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Blower Function Pressure Sensing Disclosure Number: IPCOM000068300D
Original Publication Date: 1979-Dec-01
Included in the Prior Art Database: 2005-Feb-20

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Ciminera, JR Goodman, HA [+details]


Blower failure can be detected using a miniature, differential type pressure switch. Earlier attempts at sensing failure of blowers using miniature pressure switches has met with problems, because the average blower delivery pressure (0.5 inch H(2)O) is less than the pressure required to trip all but the larger, more expensive pressure switches.