold then actuating an alarm; and wherein a floating laser is provided in the plane for determining whether the aircraft is supported by inclined or tilted ground, and wherein a plurality of targets or target areas are provided and tilt or incline of the ground supporting the aircraft is determined based on which of the targets or target areas is hit with a laser beam from the floating laser. 2. The method of claim 1, wherein when fuel has been added to the aircraft between the times of the first and second measuring steps, then summing the weight of the fuel added and the first weight data to obtain a sum value, and subtracting the sum value from the second weight data in order to determine the total weight of the passengers and luggage on the aircraft. 3. The method of claim 1, further comprising comparing a total load on the front strut(s) with a total load on the rear struts from the second measuring step, and if a difference between the two values is outside of a particular range then actuating an alarm in the cockpit to signal a weight distribution problem. 4. An aircraft comprising: means for, before the aircraft is loaded with passengers and luggage, performing a first measuring to measure a load on front landing gear strut(s) and rear landing gear strut(s) in order to obtain first weight data; means for, after the aircraft has been loaded with passengers and luggage, performing a second measuring to measure a load on front landing gear strut(s) and rear landing gear strut(s) in order to obtain second weight data; means for subtracting the first weight data from the second weight data, and optionally compensating for fuel added to the aircraft between the times of the first and second measuring steps, in order to determine a total weight of the passengers and luggage on the aircraft; means for comparing the total weight of the passengers and luggage on the aircraft with a predetermined threshold, and if the total weight of the passengers and luggage exceeds the predetermined threshold then actuating an alarm; and means for determining whether the aircraft is supported by inclined or tilted ground such as a runway, and when it is determined that the aircraft is supported by inclined or tilted ground then adjusting the total weight determined based on the incline or tilt of the ground. 5. The aircraft of claim 4, further comprising means for, when fuel has been added to the aircraft between the times of the first and second measuring steps, summing the weight of the fuel added and the first weight data to obtain a sum value and subtracting the sum value from the second weight data in order to determine the total weight of the passengers and luggage on the aircraft. 6. The aircraft of claim 4, further comprising means for comparing a total load on the front strut(s) with a total load on the rear struts from the second measuring step, and if a difference between the two values is outside of a particular range then actuating an alarm in the cockpit to signal a weight distribution problem. 7. The aircraft of claim 4, wherein the means comprises a floating laser provided in an enclosed compartment or container. 8. A method of operating an aircraft, the method comprising: before the aircraft is loaded with passengers and luggage, performing a first measuring to measure a load on front landing gear strut(s) and rear landing gear strut(s) in order to obtain first weight data; after the aircraft has been loaded with passengers and luggage, performing a second measuring to measure a load on front landing gear strut(s) and rear landing gear strut(s) in order to obtain second weight data; subtracting the first weight data from the second weight data, and optionally compensating for fuel added to the aircraft between the times of the first and second measuring steps, in order to determine a total weight of the passengers and luggage on the aircraft; comparing the total weight of the passengers and luggage on the aircraft with a predetermined threshold, and if the total weight of the passengers and luggage exceeds the predetermined threshold then actuating an alarm; and determining whether the aircraft is supported by inclined or tilted ground such as a runway, and when it is determined that the aircraft is supported by inclined or tilted ground then adjusting the total weight determined based on the incline or tilt of the ground.
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이 특허에 인용된 특허 (7)
Nance C. Kirk, Aircraft weight and center of gravity indicator.
McHale Charles J. (Pointe Claire CAX) Marrone Joseph (Dollard-des-Ormeaux CAX) Watson David (Vaudreuil CAX), Method and apparatus for determining weight and center of gravity of a vehicle.
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