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Ultrasonic fluid measurement probe with ultrasonically welded base cap

A fluid measurement, base technology, used in liquid/fluid solid measurement, blood flow measurement device, measurement device, etc.

Active Publication Date: 2019-06-14
THE BOEING CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ultrasound transducer attached to transducer chamber floor

Method used

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  • Ultrasonic fluid measurement probe with ultrasonically welded base cap
  • Ultrasonic fluid measurement probe with ultrasonically welded base cap
  • Ultrasonic fluid measurement probe with ultrasonically welded base cap

Examples

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Embodiment Construction

[0018] The illustrative embodiments recognize and take into account different situations. For example, the illustrative embodiments recognize and take into account that ultrasonic measurement probes in fuel tanks on aircraft may often be subject to extreme environmental conditions, which may cause them to prematurely need to be repaired or replaced. When an ultrasonic fuel probe in an aircraft fuel tank needs to be repaired or replaced, the aircraft needs to be taken out of service and maintenance personnel may need to perform fuel tank access. Access to the fuel tank by maintenance personnel to repair or replace the fuel probe requires the tank to be emptied and cleaned. In many cases, repairing or replacing an ultrasonic fuel probe in an aircraft's fuel tank can require up to two days of downtime during which time the aircraft is out of operation. Such downtime can be very expensive for airlines or other aircraft operators.

[0019] There may be a considerable number of ul...

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PUM

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Abstract

The invention discloses an apparatus and method of measuring a level of fluid in a container and of enhancing reliability of an ultrasonic fluid measurement probe. A base comprises a transducer chamber, wherein the transducer chamber comprises a transducer chamber floor, a transducer chamber edge, and transducer chamber walls extending from the transducer chamber floor to the transducer chamber edge. An ultrasonic transducer is attached to the transducer chamber floor. A cap is welded to the transducer chamber edge such that the cap, along with the transducer chamber floor and the transducer chamber walls, encloses the transducer chamber to form an enclosed air space between the ultrasonic transducer and the cap.

Description

technical field [0001] The present invention generally relates to systems and methods for ultrasonic fluid measurement. More particularly, the present invention relates to ultrasonic fluid measurement probes for measuring the level of fluid in a container, such as an ultrasonic fluid measurement probe for measuring the level of fuel in a fuel tank on an aircraft or other vehicle. Background technique [0002] Ultrasonic sensing utilizes ultrasonic transducers to transmit ultrasonic waves and receive those reflected by objects. The time delay between transmission and reception of ultrasound can be used to determine the distance of an object from the ultrasound transducer. Ultrasonic transducers can be used to determine the height or level of liquid within a container by reflecting ultrasonic signals off the surface of the fluid in the container. For example, without limitation, ultrasonic sensing may be used for fuel gauging, which may be used to measure the level of fuel i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/66G01F15/14G01F15/00
CPCA61B8/06G01F1/66G01F15/14G01F23/296G01F23/2962
Inventor S·J·华林
Owner THE BOEING CO
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