Mohyi Hapipi
Mohammad Dzulkifi B. Mohyi Hapipi, Singapore SG
Patent application number | Description | Published |
---|---|---|
20100313405 | ELECTRICAL DISCHARGE ASSEMBLY AND METHOD FOR REPAIRING DIFFUSION COOLING PASSAGES - An electrical discharge assembly for processing a workpiece having a cooling passage with first and second portions includes a first electrode having a first shape for machining the first portion of the cooling passage and a second electrode having a second shape for machining the second portion of the cooling passage. In a method for repairing cooling passages in a workpiece, a first electrode having a first shape is positioned in a cooling passage. The first electrode is electrically powered to machine a first portion of the cooling passage. A second electrode having a second shape is positioned in the cooling passage. The second electrode is electrically powered to machine a second portion of the cooling passage. | 12-16-2010 |
Mohammad Dzulkifli B Mohyi Hapipi, Singapore SG
Patent application number | Description | Published |
---|---|---|
20090286102 | INDUCED CAPILLARY ACTION BRAZING USING METALLIC FOAM MATRIX - A method of repairing a metal component includes affixing a metallic foam matrix to a portion of the component to be repaired, applying a braze alloy over the metallic foam matrix, and heating the component in a substantially oxygen-free atmosphere. Affixing the metallic foam matrix facilitates inducing a capillary action of the braze alloy. | 11-19-2009 |
Mohammad Dzulkifli B. Mohyi Hapipi, Jurong West SG
Patent application number | Description | Published |
---|---|---|
20090314748 | ULTRASONIC ASSISTED ELECTRODISCHARGE MACHINING - An apparatus for machining holes into a conductive workpiece includes a tank at least partially filled with a dielectric fluid, a fixture for holding the workpiece in the tank, an electro discharge machine, and an ultrasonic source. The electro discharge machine includes an electrode and a power supply connected to the electrode that produces machining pulses for electro discharge machining through the workpiece. The ultrasonic source includes an ultrasonic generator and a transducer, wherein the transducer is partially submerged in the fluid contained within the tank. | 12-24-2009 |