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A ROTARY BIOMASS DRYER. IT REMOVES WATER AND MOISTURE FROM SOLID SUBSTANCES PRIMARILY BY INTRODUCING HOT GASES INTO A DRYING CHAMBER. THE HOT AIR ABSORBS MOISTURE FROM THE RAW MATERIAL.

A SAND DRYING MACHINE THAT COMPRISES A PUMP THAT TRANSPORTS WET OR DRY MATERIAL USING A MASS AIR BLOWER, A HOPPER, A CHAMBER THAT MIXES AIR AND THE MATERIAL TO BE TRANSPORTED, AN AUGER TO MOVE THE MATERIAL FROM THE HOPPER TO THE CHAMBER, TWO CYCLONES, ONE TO FEED AIR INTO THE CHAMBER AND ONE TO SEPARATE THE AIR AND THE MATERIAL AT THE EXIT POINT, PIPING TO CARRY THE MATERIAL FROM THE CHAMBER TO THE EXIT POINT. OPERATES BY A THERMAL DRYING PROCESS WHERE HYDRAULIC AIR COMPRESSION INCREASES AIR FLOW TEMPERATURE TO AROUND 40 DEGREES C.

A MAGNETICALLY BIASED HALL-EFFECT INTEGRATED CIRCUIT, THAT INCLUDES A MAGNET, BIPOLAR TRANSISTORS, CMOS DEVICES, POLYSILICON RESISTORS, CAPACITORS AND SPECIALLY-DESIGNED EPITAXIAL SILICON CONFIGURED AS A HALL ELEMENT WITHIN THE SINGLE SILICON SUBSTRATE. THE INTEGRATED CIRCUIT IS ONE COMPONENT OF A FINISHED SENSOR ASSEMBLY. TYPICALLY IT IS ATTACHED TO A PRINTED CIRCUIT BOARD, WITH EITHER ELECTRICAL CONNECTORS OR WIRING HARNESS THEN ATTACHED. IT CANNOT BE DIRECTLY INCORPORATED INTO AUTOMOBILE OR OTHER APPLICATIONS, WITHOUT FURTHER PROCESSING. OTHER COMPONENTS SUCH AS RESISTORS, CAPACITORS AND MICROPROCESSORS ARE ALSO ADDED AND THEN THE WHOLE ASSEMBLY WOULD ALSO NEED TO BE OVERMOULDED; TO MAKE IT INTO A FINISHED SENSOR.

HYBRID MICROCIRCUITS CONSISTING A MAGNETICALLY BIASED HALL-EFFECT INTEGRATED CIRCUIT, DISCRETE RESISTORS AND CAPACITORS ON A PRINTED CIRCUIT BOARD ENCAPSULATED IN CASING. THE HALL EFFECT IC INCLUDES A MAGNET, BIPOLAR TRANSISTORS, CMOS DEVICES, POLYSILICON RESISTORS, CAPACITORS AND SPECIALLY-DESIGNED EPITAXIAL SILICON CONFIGURED AS A HALL ELEMENT WITHIN THE SINGLE SILICON SUBSTRATE. THE HYBRID MICROCIRCUIT IS ONE COMPONENT OF A FINISHED SENSOR ASSEMBLY. TYPICALLY IT IS ATTACHED TO A PRINTED CIRCUIT BOARD, WITH EITHER ELECTRICAL CONNECTORS OR WIRING HARNESS THEN ATTACHED. IT CANNOT BE DIRECTLY INCORPORATED INTO AUTOMOBILE OR OTHER APPLICATIONS, WITHOUT FURTHER PROCESSING.

A SINGLE CHIP HALL EFFECT INTEGRATED CIRCUIT THAT INCLUDES VARIOUS ACTIVE AND PASSIVE COMPONENTS SUCH AS BIPOLAR TRANSISTORS, CMOS DEVICES, POLYSILICON RESISTORS, CAPACITORS, AND SPECIALLY-DESIGNED EPITAXIAL SILICON CONFIGURED AS A HALL ELEMENT WITHIN THE SINGLE SILICON SUBSTRATE AND INDIVISIBLY OVER MOULDED WITH A POWER LEAD FRAME AND DISCRETE INDUCTOR USING STANDARD SEMICONDUCTOR MANUFACTURING PROCESSES.