UQM Technologies Receives Additional Order From Eaton for Compressor Motors Used In Fuel Cell
13 February 2007
UQM Technologies has received a follow-on order from Eaton Corporation, a Tier 1 supplier to automobile manufacturers worldwide, for additional UQM compressor drive motors for use as part of Eaton’s fuel cell air management product line.
Because auxiliary systems, such as the air handling system inside the fuel cell, consume a portion of the electricity produced by the fuel cell, improvements in the efficiency of auxiliary systems enhances the energy efficiency of the fuel cell and the automobiles that are powered by them. The lightweight and compact UQM motor operates at 24,000 revolutions per minute and is highly efficient.
Eaton’s fuel cell product line consists of two product families; the M24 line, which is an offshoot of its Roots-type supercharger technology; and the centrifugal compressor product line based on proprietary two stage and single stage non-surging technologies.
The M24 product has a dual seal configuration specifically engineered for fuel cells to provide a low cost and durable solution for the atmospheric stack market and the mid-range stack market. The centrifugal compressor product uses two back-to-back impellers driven by a common shaft with an external stage-to-stage transfer tube to improve efficiency over a wide operating range and is designed to meet the needs of higher pressure stacks up to a pressure ratio of 2.8. The centrifugal compressor product has the highest system efficiency of any product available on the market.
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