Machinery - Carmel, Indiana, United States
Business -Ron Porter LLC designs, develops and manufactures two shaft direct drive microturbines for the air and gas compression, combined heat and power, distributed electrical generation, marine and ultralight aircraft markets. The company is located in the Indianapolis, Indiana area. The company was formed in 2013 to address the growing microturbine market with value engineered designs based on traditional technology. In addition, due to the principal's background in rotating machinery in aerospace, industrial, oil and gas industries, a design suitable to directly drive compressors, pumps and other equipment was envisioned. The design created addresses this need. The two-shaft, direct-drive microturbine described here is available from 30 to 150 hp (22.4 to 112 kW) with plans to grow the unit to 300 hp (224 kW) as the need arises. Several microturbine sizes are available in the given horsepower range so that the units can be substituted for existing reciprocating engines.The unit uses a two-stage output drive arrangement that allows output speeds from 1200 to 10,000 rpm. The first stage speed reducer has a fixed ratio while the second stage speed reducer is a quick-change unit. If a centrifugal compressor is driven, it is driven directly by the power turbine output shaft at high rpm since this arrangement does not require a gearbox. Two performance-cycle arrangements are available. The first arrangement uses a low compressor pressure ratio and a recuperator. The second arrangement is a simple cycle with a higher compressor pressure ratio without recuperator to achieve good thermal efficiency without the added expense of the recuperator. Both of these cycles can operate on liquid or gaseous fuels depending on the composition of the fuel.
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