Hierarchical restructuring generic test templates and reusable value spaces for machine failure isolation using qualitative physics

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The United Technologies Corporation patent solves the following problem:

This is often the case that the symptoms of a failing machine shows a number of alternative explanations. Usually it is very effective and more cost time consuming to observe the machine in more detail in order to rule on some of the alternative explanations for the repair and / or replace the all possible candidates. The process of iteratively observing the machine and ruling on potential causes of machine failure is called "failure alone".

Our analysis of this patent is as follows:

United Technologies Corporation’s patent US 5604841 A deals with Hierarchical restructuring generic test templates and reusable value spaces for machine failure isolation using qualitative physics.
The presence of particular faults in a machine determined to use preventive suspension and qualitative Physics by promoting the principles indicates the received signal machine with a subset of model variables that without limits or only partially. The implicants each value assigned to a variable subset of variables to be determined and other variables can be restricted according to the union implicants. Principles for the full grounded and partially only variables may be propagated to further prevent any other variable. The principle of variable may be qualitative, quantitative, or both. A qualitative Physics model of a machine can be built by providing a user with a graphical user interface allows the selection and interconnection of machine components for the model so that the user can define a landmark domain and use the landmark domain to define the qualitative value space variables in the model.

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Flow directed catheter with hydrophilic distal end

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The Medtronic, Inc. patent solves the following problem:

Dagan commanded catheter designed so that the flow of blood through an artery directs the catheter tip along the arterial flow path and the target site. A variety of flow directed catheter uses an enlarged balloon or cup-shaped end to make a partial obstruction causes the blood flow to pull the tip of the catheter in the direction of the flow of blood. See, for example, in US Pat. Nos. 3,995,623 to Blake et al. and 4,024,873 Antoshkiw et al.

Our analysis of this patent is as follows:

Medtronic, Inc.’s patent US 5601538 A deals with Flow directed catheter with hydrophilic distal end.
A flow directed catheter (2) includes a hollow catheter body (4) with a distal section (16) made of a hydrophilic material. The hydrophilic distal section, typically a hydrogel, there is a normal activity in the water for about 80% water by mass when hydrated. The hydrophilic distal section is soft and supple but substantially inelastic and tough enough to permit the use of a guide wire to help direct the catheter through the difficult areas (27) and also allow a wide range these therapeutic agents delivered to the target site (32, 34, 36). Both the inside and outside surfaces of the catheter body becomes lubricious by face or change the use of a secondary, lubricious coating.

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Load analysis system for fault detection

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The The Texas A & M University System patent solves the following problem:

The present invention relates generally to a load analysis system for use in an electrical utility power system, and especially a load analysis system for their high impedance, low the current errors from the other normal events and activities in the power system. High impedance faults can be caused by, for example, downed, broken, entangled or dangling power lines, trees contacting power lines, and the various overcurrent fault situations.

Our analysis of this patent is as follows:

The Texas A & M University System’s patent US 5600526 A deals with Load analysis system for fault detection.
To avoid unnecessary power outages, and the removal of feeder lines from service only when some dangerous fault conditions occur, a load analysis system including a device and method , monitor the load of a feeder line and determine the presence of any arcing feeder line. In a two-stage load pattern analysis, the presence of arcing and load current level changes used to discriminate high impedance, under current conditions including a downed conductor, a broken and hanging conductor, or a tree that contact with the feeder line, overcurrent events, and normal transfer of events such as recloser operations. The load analysis system also gives the command output including the wait, alarm, trip preparation, travel and normal, depending on the status diagnosed.

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Externalized sealed catheter with leakproof access

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The Hauser; Jean-Luc patent solves the following problem:

This creation of catheter implanted in the body of a patient to perform infusion, and more particularly to an externalized catheter sealed leakproof access.

Our analysis of this patent is as follows:

Hauser; Jean-Luc’s patent US 5599317 A deals with Externalized sealed catheter with leakproof access.
A sealable outer access catheter including a portion implanted in the patient's body, a fixation or strong arm came through the skin, and a portion located outside the patient and gave his free at the end of a self-sealing septum made of a material that is repeatably and sealably pierceable by an infusion instrument. septum may include two fins forming a flat base enabling it to be easily attached to the patient's skin. catheter provided with a sealing plug which in any danger of infection is avoided.

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