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A New KANBAN System?

Patent

CH694648

Owner

Informatik und Qualitäts-Software GmbH

Filing Date

December 14, 2000

Priority Date

December 14, 2000

Portfolio

Predictive Maintenance - QSW

Intro

Predictive maintenance made in Switzerland! This is an early invention of a method for minimizing the stock-keeping and optimizing the production and delivery of wear and tear parts. It uses information about the actual wear of the parts to calculate the production start date for the replacement parts. Isn't this similar to KANBAN, a system which orders new goods when it recognizes the need? 

Claims

1. Method for minimizing the stock-keeping and optimizing the production and delivery of wear parts for machines or systems, the production time (t P ...
  1. Method for minimizing the stock-keeping and optimizing the production and delivery of wear parts for machines or systems, the production time (t P ) and the delivery time (t S ) of these wear parts being known, calculable or estimable, at which the time (t 1 ) of the start of production can be determined by determining the course of wear and calculating the remaining service life of the wear parts.
  2. Method according to claim 1, characterized in that the course of wear is detected and/or calculated by periodic measurements on the wearing part.
  3. Method according to claim 1 or 2, characterized in that the time (t 1 ) of the start of manufacture is calculated such that the remaining service life of the wear part to be replaced at this time (t 1 ) is greater than or equal to the sum of the production time (t P ) and delivery time (t S )).
  4. Method according to claim 3, characterized in that the order of the wearing part is triggered before or when the time (t 1 ) of the start of production is reached.
  5. Method according to one of claims 1 to 4, characterized in that a reference value for the average wear of the wearing part is calculated per operating time unit, and that if this reference value is significantly exceeded by the calculated actual wear of the wearing part per operating time unit, an inspection of the wearing part is initiated.
  6. Device for carrying out the process according to one of claims 1 to 5, characterized in that wear A of the wearing part can be determined by sensors S 1 -S 3.
  7. Device according to claim 6, characterized in that the measured values of the sensors S 1 -S 3 and/or the wear values A can be transmitted to a monitoring point (17) by detection electronics (15).

    (Claims are translated from Swiss original.)
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Abstract

Method for minimizing the stock-keeping and optimizing the production and delivery of wear parts, as is involved in the replacement of a cylinder...
Method for minimizing the stock-keeping and optimizing the production and delivery of wear parts, as is involved in the replacement of a cylinder lining in a marine diesel engine. The cylinder (11) of a marine engine is equipped with sensors (S1-S3) which are built into the cylinder jacket (13) and engage the wall thickness (W1) of the cylinder lining (1) at different points. With engines where the lining is already installed, such sensors can be subsequently incorporated. On the basis of the sensor signals, an evaluation electronic apparatus (15) calculates the extent of wear (A) of the cylinder lining and transmits it to a central monitoring point (17). This enables the progress of wear to be established. (Source: espacenent)
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Sepp
August 06, 2018

Proof of infringement difficult

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Bastian August 06, 2018

Thank you for your input, Sepp! The claim of the patent is quite broad but it is limited to Switzerland.


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